mirror of
https://github.com/mulgadc/spinifex.git
synced 2026-10-15 17:11:30 +00:00
Julian Sommer
1298 lines
57 KiB
Bash
Executable File
1298 lines
57 KiB
Bash
Executable File
#!/bin/bash
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# OVN Compute Node Setup for Spinifex VPC Networking
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#
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# This script bootstraps a compute node for OVN-based VPC networking:
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# 1. Installs OVN/OVS packages (if not present)
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# 2. Enables required services (openvswitch-switch, ovn-controller)
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# 3. Creates br-int with secure fail-mode
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# 4. Configures WAN bridge for public subnet uplink (auto-detected or manual)
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# 5. Configures OVS external_ids for OVN chassis identity
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# 6. Applies sysctl tuning for overlay networking
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#
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# Usage:
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# ./scripts/setup-ovn.sh [options]
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#
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# Options:
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# --management Also start OVN central services (NB DB, SB DB, ovn-northd)
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# --wan-bridge=NAME OVS bridge for WAN traffic (default: auto-detect from default route)
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# --wan-iface=NAME Physical NIC to add to the WAN bridge (use with --wan-bridge)
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# --dhcp Obtain gateway IP via DHCP on the WAN bridge interface
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# --nat-uplink Routed NAT mode: no WAN NIC is bridged. Creates br-ext
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# with a transit veth (spx-nat-host 100.127.0.1/24) and
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# host masquerade rules; VMs get outbound-only WAN over
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# any uplink (ethernet, WiFi, cellular, PPP). Pair with
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# `spx admin init --external-mode=nat`.
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# --mgmt-bridge=NAME OVS bridge for system-instance control plane (default: br-mgmt)
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# --mgmt-cidr=CIDR IPv4 CIDR to assign on the mgmt bridge (default: 10.15.8.1/24)
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# --mgmt-iface=NAME Physical/virtual NIC to enslave to the mgmt bridge (multi-node only)
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# --no-mgmt-bridge Skip mgmt bridge provisioning (for dev-networking hosts)
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# --ovn-remote=ADDR OVN SB DB address; accepts a comma-separated list of
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# SB endpoints for compute nodes pointing at a RAFT
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# cluster (default: tcp:127.0.0.1:6642)
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# --encap-ip=IP Geneve tunnel endpoint IP (default: auto-detect)
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# --db-cluster-local-addr=IP This DB node's own IP for OVSDB RAFT clustering.
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# Enables clustered NB(6643)/SB(6644) DBs (requires
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# --management). Empty --db-cluster-remote-addr ⇒ create
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# the cluster; set ⇒ join it.
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# --db-cluster-remote-addr=IP An existing cluster DB node's IP to join. Omit
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# on the first (init) DB node that forms the cluster.
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# --recreate-db Destroy and recreate the NB/SB DBs so they can be
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# created in clustered format. Required when converting
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# a node that has already run a standalone ovn-central
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# (which is every node — the ovn-central package starts
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# one on install). DISCARDS ALL LOGICAL NETWORK STATE:
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# safe on a fresh node, destroys every VPC on a live one.
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#
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# Cluster Sizing — which DB topology to run:
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#
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# Nodes DB topology Tolerates
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# 1-2 standalone ovn-central on node 1 nothing
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# 3 RAFT across all 3 1 node
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# 4+ RAFT across 3, remainder compute-only 1 node
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#
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# Three nodes is the minimum recommended multi-server deployment.
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#
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# NEVER run RAFT with 2 members. Quorum is a majority, so 2-of-2 tolerates
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# zero failures — and it is strictly worse than standalone, because either
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# node failing loses quorum rather than only node 1. Two-node deployments
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# run standalone and accept the single point of failure.
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#
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# Do not scale DB members past 3. RAFT write latency is bounded by the
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# slowest member of the majority, and a 4th member buys no extra fault
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# tolerance. Nodes beyond the third are compute-only, pointing at all three
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# SB endpoints via the comma-separated --ovn-remote form.
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#
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# Losing ovn-central does not stop the data plane: ovn-controller has already
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# programmed flows into br-int, so running instances keep networking. Only
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# control-plane change stops — new VPCs, instance launches, port bindings.
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#
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# WAN Bridge Auto-Detection:
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# When no --wan-bridge is given, the script checks the default route interface:
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# - If it's an OVS bridge → use it directly for bridge-mappings
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# - If it's a Linux bridge → create OVS br-ext + veth pair to link them
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# (non-destructive, Linux bridge keeps IP/routes, no interruption)
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# - If it's a physical NIC → stop and print guidance (cannot safely move NIC)
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#
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# Examples:
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# # WAN is already on a bridge (tofu-cluster, production):
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# ./scripts/setup-ovn.sh --management
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#
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# # Dedicated WAN NIC (not your SSH NIC — you take responsibility):
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# ./scripts/setup-ovn.sh --management --wan-bridge=br-wan --wan-iface=eth1
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#
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# # Compute node joining an existing cluster:
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# ./scripts/setup-ovn.sh --ovn-remote=tcp:10.0.0.1:6642 --encap-ip=10.0.0.2
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#
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# # DB node 1 — create an OVSDB RAFT cluster (init):
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# ./scripts/setup-ovn.sh --management --db-cluster-local-addr=10.0.0.1
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#
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# # DB nodes 2,3 — join the cluster:
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# ./scripts/setup-ovn.sh --management --db-cluster-local-addr=10.0.0.2 \
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# --db-cluster-remote-addr=10.0.0.1
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#
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# # Compute node pointing at all 3 clustered SB endpoints:
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# ./scripts/setup-ovn.sh --ovn-remote=tcp:10.0.0.1:6642,tcp:10.0.0.2:6642,tcp:10.0.0.3:6642
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#
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# # No WAN bridge (overlay-only, no public subnet):
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# ./scripts/setup-ovn.sh --management --encap-ip=10.0.0.1
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#
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# # Non-bridgeable uplink (WiFi/cellular) — routed NAT, outbound-only VMs:
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# ./scripts/setup-ovn.sh --management --nat-uplink
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set -e
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# Defaults
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MANAGEMENT=false
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WAN_BRIDGE=""
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WAN_IFACE=""
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EXTERNAL_DHCP=false
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NAT_UPLINK=false
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MGMT_BRIDGE_ENABLED=true
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MGMT_BRIDGE="br-mgmt"
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MGMT_CIDR="10.15.8.1/24"
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MGMT_IFACE=""
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OVN_REMOTE="tcp:127.0.0.1:6642"
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ENCAP_IP=""
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# OVSDB RAFT clustering. Empty by default ⇒ single, non-clustered ovn-central
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# (dev box, existing single-node clusters). When LOCAL_ADDR is set, the NB/SB
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# DBs run clustered; REMOTE_ADDR empty ⇒ create the cluster, set ⇒ join it.
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DB_CLUSTER_LOCAL_ADDR=""
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DB_CLUSTER_REMOTE_ADDR=""
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# Recreating the NB/SB DBs discards all logical network state, so it is opt-in.
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RECREATE_DB=false
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OVN_DBDIR="${OVN_DBDIR:-/var/lib/ovn}"
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# NODE_NAME is left empty by default. The chassis-id pin block at Step 4
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# only runs when --node-name=NAME is explicitly given. Passing nothing
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# preserves whatever system-id already lives in OVS (gold-image UUID,
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# bootstrap-install.sh's pre-written nodeN, manual ansible value, etc.).
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# Bootstrap callers that want IPsec-cert-identity matching pin the
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# system-id themselves before / after invoking setup-ovn.sh — they
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# don't need this script to do it for them.
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NODE_NAME=""
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# Parse arguments
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for arg in "$@"; do
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case "$arg" in
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--management) MANAGEMENT=true ;;
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--dhcp) EXTERNAL_DHCP=true ;;
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--nat-uplink) NAT_UPLINK=true ;;
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--wan-bridge=*) WAN_BRIDGE="${arg#*=}" ;;
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--wan-iface=*) WAN_IFACE="${arg#*=}" ;;
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--mgmt-bridge=*) MGMT_BRIDGE="${arg#*=}" ;;
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--mgmt-cidr=*) MGMT_CIDR="${arg#*=}" ;;
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--mgmt-iface=*) MGMT_IFACE="${arg#*=}" ;;
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--no-mgmt-bridge) MGMT_BRIDGE_ENABLED=false ;;
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--ovn-remote=*) OVN_REMOTE="${arg#*=}" ;;
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--encap-ip=*) ENCAP_IP="${arg#*=}" ;;
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--db-cluster-local-addr=*) DB_CLUSTER_LOCAL_ADDR="${arg#*=}" ;;
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--db-cluster-remote-addr=*) DB_CLUSTER_REMOTE_ADDR="${arg#*=}" ;;
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--recreate-db) RECREATE_DB=true ;;
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--node-name=*) NODE_NAME="${arg#*=}" ;;
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--help|-h)
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sed -n '3,/^set -e/{/^set -e/!p}' "$0"
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exit 0
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;;
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*)
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echo "Unknown option: $arg"
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exit 1
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;;
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esac
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done
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# OVSDB RAFT clustering runs the NB/SB DBs, so it only applies to management
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# (DB) nodes. A remote addr without a local addr is meaningless (nothing to
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# join with). Fail loudly rather than silently starting a single-node DB.
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if [ -n "$DB_CLUSTER_LOCAL_ADDR" ] && [ "$MANAGEMENT" != true ]; then
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echo "ERROR: --db-cluster-local-addr requires --management (clustered DBs run on management nodes)"
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exit 1
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fi
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if [ -n "$DB_CLUSTER_REMOTE_ADDR" ] && [ -z "$DB_CLUSTER_LOCAL_ADDR" ]; then
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echo "ERROR: --db-cluster-remote-addr requires --db-cluster-local-addr"
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exit 1
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fi
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if [ "$RECREATE_DB" = true ] && [ -z "$DB_CLUSTER_LOCAL_ADDR" ]; then
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echo "ERROR: --recreate-db requires --db-cluster-local-addr (it exists to allow"
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echo " clustered DB creation over an existing standalone DB)"
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exit 1
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fi
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# --- WAN bridge auto-detection ---
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# Determine the WAN bridge name and how to set it up.
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WAN_BRIDGE_MODE="" # "existing", "veth", "direct", or ""
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LINUX_BRIDGE="" # Set when WAN_BRIDGE_MODE="veth" — the Linux bridge behind the veth pair
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detect_wan_bridge() {
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# If --wan-bridge was explicitly given, use it
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if [ -n "$WAN_BRIDGE" ]; then
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if [ -n "$WAN_IFACE" ]; then
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WAN_BRIDGE_MODE="direct"
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elif sudo ovs-vsctl br-exists "$WAN_BRIDGE" 2>/dev/null; then
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WAN_BRIDGE_MODE="existing"
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else
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# Bridge doesn't exist yet and no --wan-iface — create empty OVS bridge
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WAN_BRIDGE_MODE="existing"
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fi
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return
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fi
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# Auto-detect: find the default route interface
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local default_dev
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default_dev=$(ip -4 route show default 2>/dev/null | awk '{for(i=1;i<=NF;i++) if($i=="dev") print $(i+1)}' | head -1)
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if [ -z "$default_dev" ]; then
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echo " No default route found — no WAN bridge configured"
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echo " (VMs will not have external connectivity)"
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return
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fi
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# Check if the default route device is a bridge (Linux or OVS)
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local is_bridge=false
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if ip -d link show "$default_dev" 2>/dev/null | grep -q "bridge"; then
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is_bridge=true
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fi
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if sudo ovs-vsctl br-exists "$default_dev" 2>/dev/null; then
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is_bridge=true
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fi
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if [ "$is_bridge" = true ]; then
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if sudo ovs-vsctl br-exists "$default_dev" 2>/dev/null; then
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# Already an OVS bridge — use it directly for bridge-mappings
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WAN_BRIDGE="$default_dev"
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WAN_BRIDGE_MODE="existing"
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echo " Auto-detected WAN bridge: $WAN_BRIDGE (OVS bridge, default route)"
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else
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# Linux bridge — link to OVS via veth pair (non-destructive)
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LINUX_BRIDGE="$default_dev"
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WAN_BRIDGE="br-ext"
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WAN_BRIDGE_MODE="veth"
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echo " Auto-detected Linux bridge: $LINUX_BRIDGE (default route)"
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echo " Will create OVS bridge br-ext + veth pair to link them"
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fi
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return
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fi
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# Default route is a physical NIC — cannot safely move it to OVS
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# because it might be carrying SSH.
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local wan_ip
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wan_ip=$(ip -4 -o addr show "$default_dev" 2>/dev/null | awk '{print $4}' | cut -d/ -f1 | head -1)
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echo ""
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echo "============================================================"
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echo " WAN interface '$default_dev' ($wan_ip) is a physical NIC."
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echo " Cannot auto-create a bridge — this may drop your connection."
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echo ""
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echo " Options:"
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echo ""
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echo " 1. Create a WAN bridge first (e.g. via netplan), then re-run:"
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echo " ./scripts/setup-ovn.sh --management"
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echo ""
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echo " 2. Dedicated WAN NIC (NOT your SSH connection):"
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echo " ./scripts/setup-ovn.sh --management --wan-bridge=br-wan --wan-iface=$default_dev"
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echo ""
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echo " 3. No external networking (overlay-only):"
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echo " ./scripts/setup-ovn.sh --management --encap-ip=$wan_ip"
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echo ""
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echo " 4. Non-bridgeable uplink (WiFi/cellular/PPP) — routed NAT mode"
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echo " (VMs get outbound-only internet, no public IPs):"
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echo " ./scripts/setup-ovn.sh --management --nat-uplink"
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echo " then: spx admin init --external-mode=nat"
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echo "============================================================"
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echo ""
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exit 1
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}
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if [ "$NAT_UPLINK" = true ]; then
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# Routed NAT: nothing is bridged, so the uplink type is irrelevant.
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if [ -n "$WAN_BRIDGE" ] || [ -n "$WAN_IFACE" ]; then
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echo "ERROR: --nat-uplink does not take --wan-bridge/--wan-iface (no WAN NIC is bridged)"
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exit 1
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fi
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WAN_BRIDGE="br-ext"
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WAN_BRIDGE_MODE="nat"
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echo " Routed NAT uplink: br-ext + transit veth, host masquerade (no WAN bridge)"
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else
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detect_wan_bridge
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fi
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# Auto-detect encap IP if not specified
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if [ -z "$ENCAP_IP" ]; then
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# Prefer br-vpc IP if it exists (dedicated VPC data plane)
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if ip -4 addr show br-vpc >/dev/null 2>&1; then
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ENCAP_IP=$(ip -4 -o addr show br-vpc 2>/dev/null | awk '{print $4}' | cut -d/ -f1 | head -1)
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if [ -n "$ENCAP_IP" ]; then
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echo "Auto-detected encap IP from br-vpc: $ENCAP_IP"
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fi
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fi
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# Fall back to default route source IP
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if [ -z "$ENCAP_IP" ]; then
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ENCAP_IP=$(ip -4 route get 8.8.8.8 2>/dev/null | awk '/src/{print $7}' | head -1)
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if [ -z "$ENCAP_IP" ]; then
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ENCAP_IP="127.0.0.1"
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fi
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echo "Auto-detected encap IP: $ENCAP_IP"
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fi
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fi
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echo "=== Spinifex OVN Compute Node Setup ==="
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echo " Management node: $MANAGEMENT"
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if [ -n "$DB_CLUSTER_LOCAL_ADDR" ]; then
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if [ -n "$DB_CLUSTER_REMOTE_ADDR" ]; then
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echo " DB RAFT role: join (local=$DB_CLUSTER_LOCAL_ADDR remote=$DB_CLUSTER_REMOTE_ADDR)"
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else
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echo " DB RAFT role: create (local=$DB_CLUSTER_LOCAL_ADDR)"
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fi
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fi
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if [ -n "$WAN_BRIDGE" ]; then
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echo " WAN bridge: $WAN_BRIDGE ($WAN_BRIDGE_MODE)"
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if [ -n "$LINUX_BRIDGE" ]; then
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echo " Linux bridge: $LINUX_BRIDGE (linked via veth pair)"
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fi
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if [ -n "$WAN_IFACE" ]; then
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echo " WAN interface: $WAN_IFACE"
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fi
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else
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echo " WAN bridge: none (overlay-only)"
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fi
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echo " OVN Remote (SB): $OVN_REMOTE"
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echo " Encap IP: $ENCAP_IP"
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echo ""
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# Packages (openvswitch-switch, ovn-host, openvswitch-ipsec, strongswan-charon,
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# and ovn-central on management nodes) are baked into the gold image via
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# scripts/tofu-cluster/image-builder/scripts/provision.sh. Runtime apt-get
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# was removed to keep CI off the (flaky) apt-cacher-ng path. If a package is
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# missing, the downstream ovs/ovn commands will fail loudly — the fix is to
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# rebuild the gold image, not to re-add apt-get here.
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# strongswan-charon ships an AppArmor profile for /usr/lib/ipsec/charon that
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# only allows reading from /etc/ipsec.*, /etc/strongswan.*, and a few other
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# fixed paths. ovs-monitor-ipsec writes the per-tunnel strongSwan config with
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# absolute paths to our peer cert + key under /etc/spinifex/ipsec/ AND to the
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# cluster CA at /etc/spinifex/ca.pem, so charon hits "Permission denied" on
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# both load paths and surfaces as `no trusted RSA public key found for
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# '<peer>'` (CA can't be loaded → can't validate peer cert chain → no SAs).
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# The profile includes a 'local' override file expressly for site additions
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# — grant reads on /etc/spinifex/** (covers ca.pem AND ipsec/peer.{pem,key})
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# and reload.
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if [ -d /etc/apparmor.d/local ]; then
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LOCAL_OVERRIDE=/etc/apparmor.d/local/usr.lib.ipsec.charon
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# Always rewrite — re-runs may have an older, narrower rule (e.g. the
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# initial /etc/spinifex/ipsec/** only) that misses /etc/spinifex/ca.pem.
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echo " Adding AppArmor read grant for /etc/spinifex (cert + CA) to charon profile"
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echo "/etc/spinifex/** r," | sudo tee "$LOCAL_OVERRIDE" >/dev/null
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sudo apparmor_parser -r /etc/apparmor.d/usr.lib.ipsec.charon 2>/dev/null || true
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fi
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# --- Step 2: Enable services ---
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# ovn-ctl consults the RAFT flags only when it creates a database. The
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# ovn-central package starts a standalone ovsdb-server on install, so a
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# standalone-format DB is always already present by the time this script first
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# runs: without this check ovn-ctl serves that DB, silently ignores the cluster
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# flags, and the script reports success on a cluster that was never formed.
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ensure_clustered_db_storage() {
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local db
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local standalone=()
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for db in "$OVN_DBDIR/ovnnb_db.db" "$OVN_DBDIR/ovnsb_db.db"; do
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if [ -f "$db" ] && ! sudo ovsdb-tool db-is-clustered "$db" 2>/dev/null; then
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standalone+=("$db")
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fi
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done
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if [ ${#standalone[@]} -eq 0 ]; then
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return 0
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fi
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if [ "$RECREATE_DB" != true ]; then
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echo "ERROR: clustered DBs requested, but these are in standalone format:" >&2
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printf ' %s\n' "${standalone[@]}" >&2
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echo "" >&2
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echo " A clustered DB can only be created from scratch, so these must be" >&2
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echo " removed first. That DISCARDS ALL LOGICAL NETWORK STATE — every logical" >&2
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echo " switch, router, port and ACL, and so every VPC on this node." >&2
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echo "" >&2
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echo " A freshly installed node has nothing to lose: re-run with --recreate-db." >&2
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echo " A node running workloads does: do not." >&2
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exit 1
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fi
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echo " --recreate-db: removing standalone DBs so ovn-ctl can create clustered ones"
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# ovn-controller must go down with them. Left running, it reconnects to the
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# fresh SB and re-registers under whatever system-id it started with — which
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# on a renamed node is the old one, and that row then holds this node's encap
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# IP so the correctly-named chassis can never commit. Step 5 restarts it.
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sudo systemctl stop ovn-northd ovn-ovsdb-server-nb ovn-ovsdb-server-sb ovn-central ovn-controller 2>/dev/null || true
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sudo rm -f "${standalone[@]}"
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}
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echo ""
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echo "Step 2: Enabling services..."
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sudo systemctl enable openvswitch-switch
|
|
sudo systemctl start openvswitch-switch
|
|
echo " openvswitch-switch: started"
|
|
|
|
if [ "$MANAGEMENT" = true ]; then
|
|
sudo systemctl enable ovn-central
|
|
|
|
if [ -n "$DB_CLUSTER_LOCAL_ADDR" ]; then
|
|
ensure_clustered_db_storage
|
|
|
|
# Clustered NB/SB via native OVSDB RAFT. Both per-DB units source one
|
|
# shared OVN_CTL_OPTS from /etc/default/ovn-central; each run_*_ovsdb
|
|
# consumes only its own --db-{nb,sb}-* flags. RAFT ports default to NB
|
|
# 6643 / SB 6644. ovn-ctl creates the cluster when no remote-addr is
|
|
# given (and no existing .db file), joins when one is.
|
|
OVN_CTL_OPTS="--db-nb-cluster-local-addr=$DB_CLUSTER_LOCAL_ADDR --db-sb-cluster-local-addr=$DB_CLUSTER_LOCAL_ADDR"
|
|
if [ -n "$DB_CLUSTER_REMOTE_ADDR" ]; then
|
|
OVN_CTL_OPTS="$OVN_CTL_OPTS --db-nb-cluster-remote-addr=$DB_CLUSTER_REMOTE_ADDR --db-sb-cluster-remote-addr=$DB_CLUSTER_REMOTE_ADDR"
|
|
echo " ovn-central: joining RAFT cluster (local=$DB_CLUSTER_LOCAL_ADDR remote=$DB_CLUSTER_REMOTE_ADDR)"
|
|
else
|
|
echo " ovn-central: creating RAFT cluster (local=$DB_CLUSTER_LOCAL_ADDR)"
|
|
fi
|
|
|
|
# Point ovn-northd's client NB/SB connections at the full RAFT member
|
|
# list so the active northd follows the leader. Without this it dials the
|
|
# local member only and stops advancing SB_Global.nb_cfg once leadership
|
|
# moves off this node, wedging the ovn-nbctl --wait=hv flows barrier.
|
|
# Derived from OVN_REMOTE (the SB list); the NB list is the same hosts on
|
|
# 6641. Skipped when OVN_REMOTE is the localhost default (caller passed no
|
|
# member list) so a lone standalone DB node is unaffected.
|
|
if [ "$OVN_REMOTE" != "tcp:127.0.0.1:6642" ]; then
|
|
OVN_REMOTE_NB="${OVN_REMOTE//:6642/:6641}"
|
|
OVN_CTL_OPTS="$OVN_CTL_OPTS --ovn-northd-nb-db=$OVN_REMOTE_NB --ovn-northd-sb-db=$OVN_REMOTE"
|
|
echo " ovn-northd: NB=$OVN_REMOTE_NB SB=$OVN_REMOTE (RAFT member list)"
|
|
fi
|
|
|
|
echo "OVN_CTL_OPTS=\"$OVN_CTL_OPTS\"" | sudo tee /etc/default/ovn-central >/dev/null
|
|
echo " wrote /etc/default/ovn-central"
|
|
|
|
# The packaged ovn-northd.service ExecStop runs `ovn-ctl stop_northd`
|
|
# without --ovn-manage-ovsdb=no, so restarting northd also tears down the
|
|
# NB/SB ovsdb-server units. With the split clustered units those DBs are
|
|
# owned by their own units, so override ExecStop to leave them alone —
|
|
# otherwise the restart below races and kills the freshly-started DBs.
|
|
sudo mkdir -p /etc/systemd/system/ovn-northd.service.d
|
|
sudo tee /etc/systemd/system/ovn-northd.service.d/no-manage-ovsdb.conf >/dev/null <<'EOF'
|
|
[Service]
|
|
ExecStop=
|
|
ExecStop=/usr/share/ovn/scripts/ovn-ctl stop_northd --no-monitor --ovn-manage-ovsdb=no
|
|
EOF
|
|
sudo systemctl daemon-reload
|
|
|
|
# The ovn-central aggregator is ExecStart=/bin/true, so restarting it
|
|
# won't restart the children — restart the per-DB units directly to
|
|
# pick up the new OVN_CTL_OPTS.
|
|
sudo systemctl restart ovn-ovsdb-server-nb ovn-ovsdb-server-sb ovn-northd
|
|
echo " ovn-central: started clustered (NB DB + SB DB + ovn-northd)"
|
|
else
|
|
sudo systemctl start ovn-central
|
|
echo " ovn-central: started (NB DB + SB DB + ovn-northd)"
|
|
fi
|
|
|
|
# Wait for OVN NB DB socket to become available
|
|
for i in $(seq 1 15); do
|
|
if sudo ovn-nbctl --timeout=2 get-connection >/dev/null 2>&1; then
|
|
break
|
|
fi
|
|
echo " Waiting for OVN NB DB... ($i/15)"
|
|
sleep 1
|
|
done
|
|
|
|
# Verify rather than assume: a DB that came up standalone despite the RAFT
|
|
# flags is the exact failure this guards against, and it stays invisible
|
|
# until a node goes down and the cluster turns out not to exist.
|
|
if [ -n "$DB_CLUSTER_LOCAL_ADDR" ]; then
|
|
for db in "$OVN_DBDIR/ovnnb_db.db" "$OVN_DBDIR/ovnsb_db.db"; do
|
|
if ! sudo ovsdb-tool db-is-clustered "$db" 2>/dev/null; then
|
|
echo "ERROR: $db is not in clustered format after startup." >&2
|
|
echo " The RAFT configuration did not take effect." >&2
|
|
exit 1
|
|
fi
|
|
done
|
|
echo " DB storage: clustered (NB + SB verified)"
|
|
fi
|
|
|
|
# Wait for the Southbound DB to be serving before ovn-controller (Step 5)
|
|
# dials it. On a single node ovn-controller races a fresh SB RAFT election
|
|
# with no join step to absorb the window — attaching before the leader is
|
|
# elected (and before northd writes the gateway logical flows) leaves it with
|
|
# a partial datapath that never reconverges. Gate on SB reachable and, when
|
|
# clustered, an elected leader.
|
|
for i in $(seq 1 30); do
|
|
if sudo ovn-sbctl --timeout=2 show >/dev/null 2>&1; then
|
|
if [ -z "$DB_CLUSTER_LOCAL_ADDR" ]; then
|
|
break
|
|
fi
|
|
SB_LEADER=$(sudo ovs-appctl -t /var/run/ovn/ovnsb_db.ctl \
|
|
cluster/status OVN_Southbound 2>/dev/null \
|
|
| awk '/^Leader:/{print $2; exit}')
|
|
if [ -n "$SB_LEADER" ] && [ "$SB_LEADER" != "unknown" ]; then
|
|
break
|
|
fi
|
|
fi
|
|
echo " Waiting for OVN SB DB leader... ($i/30)"
|
|
sleep 1
|
|
done
|
|
|
|
# Set the NB/SB client listen addresses. set-connection writes through RAFT
|
|
# (replicated cluster-wide), so it only runs on the create node — a joining
|
|
# node would redirect to the leader, which the init node already configured.
|
|
if [ -z "$DB_CLUSTER_REMOTE_ADDR" ]; then
|
|
sudo ovn-nbctl set-connection ptcp:6641
|
|
sudo ovn-sbctl set-connection ptcp:6642
|
|
echo " OVN NB DB listening on tcp:6641"
|
|
echo " OVN SB DB listening on tcp:6642"
|
|
fi
|
|
fi
|
|
|
|
# --- Step 3: Create and configure br-int ---
|
|
echo ""
|
|
echo "Step 3: Configuring br-int..."
|
|
|
|
sudo ovs-vsctl --may-exist add-br br-int
|
|
sudo ovs-vsctl set Bridge br-int fail-mode=secure
|
|
sudo ovs-vsctl set Bridge br-int other-config:disable-in-band=true
|
|
sudo ip link set br-int up
|
|
echo " br-int: created, fail-mode=secure, up"
|
|
|
|
# Mark OVS internal netdevs Unmanaged for systemd-networkd. Without this,
|
|
# Trixie's networkd takes ownership of any unconfigured iface and may bring
|
|
# br-int/br-ext admin-down after setup-ovn.sh's `ip link set up` (no Match
|
|
# rule => default management => no carrier => link down). OVS dataplane
|
|
# still forwards, but ovn-controller flow programming and any tooling that
|
|
# probes link state misbehave. Unmanaged=yes keeps OVS in sole control.
|
|
OVS_INTERNAL_NET=/etc/systemd/network/05-spinifex-ovs-internal.network
|
|
if [ ! -f "$OVS_INTERNAL_NET" ]; then
|
|
sudo tee "$OVS_INTERNAL_NET" >/dev/null <<'NETWORK'
|
|
[Match]
|
|
Name=br-int br-ext
|
|
|
|
[Link]
|
|
Unmanaged=yes
|
|
NETWORK
|
|
sudo networkctl reload 2>/dev/null || true
|
|
echo " wrote $OVS_INTERNAL_NET (Unmanaged=yes for br-int br-ext)"
|
|
fi
|
|
|
|
# --- Step 3b: Configure WAN bridge for public subnet uplink ---
|
|
if [ -n "$WAN_BRIDGE" ]; then
|
|
echo ""
|
|
echo "Step 3b: Configuring WAN bridge ($WAN_BRIDGE) for public subnet uplink..."
|
|
|
|
# Rip down any stale veth persistence from a previous veth-mode install
|
|
# when switching to any non-veth mode. Idempotent — each command uses
|
|
# --if-exists / 2>/dev/null to tolerate absence. Without this, the
|
|
# veth pair re-materialises on reboot and fights the current mode's
|
|
# Bridge plumbing for the host-to-OVN datapath.
|
|
if [ "$WAN_BRIDGE_MODE" != "veth" ]; then
|
|
sudo rm -f /etc/systemd/network/14-spinifex-br-wan.netdev \
|
|
/etc/systemd/network/15-spinifex-veth-wan.netdev \
|
|
/etc/systemd/network/15-spinifex-veth-wan.network \
|
|
/etc/systemd/network/16-spinifex-veth-wan-ovs.network
|
|
sudo networkctl reload 2>/dev/null || true
|
|
sudo ovs-vsctl --if-exists del-port veth-wan-ovs 2>/dev/null || true
|
|
sudo ip link del veth-wan-br 2>/dev/null || true
|
|
fi
|
|
|
|
# Same ripdown for stale routed-NAT plumbing when switching away from nat.
|
|
if [ "$WAN_BRIDGE_MODE" != "nat" ]; then
|
|
sudo rm -f /etc/systemd/network/17-spinifex-nat.netdev \
|
|
/etc/systemd/network/17-spinifex-nat.network \
|
|
/etc/systemd/network/18-spinifex-nat-ovs.network
|
|
sudo networkctl reload 2>/dev/null || true
|
|
sudo ovs-vsctl --if-exists del-port spx-nat-ovs 2>/dev/null || true
|
|
sudo ip link del spx-nat-host 2>/dev/null || true
|
|
fi
|
|
|
|
case "$WAN_BRIDGE_MODE" in
|
|
existing)
|
|
# Already an OVS bridge (from a previous run or explicit --wan-bridge).
|
|
if ! sudo ovs-vsctl br-exists "$WAN_BRIDGE" 2>/dev/null; then
|
|
sudo ovs-vsctl --may-exist add-br "$WAN_BRIDGE"
|
|
echo " created OVS bridge: $WAN_BRIDGE"
|
|
fi
|
|
sudo ip link set "$WAN_BRIDGE" up
|
|
echo " $WAN_BRIDGE: OVS bridge, up"
|
|
;;
|
|
|
|
veth)
|
|
# Linux bridge detected (e.g. br-wan from cloud-init/netplan).
|
|
# OVN bridge-mappings require an OVS bridge. Rather than converting
|
|
# the Linux bridge (destructive, causes WAN interruption), we create
|
|
# a separate OVS bridge and link them with a veth pair:
|
|
#
|
|
# br-wan (Linux, keeps IP/routes) ←→ veth pair ←→ br-ext (OVS, for OVN)
|
|
#
|
|
# No network interruption. The Linux bridge is untouched.
|
|
|
|
# Create OVS bridge
|
|
if ! sudo ovs-vsctl br-exists "$WAN_BRIDGE" 2>/dev/null; then
|
|
sudo ovs-vsctl --may-exist add-br "$WAN_BRIDGE"
|
|
echo " created OVS bridge: $WAN_BRIDGE"
|
|
fi
|
|
sudo ip link set "$WAN_BRIDGE" up
|
|
|
|
# Create veth pair (idempotent)
|
|
if ! ip link show veth-wan-br >/dev/null 2>&1; then
|
|
sudo ip link add veth-wan-br type veth peer name veth-wan-ovs
|
|
echo " created veth pair: veth-wan-br ↔ veth-wan-ovs"
|
|
else
|
|
echo " veth pair already exists: veth-wan-br ↔ veth-wan-ovs"
|
|
fi
|
|
|
|
# Enslave veth-wan-br to the Linux bridge
|
|
if ! ip link show veth-wan-br 2>/dev/null | grep -q "master $LINUX_BRIDGE"; then
|
|
sudo ip link set veth-wan-br master "$LINUX_BRIDGE"
|
|
echo " veth-wan-br → $LINUX_BRIDGE (Linux bridge)"
|
|
fi
|
|
sudo ip link set veth-wan-br up
|
|
|
|
# Add veth-wan-ovs to the OVS bridge
|
|
if ! sudo ovs-vsctl port-to-br veth-wan-ovs >/dev/null 2>&1; then
|
|
sudo ovs-vsctl --may-exist add-port "$WAN_BRIDGE" veth-wan-ovs
|
|
echo " veth-wan-ovs → $WAN_BRIDGE (OVS bridge)"
|
|
fi
|
|
sudo ip link set veth-wan-ovs up
|
|
|
|
echo " $LINUX_BRIDGE (Linux) ↔ veth pair ↔ $WAN_BRIDGE (OVS)"
|
|
echo " $LINUX_BRIDGE keeps its IP and routes — no interruption"
|
|
|
|
# Persist the veth pair across reboot via systemd-networkd. Veths
|
|
# are kernel-only and vanish on reboot; without persistence vpcd
|
|
# starts with the OVS port pointing at a nonexistent peer and
|
|
# silently falls back to direct mode.
|
|
#
|
|
# networkd's Bridge= directive requires the target bridge to be a
|
|
# known NetDev. On ISO-installed nodes the installer writes
|
|
# 11-spinifex-br-wan.netdev, which the gate below detects and
|
|
# skips this write. On binary-installed nodes where the operator
|
|
# manages br-wan outside networkd (e.g. cloud-init), this file
|
|
# fills the gap so veth-wan-br resolves its bridge on reboot.
|
|
# `Failed to create netdev: File exists` is harmless — networkd
|
|
# matches the existing kernel bridge by name+kind.
|
|
#
|
|
# Gate: skip the write if any .netdev (installer, cloud-init,
|
|
# netplan, manual) already declares this bridge — don't clobber
|
|
# existing networkd config. networkd searches /etc, /run, /usr/lib;
|
|
# check all three. Our own file is excluded so idempotent re-runs
|
|
# still rewrite when needed.
|
|
BR_WAN_NETDEV="/etc/systemd/network/14-spinifex-br-wan.netdev"
|
|
VETH_NETDEV="/etc/systemd/network/15-spinifex-veth-wan.netdev"
|
|
VETH_NETWORK="/etc/systemd/network/15-spinifex-veth-wan.network"
|
|
VETH_OVS_NETWORK="/etc/systemd/network/16-spinifex-veth-wan-ovs.network"
|
|
EXISTING_BR_NETDEV=$(grep -rls --include="*.netdev" -E "^\s*Name=$LINUX_BRIDGE\s*$" \
|
|
/etc/systemd/network /run/systemd/network /usr/lib/systemd/network 2>/dev/null \
|
|
| grep -v "^$BR_WAN_NETDEV$" || true)
|
|
if [ -n "$EXISTING_BR_NETDEV" ]; then
|
|
echo " skipping $BR_WAN_NETDEV — operator-managed NetDev already declares $LINUX_BRIDGE: $EXISTING_BR_NETDEV"
|
|
else
|
|
sudo tee "$BR_WAN_NETDEV" >/dev/null <<NETDEV
|
|
[NetDev]
|
|
Name=$LINUX_BRIDGE
|
|
Kind=bridge
|
|
NETDEV
|
|
fi
|
|
sudo tee "$VETH_NETDEV" >/dev/null <<NETDEV
|
|
[NetDev]
|
|
Name=veth-wan-br
|
|
Kind=veth
|
|
|
|
[Peer]
|
|
Name=veth-wan-ovs
|
|
NETDEV
|
|
sudo tee "$VETH_NETWORK" >/dev/null <<NETWORK
|
|
[Match]
|
|
Name=veth-wan-br
|
|
|
|
[Network]
|
|
Bridge=$LINUX_BRIDGE
|
|
ConfigureWithoutCarrier=yes
|
|
NETWORK
|
|
# Second unit admin-ups the OVS end of the pair. OVS owns the port
|
|
# (enslaved via ovs-vsctl add-port above) but does not flip admin
|
|
# state on external ports — that's networkd's job. Without this,
|
|
# veth-wan-ovs stays DOWN after reboot, peer goes LOWERLAYERDOWN,
|
|
# br-wan loses carrier.
|
|
sudo tee "$VETH_OVS_NETWORK" >/dev/null <<NETWORK
|
|
[Match]
|
|
Name=veth-wan-ovs
|
|
|
|
[Link]
|
|
RequiredForOnline=no
|
|
|
|
[Network]
|
|
ConfigureWithoutCarrier=yes
|
|
NETWORK
|
|
sudo networkctl reload 2>/dev/null || true
|
|
echo " wrote $VETH_NETDEV + $VETH_NETWORK + $VETH_OVS_NETWORK (veth persists on reboot)"
|
|
;;
|
|
|
|
direct)
|
|
# Add WAN NIC directly to OVS bridge. The NIC becomes an OVS slave —
|
|
# its IP (if any) is no longer reachable from the host. The user has
|
|
# confirmed this NIC is NOT their SSH connection.
|
|
if ! ip link show "$WAN_IFACE" >/dev/null 2>&1; then
|
|
echo " ERROR: interface $WAN_IFACE does not exist"
|
|
echo " Available interfaces:"
|
|
ip -o link show | awk -F': ' '{print " " $2}'
|
|
exit 1
|
|
fi
|
|
|
|
sudo ovs-vsctl --may-exist add-br "$WAN_BRIDGE"
|
|
sudo ip link set "$WAN_BRIDGE" up
|
|
|
|
if sudo ovs-vsctl port-to-br "$WAN_IFACE" >/dev/null 2>&1; then
|
|
echo " $WAN_IFACE already on $(sudo ovs-vsctl port-to-br "$WAN_IFACE")"
|
|
else
|
|
sudo ovs-vsctl --may-exist add-port "$WAN_BRIDGE" "$WAN_IFACE"
|
|
echo " added $WAN_IFACE directly to $WAN_BRIDGE"
|
|
fi
|
|
sudo ip link set "$WAN_IFACE" up
|
|
echo " $WAN_BRIDGE: direct bridge on $WAN_IFACE"
|
|
echo " NOTE: $WAN_IFACE is now an OVS port — no host IP on this NIC"
|
|
;;
|
|
|
|
nat)
|
|
# Routed NAT: br-ext carries no WAN NIC. A transit veth pair links
|
|
# it to the host stack (spx-nat-host owns 100.127.0.1/24); the host
|
|
# forwards and masquerades the transit /24 out whatever uplink it
|
|
# has. OVN SNATs each VPC CIDR to its gateway LRP transit IP, so
|
|
# the masquerade rule below is the only host-side NAT state.
|
|
NAT_TRANSIT_CIDR="100.127.0.0/24"
|
|
NAT_TRANSIT_GW_CIDR="100.127.0.1/24"
|
|
|
|
if ! sudo ovs-vsctl br-exists "$WAN_BRIDGE" 2>/dev/null; then
|
|
sudo ovs-vsctl --may-exist add-br "$WAN_BRIDGE"
|
|
echo " created OVS bridge: $WAN_BRIDGE"
|
|
fi
|
|
sudo ip link set "$WAN_BRIDGE" up
|
|
|
|
# Create transit veth pair (idempotent)
|
|
if ! ip link show spx-nat-host >/dev/null 2>&1; then
|
|
sudo ip link add spx-nat-host type veth peer name spx-nat-ovs
|
|
echo " created veth pair: spx-nat-host ↔ spx-nat-ovs"
|
|
else
|
|
echo " veth pair already exists: spx-nat-host ↔ spx-nat-ovs"
|
|
fi
|
|
sudo ip addr replace "$NAT_TRANSIT_GW_CIDR" dev spx-nat-host
|
|
|
|
# Add the OVS end to br-ext
|
|
if ! sudo ovs-vsctl port-to-br spx-nat-ovs >/dev/null 2>&1; then
|
|
sudo ovs-vsctl --may-exist add-port "$WAN_BRIDGE" spx-nat-ovs
|
|
echo " spx-nat-ovs → $WAN_BRIDGE (OVS bridge)"
|
|
fi
|
|
sudo ip link set spx-nat-host up
|
|
sudo ip link set spx-nat-ovs up
|
|
echo " host (spx-nat-host $NAT_TRANSIT_GW_CIDR) ↔ veth pair ↔ $WAN_BRIDGE (OVS)"
|
|
|
|
# Persist the veth pair + transit IP across reboot (veths are
|
|
# kernel-only; same rationale as veth mode above).
|
|
NAT_NETDEV="/etc/systemd/network/17-spinifex-nat.netdev"
|
|
NAT_NETWORK="/etc/systemd/network/17-spinifex-nat.network"
|
|
NAT_OVS_NETWORK="/etc/systemd/network/18-spinifex-nat-ovs.network"
|
|
sudo tee "$NAT_NETDEV" >/dev/null <<NETDEV
|
|
[NetDev]
|
|
Name=spx-nat-host
|
|
Kind=veth
|
|
|
|
[Peer]
|
|
Name=spx-nat-ovs
|
|
NETDEV
|
|
sudo tee "$NAT_NETWORK" >/dev/null <<NETWORK
|
|
[Match]
|
|
Name=spx-nat-host
|
|
|
|
[Network]
|
|
Address=$NAT_TRANSIT_GW_CIDR
|
|
ConfigureWithoutCarrier=yes
|
|
NETWORK
|
|
# Admin-up the OVS end after reboot (OVS owns the port but does
|
|
# not flip admin state on external ports — same as veth mode).
|
|
sudo tee "$NAT_OVS_NETWORK" >/dev/null <<NETWORK
|
|
[Match]
|
|
Name=spx-nat-ovs
|
|
|
|
[Link]
|
|
RequiredForOnline=no
|
|
|
|
[Network]
|
|
ConfigureWithoutCarrier=yes
|
|
NETWORK
|
|
sudo networkctl reload 2>/dev/null || true
|
|
echo " wrote $NAT_NETDEV + $NAT_NETWORK + $NAT_OVS_NETWORK (transit veth persists on reboot)"
|
|
|
|
# Kernel egress: masquerade the transit /24 out any uplink and
|
|
# accept forwarded transit traffic even under FORWARD-policy DROP.
|
|
# vpcd re-ensures these on every start; installing here too means
|
|
# the wiring is testable before services run.
|
|
sudo iptables -t nat -C POSTROUTING -s "$NAT_TRANSIT_CIDR" ! -d "$NAT_TRANSIT_CIDR" \
|
|
-m comment --comment "spinifex-nat-egress" -j MASQUERADE 2>/dev/null || \
|
|
sudo iptables -t nat -A POSTROUTING -s "$NAT_TRANSIT_CIDR" ! -d "$NAT_TRANSIT_CIDR" \
|
|
-m comment --comment "spinifex-nat-egress" -j MASQUERADE
|
|
sudo iptables -C FORWARD -i spx-nat-host -s "$NAT_TRANSIT_CIDR" \
|
|
-m comment --comment "spinifex-nat-egress" -j ACCEPT 2>/dev/null || \
|
|
sudo iptables -A FORWARD -i spx-nat-host -s "$NAT_TRANSIT_CIDR" \
|
|
-m comment --comment "spinifex-nat-egress" -j ACCEPT
|
|
sudo iptables -C FORWARD -o spx-nat-host -m conntrack --ctstate RELATED,ESTABLISHED \
|
|
-m comment --comment "spinifex-nat-egress" -j ACCEPT 2>/dev/null || \
|
|
sudo iptables -A FORWARD -o spx-nat-host -m conntrack --ctstate RELATED,ESTABLISHED \
|
|
-m comment --comment "spinifex-nat-egress" -j ACCEPT
|
|
echo " installed masquerade + forward rules for $NAT_TRANSIT_CIDR (comment: spinifex-nat-egress)"
|
|
;;
|
|
esac
|
|
|
|
# --- DHCP: obtain gateway IP for OVN SNAT ---
|
|
if [ "$EXTERNAL_DHCP" = true ] && [ "$WAN_BRIDGE_MODE" = "nat" ]; then
|
|
echo ""
|
|
echo " Skipping --dhcp: routed NAT mode has a fixed transit gateway (100.127.0.1)"
|
|
elif [ "$EXTERNAL_DHCP" = true ]; then
|
|
echo ""
|
|
echo "Step 3c: Obtaining external gateway IP via DHCP..."
|
|
|
|
# DHCP on the WAN bridge itself (direct/existing/veth).
|
|
DHCP_IFACE="$WAN_BRIDGE"
|
|
|
|
# Run DHCP client to get a lease
|
|
if command -v dhcpcd >/dev/null 2>&1; then
|
|
sudo dhcpcd --waitip=4 --timeout 15 "$DHCP_IFACE" 2>/dev/null || true
|
|
elif command -v dhclient >/dev/null 2>&1; then
|
|
sudo dhclient -1 -timeout 15 "$DHCP_IFACE" 2>/dev/null || true
|
|
else
|
|
echo " WARNING: no DHCP client found (dhcpcd or dhclient)"
|
|
echo " Install dhcpcd-base or isc-dhcp-client, or set gateway_ip manually"
|
|
fi
|
|
|
|
# Read the obtained IP
|
|
DHCP_IP=$(ip -4 addr show dev "$DHCP_IFACE" 2>/dev/null | awk '/inet /{print $2}' | head -1 | cut -d/ -f1)
|
|
if [ -n "$DHCP_IP" ]; then
|
|
echo " DHCP obtained: $DHCP_IP on $DHCP_IFACE"
|
|
|
|
# Write the gateway IP to the spinifex config so vpcd can use it
|
|
CONFIG_DIR="${CONFIG_DIR:-$HOME/spinifex/config}"
|
|
CONFIG_FILE="$CONFIG_DIR/spinifex.toml"
|
|
if [ -f "$CONFIG_FILE" ]; then
|
|
if grep -q "gateway_ip" "$CONFIG_FILE"; then
|
|
sed -i "s/gateway_ip.*/gateway_ip = \"$DHCP_IP\"/" "$CONFIG_FILE"
|
|
else
|
|
sed -i "/^gateway *=.*/a gateway_ip = \"$DHCP_IP\"" "$CONFIG_FILE"
|
|
fi
|
|
echo " Updated $CONFIG_FILE with gateway_ip = $DHCP_IP"
|
|
else
|
|
echo " WARNING: $CONFIG_FILE not found — set gateway_ip manually"
|
|
fi
|
|
else
|
|
echo " WARNING: DHCP failed to obtain IP on $DHCP_IFACE"
|
|
echo " VMs will not have external connectivity until gateway_ip is configured"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# --- Step 3d: Management bridge for system-instance control plane ---
|
|
# br-mgmt is an OVS bridge (not L2-learning Linux bridge, not part of OVN
|
|
# overlay). fail-mode=standalone makes it behave like a plain L2 switch
|
|
# without OVN flows; it is excluded from ovn-bridge-mappings so
|
|
# ovn-controller ignores it. System instance TAPs attach via ovs-vsctl
|
|
# add-port (see SetupMgmtTapDevice in daemon/network.go).
|
|
if [ "$MGMT_BRIDGE_ENABLED" = true ]; then
|
|
echo ""
|
|
echo "Step 3d: Configuring management bridge ($MGMT_BRIDGE)..."
|
|
|
|
# --may-exist is idempotent against OVS, not against the kernel. When a
|
|
# Linux bridge already holds the name, OVS creates the bridge record but
|
|
# cannot create the internal netdev, leaving a half-built bridge whose
|
|
# only symptom is an error buried in `ovs-vsctl show`.
|
|
if ip link show "$MGMT_BRIDGE" >/dev/null 2>&1 && \
|
|
! sudo ovs-vsctl br-exists "$MGMT_BRIDGE" 2>/dev/null; then
|
|
echo " ERROR: '$MGMT_BRIDGE' already exists as a non-OVS link"
|
|
ip -d link show "$MGMT_BRIDGE" | head -2
|
|
echo ""
|
|
echo " The management bridge must be an OVS bridge. Either:"
|
|
echo " 1. Point this script elsewhere: --mgmt-bridge=<name>"
|
|
echo " 2. Rename the existing link (a plane bridge belongs on br-wan/br-lan/br-vpc)"
|
|
echo " 3. Skip mgmt provisioning entirely: --no-mgmt-bridge"
|
|
exit 1
|
|
fi
|
|
|
|
sudo ovs-vsctl --may-exist add-br "$MGMT_BRIDGE"
|
|
sudo ovs-vsctl set Bridge "$MGMT_BRIDGE" \
|
|
fail-mode=standalone \
|
|
other-config:disable-in-band=true
|
|
sudo ip link set "$MGMT_BRIDGE" up
|
|
echo " $MGMT_BRIDGE: OVS bridge, fail-mode=standalone, up"
|
|
|
|
# Enslave physical/virtual mgmt NIC when provided (multi-node deployments
|
|
# where the node's mgmt subnet spans multiple hosts).
|
|
if [ -n "$MGMT_IFACE" ]; then
|
|
if ! ip link show "$MGMT_IFACE" >/dev/null 2>&1; then
|
|
echo " ERROR: mgmt interface $MGMT_IFACE does not exist"
|
|
ip -o link show | awk -F': ' '{print " " $2}'
|
|
exit 1
|
|
fi
|
|
|
|
# Drop any existing IP on the NIC — IP belongs on the bridge.
|
|
sudo ip addr flush dev "$MGMT_IFACE" || true
|
|
sudo ovs-vsctl --may-exist add-port "$MGMT_BRIDGE" "$MGMT_IFACE"
|
|
sudo ip link set "$MGMT_IFACE" up
|
|
echo " $MGMT_IFACE: port on $MGMT_BRIDGE"
|
|
fi
|
|
|
|
if [ -n "$MGMT_CIDR" ]; then
|
|
sudo ip addr replace "$MGMT_CIDR" dev "$MGMT_BRIDGE"
|
|
echo " $MGMT_BRIDGE: address $MGMT_CIDR"
|
|
|
|
# Persist the IP across reboots via a systemd-networkd drop-in. The
|
|
# OVS bridge definition itself survives in ovsdb; only the L3 IP
|
|
# needs re-applying on boot.
|
|
MGMT_NETD_UNIT="/etc/systemd/network/10-spinifex-mgmt.network"
|
|
sudo tee "$MGMT_NETD_UNIT" >/dev/null <<NETD
|
|
[Match]
|
|
Name=$MGMT_BRIDGE
|
|
|
|
[Network]
|
|
Address=$MGMT_CIDR
|
|
ConfigureWithoutCarrier=yes
|
|
NETD
|
|
echo " wrote $MGMT_NETD_UNIT (IP persists on reboot via systemd-networkd)"
|
|
fi
|
|
fi
|
|
|
|
# --- Step 4: Configure OVN external_ids ---
|
|
echo ""
|
|
echo "Step 4: Setting OVS external_ids for OVN..."
|
|
|
|
if [ -n "$WAN_BRIDGE" ]; then
|
|
BRIDGE_MAPPINGS="external:${WAN_BRIDGE}"
|
|
sudo ovs-vsctl set Open_vSwitch . \
|
|
external_ids:ovn-remote="$OVN_REMOTE" \
|
|
external_ids:ovn-encap-ip="$ENCAP_IP" \
|
|
external_ids:ovn-encap-type="geneve" \
|
|
external_ids:ovn-bridge-mappings="$BRIDGE_MAPPINGS"
|
|
echo " ovn-bridge-mappings: $BRIDGE_MAPPINGS"
|
|
else
|
|
sudo ovs-vsctl set Open_vSwitch . \
|
|
external_ids:ovn-remote="$OVN_REMOTE" \
|
|
external_ids:ovn-encap-ip="$ENCAP_IP" \
|
|
external_ids:ovn-encap-type="geneve"
|
|
fi
|
|
|
|
# Pin OVS system-id (= OVN chassis-id) to NODE_NAME when --node-name was
|
|
# explicitly given. Reasons to pin:
|
|
# 1. IPsec identity: ovs-monitor-ipsec uses chassis-id as the IKEv2
|
|
# `@<name>` peer identity. Our per-node IPsec peer cert
|
|
# (admin.GenerateIPSecPeerCert) carries the cluster node name as CN
|
|
# + dnsName SAN — see spx admin init/join, which take --node NAME and
|
|
# bake NAME into the cert. Leaving chassis-id as the package-generated
|
|
# UUID would cause `received AUTHENTICATION_FAILED` because charon
|
|
# validates `@<UUID>` against a cert dnsName=<NODE_NAME>.
|
|
# 2. Ops legibility: `ovn-sbctl show` lists chassis by name, not UUID.
|
|
#
|
|
# When --node-name is NOT given (CI bootstrap-install.sh today, dev
|
|
# single-node bring-up, ansible roles that don't yet pass it), leave the
|
|
# system-id alone. A hostname fallback used to live here, but on CI
|
|
# single-node it rewrote system-id from the gold-image UUID to a
|
|
# different hostname while the existing SBDB chassis row kept name=UUID;
|
|
# vpcd's discoverChassis then logged "skipping stale local chassis" and
|
|
# refused to start. Preserving the on-disk value is always safe — any
|
|
# caller that needs IPsec cert identity matching pins it themselves.
|
|
if [ -n "$NODE_NAME" ]; then
|
|
OLD_ID=$(sudo ovs-vsctl get Open_vSwitch . external_ids:system-id 2>/dev/null | tr -d '"')
|
|
echo "$NODE_NAME" | sudo tee /etc/openvswitch/system-id.conf >/dev/null
|
|
sudo ovs-vsctl set Open_vSwitch . external_ids:system-id="$NODE_NAME"
|
|
echo " system-id: $NODE_NAME (pinned via --node-name)"
|
|
|
|
# A renamed chassis cannot register while the row it left behind still
|
|
# holds this node's encap IP: ovn-controller loops on "OVNSB commit
|
|
# failed" and never appears in `ovn-sbctl show`. The stale row owns no
|
|
# state worth keeping — ovn-controller rebuilds everything on register —
|
|
# but it must go before Step 5 restarts the controller under the new name.
|
|
if [ -n "$OLD_ID" ] && [ "$OLD_ID" != "$NODE_NAME" ]; then
|
|
if sudo ovn-sbctl --db="$OVN_REMOTE" --timeout=10 chassis-del "$OLD_ID" 2>/dev/null; then
|
|
echo " stale chassis: removed '$OLD_ID' (renamed to $NODE_NAME)"
|
|
fi
|
|
fi
|
|
else
|
|
CURRENT_ID=$(sudo ovs-vsctl get Open_vSwitch . external_ids:system-id 2>/dev/null | tr -d '"')
|
|
echo " system-id: ${CURRENT_ID:-<unset>} (preserved; no --node-name given)"
|
|
fi
|
|
echo " ovn-remote: $OVN_REMOTE"
|
|
echo " ovn-encap-ip: $ENCAP_IP"
|
|
echo " ovn-encap-type: geneve"
|
|
|
|
# --- Step 5: Start ovn-controller ---
|
|
echo ""
|
|
echo "Step 5: Starting ovn-controller..."
|
|
|
|
# Set ovn-controller file log level to WARN so it doesn't spam the log with
|
|
# connection-retry INFO messages ("OVNSB commit failed") when the SB DB
|
|
# isn't running. Uses a systemd ExecStartPost so it persists across restarts.
|
|
OVN_CTRL_OVERRIDE="/etc/systemd/system/ovn-controller.service.d/log-level.conf"
|
|
sudo mkdir -p "$(dirname "$OVN_CTRL_OVERRIDE")"
|
|
sudo tee "$OVN_CTRL_OVERRIDE" >/dev/null <<'OVERRIDE'
|
|
[Service]
|
|
ExecStartPost=/bin/sh -c 'OVS_RUNDIR=/var/run/ovn exec /usr/bin/ovs-appctl -t ovn-controller vlog/set file:warn'
|
|
OVERRIDE
|
|
sudo systemctl daemon-reload
|
|
echo " ovn-controller log level: file:warn (via systemd drop-in)"
|
|
|
|
sudo systemctl restart ovn-controller
|
|
echo " ovn-controller: started"
|
|
|
|
# Force a full datapath recompute once ovn-controller has connected to the SB.
|
|
# On a fresh single-node RAFT the controller can attach mid-election and program
|
|
# a partial datapath (SNAT ct-commit without output/delivery), then never
|
|
# reconverge. Recomputing after the SB connection is up rebuilds all OpenFlow
|
|
# from the converged Southbound. Compute nodes race a remote SB too, so this
|
|
# runs on every node.
|
|
for i in $(seq 1 30); do
|
|
CTRL_STATUS=$(sudo OVS_RUNDIR=/var/run/ovn ovs-appctl -t ovn-controller \
|
|
connection-status 2>/dev/null)
|
|
if [ "$CTRL_STATUS" = "connected" ]; then
|
|
break
|
|
fi
|
|
echo " Waiting for ovn-controller SB connection... ($i/30)"
|
|
sleep 1
|
|
done
|
|
sudo OVS_RUNDIR=/var/run/ovn ovs-appctl -t ovn-controller inc-engine/recompute \
|
|
2>/dev/null || true
|
|
echo " ovn-controller: forced datapath recompute"
|
|
|
|
# --- Step 6: Sysctl tuning ---
|
|
echo ""
|
|
echo "Step 6: Applying sysctl for overlay networking..."
|
|
|
|
sudo tee /etc/sysctl.d/99-spinifex-vpc.conf >/dev/null <<'SYSCTL'
|
|
# Spinifex VPC networking: enable IP forwarding and disable rp_filter
|
|
# for Geneve overlay traffic on OVS bridges.
|
|
net.ipv4.ip_forward=1
|
|
net.ipv4.conf.all.rp_filter=0
|
|
net.ipv4.conf.default.rp_filter=0
|
|
SYSCTL
|
|
sudo sysctl --system -q
|
|
echo " ip_forward=1, rp_filter=0"
|
|
|
|
# --- Step 6b: Ensure data NIC routing for Geneve tunnels ---
|
|
echo ""
|
|
echo "Step 6b: Configuring data NIC routing for Geneve tunnels..."
|
|
|
|
# When management and data NICs share the same subnet (e.g. both on 10.1.0.0/16),
|
|
# the kernel may route Geneve tunnel traffic through the management NIC with the
|
|
# wrong source IP. This causes remote OVS nodes to drop incoming tunnel packets
|
|
# because the source IP doesn't match the configured tunnel remote_ip.
|
|
# Fix: lower the route metric on the data NIC so it's preferred.
|
|
DATA_IFACE=$(ip -o -4 addr show | awk -v ip="$ENCAP_IP" '$0 ~ ip"/" {print $2}')
|
|
if [ -n "$DATA_IFACE" ]; then
|
|
SUBNET=$(ip -o -4 route show dev "$DATA_IFACE" proto kernel scope link | awk '{print $1}' | head -1)
|
|
if [ -n "$SUBNET" ]; then
|
|
sudo ip route replace "$SUBNET" dev "$DATA_IFACE" src "$ENCAP_IP" metric 50
|
|
echo " data route: $SUBNET via $DATA_IFACE src $ENCAP_IP (metric 50)"
|
|
else
|
|
echo " skipped: no kernel route found for $DATA_IFACE"
|
|
fi
|
|
else
|
|
echo " skipped: could not find interface for $ENCAP_IP"
|
|
fi
|
|
|
|
# --- Step 7: Verify Geneve kernel support ---
|
|
echo ""
|
|
echo "Step 7: Verifying Geneve kernel module..."
|
|
|
|
if sudo modprobe geneve 2>/dev/null; then
|
|
echo " geneve module: loaded"
|
|
else
|
|
echo " WARNING: geneve module not available (tunnels may not work)"
|
|
fi
|
|
|
|
# --- Step 8: Grant the spinifex service users access to OVS/OVN ---
|
|
echo ""
|
|
echo "Step 8: Configuring service-user access..."
|
|
|
|
# Group-scoped, never world. spinifex-daemon and spinifex-vpcd both run with
|
|
# Group=spinifex, so 0660 root:spinifex is exactly the reach they need. A
|
|
# world-writable db.sock hands the local datapath — bridges, ports, ovn-remote —
|
|
# to any account on the box, and a world-writable ctl socket lets any account
|
|
# run `ovn-appctl exit`.
|
|
PERMS_HELPER="/usr/local/lib/spinifex/ovs-socket-perms.sh"
|
|
sudo mkdir -p "$(dirname "$PERMS_HELPER")"
|
|
sudo tee "$PERMS_HELPER" >/dev/null <<'HELPER'
|
|
#!/bin/sh
|
|
# Group-own the OVS/OVN control sockets to `spinifex` so the service users reach
|
|
# them without sudo. Driven from ExecStartPost on both openvswitch-switch and
|
|
# ovn-controller: each recreates its own sockets on start, and the ovn-controller
|
|
# ctl socket name embeds the pid, so it is a new file every time.
|
|
#
|
|
# $1 is an optional glob for the caller's own socket, waited on before the sweep.
|
|
set -eu
|
|
GROUP=spinifex
|
|
WAIT_FOR="${1:-}"
|
|
|
|
if ! getent group "$GROUP" >/dev/null 2>&1; then
|
|
exit 0
|
|
fi
|
|
|
|
# Unquoted so the caller's pattern globs. A caller passing nothing sweeps at once.
|
|
wait_target_present() {
|
|
if [ -z "$WAIT_FOR" ]; then
|
|
return 0
|
|
fi
|
|
for s in $WAIT_FOR; do
|
|
if [ -S "$s" ]; then
|
|
return 0
|
|
fi
|
|
done
|
|
return 1
|
|
}
|
|
|
|
# ExecStartPost can outrun socket creation, so poll briefly rather than miss the
|
|
# socket and leave the health probe unable to read connection-status.
|
|
i=0
|
|
while [ "$i" -lt 25 ]; do
|
|
if wait_target_present; then
|
|
break
|
|
fi
|
|
i=$((i + 1))
|
|
sleep 0.2
|
|
done
|
|
|
|
# The dir must be traversable by the group before the sockets inside it matter.
|
|
# Only the group changes; the owner keeps full access whoever it is.
|
|
if [ -d /var/run/ovn ]; then
|
|
chgrp "$GROUP" /var/run/ovn 2>/dev/null || true
|
|
chmod 0750 /var/run/ovn 2>/dev/null || true
|
|
fi
|
|
|
|
# ovn??_db.sock are the NB/SB databases themselves, which ovn-nbctl and
|
|
# ovn-sbctl connect to. Bridge <name>.mgmt sockets are deliberately NOT here:
|
|
# ovs-vswitchd creates one whenever a bridge appears, including bridges spinifex
|
|
# creates at runtime, so ovs-ofctl keeps its sudo grant.
|
|
for s in /var/run/openvswitch/db.sock /var/run/openvswitch/*.ctl \
|
|
/var/run/ovn/*.ctl /var/run/ovn/ovnnb_db.sock /var/run/ovn/ovnsb_db.sock; do
|
|
if [ -S "$s" ]; then
|
|
chgrp "$GROUP" "$s" 2>/dev/null || true
|
|
chmod 0660 "$s" 2>/dev/null || true
|
|
fi
|
|
done
|
|
|
|
# Group-WRITE on the pidfiles, not just read: `ovn-appctl -t <daemon>` resolves
|
|
# the pid-named ctl socket through the pidfile, and OVS opens it O_RDWR to test
|
|
# the fcntl liveness lock. Read-only fails the probe with EACCES. This also
|
|
# tightens them from the 0644 they ship with.
|
|
for p in /var/run/openvswitch/*.pid /var/run/ovn/*.pid; do
|
|
if [ -f "$p" ]; then
|
|
chgrp "$GROUP" "$p" 2>/dev/null || true
|
|
chmod 0660 "$p" 2>/dev/null || true
|
|
fi
|
|
done
|
|
HELPER
|
|
sudo chmod 0755 "$PERMS_HELPER"
|
|
sudo "$PERMS_HELPER"
|
|
echo " OVS/OVN sockets: 0660 root:spinifex (group-scoped, no world access)"
|
|
|
|
# Persist across restarts of both daemons. Rewritten unconditionally: an existing
|
|
# file is the old 0666 override, and skipping would leave that exposure in place.
|
|
# openvswitch-ipsec is included because Step 10 restarts it after this sweep,
|
|
# so its ctl socket would otherwise be the one file left at the shipped mode.
|
|
for unit in openvswitch-switch:/var/run/openvswitch/db.sock \
|
|
"ovn-controller:/var/run/ovn/*.ctl" \
|
|
"openvswitch-ipsec:/var/run/openvswitch/ovs-monitor-ipsec.*.ctl"; do
|
|
UNIT="${unit%%:*}"
|
|
WAIT_GLOB="${unit#*:}"
|
|
OVERRIDE_DIR="/etc/systemd/system/${UNIT}.service.d"
|
|
sudo mkdir -p "$OVERRIDE_DIR"
|
|
sudo tee "$OVERRIDE_DIR/spinifex-perms.conf" >/dev/null <<OVERRIDE
|
|
[Service]
|
|
ExecStartPost=$PERMS_HELPER "$WAIT_GLOB"
|
|
OVERRIDE
|
|
echo " systemd override: ${UNIT}.service.d/spinifex-perms.conf"
|
|
done
|
|
sudo systemctl daemon-reload
|
|
|
|
# Sudoers rules for spinifex-daemon and spinifex-vpcd are managed by setup.sh
|
|
# (install_sudoers). Skip writing here to avoid conflicts.
|
|
SUDOERS_FILE="/etc/sudoers.d/spinifex-network"
|
|
if [ -f "$SUDOERS_FILE" ]; then
|
|
echo " sudoers rule: already exists ($SUDOERS_FILE, managed by setup.sh)"
|
|
else
|
|
echo " sudoers rule: not found — run setup.sh first, or install manually"
|
|
fi
|
|
|
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# --- Step 9: Configure OVN log rotation ---
|
|
# The ovn-common package provides /etc/logrotate.d/ovn-common which handles
|
|
# rotation and vlog/reopen. We just add maxsize + rotate to cap disk usage.
|
|
echo ""
|
|
echo "Step 9: Configuring OVN log rotation..."
|
|
|
|
OVN_LOGROTATE="/etc/logrotate.d/ovn-common"
|
|
if [ -f "$OVN_LOGROTATE" ]; then
|
|
if ! grep -q 'maxsize' "$OVN_LOGROTATE"; then
|
|
sudo sed -i '/^\/var\/log\/ovn\/\*\.log {/a\ rotate 5\n maxsize 100M' "$OVN_LOGROTATE"
|
|
echo " added maxsize 100M + rotate 5 to $OVN_LOGROTATE"
|
|
else
|
|
echo " $OVN_LOGROTATE already has maxsize configured"
|
|
fi
|
|
else
|
|
echo " WARNING: $OVN_LOGROTATE not found — install ovn-common package"
|
|
fi
|
|
|
|
# Remove our old custom config if present (superseded by patching ovn-common)
|
|
if [ -f /etc/logrotate.d/ovn-spinifex ]; then
|
|
sudo rm -f /etc/logrotate.d/ovn-spinifex
|
|
echo " removed obsolete /etc/logrotate.d/ovn-spinifex"
|
|
fi
|
|
|
|
# --- Step 10: Enable auto-start on boot ---
|
|
# OVN services should start with the system in production. ovn-controller
|
|
# retries when the SB DB isn't ready; file log level is set to WARN (Step 5)
|
|
# to prevent log spam during those retries.
|
|
echo ""
|
|
echo "Step 10: Enabling OVN auto-start on boot..."
|
|
sudo systemctl enable openvswitch-switch 2>/dev/null || true
|
|
sudo systemctl enable ovn-controller 2>/dev/null || true
|
|
# ovs-monitor-ipsec drives strongSwan from OVS DB cert pointers. The daemon's
|
|
# enableOVNIPSec() flips ipsec_encapsulation=true at runtime and silently drops
|
|
# tunnel traffic if this unit isn't already up — enable at provision time so
|
|
# daemon never needs systemd-write capability (only is-active read).
|
|
sudo systemctl enable openvswitch-ipsec.service 2>/dev/null || true
|
|
# When openvswitch-ipsec is installed before strongswan-starter, the deb
|
|
# post-install starts the service against a missing /usr/sbin/ipsec and
|
|
# leaves it in 'failed' state. Clear the failure and restart unconditionally
|
|
# now that strongswan-starter is present.
|
|
sudo systemctl reset-failed openvswitch-ipsec.service 2>/dev/null || true
|
|
sudo systemctl restart openvswitch-ipsec.service 2>/dev/null || true
|
|
echo " openvswitch-switch: enabled on boot"
|
|
echo " ovn-controller: enabled on boot"
|
|
echo " openvswitch-ipsec: enabled on boot"
|
|
|
|
# --- Step 11: Health check ---
|
|
echo ""
|
|
echo "Step 11: Verifying setup..."
|
|
|
|
OK=true
|
|
|
|
# Check br-int
|
|
if sudo ovs-vsctl br-exists br-int; then
|
|
echo " br-int: OK"
|
|
else
|
|
echo " br-int: FAILED"
|
|
OK=false
|
|
fi
|
|
|
|
# Check WAN bridge (only if configured)
|
|
if [ -n "$WAN_BRIDGE" ]; then
|
|
if sudo ovs-vsctl br-exists "$WAN_BRIDGE"; then
|
|
echo " $WAN_BRIDGE:$(printf '%*s' $((15 - ${#WAN_BRIDGE})) '') OK"
|
|
if [ "$WAN_BRIDGE_MODE" = "veth" ]; then
|
|
if ip link show veth-wan-br >/dev/null 2>&1 && ip link show veth-wan-ovs >/dev/null 2>&1; then
|
|
echo " veth pair: OK (veth-wan-br ↔ veth-wan-ovs)"
|
|
echo " linux bridge: $LINUX_BRIDGE (untouched)"
|
|
else
|
|
echo " veth pair: FAILED (veth-wan-br/veth-wan-ovs not found)"
|
|
OK=false
|
|
fi
|
|
elif [ "$WAN_BRIDGE_MODE" = "direct" ]; then
|
|
if sudo ovs-vsctl port-to-br "$WAN_IFACE" >/dev/null 2>&1; then
|
|
echo " direct bridge: OK ($WAN_IFACE on $WAN_BRIDGE)"
|
|
else
|
|
echo " direct bridge: FAILED ($WAN_IFACE not on $WAN_BRIDGE)"
|
|
OK=false
|
|
fi
|
|
fi
|
|
else
|
|
echo " $WAN_BRIDGE:$(printf '%*s' $((15 - ${#WAN_BRIDGE})) '') FAILED"
|
|
OK=false
|
|
fi
|
|
fi
|
|
|
|
# Check mgmt bridge (only if enabled)
|
|
if [ "$MGMT_BRIDGE_ENABLED" = true ]; then
|
|
if sudo ovs-vsctl br-exists "$MGMT_BRIDGE"; then
|
|
MGMT_IP_ACTUAL=$(ip -4 -o addr show dev "$MGMT_BRIDGE" 2>/dev/null | awk '{print $4}' | head -1)
|
|
echo " $MGMT_BRIDGE:$(printf '%*s' $((15 - ${#MGMT_BRIDGE})) '') OK (${MGMT_IP_ACTUAL:-no IP})"
|
|
else
|
|
echo " $MGMT_BRIDGE:$(printf '%*s' $((15 - ${#MGMT_BRIDGE})) '') FAILED"
|
|
OK=false
|
|
fi
|
|
fi
|
|
|
|
# Check ovn-controller
|
|
if sudo ovs-appctl -t ovn-controller version >/dev/null 2>&1 || systemctl is-active --quiet ovn-controller 2>/dev/null; then
|
|
echo " ovn-controller: OK"
|
|
else
|
|
echo " ovn-controller: FAILED (may still be starting)"
|
|
OK=false
|
|
fi
|
|
|
|
# Check chassis registration (may take a moment)
|
|
if [ "$MANAGEMENT" = true ]; then
|
|
sleep 2
|
|
CHASSIS_COUNT=$(sudo ovn-sbctl show 2>/dev/null | grep -c "Chassis" || true)
|
|
echo " chassis count: $CHASSIS_COUNT"
|
|
fi
|
|
|
|
echo ""
|
|
if [ "$OK" = true ]; then
|
|
echo "=== OVN compute node setup complete ==="
|
|
else
|
|
echo "=== Setup completed with warnings (check above) ==="
|
|
fi
|