mirror of
https://github.com/shankar0123/certctl.git
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shankar0123
bcf2c3ae92
Pre-2.1.0 adoption polish delivering all four milestones: A) Demo Data Overhaul — seed_demo.sql rewritten with 35 certs across 5 issuers, 8 agents, 8 targets, 50+ jobs spanning 90 days, 55+ audit events, discovery scans, network scan targets, S/MIME cert. B) Examples Directory — 5 turnkey docker-compose configs: acme-nginx, acme-wildcard-dns01, private-ca-traefik, step-ca-haproxy, multi-issuer. C) Migration Guides — migrate-from-certbot.md, migrate-from-acmesh.md, certctl-for-cert-manager-users.md. D) Agent Install Script — install-agent.sh with cross-platform support (Linux systemd + macOS launchd), release.yml updated for 6-target cross-compilation. Triple-audited against codebase: 22 factual corrections applied across docs, examples, and config (env var names, CLI flags, ports, DNS hook interface, scheduler loop counts, license conversion date). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
87 lines
2.9 KiB
Bash
87 lines
2.9 KiB
Bash
#!/bin/bash
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#
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# Cloudflare DNS-01 Challenge Script (CLEANUP)
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#
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# This script removes a DNS TXT record after ACME DNS-01 challenge validation.
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# Called by certctl after certificate issuance to clean up temporary challenge records.
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#
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# certctl sets these environment variables before invoking this script:
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# CERTCTL_DNS_DOMAIN - Base domain (e.g., "example.com")
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# CERTCTL_DNS_FQDN - Full challenge FQDN (e.g., "_acme-challenge.example.com")
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# CERTCTL_DNS_VALUE - Challenge value/token that was in the TXT record
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#
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# You must set these environment variables before running:
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# CLOUDFLARE_API_TOKEN - Cloudflare API token with DNS:write permission
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# CLOUDFLARE_ZONE_ID - Cloudflare zone ID for your domain
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#
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# Error Handling:
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# This script exits 0 on success, non-zero on failure.
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# If cleanup fails, certctl logs the error but doesn't block renewals.
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#
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set -euo pipefail
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# Get values from certctl environment variables
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DOMAIN="${CERTCTL_DNS_DOMAIN:-}"
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RECORD_NAME="${CERTCTL_DNS_FQDN:-}"
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VALIDATION_TOKEN="${CERTCTL_DNS_VALUE:-}"
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# Validate inputs
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if [[ -z "$DOMAIN" || -z "$RECORD_NAME" || -z "$VALIDATION_TOKEN" ]]; then
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echo "Error: Required certctl environment variables not set (CERTCTL_DNS_DOMAIN, CERTCTL_DNS_FQDN, CERTCTL_DNS_VALUE)" >&2
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exit 1
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fi
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# Validate environment
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if [[ -z "${CLOUDFLARE_API_TOKEN:-}" ]]; then
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echo "Error: CLOUDFLARE_API_TOKEN environment variable not set" >&2
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exit 1
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fi
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if [[ -z "${CLOUDFLARE_ZONE_ID:-}" ]]; then
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echo "Error: CLOUDFLARE_ZONE_ID environment variable not set" >&2
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exit 1
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fi
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# Validate RECORD_NAME (set by certctl above)
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RECORD_TYPE="TXT"
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# Cloudflare API endpoint
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CF_API="https://api.cloudflare.com/client/v4"
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CF_ZONE="$CLOUDFLARE_ZONE_ID"
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CF_TOKEN="$CLOUDFLARE_API_TOKEN"
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echo "[certctl DNS-01] Cleaning up DNS record: $RECORD_NAME"
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# Step 1: Find the record ID
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RECORD_ID=$(curl -s -X GET \
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"$CF_API/zones/$CF_ZONE/dns_records?name=$RECORD_NAME&type=$RECORD_TYPE" \
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-H "Authorization: Bearer $CF_TOKEN" \
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-H "Content-Type: application/json" \
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| jq -r '.result | if length > 0 then .[0].id else "" end')
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if [[ -z "$RECORD_ID" ]]; then
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echo "[certctl DNS-01] Record not found (already deleted?). Skipping cleanup."
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exit 0
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fi
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# Step 2: Delete the record (DELETE /zones/{zone_id}/dns_records/{record_id})
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echo "[certctl DNS-01] Deleting DNS record (ID: $RECORD_ID)..."
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RESPONSE=$(curl -s -X DELETE \
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"$CF_API/zones/$CF_ZONE/dns_records/$RECORD_ID" \
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-H "Authorization: Bearer $CF_TOKEN" \
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-H "Content-Type: application/json")
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# Check response success
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SUCCESS=$(echo "$RESPONSE" | jq -r '.success')
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if [[ "$SUCCESS" != "true" ]]; then
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ERROR=$(echo "$RESPONSE" | jq -r '.errors[0].message // "Unknown error"')
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echo "Warning: Cloudflare API failed to delete record: $ERROR" >&2
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# Don't exit 1 here — DNS cleanup is best-effort; cleanup failures shouldn't block certs
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exit 0
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fi
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echo "[certctl DNS-01] Successfully deleted DNS record"
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exit 0
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