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feat: M10 — agent metadata collection, Apache httpd + HAProxy target connectors

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Agents now report OS, architecture, IP address, hostname, and version
via heartbeat using runtime.GOOS, runtime.GOARCH, and net.Dial. New
migration adds columns to agents table. Heartbeat handler, service,
and repository updated to accept and persist metadata. GUI shows
OS/Arch in agent list and full system info in agent detail page.

Apache httpd connector: separate cert/chain/key files, apachectl
configtest validation, graceful reload. HAProxy connector: combined
PEM file (cert+chain+key), optional config validation, reload.
Both wired into agent binary's target connector switch.

14 tests for new connectors. All existing tests updated for new
Heartbeat/UpdateHeartbeat signatures. Docs updated across README,
architecture, concepts, and connectors guides.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
shankar0123
2026-03-20 02:19:28 -04:00
parent e06ea310a8
commit 07275bf92f
24 changed files with 1087 additions and 70 deletions
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internal/api/handler/agents.go
+25 -2
View File
@@ -15,7 +15,7 @@ type AgentService interface {
ListAgents(page, perPage int) ([]domain.Agent, int64, error)
GetAgent(id string) (*domain.Agent, error)
RegisterAgent(agent domain.Agent) (*domain.Agent, error)
Heartbeat(agentID string) error
Heartbeat(agentID string, metadata *domain.AgentMetadata) error
CSRSubmit(agentID string, csrPEM string) (string, error)
CSRSubmitForCert(agentID string, certID string, csrPEM string) (string, error)
CertificatePickup(agentID, certID string) (string, error)
@@ -159,7 +159,30 @@ func (h AgentHandler) Heartbeat(w http.ResponseWriter, r *http.Request) {
}
agentID := parts[0]
if err := h.svc.Heartbeat(agentID); err != nil {
// Parse optional metadata from request body
var metadata *domain.AgentMetadata
if r.Body != nil {
var body struct {
Version string `json:"version"`
Hostname string `json:"hostname"`
OS string `json:"os"`
Architecture string `json:"architecture"`
IPAddress string `json:"ip_address"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err == nil {
if body.Version != "" || body.Hostname != "" || body.OS != "" || body.Architecture != "" || body.IPAddress != "" {
metadata = &domain.AgentMetadata{
Version: body.Version,
Hostname: body.Hostname,
OS: body.OS,
Architecture: body.Architecture,
IPAddress: body.IPAddress,
}
}
}
}
if err := h.svc.Heartbeat(agentID, metadata); err != nil {
ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to record heartbeat", requestID)
return
}