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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
Download Patch File Download Diff File Expand all files Collapse all files
internal/api/handler/agent_handler_test.go
+5 -5
View File
@@ -16,7 +16,7 @@ type MockAgentService struct {
ListAgentsFn func(page, perPage int) ([]domain.Agent, int64, error)
GetAgentFn func(id string) (*domain.Agent, error)
RegisterAgentFn func(agent domain.Agent) (*domain.Agent, error)
HeartbeatFn func(agentID string) error
HeartbeatFn func(agentID string, metadata *domain.AgentMetadata) error
CSRSubmitFn func(agentID string, csrPEM string) (string, error)
CSRSubmitForCertFn func(agentID string, certID string, csrPEM string) (string, error)
CertificatePickupFn func(agentID, certID string) (string, error)
@@ -46,9 +46,9 @@ func (m *MockAgentService) RegisterAgent(agent domain.Agent) (*domain.Agent, err
return nil, nil
}
func (m *MockAgentService) Heartbeat(agentID string) error {
func (m *MockAgentService) Heartbeat(agentID string, metadata *domain.AgentMetadata) error {
if m.HeartbeatFn != nil {
return m.HeartbeatFn(agentID)
return m.HeartbeatFn(agentID, metadata)
}
return nil
}
@@ -309,7 +309,7 @@ func TestRegisterAgent_InvalidBody(t *testing.T) {
// Test Heartbeat - success case
func TestHeartbeat_Success(t *testing.T) {
mock := &MockAgentService{
HeartbeatFn: func(agentID string) error {
HeartbeatFn: func(agentID string, metadata *domain.AgentMetadata) error {
if agentID == "a-prod-001" {
return nil
}
@@ -341,7 +341,7 @@ func TestHeartbeat_Success(t *testing.T) {
// Test Heartbeat - service error
func TestHeartbeat_ServiceError(t *testing.T) {
mock := &MockAgentService{
HeartbeatFn: func(agentID string) error {
HeartbeatFn: func(agentID string, metadata *domain.AgentMetadata) error {
return ErrMockServiceFailed
},
}
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
}