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feat: immediate sandbox reconciliation on host reconnect

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When a host transitions from unreachable → online via heartbeat, trigger
ReconcileHost in a background goroutine so "missing" sandboxes are
resolved instantly instead of waiting up to 60s for the next monitor tick.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Rafeed M. Bhuiyan
2026-05-16 16:15:49 +06:00
parent e34bcedc31
commit 3671af2498
4 changed files with 32 additions and 8 deletions
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11
internal/api/handlers_hosts.go
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@ -1,6 +1,7 @@
package api
import (
"context"
"errors"
"log/slog"
"net/http"
@ -21,10 +22,11 @@ type hostHandler struct {
svc *service.HostService
queries *db.Queries
audit *audit.AuditLogger
monitor *HostMonitor
}
func newHostHandler(svc *service.HostService, queries *db.Queries, al *audit.AuditLogger) *hostHandler {
return &hostHandler{svc: svc, queries: queries, audit: al}
func newHostHandler(svc *service.HostService, queries *db.Queries, al *audit.AuditLogger, monitor *HostMonitor) *hostHandler {
return &hostHandler{svc: svc, queries: queries, audit: al, monitor: monitor}
}
// Request/response types.
@ -426,9 +428,12 @@ func (h *hostHandler) Heartbeat(w http.ResponseWriter, r *http.Request) {
return
}
// Log marked_up if the host just recovered from unreachable.
// If the host just recovered from unreachable, log it and trigger immediate
// reconciliation so "missing" sandboxes are resolved without waiting for the
// next monitor tick.
if prevHost.Status == "unreachable" {
h.audit.LogHostMarkedUp(r.Context(), prevHost.TeamID, hc.HostID)
go h.monitor.ReconcileHost(context.Background(), hc.HostID)
}
w.WriteHeader(http.StatusNoContent)