feat(server): monitor model + checker package

2026-07-21 14:10:46 +01:00
parent ca2c05db14
commit e019493087
2 changed files with 299 additions and 0 deletions
@@ -0,0 +1,77 @@
+package models
+
+import (
+	"time"
+
+	"go.mongodb.org/mongo-driver/v2/bson"
+)
+
+// Monitor check types.
+const (
+	MonitorHTTP = "http"
+	MonitorTCP  = "tcp"
+	MonitorICMP = "icmp"
+	MonitorTLS  = "tls"
+)
+
+// Monitor status values.
+const (
+	StatusUp      = "up"
+	StatusDown    = "down"
+	StatusPending = "pending"
+)
+
+// RunnerServer is the reserved Runner value for server-run monitors. Any other
+// value is treated as a server_id whose agent runs the check locally.
+const RunnerServer = "server"
+
+type MonitorTarget struct {
+	URL            string `bson:"url,omitempty" json:"url,omitempty"`
+	Host           string `bson:"host,omitempty" json:"host,omitempty"`
+	Port           int    `bson:"port,omitempty" json:"port,omitempty"`
+	Method         string `bson:"method,omitempty" json:"method,omitempty"`
+	ExpectedStatus int    `bson:"expected_status,omitempty" json:"expected_status,omitempty"`
+	Keyword        string `bson:"keyword,omitempty" json:"keyword,omitempty"`
+	TLSWarnDays    int    `bson:"tls_warn_days,omitempty" json:"tls_warn_days,omitempty"`
+}
+
+type MonitorState struct {
+	Status         string     `bson:"status" json:"status"` // up|down|pending
+	LastCheckAt    *time.Time `bson:"last_check_at,omitempty" json:"last_check_at,omitempty"`
+	LatencyMs      int        `bson:"latency_ms" json:"latency_ms"`
+	Message        string     `bson:"message,omitempty" json:"message,omitempty"`
+	CertExpiryAt   *time.Time `bson:"cert_expiry_at,omitempty" json:"cert_expiry_at,omitempty"`
+	Fails          int        `bson:"fails" json:"fails"` // consecutive failures
+	LastNotifiedAt *time.Time `bson:"last_notified_at,omitempty" json:"last_notified_at,omitempty"`
+}
+
+type Monitor struct {
+	ID          bson.ObjectID `bson:"_id,omitempty" json:"_id,omitempty"`
+	MonitorID   string        `bson:"monitor_id" json:"monitor_id"`
+	Name        string        `bson:"name" json:"name"`
+	Type        string        `bson:"type" json:"type"` // http|tcp|icmp|tls
+	Target      MonitorTarget `bson:"target" json:"target"`
+	IntervalSec int           `bson:"interval_sec" json:"interval_sec"`
+	Runner      string        `bson:"runner" json:"runner"` // "server" or a server_id
+	Retries     int           `bson:"retries" json:"retries"` // consecutive fails before down
+	Enabled     bool          `bson:"enabled" json:"enabled"`
+	ChannelIDs  []string      `bson:"channel_ids,omitempty" json:"channel_ids,omitempty"`
+	State       MonitorState  `bson:"state" json:"state"`
+	CreatedAt   time.Time     `bson:"created_at" json:"created_at"`
+}
+
+type Incident struct {
+	IncidentID string     `bson:"incident_id" json:"incident_id"`
+	MonitorID  string     `bson:"monitor_id" json:"monitor_id"`
+	StartedAt  time.Time  `bson:"started_at" json:"started_at"`
+	ResolvedAt *time.Time `bson:"resolved_at,omitempty" json:"resolved_at,omitempty"`
+	Cause      string     `bson:"cause,omitempty" json:"cause,omitempty"`
+}
+
+type Rollup struct {
+	MonitorID   string    `bson:"monitor_id" json:"monitor_id"`
+	PeriodStart time.Time `bson:"period_start" json:"period_start"` // hour bucket
+	Checks      int       `bson:"checks" json:"checks"`
+	UpCount     int       `bson:"up_count" json:"up_count"`
+	SumLatency  int64     `bson:"sum_latency" json:"sum_latency"`
+}