Alerting: Support Unified Alerting with Grafana HA (#37920)

* Alerting: Support Unified Alerting in Grafana's HA mode.
2021-09-16 15:33:51 +01:00
parent 92209f1011
commit 7db97097c9
25 changed files with 6377 additions and 79 deletions
@@ -0,0 +1,57 @@
+package setting
+
+import (
+	"strings"
+	"time"
+
+	"github.com/grafana/grafana/pkg/components/gtime"
+
+	"github.com/prometheus/alertmanager/cluster"
+	"gopkg.in/ini.v1"
+)
+
+const (
+	AlertmanagerDefaultClusterAddr          = "0.0.0.0:9094"
+	AlertmanagerDefaultPeerTimeout          = 15 * time.Second
+	AlertmanagerDefaultGossipInterval       = cluster.DefaultGossipInterval
+	AlertmanagerDefaultPushPullInterval     = cluster.DefaultPushPullInterval
+	SchedulerDefaultAdminConfigPollInterval = 60 * time.Second
+	AlertmanagerDefaultConfigPollInterval   = 60 * time.Second
+)
+
+func (cfg *Cfg) ReadUnifiedAlertingSettings(iniFile *ini.File) error {
+	ua := iniFile.Section("unified_alerting")
+	var err error
+	cfg.AdminConfigPollInterval, err = gtime.ParseDuration(valueAsString(ua, "admin_config_poll_interval", (SchedulerDefaultAdminConfigPollInterval).String()))
+	if err != nil {
+		return err
+	}
+	cfg.AlertmanagerConfigPollInterval, err = gtime.ParseDuration(valueAsString(ua, "alertmanager_config_poll_interval", (AlertmanagerDefaultConfigPollInterval).String()))
+	if err != nil {
+		return err
+	}
+	cfg.HAPeerTimeout, err = gtime.ParseDuration(valueAsString(ua, "ha_peer_timeout", (AlertmanagerDefaultPeerTimeout).String()))
+	if err != nil {
+		return err
+	}
+	cfg.HAGossipInterval, err = gtime.ParseDuration(valueAsString(ua, "ha_gossip_interval", (AlertmanagerDefaultGossipInterval).String()))
+	if err != nil {
+		return err
+	}
+	cfg.HAPushPullInterval, err = gtime.ParseDuration(valueAsString(ua, "ha_push_pull_interval", (AlertmanagerDefaultPushPullInterval).String()))
+	if err != nil {
+		return err
+	}
+	cfg.HAListenAddr = ua.Key("ha_listen_address").MustString(AlertmanagerDefaultClusterAddr)
+	cfg.HAAdvertiseAddr = ua.Key("ha_advertise_address").MustString("")
+	peers := ua.Key("ha_peers").MustString("")
+	cfg.HAPeers = make([]string, 0)
+	if peers != "" {
+		for _, peer := range strings.Split(peers, ",") {
+			peer = strings.TrimSpace(peer)
+			cfg.HAPeers = append(cfg.HAPeers, peer)
+		}
+	}
+
+	return nil
+}