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Alertmanager: Support limits for silences (#90826)

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* Alertmanager: support limits for silences

* update grafana/alerting to latest main
pull/90891/head
Santiago 11 months ago committed by GitHub
parent 7180f8a7d1
commit b79b38f02c
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GPG Key ID: B5690EEEBB952194
13 changed files with 64 additions and 45 deletions
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  1. 6
      conf/defaults.ini
  2. 7
      conf/sample.ini
  3. 2
      go.mod
  4. 4
      go.sum
  5. 5
      go.work.sum
  6. 2
      pkg/apiserver/go.mod
  7. 2
      pkg/apiserver/go.sum
  8. 2
      pkg/build/go.mod
  9. 3
      pkg/build/go.sum
  10. 4
      pkg/promlib/go.mod
  11. 6
      pkg/promlib/go.sum
  12. 4
      pkg/services/ngalert/notifier/alertmanager.go
  13. 62
      pkg/setting/setting_unified_alerting.go

6
conf/defaults.ini
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@ -1199,6 +1199,12 @@ admin_config_poll_interval = 60s
# The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
alertmanager_config_poll_interval = 60s
# Maximum number of active and pending silences that a tenant can have at once. Default: 0 (no limit).
alertmanager_max_silences_count =
# Maximum silence size in bytes. Default: 0 (no limit).
alertmanager_max_silence_size_bytes =
# Set to true when using redis in cluster mode.
ha_redis_cluster_mode_enabled = false

7
conf/sample.ini
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@ -1185,6 +1185,13 @@
# The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
;alertmanager_config_poll_interval = 60s
# Maximum number of active and pending silences that a tenant can have at once. Default: 0 (no limit).
;alertmanager_max_silences_count =
# Maximum silence size in bytes. Default: 0 (no limit).
;alertmanager_max_silence_size_bytes =
# Set to true when using redis in cluster mode.
;ha_redis_cluster_mode_enabled = false

2
go.mod
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@ -74,7 +74,7 @@ require (
github.com/googleapis/gax-go/v2 v2.12.3 // @grafana/grafana-backend-group
github.com/gorilla/mux v1.8.1 // @grafana/grafana-backend-group
github.com/gorilla/websocket v1.5.0 // @grafana/grafana-app-platform-squad
github.com/grafana/alerting v0.0.0-20240712142914-5558735b4462 // @grafana/alerting-backend
github.com/grafana/alerting v0.0.0-20240723124849-f2ab7c7b8f7d // @grafana/alerting-backend
github.com/grafana/authlib v0.0.0-20240711083030-f139ff397f7b // @grafana/identity-access-team
github.com/grafana/codejen v0.0.3 // @grafana/dataviz-squad
github.com/grafana/cuetsy v0.1.11 // @grafana/grafana-as-code

4
go.sum
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@ -2303,8 +2303,8 @@ github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/grafana/alerting v0.0.0-20240712142914-5558735b4462 h1:MWpvVoPcSej4YfxSIuAllr9vg0UgVEG5CQifD5fK+ps=
github.com/grafana/alerting v0.0.0-20240712142914-5558735b4462/go.mod h1:DLj8frbtCaITljC2jc0L85JQViPF3mPfOSiYhm1osso=
github.com/grafana/alerting v0.0.0-20240723124849-f2ab7c7b8f7d h1:d2NZeTs+zBPVMd8uOOV5+6lyfs0BCDKxtiNxIMjnPNA=
github.com/grafana/alerting v0.0.0-20240723124849-f2ab7c7b8f7d/go.mod h1:DLj8frbtCaITljC2jc0L85JQViPF3mPfOSiYhm1osso=
github.com/grafana/authlib v0.0.0-20240711083030-f139ff397f7b h1:gSVS/MIIP3C9ZbGaboOCtzDm3D5roR4m6NDkxyAMjyI=
github.com/grafana/authlib v0.0.0-20240711083030-f139ff397f7b/go.mod h1:+MjD5sxxgLOIvw0ox18wJmjBzz8tOECo7quiiZAmgJY=
github.com/grafana/codejen v0.0.3 h1:tAWxoTUuhgmEqxJPOLtJoxlPBbMULFwKFOcRsPRPXDw=

5
go.work.sum
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@ -396,11 +396,11 @@ github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
github.com/gorilla/handlers v1.5.1 h1:9lRY6j8DEeeBT10CvO9hGW0gmky0BprnvDI5vfhUHH4=
github.com/gorilla/handlers v1.5.1/go.mod h1:t8XrUpc4KVXb7HGyJ4/cEnwQiaxrX/hz1Zv/4g96P1Q=
github.com/grafana/alerting v0.0.0-20240712142914-5558735b4462 h1:MWpvVoPcSej4YfxSIuAllr9vg0UgVEG5CQifD5fK+ps=
github.com/grafana/alerting v0.0.0-20240712142914-5558735b4462/go.mod h1:DLj8frbtCaITljC2jc0L85JQViPF3mPfOSiYhm1osso=
github.com/grafana/authlib v0.0.0-20240611075137-331cbe4e840f/go.mod h1:+MjD5sxxgLOIvw0ox18wJmjBzz8tOECo7quiiZAmgJY=
github.com/grafana/e2e v0.1.1 h1:/b6xcv5BtoBnx8cZnCiey9DbjEc8z7gXHO5edoeRYxc=
github.com/grafana/e2e v0.1.1/go.mod h1:RpNLgae5VT+BUHvPE+/zSypmOXKwEu4t+tnEMS1ATaE=
github.com/grafana/grafana-cloud-migration-snapshot v1.2.0 h1:FCUWASPPzGGbF2jTutR5i3rmoQdmnC4bypwJswdW3fI=
github.com/grafana/grafana-cloud-migration-snapshot v1.2.0/go.mod h1:bd6Cm06EK0MzRO5ahUpbDz1SxNOKu+fzladbaRPHZPY=
github.com/grafana/grafana/pkg/apimachinery v0.0.0-20240701135906-559738ce6ae1/go.mod h1:DkxMin+qOh1Fgkxfbt+CUfBqqsCQJMG9op8Os/irBPA=
github.com/grafana/grafana-azure-sdk-go/v2 v2.1.0 h1:lajVqTWaE96MpbjZToj7EshvqgRWOfYNkD4MbIZizaY=
github.com/grafana/grafana-azure-sdk-go/v2 v2.1.0/go.mod h1:aKlFPE36IDa8qccRg3KbgZX3MQ5xymS3RelT4j6kkVU=
@ -843,6 +843,7 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237/go.
google.golang.org/genproto/googleapis/rpc v0.0.0-20240513163218-0867130af1f8/go.mod h1:I7Y+G38R2bu5j1aLzfFmQfTcU/WnFuqDwLZAbvKTKpM=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240624140628-dc46fd24d27d/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0 h1:M1YKkFIboKNieVO5DLUEVzQfGwJD30Nv2jfUgzb5UcE=
google.golang.org/protobuf v1.34.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=

2
pkg/apiserver/go.mod
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@ -64,7 +64,7 @@ require (
golang.org/x/tools v0.22.0 // indirect
google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
google.golang.org/grpc v1.64.0 // indirect
google.golang.org/grpc v1.64.1 // indirect
google.golang.org/protobuf v1.34.2 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect

2
pkg/apiserver/go.sum
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@ -85,7 +85,7 @@ golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY=
google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 h1:0+ozOGcrp+Y8Aq8TLNN2Aliibms5LEzsq99ZZmAGYm0=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 h1:BwIjyKYGsK9dMCBOorzRri8MQwmi7mT9rGHsCEinZkA=
google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=

2
pkg/build/go.mod
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@ -46,7 +46,7 @@ require (
golang.org/x/time v0.5.0 // indirect; @grafana/grafana-backend-group
golang.org/x/tools v0.22.0 // indirect; @grafana/grafana-as-code
google.golang.org/api v0.176.0 // @grafana/grafana-backend-group
google.golang.org/grpc v1.64.0 // indirect; @grafana/plugins-platform-backend
google.golang.org/grpc v1.64.1 // indirect; @grafana/plugins-platform-backend
google.golang.org/protobuf v1.34.2 // indirect; @grafana/plugins-platform-backend
gopkg.in/yaml.v3 v3.0.1 // @grafana/alerting-backend
)

3
pkg/build/go.sum
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@ -345,8 +345,7 @@ google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQ
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=

4
pkg/promlib/go.mod
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@ -3,7 +3,7 @@ module github.com/grafana/grafana/pkg/promlib
go 1.21.10
require (
github.com/grafana/grafana-plugin-sdk-go v0.238.0
github.com/grafana/grafana-plugin-sdk-go v0.240.0
github.com/json-iterator/go v1.1.12
github.com/patrickmn/go-cache v2.1.0+incompatible
github.com/prometheus/client_golang v1.19.1
@ -117,7 +117,7 @@ require (
gonum.org/v1/gonum v0.14.0 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
google.golang.org/grpc v1.64.0 // indirect
google.golang.org/grpc v1.64.1 // indirect
google.golang.org/protobuf v1.34.2 // indirect
gopkg.in/fsnotify/fsnotify.v1 v1.4.7 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect

6
pkg/promlib/go.sum
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@ -94,8 +94,7 @@ github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
github.com/grafana/grafana-plugin-sdk-go v0.238.0 h1:+LPuhUCBiQJEd571+ymA4WsJiiafbRECdX67B6YYN64=
github.com/grafana/grafana-plugin-sdk-go v0.238.0/go.mod h1:4TgwJYqX8N27PIwEpa2gBEQyWsUW4rIQYGsrkhcgOgY=
github.com/grafana/grafana-plugin-sdk-go v0.240.0 h1:jhv2TqfBWoi5ZTksg/fdY5Mi8FDsaE8XGxjS1Rgi6nk=
github.com/grafana/otel-profiling-go v0.5.1 h1:stVPKAFZSa7eGiqbYuG25VcqYksR6iWvF3YH66t4qL8=
github.com/grafana/otel-profiling-go v0.5.1/go.mod h1:ftN/t5A/4gQI19/8MoWurBEtC6gFw8Dns1sJZ9W4Tls=
github.com/grafana/pyroscope-go/godeltaprof v0.1.7 h1:C11j63y7gymiW8VugJ9ZW0pWfxTZugdSJyC48olk5KY=
@ -347,8 +346,7 @@ google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 h1:
google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094/go.mod h1:fJ/e3If/Q67Mj99hin0hMhiNyCRmt6BQ2aWIJshUSJw=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 h1:BwIjyKYGsK9dMCBOorzRri8MQwmi7mT9rGHsCEinZkA=
google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

4
pkg/services/ngalert/notifier/alertmanager.go
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@ -127,6 +127,10 @@ func NewAlertmanager(ctx context.Context, orgID int64, cfg *setting.Cfg, store A
PeerTimeout: cfg.UnifiedAlerting.HAPeerTimeout,
Silences: silencesOptions,
Nflog: nflogOptions,
Limits: alertingNotify.Limits{
MaxSilences: cfg.UnifiedAlerting.AlertmanagerMaxSilencesCount,
MaxSilenceSizeBytes: cfg.UnifiedAlerting.AlertmanagerMaxSilenceSizeBytes,
},
}
l := log.New("ngalert.notifier.alertmanager", "org", orgID)

62
pkg/setting/setting_unified_alerting.go
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@ -68,35 +68,37 @@ const (
)
type UnifiedAlertingSettings struct {
AdminConfigPollInterval time.Duration
AlertmanagerConfigPollInterval time.Duration
HAListenAddr string
HAAdvertiseAddr string
HAPeers []string
HAPeerTimeout time.Duration
HAGossipInterval time.Duration
HAReconnectTimeout time.Duration
HAPushPullInterval time.Duration
HALabel string
HARedisClusterModeEnabled bool
HARedisAddr string
HARedisPeerName string
HARedisPrefix string
HARedisUsername string
HARedisPassword string
HARedisDB int
HARedisMaxConns int
HARedisTLSEnabled bool
HARedisTLSConfig dstls.ClientConfig
MaxAttempts int64
MinInterval time.Duration
EvaluationTimeout time.Duration
EvaluationResultLimit int
DisableJitter bool
ExecuteAlerts bool
DefaultConfiguration string
Enabled *bool // determines whether unified alerting is enabled. If it is nil then user did not define it and therefore its value will be determined during migration. Services should not use it directly.
DisabledOrgs map[int64]struct{}
AdminConfigPollInterval time.Duration
AlertmanagerConfigPollInterval time.Duration
AlertmanagerMaxSilenceSizeBytes int
AlertmanagerMaxSilencesCount int
HAListenAddr string
HAAdvertiseAddr string
HAPeers []string
HAPeerTimeout time.Duration
HAGossipInterval time.Duration
HAReconnectTimeout time.Duration
HAPushPullInterval time.Duration
HALabel string
HARedisClusterModeEnabled bool
HARedisAddr string
HARedisPeerName string
HARedisPrefix string
HARedisUsername string
HARedisPassword string
HARedisDB int
HARedisMaxConns int
HARedisTLSEnabled bool
HARedisTLSConfig dstls.ClientConfig
MaxAttempts int64
MinInterval time.Duration
EvaluationTimeout time.Duration
EvaluationResultLimit int
DisableJitter bool
ExecuteAlerts bool
DefaultConfiguration string
Enabled *bool // determines whether unified alerting is enabled. If it is nil then user did not define it and therefore its value will be determined during migration. Services should not use it directly.
DisabledOrgs map[int64]struct{}
// BaseInterval interval of time the scheduler updates the rules and evaluates rules.
// Only for internal use and not user configuration.
BaseInterval time.Duration
@ -229,6 +231,8 @@ func (cfg *Cfg) ReadUnifiedAlertingSettings(iniFile *ini.File) error {
if err != nil {
return err
}
uaCfg.AlertmanagerMaxSilenceSizeBytes = ua.Key("alertmanager_max_silence_size_bytes").MustInt(0)
uaCfg.AlertmanagerMaxSilencesCount = ua.Key("alertmanager_max_silences_count").MustInt(0)
uaCfg.HAPeerTimeout, err = gtime.ParseDuration(valueAsString(ua, "ha_peer_timeout", (alertmanagerDefaultPeerTimeout).String()))
if err != nil {
return err

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