mirror of
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108 lines
2.2 KiB
Go
108 lines
2.2 KiB
Go
package alerting
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import (
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"sync"
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"time"
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"github.com/grafana/grafana/pkg/bus"
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m "github.com/grafana/grafana/pkg/models"
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)
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type RuleReader interface {
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Fetch() []m.AlertRule
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}
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type AlertRuleReader struct {
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sync.RWMutex
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serverID string
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serverPosition int
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clusterSize int
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}
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func NewRuleReader() *AlertRuleReader {
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rrr := &AlertRuleReader{}
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go rrr.initReader()
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return rrr
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}
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var (
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alertJobs []m.AlertRule
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)
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func (arr *AlertRuleReader) Fetch() []m.AlertRule {
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return alertJobs
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}
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func (arr *AlertRuleReader) initReader() {
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alertJobs = make([]m.AlertRule, 0)
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heartbeat := time.NewTicker(time.Second * 10)
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arr.updateRules()
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for {
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select {
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case <-heartbeat.C:
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arr.updateRules()
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}
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}
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}
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func (arr *AlertRuleReader) updateRules() {
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arr.Lock()
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defer arr.Unlock()
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/*
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rules = []m.AlertRule{
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//{Id: 1, Title: "alert rule 1", Interval: "10s", Frequency: 10},
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//{Id: 2, Title: "alert rule 2", Interval: "10s", Frequency: 10},
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//{Id: 3, Title: "alert rule 3", Interval: "10s", Frequency: 10},
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//{Id: 4, Title: "alert rule 4", Interval: "10s", Frequency: 5},
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//{Id: 5, Title: "alert rule 5", Interval: "10s", Frequency: 5},
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{
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Id: 1,
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OrgId: 1,
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Title: "alert rule 1",
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Frequency: 3,
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DatasourceId: 1,
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WarnOperator: ">",
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WarnLevel: 3,
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CritOperator: ">",
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CritLevel: 4,
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Aggregator: "avg",
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//Query: `{"refId":"A","target":"statsd.fakesite.counters.session_start.*.count","textEditor":true}"`,
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Query: `{"hide":false,"refId":"A","target":"aliasByNode(statsd.fakesite.counters.session_start.*.count, 4)","textEditor":false}`,
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QueryRange: 3600,
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},
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}
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*/
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cmd := &m.GetAlertsQuery{
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OrgId: 1,
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}
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err := bus.Dispatch(cmd)
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if err == nil {
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alertJobs = cmd.Result
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}
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}
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func (arr *AlertRuleReader) heartBeat() {
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//Lets cheat on this until we focus on clustering
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//log.Info("Heartbeat: Sending heartbeat from " + this.serverId)
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arr.clusterSize = 1
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arr.serverPosition = 1
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/*
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cmd := &m.HeartBeatCommand{ServerId: this.serverId}
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err := bus.Dispatch(cmd)
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if err != nil {
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log.Error(1, "Failed to send heartbeat.")
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} else {
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this.clusterSize = cmd.Result.ClusterSize
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this.serverPosition = cmd.Result.UptimePosition
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}
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*/
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}
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