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billing: cope with spy-interval set longer than publish-interval

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This commit is contained in:
Bryan Boreham
2020-06-08 17:16:01 +00:00
parent f16f321c78
commit 70240fc82d
2 changed files with 23 additions and 6 deletions
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28
app/multitenant/billing_emitter.go
View File

@@ -119,15 +119,31 @@ func (e *BillingEmitter) Add(ctx context.Context, rep report.Report, buf []byte)
return e.Collector.Add(ctx, rep, buf)
}
func intervalFromCommand(cmd string) string {
if strings.Contains(cmd, "scope") &&
strings.Contains(cmd, "probe.publish.interval") {
cmds := strings.SplitAfter(cmd, "probe.publish.interval")
func commandParameter(cmd, flag string) (string, bool) {
if strings.Contains(cmd, flag) {
cmds := strings.SplitAfter(cmd, flag)
aft := strings.Split(cmds[1], " ")
if aft[0] == "" {
return aft[1]
return aft[1], true
}
return aft[0][1:], true
}
return "", false
}
func intervalFromCommand(cmd string) string {
if strings.Contains(cmd, "scope") {
if publishInterval, ok := commandParameter(cmd, "probe.publish.interval"); ok {
// If spy interval is higher than publish interval, some reports will have no process data
if spyInterval, ok := commandParameter(cmd, "spy.interval"); ok {
pubDuration, err1 := time.ParseDuration(publishInterval)
spyDuration, err2 := time.ParseDuration(spyInterval)
if err1 == nil && err2 == nil && spyDuration > pubDuration {
return spyInterval
}
}
return publishInterval
}
return aft[0][1:]
}
return ""
}

1
app/multitenant/billing_emitter_test.go
View File

@@ -12,6 +12,7 @@ func Test_intervalFromCommand(t *testing.T) {
{cmd: "/home/weave/scope --mode=probe --probe-only --probe.kubernetes=true --probe.spy.interval=3s --probe.publish.interval 5s --probe.processes=false --probe.conntrack=false --probe.ebpf.connections=false --probe.docker.bridge=docker0 --probe.docker=true https://redacted@cloud.weave.works.", want: "5s", name: "space"},
{cmd: "/home/weave/scope --mode=probe --no-app --probe.docker=true --probe.kubernetes.role=host --weave=false --probe.publish.interval=4500ms --probe.spy.interval=2s --probe.http.listen=:4041 --probe.conntrack.buffersize=4194304 https://redacted@cloud.weave.works scope.weave.svc.cluster.local:80", want: "4500ms", name: "miliseconds"},
{cmd: "/home/weave/scope --mode=probe --no-app --probe.docker=true --probe.kubernetes.role=host --weave=false --probe.spy.interval=2s --probe.http.listen=:4041 --probe.conntrack.buffersize=4194304 https://redacted@cloud.weave.works scope.weave.svc.cluster.local:80", want: "", name: "notset"},
{cmd: "/home/weave/scope --mode=probe --probe-only --probe.kubernetes.role=host --probe.publish.interval=4500ms --probe.spy.interval=10s --probe.docker.bridge=docker0 --probe.docker=true --probe.ebpf.connections=false --probe.conntrack=false https://redacted@cloud.weave.works.", want: "10s", name: "higher-spy-interval"},
{cmd: "/bin/prometheus --config.file=/etc/prometheus/prometheus.yml --web.listen-address=:8080 --storage.tsdb.retention.time=2h --web.enable-lifecycle", want: "", name: "notscope"},
{cmd: "", want: "", name: "blank"},
}