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Add functions to implement Thanos Receive split functionality #244
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bill3tt 2babb81
updates manifests & example
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add changelod
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bill3tt 330afb9
remove split library in favour of ingestor & router libs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| tmp | ||
| vendor/ | ||
| jsonnet/kube-thanos/jsonnetfile.lock.json | ||
| .idea/ |
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160 changes: 160 additions & 0 deletions
160
jsonnet/kube-thanos/kube-thanos-receive-split.libsonnet
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| local receiveConfigDefaults = import 'kube-thanos/kube-thanos-receive-default-params.libsonnet'; | ||
| local receiveHashring = import 'kube-thanos/kube-thanos-receive-hashrings.libsonnet'; | ||
|
|
||
| local defaults = receiveConfigDefaults { | ||
| hashrings: [{ | ||
| hashring: 'default', | ||
| tenants: [], | ||
| }], | ||
| hashringConfigmapName: 'hashring-config', | ||
| routerReplicas: 1, | ||
| }; | ||
|
|
||
| function(params) { | ||
| local tr = self, | ||
| // Combine the defaults and the passed params to make the component's config. | ||
| config:: defaults + params, | ||
|
|
||
| local ingestors = receiveHashring(tr.config { name: tr.config.name + '-ingestor' }), | ||
|
|
||
| ingestors: { | ||
| ['ingestor-' + name]: ingestors.hashrings[name] | ||
| for name in std.objectFields(ingestors.hashrings) | ||
| }, | ||
|
|
||
| ingestorStores:: [ | ||
| 'dnssrv+_grpc._tcp.%s.%s.svc.cluster.local:%d' % [ingestors.hashrings[name.hashring].service.metadata.name, tr.config.namespace, tr.config.ports.grpc] | ||
| for name in tr.config.hashrings | ||
| ], | ||
|
|
||
| ingestorEndpoints:: { | ||
| [name.hashring]: [ | ||
| '%s-%d.%s.%s.svc.cluster.local:%d' % [ | ||
| ingestors.hashrings[name.hashring].service.metadata.name, | ||
| i, | ||
| ingestors.hashrings[name.hashring].service.metadata.name, | ||
| tr.config.namespace, | ||
| tr.config.ports.grpc, | ||
| ] | ||
| // Replica specification is 1-based, but statefulSets are named 0-based. | ||
| for i in std.range(0, tr.config.replicas - 1) | ||
| ] | ||
| for name in tr.config.hashrings | ||
| }, | ||
|
|
||
| routerLabels:: tr.config.commonLabels { | ||
| 'app.kubernetes.io/component': tr.config.name + '-router', | ||
| }, | ||
|
|
||
| 'router-service': { | ||
| apiVersion: 'v1', | ||
| kind: 'Service', | ||
| metadata: { | ||
| name: tr.config.name + '-router', | ||
| namespace: tr.config.namespace, | ||
| }, | ||
| spec: { | ||
| ports: [{ name: name, port: tr.config.ports[name] } for name in std.objectFields(tr.config.ports)], | ||
| selector: tr.routerLabels, | ||
| }, | ||
| }, | ||
|
|
||
| 'router-configmap': { | ||
| apiVersion: 'v1', | ||
| kind: 'ConfigMap', | ||
| metadata: { | ||
| name: tr.config.hashringConfigMapName, | ||
| namespace: tr.config.namespace, | ||
| }, | ||
| data: { | ||
| 'hashrings.json': std.toString([hashring { endpoints: tr.ingestorEndpoints[hashring.hashring] } for hashring in tr.config.hashrings]), | ||
| }, | ||
| }, | ||
|
|
||
| // Create the deployment that acts as a router to the ingestor backends | ||
| 'router-deployment': { | ||
| apiVersion: 'apps/v1', | ||
| kind: 'Deployment', | ||
| metadata: { | ||
| name: tr.config.name + '-router', | ||
| namespace: tr.config.namespace, | ||
| labels: tr.routerLabels, | ||
| }, | ||
| spec: { | ||
| replicas: tr.config.routerReplicas, | ||
| selector: { matchLabels: tr.routerLabels }, | ||
| template: { | ||
| metadata: { | ||
| labels: tr.routerLabels, | ||
| }, | ||
| spec: { | ||
| serviceAccountName: ingestors.serviceAccount.metadata.name, | ||
| securityContext: tr.config.securityContext, | ||
| containers: [{ | ||
| name: 'thanos-receive', | ||
| image: tr.config.image, | ||
| args: [ | ||
| 'receive', | ||
| '--log.level=' + tr.config.logLevel, | ||
| '--log.format=' + tr.config.logFormat, | ||
| '--grpc-address=0.0.0.0:%d' % tr.config.ports.grpc, | ||
| '--http-address=0.0.0.0:%d' % tr.config.ports.http, | ||
| '--remote-write.address=0.0.0.0:%d' % tr.config.ports['remote-write'], | ||
| '--receive.replication-factor=%d' % tr.config.replicationFactor, | ||
| '--receive.hashrings-file=/var/lib/thanos-receive/hashrings.json', | ||
| ] + [ | ||
| '--label=%s' % label | ||
| for label in tr.config.labels | ||
| ] + ( | ||
| if tr.config.tenantLabelName != null then [ | ||
| '--receive.tenant-label-name=%s' % tr.config.tenantLabelName, | ||
| ] else [] | ||
| ) + ( | ||
| if std.length(tr.config.tracing) > 0 then [ | ||
| '--tracing.config=' + std.manifestYamlDoc( | ||
| { config+: { service_name: defaults.name } } + tr.config.tracing | ||
| ), | ||
| ] else [] | ||
| ), | ||
| env: [ | ||
| { name: 'NAME', valueFrom: { fieldRef: { fieldPath: 'metadata.name' } } }, | ||
| { name: 'NAMESPACE', valueFrom: { fieldRef: { fieldPath: 'metadata.namespace' } } }, | ||
| { | ||
| // Inject the host IP to make configuring tracing convenient. | ||
| name: 'HOST_IP_ADDRESS', | ||
| valueFrom: { | ||
| fieldRef: { | ||
| fieldPath: 'status.hostIP', | ||
| }, | ||
| }, | ||
| }, | ||
| ], | ||
| ports: [{ name: name, containerPort: tr.config.ports[name] } for name in std.objectFields(tr.config.ports)], | ||
| volumeMounts: [{ name: 'hashring-config', mountPath: '/var/lib/thanos-receive' }], | ||
| livenessProbe: { failureThreshold: 8, periodSeconds: 30, httpGet: { | ||
| scheme: 'HTTP', | ||
| port: tr.config.ports.http, | ||
| path: '/-/healthy', | ||
| } }, | ||
| readinessProbe: { failureThreshold: 20, periodSeconds: 5, httpGet: { | ||
| scheme: 'HTTP', | ||
| port: tr.config.ports.http, | ||
| path: '/-/ready', | ||
| } }, | ||
| resources: if tr.config.resources != {} then tr.config.resources else {}, | ||
| terminationMessagePolicy: 'FallbackToLogsOnError', | ||
| }], | ||
| volumes: [{ | ||
| name: 'hashring-config', | ||
| configMap: { name: tr.config.hashringConfigMapName }, | ||
| }], | ||
| terminationGracePeriodSeconds: 30, | ||
| nodeSelector: { | ||
| 'beta.kubernetes.io/os': 'linux', | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| serviceAccount: ingestors.serviceAccount, | ||
| } |
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