Merge pull request #187 from grafana/flusher-job-blocks

Add flusher job for blocks.

Author: pracucci

CHANGELOG.md

@@ -11,6 +11,7 @@
 * [ENHANCEMENT] Add the Ruler to the read resources dashboard #205
 * [ENHANCEMENT] Read dashboards now use `cortex_querier_request_duration_seconds` metrics to allow for accurate dashboards when deploying Cortex as a single-binary. #199
 * [ENHANCEMENT] Improved Ruler dashboard. Includes information about notifications, reads/writes, and per user per rule group evaluation. #197, #205
+* [ENHANCEMENT] Add `flusher-job-blocks.libsonnet` with support for flushing blocks disks. #187
 * [ENHANCEMENT] Add more alerts on failure conditions for ingesters when running the blocks storage. #208
 * [FEATURE] Latency recording rules for the metric`cortex_querier_request_duration_seconds` are now part of a `cortex_querier_api` rule group. #199
 * [FEATURE] Add overrides-exporter as optional deployment to expose configured runtime overrides and presets. #198

cortex/flusher-job-blocks.libsonnet

@@ -0,0 +1,49 @@
+{
+  // Usage example:
+  //
+  // local flusher_job = import 'cortex/flusher-job-blocks.libsonnet';
+  //
+  // flusher_job {
+  //   'flusher-25': $.flusher_job_func('flusher-25', 'ingester-data-ingester-25'),
+  // }
+  //
+  // Where 'flusher-25' is a job name, and 'ingester-data-ingester-25' is PVC to flush.
+
+  local container = $.core.v1.container,
+  local job = $.batch.v1.job,
+  local volumeMount = $.core.v1.volumeMount,
+  local volume = $.core.v1.volume,
+
+  flusher_container::
+    container.new('flusher', $._images.flusher) +
+    container.withPorts($.util.defaultPorts) +
+    container.withArgsMixin($.util.mapToFlags($.ingester_args {
+      target: 'flusher',
+      'blocks-storage.tsdb.retention-period': '10000h',  // don't delete old blocks too soon.
+    })) +
+    $.util.resourcesRequests('4', '15Gi') +
+    $.util.resourcesLimits(null, '25Gi') +
+    $.util.readinessProbe +
+    $.jaeger_mixin,
+
+  flusher_job_func(jobName, pvcName)::
+    job.new() +
+    job.mixin.spec.template.spec.withContainers([
+      $.flusher_container +
+      container.withVolumeMountsMixin([
+        volumeMount.new('flusher-data', '/data'),
+      ]),
+    ]) +
+    job.mixin.spec.template.spec.withRestartPolicy('Never') +
+    job.mixin.spec.template.spec.withVolumes([
+      volume.fromPersistentVolumeClaim('flusher-data', pvcName),
+    ]) +
+    job.mixin.metadata.withName(jobName) +
+    job.mixin.metadata.withNamespace($._config.namespace) +
+    job.mixin.metadata.withLabels({ name: 'flusher' }) +
+    job.mixin.spec.template.metadata.withLabels({ name: 'flusher' }) +
+    job.mixin.spec.template.spec.securityContext.withRunAsUser(0) +
+    job.mixin.spec.template.spec.withTerminationGracePeriodSeconds(300) +
+    $.util.configVolumeMount('overrides', '/etc/cortex') +
+    $.util.podPriority('high'),
+}