Add ingester PDB to jsonnet

CHANGELOG.md

@@ -1,11 +1,12 @@
 ## main / unreleased
 
 * [CHANGE] tempo: check configuration returns now a list of warnings [#1663](https://github.com/grafana/tempo/pull/1663) (@frzifus)
+* [CHANGE] Make DNS address fully qualified to reduce DNS lookups in Kubernetes [#1687](https://github.com/grafana/tempo/pull/1687) (@electron0zero)
+* [CHANGE] Improve parquet compaction memory profile when dropping spans [#1692](https://github.com/grafana/tempo/pull/1692) (@joe-elliott)
 * [CHANGE] Increase default values for `server.grpc_server_max_recv_msg_size` and `server.grpc_server_max_send_msg_size` from 4MB to 16MB [#1688](https://github.com/grafana/tempo/pull/1688) (@mapno)
 * [ENHANCEMENT] metrics-generator: expose span size as a metric [#1662](https://github.com/grafana/tempo/pull/1662) (@ie-pham)
 * [ENHANCEMENT] Set Max Idle connections to 100 for Azure, should reduce DNS errors in Azure [#1632](https://github.com/grafana/tempo/pull/1632) (@electron0zero)
-* [CHANGE] Make DNS address fully qualified to reduce DNS lookups in Kubernetes [#1687](https://github.com/grafana/tempo/pull/1687) (@electron0zero)
-* [CHANGE] Improve parquet compaction memory profile when dropping spans [#1692](https://github.com/grafana/tempo/pull/1692) (@joe-elliott)
+* [ENHANCEMENT] Add PodDisruptionBudget to ingesters in jsonnet [#1691](https://github.com/grafana/tempo/pull/1691) (@joe-elliott)
 
 ## v1.5.0 / 2022-08-17
 

example/tk/tempo-microservices/main.jsonnet

@@ -35,6 +35,10 @@ minio + metrics + load + tempo {
         },
       },
     },
+    metrics_generator+: {
+      ephemeral_storage_limit_size: '2Gi',
+      ephemeral_storage_request_size: '1Gi',
+    },
     memcached+: {
       replicas: 1,
     },

operations/jsonnet-compiled/PodDisruptionBudget-ingester.yaml

@@ -0,0 +1,12 @@
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  labels:
+    name: ingester
+  name: ingester
+  namespace: tracing
+spec:
+  maxUnavailable: 1
+  selector:
+    matchLabels:
+      name: ingester

operations/jsonnet/microservices/ingester.libsonnet

@@ -79,4 +79,12 @@
         servicePort.withProtocol('TCP'),
       ],
     ) + service.mixin.spec.withClusterIp('None'),  // headless service
+
+  local podDisruptionBudget = k.policy.v1beta1.podDisruptionBudget,
+  ingester_pdb:
+    podDisruptionBudget.new() +
+    podDisruptionBudget.mixin.metadata.withName(target_name) +
+    podDisruptionBudget.mixin.metadata.withLabels({ name: target_name }) +
+    podDisruptionBudget.mixin.spec.selector.withMatchLabels({ name: target_name }) +
+    podDisruptionBudget.mixin.spec.withMaxUnavailable(1),
 }