exercise memcached in test (grafana#197)

* exercise memcached in test

Signed-off-by: Tom Hayward <[email protected]>

* fix memberlist service in ci/test-values.yaml

Signed-off-by: ShuzZzle <[email protected]>

* fix store gateway service dns address in ci/test-values.yaml

Signed-off-by: ShuzZzle <[email protected]>

* remove memcached resource requests for ci testing

Signed-off-by: ShuzZzle <[email protected]>

* request zero resources in test to support small runner

Signed-off-by: Tom Hayward <[email protected]>

* use same name templates as used in services

Signed-off-by: Tom Hayward <[email protected]>

Co-authored-by: ShuzZzle <[email protected]>

Author: kd7lxl

README.md

@@ -326,7 +326,7 @@ Kubernetes: `^1.19.0-0`
 | config.limits.reject_old_samples | bool | `true` |  |
 | config.limits.reject_old_samples_max_age | string | `"168h"` |  |
 | config.memberlist.bind_port | int | `7946` |  |
-| config.memberlist.join_members | list | `[]` |  |
+| config.memberlist.join_members | list | `[]` | the service name of the memberlist if using memberlist discovery |
 | config.querier.active_query_tracker_dir | string | `"/data/cortex/querier"` |  |
 | config.querier.query_ingesters_within | string | `"12h"` |  |
 | config.query_range.align_queries_with_step | bool | `true` |  |

ci/test-values.yaml

@@ -49,11 +49,11 @@ config:
       dir: "/data/store"
 
   querier:
-    store_gateway_addresses: "dns+cortex-store-gateway-headless:9095"
+    store_gateway_addresses: 'dns+{{ include "cortex.storeGatewayFullname" $ }}-headless:9095'
 
   memberlist:
     join_members:
-    - "cortex-memberlist.cortex"
+      - '{{ include "cortex.fullname" $ }}-memberlist'
 
 ingester:
   replicas: 1
@@ -72,3 +72,60 @@ querier:
     enabled: true
 nginx:
   replicas: 1
+
+tags:
+  blocks-storage-memcached: true
+memcached:
+  enabled: true
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    # https://github.com/helm/helm/issues/9136
+    requests:
+      cpu: 0
+      memory: 0
+memcached-index-read:
+  enabled: true
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0
+memcached-index-write:
+  enabled: true
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0
+memcached-frontend:
+  enabled: true
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0
+memcached-blocks:
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0
+memcached-blocks-index:
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0
+memcached-blocks-metadata:
+  architecture: standalone
+  replicaCount: 1
+  resources:
+    requests:
+      cpu: 0
+      memory: 0

values.yaml

@@ -143,13 +143,18 @@ config:
       health_check_ingesters: true
   memberlist:
     bind_port: 7946
+    # -- the service name of the memberlist
+    # if using memberlist discovery
     join_members: []
-    ## add here the service name of the memberlist
-    ## if using memberlist discovery, eg:
-    #  - cortex-memberlist
+    #  - '{{ include "cortex.fullname" $ }}-memberlist'
   querier:
     active_query_tracker_dir: /data/cortex/querier
     query_ingesters_within: 12h
+    # Comma separated list of store-gateway addresses in DNS Service Discovery
+    # format. This option should be set when using the blocks storage and the
+    # store-gateway sharding is disabled (when enabled, the store-gateway instances
+    # form a ring and addresses are picked from the ring).
+    # store_gateway_addresses: 'dns+{{ include "cortex.storeGatewayFullname" $ }}-headless:9095'
   query_range:
     split_queries_by_interval: 24h
     align_queries_with_step: true