Change memcached from a deployment to a statefulset

memcached/memcached.libsonnet

@@ -51,19 +51,20 @@ k {
         '--web.listen-address=0.0.0.0:9150',
       ]),
 
-    local deployment = $.apps.v1beta1.deployment,
+    local statefulSet = $.apps.v1beta1.statefulSet,
 
-    deployment:
-      deployment.new(self.name, $._config.memcached_replicas, [
+    statefulSet:
+      statefulSet.new(self.name, $._config.memcached_replicas, [
         self.memcached_container,
         self.memcached_exporter,
-      ]) +
+      ], []) +
+      statefulSet.mixin.spec.withServiceName(self.name) +
       $.util.antiAffinity,
 
     local service = $.core.v1.service,
 
     service:
-      $.util.serviceFor(self.deployment) +
+      $.util.serviceFor(self.statefulSet) +
       service.mixin.spec.withClusterIp('None'),
   },
 }

prometheus-ksonnet/lib/config.libsonnet

@@ -55,7 +55,7 @@
     alertmanagerSelector: 'job="default/alertmanager"',
 
     // Node mixin overrides.
-    nodeCriticalSeverity: 'warning', // Do not page if nodes run out of disk space.
+    nodeCriticalSeverity: 'warning',  // Do not page if nodes run out of disk space.
 
     // oauth2-proxy
     oauth_enabled: false,

prometheus-ksonnet/lib/grafana.libsonnet

@@ -44,13 +44,13 @@
 
   dashboards_config_maps: {
     ['dashboard-%d' % shard]:
-        configMap.new('dashboards-%d' % shard) +
-        configMap.withDataMixin({
-          [name]: std.toString($.grafanaDashboards[name])
-          for name in std.objectFields($.grafanaDashboards)
-          if std.codepoint(std.md5(name)[1]) % $._config.dashboard_config_maps == shard
-        }),
-    for shard in std.range(0, $._config.dashboard_config_maps-1)
+      configMap.new('dashboards-%d' % shard) +
+      configMap.withDataMixin({
+        [name]: std.toString($.grafanaDashboards[name])
+        for name in std.objectFields($.grafanaDashboards)
+        if std.codepoint(std.md5(name)[1]) % $._config.dashboard_config_maps == shard
+      })
+    for shard in std.range(0, $._config.dashboard_config_maps - 1)
   },
 
   grafana_dashboard_provisioning_config_map:
@@ -183,9 +183,10 @@
           function(m, acc) m + acc,
           [
             $.util.configVolumeMount('dashboards-%d' % shard, '/grafana/dashboards/%d' % shard)
-            for shard in std.range(0, $._config.dashboard_config_maps-1)
+            for shard in std.range(0, $._config.dashboard_config_maps - 1)
           ],
-          {})
+          {}
+        )
     ) +
     $.util.podPriority('critical'),
 

prometheus-ksonnet/lib/prometheus.libsonnet

@@ -106,6 +106,6 @@
       }) +
       statefulset.mixin.spec.template.spec.securityContext.withRunAsUser(0) +
       statefulset.mixin.spec.template.spec.withServiceAccount(self.name) +
-      $.util.podPriority('critical')
+      $.util.podPriority('critical'),
   },
 }