696e37e3f7
Instead of running the exporter as a seperate deployemnt that talks to the service, which will NOT be reporting reliable information if you have more than 1 replica of memcached, this patch insteads moves things into a sidecar model that runs in the same pod and exposes the service. Change-Id: Ia4801b47f44df91db10886f7cb4e8e174557aded
115 lines
5.7 KiB
YAML
115 lines
5.7 KiB
YAML
{{/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{- if .Values.manifests.deployment }}
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{{- $envAll := . }}
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{{- $rcControllerName := printf "%s-%s" $envAll.Release.Name "memcached" }}
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{{- $configMapBinName := printf "%s-%s" $envAll.Release.Name "memcached-bin" }}
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{{ tuple $envAll "memcached" $rcControllerName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ $rcControllerName | quote }}
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annotations:
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
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labels:
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{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
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spec:
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replicas: {{ .Values.pod.replicas.server }}
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selector:
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matchLabels:
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{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
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{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
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template:
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metadata:
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annotations:
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{{ dict "envAll" $envAll "podName" "memcached" "containerNames" (list "init" "memcached") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
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{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
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configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
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labels:
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{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
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spec:
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{{ dict "envAll" $envAll "application" "server" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
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shareProcessNamespace: true
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serviceAccountName: {{ $rcControllerName | quote }}
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affinity:
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{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
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nodeSelector:
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{{ .Values.labels.server.node_selector_key }}: {{ .Values.labels.server.node_selector_value | quote }}
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terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.memcached.timeout | default "30" }}
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initContainers:
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{{ tuple $envAll "memcached" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
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{{ dict "envAll" $envAll | include "helm-toolkit.snippets.kubernetes_apparmor_loader_init_container" | indent 8 }}
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containers:
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- name: memcached
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{{ tuple $envAll "memcached" | include "helm-toolkit.snippets.image" | indent 10 }}
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{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
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{{ dict "envAll" $envAll "application" "server" "container" "memcached" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
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env:
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- name: MEMCACHED_PORT
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value: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
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- name: MEMCACHED_MAX_CONNECTIONS
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value: {{ .Values.conf.memcached.max_connections | quote }}
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- name: MEMCACHED_MEMORY
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value: {{ .Values.conf.memcached.memory | quote }}
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command:
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- /tmp/memcached.sh
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ports:
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- containerPort: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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readinessProbe:
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tcpSocket:
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port: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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volumeMounts:
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- name: pod-tmp
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mountPath: /tmp
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- name: memcached-bin
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mountPath: /tmp/memcached.sh
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subPath: memcached.sh
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readOnly: true
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{{- if .Values.monitoring.prometheus.enabled }}
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- name: memcached-exporter
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image: {{ .Values.images.tags.prometheus_memcached_exporter }}
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imagePullPolicy: {{ .Values.images.pull_policy }}
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{{ tuple $envAll $envAll.Values.pod.resources.prometheus_memcached_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
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{{ dict "envAll" $envAll "application" "server" "container" "memcached_exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
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command:
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- /tmp/memcached-exporter.sh
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- start
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ports:
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- name: metrics
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containerPort: {{ tuple "oslo_cache" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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readinessProbe:
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tcpSocket:
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port: {{ tuple "oslo_cache" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
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volumeMounts:
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- name: pod-tmp
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mountPath: /tmp
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- name: memcached-bin
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mountPath: /tmp/memcached-exporter.sh
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subPath: memcached-exporter.sh
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readOnly: true
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{{- end }}
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volumes:
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- name: pod-tmp
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emptyDir: {}
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- name: memcached-bin
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configMap:
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name: {{ $configMapBinName | quote }}
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defaultMode: 0555
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{{ dict "envAll" $envAll "component" "memcached" "requireSys" true | include "helm-toolkit.snippets.kubernetes_apparmor_volumes" | indent 8 }}
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{{- end }}
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