feat(charts):完成第一版helm charts
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Yu Sun
159
charts/templates/statefulset-timescaledb-datanode.yaml
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159
charts/templates/statefulset-timescaledb-datanode.yaml
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# This file and its contents are licensed under the Apache License 2.0.
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# Please see the included NOTICE for copyright information and LICENSE for a copy of the license.
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: {{ template "timescaledb.dataname" . }}
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labels:
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app: {{ template "timescaledb.fullname" . }}
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chart: {{ template "timescaledb.chart" . }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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serviceName: {{ template "timescaledb.dataname" . }}
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replicas: {{ .Values.dataNodes }}
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podManagementPolicy: Parallel
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selector:
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matchLabels:
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app: {{ template "timescaledb.fullname" . }}
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release: {{ .Release.Name }}
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timescaleNodeType: data
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template:
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metadata:
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name: {{ template "timescaledb.dataname" . }}
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labels:
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app: {{ template "timescaledb.fullname" . }}
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release: {{ .Release.Name }}
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timescaleNodeType: data
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spec:
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serviceAccountName: {{ template "timescaledb.serviceAccountName" . }}
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securityContext:
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# The postgres user inside the TimescaleDB image has uid=1000.
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# This configuration ensures the permissions of the mounts are suitable
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fsGroup: {{ template "postgres.uid" }}
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runAsGroup: {{ template "postgres.uid" }}
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runAsNonRoot: true
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runAsUser: {{ template "postgres.uid" }}
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initContainers:
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- name: initdb
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securityContext:
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allowPrivilegeEscalation: false
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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env:
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- name: POSTGRESQL_CUSTOM_PARAMETERS
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value: |
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{{- range $key, $value := .Values.postgresql.parameters }}
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{{ printf "%s = '%s'" $key ($value | toString) }}
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{{- end }}
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- name: POSTGRES_PASSWORD
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valueFrom:
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secretKeyRef:
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name: {{ template "timescaledb.dataname" . }}
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key: password-superuser
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{{- if .Values.env }}
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{{ .Values.env | default list | toYaml | indent 8 }}
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{{- end }}
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command:
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- sh
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- '-c'
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# By calling the original entrypoint with the first argument being postgres
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# we ensure we do everything that is required to init a PostgreSQL instance.
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# By supplying --single however, we ensure the postmaster is running in the
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# foreground, allowing us to do some more initialization
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- |
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set -e
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install -o postgres -g postgres -m 0700 -d "${PGDATA}" "${PGDATA}/../conf.d"
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/docker-entrypoint.sh postgres --single < /dev/null
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grep -qxF "include 'postgresql_helm_customizations.conf'" "${PGDATA}/postgresql.conf" \
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|| echo "include 'postgresql_helm_customizations.conf'" >> "${PGDATA}/postgresql.conf"
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echo "Writing custom PostgreSQL Parameters to ${PGDATA}/postgresql_helm_customizations.conf"
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echo "cluster_name = '$(hostname)'" > "${PGDATA}/postgresql_helm_customizations.conf"
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echo "${POSTGRESQL_CUSTOM_PARAMETERS}" | sort >> "${PGDATA}/postgresql_helm_customizations.conf"
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echo "Adding host all all all md5 in pg_hba.conf"
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grep -qxF "host all all all md5" "${PGDATA}/pg_hba.conf" \
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|| echo "host all all all md5" >> ${PGDATA}/pg_hba.conf
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# The TimescaleDB extension should not be available by default, as this interferes with the bootstrapping
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# done by the access nodes. Therefore we drop the extensions from template1
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echo "DROP EXTENSION timescaledb" | /docker-entrypoint.sh postgres --single -D "${PGDATA}" template1
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volumeMounts:
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- name: storage-volume
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mountPath: "{{ .Values.persistentVolume.mountPath }}"
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subPath: "{{ .Values.persistentVolume.subPath }}"
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containers:
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- name: timescaledb
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securityContext:
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allowPrivilegeEscalation: false
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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# We start postgres with a fully cleared environment
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command:
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- sh
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- '-c'
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- exec env -i PGDATA="${PGDATA}" PATH="${PATH}" /docker-entrypoint.sh postgres
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env:
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- name: POD_NAMESPACE
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: metadata.namespace
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{{- if .Values.env }}
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{{ .Values.env | default list | toYaml | indent 8 }}
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{{- end }}
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ports:
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- containerPort: 5432
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volumeMounts:
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- name: storage-volume
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mountPath: "{{ .Values.persistentVolume.mountPath }}"
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subPath: "{{ .Values.persistentVolume.subPath }}"
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resources:
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{{ toYaml .Values.resources | indent 10 }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- if .Values.schedulerName }}
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schedulerName: {{ .Values.schedulerName }}
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{{- end }}
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{{- if .Values.affinity }}
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affinity:
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{{ .Values.affinity | toYaml | indent 8 }}
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{{- else if .Values.affinityTemplate }}
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affinity:
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{{ tpl .Values.affinityTemplate . | indent 8 }}
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{{- end }}
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{{- if not .Values.persistentVolume.enabled }}
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- name: storage-volume
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emptyDir: {}
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{{- end }}
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{{- if .Values.persistentVolume.enabled }}
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volumeClaimTemplates:
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- metadata:
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name: storage-volume
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annotations:
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{{- if .Values.persistentVolume.annotations }}
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{{ toYaml .Values.persistentVolume.annotations | indent 8 }}
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{{- end }}
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labels:
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app: {{ template "timescaledb.fullname" . }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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accessModes:
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{{ toYaml .Values.persistentVolume.accessModes | indent 8 }}
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resources:
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requests:
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storage: "{{ .Values.persistentVolume.size }}"
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{{- if .Values.persistentVolume.storageClass }}
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{{- if (eq "-" .Values.persistentVolume.storageClass) }}
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storageClassName: ""
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{{- else }}
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storageClassName: "{{ .Values.persistentVolume.storageClass }}"
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{{- end }}
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{{- end }}
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{{- end }}
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