aboutsummaryrefslogtreecommitdiffstats
path: root/kubernetes/common/mariadb-galera/templates/statefulset.yaml
blob: bde971ffe700fd1b88ca4c5f1033fe6520811db4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
{{/*
# Copyright © 2018 Amdocs, Bell Canada
# Copyright © 2019 Samsung Electronics
# Copyright © 2019-2020 Orange
# Copyright © 2020 Bitnami
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/}}

apiVersion: apps/v1
kind: StatefulSet
metadata: {{- include "common.resourceMetadata" . | nindent 2 }}
spec:
  podManagementPolicy: {{ .Values.podManagementPolicy }}
  replicas: {{ .Values.replicaCount }}
  selector: {{- include "common.selectors" . | nindent 4 }}
  serviceName: {{ include "common.servicename" . }}-headless
  updateStrategy:
    type: {{ .Values.updateStrategy.type }}
    {{- if (eq "Recreate" .Values.updateStrategy.type) }}
    rollingUpdate: null
    {{- end }}
  template:
    metadata: {{- include "common.templateMetadata" . | nindent 6 }}
    spec:
      {{ include "common.podSecurityContext" . | indent 6  | trim }}
      initContainers:
        # we shouldn't need this but for unknown reason, it's fsGroup is not
        # applied
        - name: fix-permission
          command:
            - /bin/sh
          args:
            - -c
            - |
              chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /data
              chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /bootstrap/
              chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /tmp/
              {{- if .Values.mariadbConfiguration }}
              cp /config/my.cnf /actual/my.cnf
              chown -R {{ .Values.securityContext.user_id }}:{{ .Values.securityContext.group_id }} /actual
              {{- end }}
          image: {{ include "repositoryGenerator.image.busybox" . }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
          securityContext:
            runAsUser: 0
          volumeMounts:
            - name: previous-boot
              mountPath: /bootstrap
            - name: mariadb-tmp-folder
              mountPath: /tmp
            - name: {{ include "common.fullname" . }}
              mountPath: /data
            {{- if .Values.mariadbConfiguration }}
            - name: mariadb-galera-starting-config
              mountPath: /config/my.cnf
              subPath: my.cnf
            - name: mariadb-galera-actual-config
              mountPath: /actual
            {{- end }}
      containers:
        - name: {{ include "common.name" . }}
          image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy | quote}}
          command:
            - bash
            - -ec
            - |
                {{- if (not (empty (.Values.galera.bootstrap.bootstrapFromNode | quote)))}}
                {{- $fullname := include "common.names.fullname" . }}
                {{- $bootstrapFromNode := int .Values.galera.bootstrap.bootstrapFromNode }}
                # Bootstrap from the indicated node
                NODE_ID="${MY_POD_NAME#"{{ $fullname }}-"}"
                if [[ "$NODE_ID" -eq "{{ $bootstrapFromNode }}" ]]; then
                    export MARIADB_GALERA_CLUSTER_BOOTSTRAP=yes
                    export MARIADB_GALERA_FORCE_SAFETOBOOTSTRAP={{ ternary "yes" "no" .Values.galera.bootstrap.forceSafeToBootstrap }}
                fi
                {{- end }}
                exec /opt/bitnami/scripts/mariadb-galera/entrypoint.sh /opt/bitnami/scripts/mariadb-galera/run.sh
          env:
            - name: MY_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: BITNAMI_DEBUG
              value: {{ ternary "true" "false" .Values.debug | quote }}
            - name: MARIADB_INIT_SLEEP_TIME
              value: {{ .Values.init_sleep_time | quote }}
            - name: MARIADB_GALERA_CLUSTER_NAME
              value: {{ .Values.galera.name | quote }}
            - name: MARIADB_GALERA_CLUSTER_ADDRESS
              value: "gcomm://{{ template "common.name" . }}-headless.{{ include "common.namespace" . }}.svc.{{ .Values.global.clusterDomain }}"
            # Bitnami init script don't behave well in dual stack env.
            # set it here as long as https://github.com/bitnami/charts/issues/4077 is not solved.
            - name: MARIADB_GALERA_NODE_ADDRESS
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: MARIADB_ROOT_USER
              value: {{ .Values.rootUser.user | quote }}
            - name: MARIADB_ROOT_PASSWORD
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.rootPassUID" .) "key" "password") | indent 14 }}
            - name: MARIADB_USER
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.userCredentialsUID" .) "key" "login") | indent 14 }}
            - name: MARIADB_PASSWORD
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.userCredentialsUID" .) "key" "password") | indent 14 }}
            - name: MARIADB_DATABASE
              value: {{ .Values.db.name | quote }}
            - name: MARIADB_GALERA_MARIABACKUP_USER
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.backupCredentialsUID" .) "key" "login") | indent 14 }}
            - name: MARIADB_GALERA_MARIABACKUP_PASSWORD
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.backupCredentialsUID" .) "key" "password") | indent 14 }}
            {{- if .Values.extraFlags }}
            - name: MARIADB_EXTRA_FLAGS
              value: {{ .Values.extraFlags | quote }}
            {{- end }}
          ports: {{ include "common.containerPorts" . | nindent 12  }}
          {{- if .Values.livenessProbe.enabled }}
          livenessProbe:
            exec:
              command:
                - bash
                - -ec
                - |
                  exec mysqladmin status -u$MARIADB_ROOT_USER -p$MARIADB_ROOT_PASSWORD
            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
          {{- end }}
          {{- if .Values.readinessProbe.enabled }}
          readinessProbe:
            exec:
              command:
                - bash
                - -ec
                - |
                  exec mysqladmin status -u$MARIADB_ROOT_USER -p$MARIADB_ROOT_PASSWORD
            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
          {{- end }}
          resources: {{ include "common.resources" . | nindent 12 }}
          volumeMounts:
            - name: previous-boot
              mountPath: /opt/bitnami/mariadb/.bootstrap
            - name: {{ include "common.fullname" . }}
              mountPath: /bitnami/mariadb
            - name: mariadb-tmp-folder
              mountPath: /opt/bitnami/mariadb/tmp
            {{- if .Values.mariadbConfiguration }}
            - name: mariadb-galera-actual-config
              mountPath: /opt/bitnami/mariadb/conf
            {{- end }}
        {{- if default false .Values.global.metrics.enabled }}
        - name: {{ include "common.name" . }}-metrics
          image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.metrics.image }}
          imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.metrics.pullPolicy | quote}}
          env:
            - name: MARIADB_METRICS_EXTRA_FLAGS
              value: {{ default "" (join " " .Values.metrics.extraFlags) | quote }}
            - name: MARIADB_ROOT_USER
              value: {{ .Values.rootUser.user | quote }}
            - name: MARIADB_ROOT_PASSWORD
              {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.mariadb.secret.rootPassUID" .) "key" "password") | indent 14}}
          command:
            - sh
            - -c
            - |
              DATA_SOURCE_NAME="$MARIADB_ROOT_USER:$MARIADB_ROOT_PASSWORD@(localhost:3306)/" /bin/mysqld_exporter $MARIADB_METRICS_EXTRA_FLAGS
          ports:
            - name: metrics
              containerPort: 9104
          livenessProbe:
            httpGet:
              path: /metrics
              port: metrics
            initialDelaySeconds: 30
            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /metrics
              port: metrics
            initialDelaySeconds: 5
            timeoutSeconds: 1
          {{ include "common.containerSecurityContext" . | indent 10 | trim }}
          resources: {{- toYaml .Values.metrics.resources | nindent 12 }}
        {{- end }}
      imagePullSecrets:
        - name: {{ include "common.namespace" . }}-docker-registry-key
      {{- if .Values.schedulerName }}
      schedulerName: {{ .Values.schedulerName | quote }}
      {{- end }}
      {{- if .Values.priorityClassName }}
      priorityClassName: {{ .Values.priorityClassName }}
      {{- end }}
      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
      {{- if .Values.affinity }}
      affinity: {{- include "common.tplvalues" ( dict "value" .Values.affinity "context" $) | nindent 8 }}
      {{- else }}
      affinity:
        podAffinity: {{- include "common.affinities.pods" (dict "type" .Values.podAffinityPreset "context" $) | nindent 10 }}
        podAntiAffinity: {{- include "common.affinities.pods" (dict "type" .Values.podAntiAffinityPreset "context" $) | nindent 10 }}
        nodeAffinity: {{- include "common.affinities.nodes" (dict "type" .Values.nodeAffinityPreset.type "key" .Values.nodeAffinityPreset.key "values" .Values.nodeAffinityPreset.values) | nindent 10 }}
      {{- end }}
      {{- if .Values.nodeSelector }}
      nodeSelector: {{- include "common.tplvalues" ( dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.tolerations }}
      tolerations: {{- include "common.tplvalues" (dict "value" .Values.tolerations "context" .) | nindent 8 }}
      {{- end }}
      volumes:
        - name: previous-boot
          emptyDir: {}
        - name: mariadb-tmp-folder
          emptyDir: {}
        {{- if .Values.mariadbConfiguration  }}
        - name:  mariadb-galera-actual-config
          emptyDir: {}
        - name: mariadb-galera-starting-config
          configMap:
            name: {{ printf "%s-configuration" (include "common.fullname" .) }}
        {{- end }}
{{- if and .Values.persistence.enabled .Values.persistence.existingClaim }}
        - name: {{ include "common.fullname" . }}
          persistentVolumeClaim:
            claimName: {{ .Values.persistence.existingClaim }}
{{- else if not .Values.persistence.enabled }}
        - name: {{ include "common.fullname" . }}
          emptyDir: {}
{{- else if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
  volumeClaimTemplates:
    - {{ include "common.PVCTemplate" (dict "dot" . "suffix" "data" "persistenceInfos" .Values.persistence) | indent 6 | trim }}
{{- end }}