1 # Copyright © 2018 Amdocs
2 # Copyright © 2018,2021 Bell Canada
3 # Copyright © 2019 Samsung Electronics
4 # Copyright © 2020 Bitnami, Orange
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
19 #################################################################
21 #################################################################
23 - uid: '{{ include "common.mariadb.secret.rootPassUID" . }}'
25 externalSecret: '{{ tpl (default "" .Values.rootUser.externalSecret) . }}'
26 password: '{{ .Values.rootUser.password }}'
27 - uid: '{{ include "common.mariadb.secret.userCredentialsUID" . }}'
29 externalSecret: '{{ tpl (default "" .Values.db.externalSecret) . }}'
30 login: '{{ .Values.db.user }}'
31 password: '{{ .Values.db.password }}'
32 - uid: '{{ include "common.mariadb.secret.backupCredentialsUID" . }}'
34 externalSecret: '{{ tpl (default "" .Values.galera.mariabackup.externalSecret) . }}'
35 login: '{{ .Values.galera.mariabackup.user }}'
36 password: '{{ .Values.galera.mariabackup.password }}'
38 # bitnami image doesn't support well single quote in password
39 passwordStrengthOverride: basic
41 #################################################################
42 # Global configuration defaults.
43 #################################################################
47 mountPath: /dockerdata-nfs
49 mountPath: /dockerdata-nfs/backup
50 clusterDomain: cluster.local
53 image: bitnami/mariadb-galera:10.5.8
54 ## Specify a imagePullPolicy
55 ## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
56 ## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
60 ## Set to true if you would like to see extra information on logs
61 ## It turns BASH debugging in minideb-extras-base
65 ## Sometimes, especially when a lot of pods are created at the same time,
66 ## actions performed on the databases are tried to be done before actual start.
69 ## String to partially override common.names.fullname template (will maintain the release name)
71 nameOverride: mariadb-galera
73 ## Use an alternate scheduler, e.g. "stork".
74 ## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
78 ## StatefulSet controller supports relax its ordering guarantees while preserving its uniqueness and identity guarantees. There are two valid pod management policies: OrderedReady and Parallel
79 ## ref: https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#pod-management-policy
81 podManagementPolicy: OrderedReady
83 ## MariaDB Gallera K8s svc properties
86 ## Kubernetes service type and port number
90 internalPort: &dbPort 3306
103 ## Pods Service Account
104 ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
107 nameOverride: mariadb-galera
111 ## Pod Security Context
112 ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
119 ## Database credentials for root (admin) user
122 ## MariaDB admin user
124 ## MariaDB admin password
125 ## Password is ignored if externalSecret is specified.
126 ## If not set, password will be "randomly" generated
127 ## ref: https://github.com/bitnami/bitnami-docker-mariadb-galera#setting-the-root-password-on-first-run
132 ## Custom db configuration
135 ## MariaDB username and password
136 ## Password is ignored if externalSecret is specified.
137 ## If not set, password will be "randomly" generated
138 ## ref: https://github.com/bitnami/bitnami-docker-mariadb-galera#creating-a-database-user-on-first-run
143 ## Database to create
144 ## ref: https://github.com/bitnami/bitnami-docker-mariadb-galera#creating-a-database-on-first-run
148 ## Galera configuration
151 ## Galera cluster name
155 ## Bootstraping options
156 ## ref: https://github.com/bitnami/bitnami-docker-mariadb-galera#bootstraping
158 ## Node to bootstrap from, you will need to change this parameter incase you want to bootstrap from other node
161 ## Force safe_to_bootstrap in grastate.date file.
162 ## This will set safe_to_bootstrap=1 in the node indicated by bootstrapFromNode.
163 forceSafeToBootstrap: false
165 ## Credentials to perform backups
168 ## MariaBackup username and password
169 ## Password is ignored if externalSecret is specified.
170 ## If not set, password will be "randomly" generated
171 ## ref: https://github.com/bitnami/bitnami-docker-mariadb-galera#setting-up-a-multi-master-cluster
182 ## If true, use a Persistent Volume Claim, If false, use emptyDir
185 # Enable persistence using an existing PVC
187 ## selector can be used to match an existing PersistentVolume
192 ## Persistent Volume Storage Class
193 ## If defined, storageClassName: <storageClass>
194 ## If set to "-", storageClassName: "", which disables dynamic provisioning
195 ## If undefined (the default) or set to null, no storageClassName spec is
196 ## set, choosing the default provisioner. (gp2 on AWS, standard on
197 ## GKE, AWS & OpenStack)
200 ## Persistent Volume Claim annotations
203 ## Persistent Volume Access Mode
205 accessMode: ReadWriteOnce
206 ## Persistent Volume size
213 - '{{ include "common.name" . }}'
221 ## Name of the secret that contains the certificates
223 # certificatesSecret:
224 ## Certificate filename
227 ## Certificate Key filename
230 ## CA Certificate filename
234 ## Configure MariaDB with a custom my.cnf file
235 ## ref: https://mysql.com/kb/en/mysql/configuring-mysql-with-mycnf/#example-of-configuration-file
236 ## Alternatively, you can put your my.cnf under the files/ directory
238 mariadbConfiguration: |-
241 socket=/opt/bitnami/mariadb/tmp/mysql.sock
242 plugin_dir=/opt/bitnami/mariadb/plugin
245 lower_case_table_names = 1
246 default_storage_engine=InnoDB
247 basedir=/opt/bitnami/mariadb
248 datadir=/bitnami/mariadb/data
249 plugin_dir=/opt/bitnami/mariadb/plugin
250 tmpdir=/opt/bitnami/mariadb/tmp
251 socket=/opt/bitnami/mariadb/tmp/mysql.sock
252 pid_file=/opt/bitnami/mariadb/tmp/mysqld.pid
256 collation_server=utf8_unicode_ci
257 init_connect='SET NAMES utf8'
258 character_set_server=utf8
262 myisam_recover_options=FORCE,BACKUP
267 max_allowed_packet=16M
268 max_connect_errors=1000000
269 sql_mode=STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ONLY_FULL_GROUP_BY
275 # Disabling for performance per http://severalnines.com/blog/9-tips-going-production-galera-cluster-mysql
277 # Required for Galera
282 max_heap_table_size=32M
283 # Re-enabling as now works with Maria 10.1.2
286 query_cache_size=256M
289 open_files_limit=65535
290 table_definition_cache=4096
291 table_open_cache=4096
296 # Mandatory per https://github.com/codership/documentation/issues/25
297 innodb_autoinc_lock_mode=2
298 # Per https://www.percona.com/blog/2006/08/04/innodb-double-write/
300 innodb_flush_method=O_DIRECT
301 innodb_log_files_in_group=2
302 innodb_log_file_size=128M
303 innodb_flush_log_at_trx_commit=1
304 innodb_file_per_table=1
305 # 80% Memory is default reco.
306 # Need to re-evaluate when DB size grows
307 innodb_buffer_pool_size=2G
308 innodb_file_format=Barracuda
311 log_error=/opt/bitnami/mariadb/logs/mysqld.log
312 slow_query_log_file=/opt/bitnami/mariadb/logs/mysqld.log
313 log_queries_not_using_indexes=1
317 ## Use extraVolumes and extraVolumeMounts to mount /certs filesystem
318 # ssl_ca=/certs/ca.pem
319 # ssl_cert=/certs/server-cert.pem
320 # ssl_key=/certs/server-key.pem
324 wsrep_provider=/opt/bitnami/mariadb/lib/libgalera_smm.so
325 wsrep_sst_method=mariabackup
326 wsrep_slave_threads=4
327 wsrep_cluster_address=gcomm://
328 wsrep_cluster_name=galera
329 wsrep_sst_auth="root:"
330 # Enabled for performance per https://mariadb.com/kb/en/innodb-system-variables/#innodb_flush_log_at_trx_commit
331 innodb_flush_log_at_trx_commit=2
332 # MYISAM REPLICATION SUPPORT #
333 wsrep_replicate_myisam=ON
335 default_storage_engine=InnoDB
336 innodb_autoinc_lock_mode=2
337 transaction-isolation=READ-COMMITTED
342 plugin_load_add=auth_pam
344 ## Data-at-Rest Encryption
345 ## Use extraVolumes and extraVolumeMounts to mount /encryption filesystem
346 # plugin_load_add=file_key_management
347 # file_key_management_filename=/encryption/keyfile.enc
348 # file_key_management_filekey=FILE:/encryption/keyfile.key
349 # file_key_management_encryption_algorithm=AES_CTR
351 # encrypt_tmp_files=ON
353 ## InnoDB/XtraDB Encryption
354 # innodb_encrypt_tables=ON
355 # innodb_encrypt_temporary_tables=ON
356 # innodb_encrypt_log=ON
357 # innodb_encryption_threads=4
358 # innodb_encryption_rotate_key_age=1
361 # aria_encrypt_tables=ON
362 # encrypt_tmp_disk_tables=ON
364 ## MariaDB additional command line flags
365 ## Can be used to specify command line flags, for example:
367 ## extraFlags: "--max-connect-errors=1000 --max_connections=155"
369 ## Desired number of cluster nodes
373 ## updateStrategy for MariaDB Master StatefulSet
374 ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
379 ## Additional pod annotations for MariaDB Galera pods
380 ## ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
384 ## Pod affinity preset
385 ## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
386 ## Allowed values: soft, hard
388 podAffinityPreset: ""
390 ## Pod anti-affinity preset
391 ## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
392 ## Allowed values: soft, hard
394 podAntiAffinityPreset: soft
396 ## Node affinity preset
397 ## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity
398 ## Allowed values: soft, hard
401 ## Node affinity type
402 ## Allowed values: soft, hard
404 ## Node label key to match
406 ## key: "kubernetes.io/e2e-az-name"
409 ## Node label values to match
417 ## Affinity for pod assignment. Evaluated as a template.
418 ## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
419 ## Note: podAffinityPreset, podAntiAffinityPreset, and nodeAffinityPreset will be ignored when it's set
423 ## Node labels for pod assignment. Evaluated as a template.
424 ## ref: https://kubernetes.io/docs/user-guide/node-selection/
428 ## Tolerations for pod assignment. Evaluated as a template.
429 ## ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
433 ## Enable persistence using Persistent Volume Claims
434 ## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
437 ## If true, use a Persistent Volume Claim, If false, use emptyDir
440 # Enable persistence using an existing PVC
442 mountPath: /dockerdata-nfs
443 mountSubPath: "mariadb-galera/data"
444 ## selector can be used to match an existing PersistentVolume
449 ## Persistent Volume Storage Class
450 ## If defined, storageClassName: <storageClass>
451 ## If set to "-", storageClassName: "", which disables dynamic provisioning
452 ## If undefined (the default) or set to null, no storageClassName spec is
453 ## set, choosing the default provisioner. (gp2 on AWS, standard on
454 ## GKE, AWS & OpenStack)
457 ## Persistent Volume Claim annotations
460 ## Persistent Volume Access Mode
462 accessMode: ReadWriteOnce
463 ## Persistent Volume size
467 ## Additional pod labels
470 # extraLabel: extraValue
472 ## Priority Class Name
474 # priorityClassName: 'priorityClass'
476 ## MariaDB Galera containers' resource requests and limits
477 ## ref: http://kubernetes.io/docs/user-guide/compute-resources/
497 ## MariaDB Galera containers' liveness and readiness probes
498 ## ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
502 initialDelaySeconds: 1
509 initialDelaySeconds: 1
515 ## Initializing the database could take some time
518 initialDelaySeconds: 10
522 # will wait up for initialDelaySeconds + failureThreshold*periodSeconds before
523 # stating startup wasn't good (910s per default)
526 ## Pod disruption budget configuration
529 ## Specifies whether a Pod disruption budget should be created
535 ## Prometheus exporter configuration
538 ## Bitnami MySQL Prometheus exporter image
539 ## ref: https://hub.docker.com/r/bitnami/mysqld-exporter/tags/
541 image: bitnami/mysqld-exporter:0.12.1-debian-10-r264
543 ## MySQL exporter additional command line flags
544 ## Can be used to specify command line flags
547 ## - --collect.binlog_size
550 ## MySQL Prometheus exporter containers' resource requests and limits
551 ## ref: http://kubernetes.io/docs/user-guide/compute-resources/
554 # We usually recommend not to specify default resources and to leave this as a conscious
555 # choice for the user. This also increases chances charts run on environments with little
556 # resources, such as Minikube. If you do want to specify resources, uncomment the following
557 # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
564 ## MariaDB Galera metrics container's liveness and readiness probes
565 ## ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
569 initialDelaySeconds: 30
576 initialDelaySeconds: 5
581 ## MySQL Prometheus exporter service parameters
587 prometheus.io/scrape: "true"
588 prometheus.io/port: "9104"
590 ## Prometheus Operator ServiceMonitor configuration
594 ## Namespace in which Prometheus is running
596 # namespace: monitoring
598 ## Interval at which metrics should be scraped.
599 ## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#endpoint
603 ## Timeout after which the scrape is ended
604 ## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#endpoint
608 ## ServiceMonitor selector labels
609 ## ref: https://github.com/bitnami/charts/tree/master/bitnami/prometheus-operator#prometheus-configuration
612 prometheus: kube-prometheus
614 ## RelabelConfigs to apply to samples before scraping
615 ## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#relabelconfig
616 ## Value is evalued as a template
620 ## MetricRelabelConfigs to apply to samples before ingestion
621 ## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#relabelconfig
622 ## Value is evalued as a template
624 metricRelabelings: []
627 # targetLabel: "__name__"
630 # replacement: 'example_prefix_$1'
632 ## Prometheus Operator PrometheusRule configuration
637 ## Additional labels to add to the PrometheusRule so it is picked up by the operator.
638 ## If using the [Helm Chart](https://github.com/helm/charts/tree/master/stable/prometheus-operator) this is the name of the Helm release and 'app: prometheus-operator'
640 app: prometheus-operator
645 # - alert: MariaDB-Down
647 # message: 'MariaDB instance {{ $labels.instance }} is down'
648 # summary: MariaDB instance is down
649 # expr: absent(up{job="mariadb-galera"} == 1)
652 # service: mariadb-galera