helm-charts/gitea/charts/mariadb/values.yaml
2021-01-17 04:09:41 +03:00

839 lines
25 KiB
YAML

## Global Docker image parameters
## Please, note that this will override the image parameters, including dependencies, configured to use the global value
## Current available global Docker image parameters: imageRegistry and imagePullSecrets
##
# global:
# imageRegistry: myRegistryName
# imagePullSecrets:
# - myRegistryKeySecretName
# storageClass: myStorageClass
## Bitnami MariaDB image
## ref: https://hub.docker.com/r/bitnami/mariadb/tags/
##
image:
registry: docker.io
repository: bitnami/mariadb
tag: 10.5.8-debian-10-r21
## Specify a imagePullPolicy
## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
##
pullPolicy: IfNotPresent
## Optionally specify an array of imagePullSecrets (secrets must be manually created in the namespace)
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
## Example:
## pullSecrets:
## - myRegistryKeySecretName
##
pullSecrets: []
## Set to true if you would like to see extra information on logs
## It turns BASH and NAMI debugging in minideb
## ref: https://github.com/bitnami/minideb-extras/#turn-on-bash-debugging
debug: false
## String to partially override mariadb.fullname template (will maintain the release name)
##
# nameOverride:
## String to fully override mariadb.fullname template
##
# fullnameOverride:
## Cluster domain
##
clusterDomain: cluster.local
## Common annotations to add to all MariaDB resources (sub-charts are not considered). Evaluated as a template
##
commonAnnotations: {}
## Common labels to add to all MariaDB resources (sub-charts are not considered). Evaluated as a template
##
commonLabels: {}
## Use an alternate scheduler, e.g. "stork".
## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
##
# schedulerName:
## MariaDB architecture. Allowed values: standalone or replication
##
architecture: standalone
## MariaDB Authentication parameters
##
auth:
## MariaDB root password
## ref: https://github.com/bitnami/bitnami-docker-mariadb#setting-the-root-password-on-first-run
##
rootPassword: ""
## MariaDB custom user and database
## ref: https://github.com/bitnami/bitnami-docker-mariadb/blob/master/README.md#creating-a-database-on-first-run
## ref: https://github.com/bitnami/bitnami-docker-mariadb/blob/master/README.md#creating-a-database-user-on-first-run
##
database: my_database
username: ""
password: ""
## MariaDB replication user and password
## ref: https://github.com/bitnami/bitnami-docker-mariadb#setting-up-a-replication-cluster
##
replicationUser: replicator
replicationPassword: ""
## Existing secret with MariaDB credentials
## NOTE: When it's set the previous parameters are ignored.
##
# existingSecret: name-of-existing-secret
## Force users to specify required passwords
##
forcePassword: false
## Mount credentials as files instead of using an environment variable
##
usePasswordFiles: false
## Use custom secret files other than chart provided when usePasswordFiles is set to "true"
## Example:
## customPasswordFiles:
## root: /vault/secrets/mariadb-root
## user: /vault/secrets/mariadb-user
## replicator: /vault/secrets/mariadb-replicator
##
customPasswordFiles: {}
## initdb scripts
## Specify dictionary of scripts to be run at first boot
## Example:
## initdbScripts:
## my_init_script.sh: |
## #!/bin/bash
## echo "Do something."
##
initdbScripts: {}
## Existing ConfigMap with custom init scripts
##
# initdbScriptsConfigMap:
## Mariadb Primary parameters
##
primary:
## Command and args for running the container (set to default if not set). Use array form
##
command: []
args: []
## Configure MariaDB Primary with a custom my.cnf file
## ref: https://mysql.com/kb/en/mysql/configuring-mysql-with-mycnf/#example-of-configuration-file
##
configuration: |-
[mysqld]
skip-name-resolve
explicit_defaults_for_timestamp
basedir=/opt/bitnami/mariadb
plugin_dir=/opt/bitnami/mariadb/plugin
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
tmpdir=/opt/bitnami/mariadb/tmp
max_allowed_packet=16M
bind-address=0.0.0.0
pid-file=/opt/bitnami/mariadb/tmp/mysqld.pid
log-error=/opt/bitnami/mariadb/logs/mysqld.log
character-set-server=UTF8
collation-server=utf8_general_ci
[client]
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
default-character-set=UTF8
plugin_dir=/opt/bitnami/mariadb/plugin
[manager]
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
pid-file=/opt/bitnami/mariadb/tmp/mysqld.pid
## Name of existing ConfigMap with MariaDB Primary configuration.
## NOTE: When it's set the 'configuration' parameter is ignored
##
# existingConfiguration:
## updateStrategy for Mariadb Primary statefulset
## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
##
updateStrategy: RollingUpdate
## Partition update strategy for Mariadb Primary statefulset
## https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#partitions
##
# rollingUpdatePartition:
## Mariadb Primary pod annotations
## ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
##
podAnnotations: {}
## Mariadb Primary pod affinity preset
## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
## Allowed values: soft, hard
##
podAffinityPreset: ""
## Mariadb Primary pod anti-affinity preset
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
## Allowed values: soft, hard
##
podAntiAffinityPreset: soft
## Mariadb Primary node affinity preset
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity
## Allowed values: soft, hard
##
nodeAffinityPreset:
## Node affinity type
## Allowed values: soft, hard
type: ""
## Node label key to match
## E.g.
## key: "kubernetes.io/e2e-az-name"
##
key: ""
## Node label values to match
## E.g.
## values:
## - e2e-az1
## - e2e-az2
##
values: []
## Affinity for MariaDB primary pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
## Note: podAffinityPreset, podAntiAffinityPreset, and nodeAffinityPreset will be ignored when it's set
##
affinity: {}
## Node labels for MariaDB primary pods assignment
## Ref: https://kubernetes.io/docs/user-guide/node-selection/
##
nodeSelector: {}
## Tolerations for MariaDB primary pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
##
tolerations: []
## MariaDB primary Pod security context
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
##
podSecurityContext:
enabled: true
fsGroup: 1001
## MariaDB primary container security context
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container
##
containerSecurityContext:
enabled: true
runAsUser: 1001
## MariaDB primary container's resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
resources:
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
limits: {}
# memory: 256Mi
# cpu: 100m
requests: {}
# memory: 256Mi
# cpu: 100m
## MariaDB primary container's liveness and readiness probes
## ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
##
livenessProbe:
enabled: true
initialDelaySeconds: 120
periodSeconds: 10
timeoutSeconds: 1
failureThreshold: 3
successThreshold: 1
readinessProbe:
enabled: true
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 1
failureThreshold: 3
successThreshold: 1
## MariaDB primary custom liveness probe
##
customLivenessProbe: {}
## MariaDB primary custom rediness probe
##
customReadinessProbe: {}
## MariaDB primary additional command line flags
## Can be used to specify command line flags, for example:
## E.g.
## extraFlags: "--max-connect-errors=1000 --max_connections=155"
##
extraFlags: ""
## An array to add extra environment variables on MariaDB primary containers
## E.g.
## extraEnvVars:
## - name: TZ
## value: "Europe/Paris"
##
extraEnvVars: []
## ConfigMap with extra env vars for MariaDB primary containers:
##
extraEnvVarsCM: ""
## Secret with extra env vars for MariaDB primary containers:
##
extraEnvVarsSecret: ""
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
persistence:
## If true, use a Persistent Volume Claim, If false, use emptyDir
##
enabled: true
## Name of existing PVC to hold MariaDB Primary data
## NOTE: When it's set the rest of persistence parameters are ignored
##
# existingClaim:
## Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: "-"
## Persistent Volume Claim annotations
##
annotations: {}
## Persistent Volume Access Mode
##
accessModes:
- ReadWriteOnce
## Persistent Volume size
##
size: 8Gi
## selector can be used to match an existing PersistentVolume
## selector:
## matchLabels:
## app: my-app
selector: {}
## Extra volumes to add to the MariaDB Primary pod(s)
##
extraVolumes: []
## Extra volume mounts to add to the MariaDB Primary container(s)
##
extraVolumeMounts: []
## Extra init containers to add to the MariaDB Primary pod(s)
##
initContainers: []
## Extra sidecar containers to add to the MariaDB Primary pod(s)
##
sidecars: []
## MariaDB Primary Service parameters
##
service:
## Service type
##
type: ClusterIP
## Service port
##
port: 3306
## Specify the nodePort value for the LoadBalancer and NodePort service types.
## ref: https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport
##
nodePort: ""
## Service clusterIP
##
# clusterIP: None
clusterIP: ""
## Set the LoadBalancer service type to internal only.
## ref: https://kubernetes.io/docs/concepts/services-networking/service/#internal-load-balancer
##
loadBalancerIP: ""
## Load Balancer sources
## https://kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/#restrict-access-for-loadbalancer-service
## E.g.
## loadBalancerSourceRanges:
## - 10.10.10.0/24
##
loadBalancerSourceRanges: []
## Provide any additional annotations which may be required
##
annotations: {}
## MariaDB primary Pod Disruption Budget configuration
## ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
##
pdb:
create: false
## Min number of pods that must still be available after the eviction
##
minAvailable: 1
## Max number of pods that can be unavailable after the eviction
##
# maxUnavailable: 1
## Mariadb Secondary parameters
##
secondary:
## Number of Mariadb Secondary replicas to deploy
##
replicaCount: 1
## Command and args for running the container (set to default if not set). Use array form
##
command: []
args: []
## Configure MariaDB Secondary with a custom my.cnf file
## ref: https://mysql.com/kb/en/mysql/configuring-mysql-with-mycnf/#example-of-configuration-file
##
configuration: |-
[mysqld]
skip-name-resolve
explicit_defaults_for_timestamp
basedir=/opt/bitnami/mariadb
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
tmpdir=/opt/bitnami/mariadb/tmp
max_allowed_packet=16M
bind-address=0.0.0.0
pid-file=/opt/bitnami/mariadb/tmp/mysqld.pid
log-error=/opt/bitnami/mariadb/logs/mysqld.log
character-set-server=UTF8
collation-server=utf8_general_ci
[client]
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
default-character-set=UTF8
[manager]
port=3306
socket=/opt/bitnami/mariadb/tmp/mysql.sock
pid-file=/opt/bitnami/mariadb/tmp/mysqld.pid
## Name of existing ConfigMap with MariaDB Secondary configuration.
## NOTE: When it's set the 'configuration' parameter is ignored
##
# existingConfiguration:
## updateStrategy for Mariadb Secondary statefulset
## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
##
updateStrategy: RollingUpdate
## Partition update strategy for Mariadb Secondary statefulset
## https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#partitions
##
# rollingUpdatePartition:
## Mariadb Secondary pod annotations
## ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
##
podAnnotations: {}
## Mariadb Secondary pod affinity preset
## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
## Allowed values: soft, hard
##
podAffinityPreset: ""
## Mariadb Secondary pod anti-affinity preset
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
## Allowed values: soft, hard
##
podAntiAffinityPreset: soft
## Mariadb Secondary node affinity preset
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity
## Allowed values: soft, hard
##
nodeAffinityPreset:
## Node affinity type
## Allowed values: soft, hard
type: ""
## Node label key to match
## E.g.
## key: "kubernetes.io/e2e-az-name"
##
key: ""
## Node label values to match
## E.g.
## values:
## - e2e-az1
## - e2e-az2
##
values: []
## Affinity for MariaDB secondary pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
## Note: podAffinityPreset, podAntiAffinityPreset, and nodeAffinityPreset will be ignored when it's set
##
affinity: {}
## Node labels for MariaDB secondary pods assignment
## Ref: https://kubernetes.io/docs/user-guide/node-selection/
##
nodeSelector: {}
## Tolerations for MariaDB secondary pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
##
tolerations: []
## MariaDB secondary Pod security context
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
##
podSecurityContext:
enabled: true
fsGroup: 1001
## MariaDB secondary container security context
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container
##
containerSecurityContext:
enabled: true
runAsUser: 1001
## MariaDB secondary container's resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
resources:
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
limits: {}
# memory: 256Mi
# cpu: 100m
requests: {}
# memory: 256Mi
# cpu: 100m
## MariaDB secondary container's liveness and readiness probes
## ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
##
livenessProbe:
enabled: true
initialDelaySeconds: 120
periodSeconds: 10
timeoutSeconds: 1
failureThreshold: 3
successThreshold: 1
readinessProbe:
enabled: true
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 1
failureThreshold: 3
successThreshold: 1
## MariaDB secondary custom liveness probe
##
customLivenessProbe: {}
## MariaDB secondary custom rediness probe
##
customReadinessProbe: {}
## MariaDB secondary additional command line flags
## Can be used to specify command line flags, for example:
## E.g.
## extraFlags: "--max-connect-errors=1000 --max_connections=155"
##
extraFlags: ""
## An array to add extra environment variables on MariaDB secondary containers
## E.g.
## extraEnvVars:
## - name: TZ
## value: "Europe/Paris"
##
extraEnvVars: []
## ConfigMap with extra env vars for MariaDB secondary containers:
##
extraEnvVarsCM: ""
## Secret with extra env vars for MariaDB secondary containers:
##
extraEnvVarsSecret: ""
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
persistence:
## If true, use a Persistent Volume Claim, If false, use emptyDir
##
enabled: true
## Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: "-"
## Persistent Volume Claim annotations
##
annotations: {}
## Persistent Volume Access Mode
##
accessModes:
- ReadWriteOnce
## Persistent Volume size
##
size: 8Gi
## selector can be used to match an existing PersistentVolume
## selector:
## matchLabels:
## app: my-app
selector: {}
## Extra volumes to add to the MariaDB Secondary pod(s)
##
extraVolumes: []
## Extra volume mounts to add to the MariaDB Secondary container(s)
##
extraVolumeMounts: []
## Extra init containers to add to the MariaDB Secondary pod(s)
##
initContainers: []
## Extra sidecar containers to add to the MariaDB Secondary pod(s)
##
sidecars: []
## MariaDB Secondary Service parameters
##
service:
## Service type
##
type: ClusterIP
## Service port
##
port: 3306
## Specify the nodePort value for the LoadBalancer and NodePort service types.
## ref: https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport
##
nodePort: ""
## Service clusterIP
##
# clusterIP: None
clusterIP: ""
## Set the LoadBalancer service type to internal only.
## ref: https://kubernetes.io/docs/concepts/services-networking/service/#internal-load-balancer
##
loadBalancerIP: ""
## Load Balancer sources
## https://kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/#restrict-access-for-loadbalancer-service
## E.g.
## loadBalancerSourceRanges:
## - 10.10.10.0/24
##
loadBalancerSourceRanges: []
## Provide any additional annotations which may be required
##
annotations: {}
## MariaDB secondary Pod Disruption Budget configuration
## ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
##
pdb:
create: false
## Min number of pods that must still be available after the eviction
##
minAvailable: 1
## Max number of pods that can be unavailable after the eviction
##
# maxUnavailable: 1
## MariaDB pods ServiceAccount
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
##
serviceAccount:
## Specifies whether a ServiceAccount should be created
##
create: true
## The name of the ServiceAccount to use.
## If not set and create is true, a name is generated using the mariadb.fullname template
##
# name:
## Annotations to add to the service account (evaluated as a template)
##
annotations: {}
## Role Based Access
## ref: https://kubernetes.io/docs/admin/authorization/rbac/
##
rbac:
## Specifies whether RBAC rules should be created
##
create: false
## Init containers parameters:
## volumePermissions: Change the owner and group of the persistent volume mountpoint to runAsUser:fsGroup values from the securityContext section.
##
volumePermissions:
enabled: false
image:
registry: docker.io
repository: bitnami/minideb
tag: buster
pullPolicy: Always
## Optionally specify an array of imagePullSecrets.
## Secrets must be manually created in the namespace.
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
##
# pullSecrets:
# - myRegistryKeySecretName
resources: {}
## Mysqld Prometheus exporter parameters
##
metrics:
enabled: false
image:
registry: docker.io
repository: bitnami/mysqld-exporter
tag: 0.12.1-debian-10-r289
pullPolicy: IfNotPresent
## Optionally specify an array of imagePullSecrets.
## Secrets must be manually created in the namespace.
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
##
# pullSecrets:
# - myRegistryKeySecretName
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: "9104"
## Extra args to be passed to mysqld_exporter
## ref: https://github.com/prometheus/mysqld_exporter/
## E.g.
## - --collect.auto_increment.columns
## - --collect.binlog_size
## - --collect.engine_innodb_status
## - --collect.engine_tokudb_status
## - --collect.global_status
## - --collect.global_variables
## - --collect.info_schema.clientstats
## - --collect.info_schema.innodb_metrics
## - --collect.info_schema.innodb_tablespaces
## - --collect.info_schema.innodb_cmp
## - --collect.info_schema.innodb_cmpmem
## - --collect.info_schema.processlist
## - --collect.info_schema.processlist.min_time
## - --collect.info_schema.query_response_time
## - --collect.info_schema.tables
## - --collect.info_schema.tables.databases
## - --collect.info_schema.tablestats
## - --collect.info_schema.userstats
## - --collect.perf_schema.eventsstatements
## - --collect.perf_schema.eventsstatements.digest_text_limit
## - --collect.perf_schema.eventsstatements.limit
## - --collect.perf_schema.eventsstatements.timelimit
## - --collect.perf_schema.eventswaits
## - --collect.perf_schema.file_events
## - --collect.perf_schema.file_instances
## - --collect.perf_schema.indexiowaits
## - --collect.perf_schema.tableiowaits
## - --collect.perf_schema.tablelocks
## - --collect.perf_schema.replication_group_member_stats
## - --collect.slave_status
## - --collect.slave_hosts
## - --collect.heartbeat
## - --collect.heartbeat.database
## - --collect.heartbeat.table
##
extraArgs:
primary: []
secondary: []
## Mysqld Prometheus exporter resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
resources:
# We usually recommend not to specify default resources and to leave this as a conscious
# choice for the user. This also increases chances charts run on environments with little
# resources, such as Minikube. If you do want to specify resources, uncomment the following
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
limits: {}
# memory: 256Mi
# cpu: 100m
requests: {}
# memory: 256Mi
# cpu: 100m
## Mysqld Prometheus exporter liveness and readiness probes
## ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
##
livenessProbe:
enabled: true
initialDelaySeconds: 120
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
readinessProbe:
enabled: true
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
## Prometheus Service Monitor
## ref: https://github.com/coreos/prometheus-operator
##
serviceMonitor:
## If the operator is installed in your cluster, set to true to create a Service Monitor Entry
##
enabled: false
## Specify the namespace in which the serviceMonitor resource will be created
##
# namespace: ""
## Specify the interval at which metrics should be scraped
##
interval: 30s
## Specify the timeout after which the scrape is ended
##
# scrapeTimeout: 30s
## Specify Metric Relabellings to add to the scrape endpoint
##
# relabellings:
## Specify honorLabels parameter to add the scrape endpoint
##
honorLabels: false
## Specify the release for ServiceMonitor. Sometimes it should be custom for prometheus operator to work
##
# release: ""
## Used to pass Labels that are used by the Prometheus installed in your cluster to select Service Monitors to work with
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#prometheusspec
##
additionalLabels: {}