## Globally shared configuration
global:
  # -- Default priority class for all components
  priorityClassName: ""
  # -- Openshift compatibility options
  compatibility:
    openshift:
      adaptSecurityContext: auto

## -- Image information for Redis HA
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
image:
  # -- Redis image repository
  repository: public.ecr.aws/docker/library/redis
  # -- Redis image tag
  tag: 7.2.4-alpine
  # -- Redis image pull policy
  pullPolicy: IfNotPresent

# -- Full name of the Redis HA Resources
fullNameOverride: ""

# -- Name override for Redis HA resources
nameOverride: ""

## Reference to one or more secrets to be used when pulling images
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
## This imagePullSecrets is only for redis images
##
# -- Reference to one or more secrets to be used when pulling redis images
imagePullSecrets: []
# - name: "image-pull-secret"

# -- Number of redis master/slave
replicas: 3

## Customize the statefulset pod management policy:
## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#pod-management-policies
# -- The statefulset pod management policy
podManagementPolicy: OrderedReady

## read-only replicas
## indexed slaves get never promoted to be master
## index starts with 0 - which is master on init
## i.e. "8,9" means 8th and 9th slave will be replica with replica-priority=0
## see also: https://redis.io/topics/sentinel
# -- Comma separated list of slaves which never get promoted to be master.
# Count starts with 0. Allowed values 1-9. i.e. 3,4 - 3th and 4th redis slave never make it to be master, where master is index 0.
ro_replicas: ""

# -- Kubernetes priorityClass name for the redis-ha-server pod
priorityClassName: ""

# -- Custom labels for the redis pod
labels: {}

# -- Custom labels for redis service
serviceLabels: {}

## Custom labels for the redis configmap
configmap:
  # -- Custom labels for the redis configmap
  labels: {}

## ConfigMap Test Parameters
configmapTest:
  # -- Image for redis-ha-configmap-test hook
  image:
    # -- Repository of the configmap shellcheck test image.
    repository: koalaman/shellcheck
    # -- Tag of the configmap shellcheck test image.
    tag: v0.5.0
  # -- Resources for the ConfigMap test pod
  resources: {}

## Pods Service Account
## 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 redis-ha.fullname template
  name: ""
  # -- opt in/out of automounting API credentials into container.
  # Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
  automountToken: false
  # -- Annotations to be added to the service account for the redis statefulset
  annotations: {}

## Enables a HA Proxy for better LoadBalancing / Sentinel Master support. Automatically proxies to Redis master.
## Recommend for externally exposed Redis clusters.
## ref: https://cbonte.github.io/haproxy-dconv/1.9/intro.html
haproxy:
  # -- Enabled HAProxy LoadBalancing/Proxy
  enabled: false
  # -- Modify HAProxy service port
  servicePort: 6379
  # -- Modify HAProxy deployment container port
  containerPort: 6379
  # -- Enable TLS termination on HAproxy, This will create a volume mount
  tls:
    # -- If "true" this will enable TLS termination on haproxy
    enabled: false
    # -- Secret containing the .pem file
    secretName: ""
    # -- Key file name
    keyName:
    # -- Path to mount the secret that contains the certificates. haproxy
    certMountPath: /tmp/

  # -- Enable read-only redis-slaves
  readOnly:
    # -- Enable if you want a dedicated port in haproxy for redis-slaves
    enabled: false
    # -- Port for the read-only redis-slaves
    port: 6380
  # -- Number of HAProxy instances
  replicas: 3
  # -- Deployment strategy for the haproxy deployment
  deploymentStrategy:
    type: RollingUpdate
    # rollingUpdate:
    #   maxSurge: 25%
    #   maxUnavailable: 25%
  image:
    # -- HAProxy Image Repository
    repository: public.ecr.aws/docker/library/haproxy
    # -- HAProxy Image Tag
    tag: 2.9.4-alpine
    # -- HAProxy Image PullPolicy
    pullPolicy: IfNotPresent

  # -- Custom labels for the haproxy pod
  labels: {}

  # -- Reference to one or more secrets to be used when pulling images
  # ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
  imagePullSecrets: []
  # - name: "image-pull-secret"

  # -- HAProxy template annotations
  annotations: {}
  # -- HAProxy resources
  resources: {}
  # -- Configuration of `emptyDir`
  emptyDir: {}

  # -- Pod Disruption Budget
  # ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
  podDisruptionBudget: {}
    # Use only one of the two
    # maxUnavailable: 1
    # minAvailable: 1

  ## Enable sticky sessions to Redis nodes via HAProxy
  ## Very useful for long-living connections as in case of Sentry for example
  # -- HAProxy sticky load balancing to Redis nodes. Helps with connections shutdown.
  stickyBalancing: false
  # -- Kubernetes priorityClass name for the haproxy pod
  priorityClassName: ""

  ## Service for HAProxy
  service:
    # -- HAProxy service type "ClusterIP", "LoadBalancer" or "NodePort"
    type: ClusterIP
    # -- (int) HAProxy service nodePort value (haproxy.service.type must be NodePort)
    nodePort: ~
    # -- HAProxy service loadbalancer IP
    loadBalancerIP:
    # -- (string) HAProxy service externalTrafficPolicy value (haproxy.service.type must be LoadBalancer)
    externalTrafficPolicy: ~
    # -- HAProxy external IPs
    externalIPs: {}
    # -- HAProxy service labels
    labels: {}
    # -- HAProxy service annotations
    annotations: null

    # -- List of CIDR's allowed to connect to LoadBalancer
    loadBalancerSourceRanges: []

  # -- HAProxy serviceAccountName
  serviceAccountName: redis-sa
  serviceAccount:
    # -- Specifies whether a ServiceAccount should be created
    create: true
    automountToken: false

  ## Official HAProxy embedded prometheus metrics settings.
  ## Ref: https://github.com/haproxy/haproxy/tree/master/contrib/prometheus-exporter
  ##
  metrics:
    # -- HAProxy enable prometheus metric scraping
    enabled: false
    # -- HAProxy prometheus metrics scraping port
    port: 9101
    # -- HAProxy metrics scraping port name
    portName: http-exporter-port
    # -- HAProxy prometheus metrics scraping path
    scrapePath: /metrics

    serviceMonitor:
      # -- When set true then use a ServiceMonitor to configure scraping
      enabled: false
      # -- Set the namespace the ServiceMonitor should be deployed
      # @default -- `.Release.Namespace`
      namespace: ""
      # -- Set how frequently Prometheus should scrape (default is 30s)
      interval: ""
      # -- Set path to redis-exporter telemtery-path (default is /metrics)
      telemetryPath: ""
      # -- Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
      labels: {}
      # -- Set timeout for scrape (default is 10s)
      timeout: ""
      # -- Set additional properties for the ServiceMonitor endpoints such as relabeling, scrapeTimeout, tlsConfig, and more.
      endpointAdditionalProperties: {}
      # -- Disable API Check on ServiceMonitor
      disableAPICheck: false
  init:
    # -- Extra init resources
    resources: {}
  timeout:
    # -- haproxy.cfg `timeout connect` setting
    connect: 4s
    # -- haproxy.cfg `timeout server` setting
    server: 330s
    # -- haproxy.cfg `timeout client` setting
    client: 330s
    # -- haproxy.cfg `timeout check` setting
    check: 2s
  # -- haproxy.cfg `check inter` setting
  checkInterval: 1s
  # -- haproxy.cfg `check fall` setting
  checkFall: 1

  # -- Security context to be added to the HAProxy deployment.
  securityContext:
    runAsUser: 99
    fsGroup: 99
    runAsNonRoot: true

  # -- Security context to be added to the HAProxy containers.
  containerSecurityContext:
    runAsNonRoot: true
    allowPrivilegeEscalation: false
    seccompProfile:
      type: RuntimeDefault
    capabilities:
      drop:
      - ALL

  # -- Whether the haproxy pods should be forced to run on separate nodes.
  hardAntiAffinity: true

  # -- Additional affinities to add to the haproxy pods.
  additionalAffinities: {}

  # -- Override all other affinity settings for the haproxy pods with a string.
  affinity: |

  ## Custom config-haproxy.cfg files used to override default settings. If this file is
  ## specified then the config-haproxy.cfg above will be ignored.
  # -- (string) Allows for custom config-haproxy.cfg file to be applied. If this is used then default config will be overwriten
  customConfig: ~
  # customConfig: |-
    # Define configuration here

  ## Place any additional configuration section to add to the default config-haproxy.cfg
  # -- (string) Allows to place any additional configuration section to add to the default config-haproxy.cfg
  extraConfig: ~
  # extraConfig: |-
    # Define configuration here

  # -- Container lifecycle hooks.
  # Ref: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/
  lifecycle: {}

  ## HAProxy test related options
  tests:
    # -- Pod resources for the tests against HAProxy.
    resources: {}

  ## Enable HAProxy parameters to bind and consume IPv6 addresses. Enabled by default.
  IPv6:
    # -- Enable HAProxy parameters to bind and consume IPv6 addresses. Enabled by default.
    enabled: true

  networkPolicy:
    # -- whether NetworkPolicy for Haproxy should be created
    enabled: false
    # -- Annotations for Haproxy NetworkPolicy
    annotations: {}
    # -- Labels for Haproxy NetworkPolicy
    labels: {}
    # -- user defined ingress rules that Haproxy should permit into.
    # uses the format defined in https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
    ingressRules: []
      # - selectors:
      #   - namespaceSelector:
      #       matchLabels:
      #         name: my-redis-client-namespace
      #     podSelector:
      #       matchLabels:
      #         application: redis-client
      ## if ports is not defined then it defaults to the ports defined for enabled services (redis, sentinel)
      #   ports:
      #     - port: 6379
      #       protocol: TCP
      #     - port: 26379
      #       protocol: TCP

    # -- user can define egress rules too, uses the same structure as ingressRules
    egressRules: []

## Role Based Access
## Ref: https://kubernetes.io/docs/admin/authorization/rbac/
##
rbac:
  # -- Create and use RBAC resources
  create: true

# NOT RECOMMENDED: Additional container in which you can execute arbitrary commands to update sysctl parameters
# You can now use securityContext.sysctls to leverage this capability
# Ref: https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/
##
sysctlImage:
  # -- Enable an init container to modify Kernel settings
  enabled: false
  # -- sysctlImage command to execute
  command: []
  # -- sysctlImage Init container registry
  registry: public.ecr.aws/docker/library
  # -- sysctlImage Init container name
  repository: busybox
  # -- sysctlImage Init container tag
  tag: 1.34.1
  # -- sysctlImage Init container pull policy
  pullPolicy: Always
  # -- Mount the host `/sys` folder to `/host-sys`
  mountHostSys: false
  # -- sysctlImage resources
  resources: {}

# -- Use an alternate scheduler, e.g. "stork".
# ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
schedulerName: ""

## Redis specific configuration options
redis:
  # -- Port to access the redis service
  port: 6379
  # -- Redis convention for naming the cluster group: must match `^[\\w-\\.]+$` and can be templated
  masterGroupName: "mymaster"       # must match ^[\\w-\\.]+$) and can be templated

  # -- Allows overriding the redis container command
  customCommand: []
  # - bash

  # -- Allows overriding the redis container arguments
  customArgs: []
  # - "custom-startup.sh"

  # -- Load environment variables from ConfigMap/Secret
  envFrom: []
  # - secretRef:
  #     name: add-env-secret

  ## Configures redis with tls-port parameter
  # -- (int) TLS Port to access the redis service
  tlsPort: ~
  # tlsPort: 6385

  # -- (bool) Configures redis with tls-replication parameter, if true sets "tls-replication yes" in redis.conf
  tlsReplication: ~

  # -- It is possible to disable client side certificates authentication when "authClients" is set to "no"
  authClients: ""
  # authClients: "no"

  # -- Increase terminationGracePeriodSeconds to allow writing large RDB snapshots. (k8s default is 30s)
  # ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-termination-forced
  terminationGracePeriodSeconds: 60

  # -- Liveness probe parameters for redis container
  livenessProbe:
    # -- Enable the Liveness Probe
    enabled: true
    # -- Initial delay in seconds for liveness probe
    initialDelaySeconds: 30
    # -- Period in seconds after which liveness probe will be repeated
    periodSeconds: 15
    # -- Timeout seconds for liveness probe
    timeoutSeconds: 15
    # -- Success threshold for liveness probe
    successThreshold: 1
    # -- Failure threshold for liveness probe
    failureThreshold: 5

  # -- Readiness probe parameters for redis container
  readinessProbe:
    # -- Enable the Readiness Probe
    enabled: true
    # -- Initial delay in seconds for readiness probe
    initialDelaySeconds: 30
    # -- Period in seconds after which readiness probe will be repeated
    periodSeconds: 15
    # -- Timeout seconds for readiness probe
    timeoutSeconds: 15
    # -- Success threshold for readiness probe
    successThreshold: 1
    # -- Failure threshold for readiness probe
    failureThreshold: 5

  # -- Startup probe parameters for redis container
  startupProbe:
    # -- Enable Startup Probe
    enabled: true
    # -- Initial delay in seconds for startup probe
    initialDelaySeconds: 5
    # -- Period in seconds after which startup probe will be repeated
    periodSeconds: 10
    # -- Timeout seconds for startup probe
    timeoutSeconds: 15
    # -- Success threshold for startup probe
    successThreshold: 1
    # -- Failure threshold for startup probe
    failureThreshold: 3

  # -- Array with commands to disable
  disableCommands:
    - FLUSHDB
    - FLUSHALL

  # -- Any valid redis config options in this section will be applied to each server, For multi-value configs use list instead of string (for example loadmodule) (see below)
  # @default -- see values.yaml
  config:
    ## -- Additional redis conf options can be added below
    ## -- For all available options see http://download.redis.io/redis-stable/redis.conf
    min-replicas-to-write: 1
    # -- Value in seconds
    min-replicas-max-lag: 5
    # -- Max memory to use for each redis instance. Default is unlimited.
    maxmemory: "0"
    # -- Max memory policy to use for each redis instance. Default is volatile-lru.
    maxmemory-policy: "volatile-lru"
    # -- Determines if scheduled RDB backups are created. Default is false.
    # -- Please note that local (on-disk) RDBs will still be created when re-syncing with a new slave. The only way to prevent this is to enable diskless replication.
    save: "900 1"
    # -- When enabled, directly sends the RDB over the wire to slaves, without using the disk as intermediate storage. Default is false.
    repl-diskless-sync: "yes"
    rdbcompression: "yes"
    rdbchecksum: "yes"

  # -- (string) Allows for custom redis.conf files to be applied. If this is used then `redis.config` is ignored
  customConfig: ~
  # customConfig: |-
    # Define configuration here

  # -- CPU/Memory for master/slave nodes resource requests/limits
  resources: {}
  #  requests:
  #    memory: 200Mi
  #    cpu: 100m
  #  limits:
  #    memory: 700Mi

  # -- Container Lifecycle Hooks for redis container
  # Ref: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/
  # @default -- see values.yaml
  lifecycle:
    preStop:
      exec:
        command: ["/bin/sh", "/readonly-config/trigger-failover-if-master.sh"]

  # -- Annotations for the redis statefulset
  annotations: {}

  # -- Update strategy for Redis StatefulSet
  ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
  updateStrategy:
    type: RollingUpdate

  # -- additional volumeMounts for Redis container
  extraVolumeMounts: []
  #  - name: empty
  #    mountPath: /empty

## Sentinel specific configuration options
sentinel:
  # -- Port to access the sentinel service
  port: 26379

  ## Configure the 'bind' directive to bind to a list of network interfaces
  # bind: 0.0.0.0

  ## Configures sentinel with tls-port parameter
  # -- (int) TLS Port to access the sentinel service
  tlsPort: ~
  # tlsPort: 26385

  # -- (bool) Configures sentinel with tls-replication parameter, if true sets "tls-replication yes" in sentinel.conf
  tlsReplication: ~
  # tlsReplication: true

  # -- It is possible to disable client side certificates authentication when "authClients" is set to "no"
  authClients: ""
  # authClients: "no"

  ## Configures sentinel with AUTH (requirepass params)
  # -- Enables or disables sentinel AUTH (Requires `sentinel.password` to be set)
  auth: false

  # -- (string) A password that configures a `requirepass` in the conf parameters (Requires `sentinel.auth: enabled`)
  password: ~
  # password: password

  # -- An existing secret containing a key defined by `sentinel.authKey` that configures `requirepass`
  # in the conf parameters (Requires `sentinel.auth: enabled`, cannot be used in conjunction with `.Values.sentinel.password`)
  existingSecret: ""

  ## Defines the key holding the sentinel password in existing secret.
  # -- The key holding the sentinel password in an existing secret.
  authKey: sentinel-password

  customCommand: []
  customArgs: []

  # liveness probe parameters for sentinel container
  livenessProbe:
    enabled: true
    # -- Initial delay in seconds for liveness probe
    initialDelaySeconds: 30
    # -- Period in seconds after which liveness probe will be repeated
    periodSeconds: 15
    # -- Timeout seconds for liveness probe
    timeoutSeconds: 15
    # -- Success threshold for liveness probe
    successThreshold: 1
    # -- Failure threshold for liveness probe
    failureThreshold: 5

  # readiness probe parameters for sentinel container
  readinessProbe:
    enabled: true
    # -- Initial delay in seconds for readiness probe
    initialDelaySeconds: 30
    # -- Period in seconds after which readiness probe will be repeated
    periodSeconds: 15
    # -- Timeout seconds for readiness probe
    timeoutSeconds: 15
    # -- Success threshold for readiness probe
    successThreshold: 3
    # -- Failure threshold for readiness probe
    failureThreshold: 5

  # -- Startup probe parameters for redis container
  startupProbe:
    # -- Enable Startup Probe
    enabled: true
    # -- Initial delay in seconds for startup probe
    initialDelaySeconds: 5
    # -- Period in seconds after which startup probe will be repeated
    periodSeconds: 10
    # -- Timeout seconds for startup probe
    timeoutSeconds: 15
    # -- Success threshold for startup probe
    successThreshold: 1
    # -- Failure threshold for startup probe
    failureThreshold: 3

  # -- Minimum number of nodes expected to be live.
  quorum: 2

  # -- Valid sentinel config options in this section will be applied as config options to each sentinel (see below)
  # @default -- see values.yaml
  config:
    ## Additional sentinel conf options can be added below. Only options that
    ## are expressed in the format simialar to 'sentinel xxx mymaster xxx' will
    ## be properly templated expect maxclients option.
    ## For available options see http://download.redis.io/redis-stable/sentinel.conf
    down-after-milliseconds: 10000
    ## Failover timeout value in milliseconds
    failover-timeout: 180000
    parallel-syncs: 5
    maxclients: 10000

  ## Custom sentinel.conf files used to override default settings. If this file is
  ## specified then the sentinel.config above will be ignored.
  # -- Allows for custom sentinel.conf files to be applied. If this is used then `sentinel.config` is ignored
  customConfig: ""
  # customConfig: |-
    # Define configuration here

  # -- CPU/Memory for sentinel node resource requests/limits
  resources: {}
  #  requests:
  #    memory: 200Mi
  #    cpu: 100m
  #  limits:
  #    memory: 200Mi

  # -- Container Lifecycle Hooks for sentinel container.
  # Ref: https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/
  lifecycle: {}

  # -- additional volumeMounts for Sentinel container
  extraVolumeMounts: []
  #  - name: empty
  #    mountPath: /empty

# -- Security context to be added to the Redis StatefulSet.
securityContext:
  runAsUser: 1000
  fsGroup: 1000
  runAsNonRoot: true

# -- Security context to be added to the Redis containers.
containerSecurityContext:
  runAsUser: 1000
  runAsNonRoot: true
  allowPrivilegeEscalation: false
  seccompProfile:
    type: RuntimeDefault
  capabilities:
    drop:
    - ALL

  ## Assuming your kubelet allows it, you can the following instructions to configure
  ## specific sysctl parameters
  ##
  # sysctls:
  # - name: net.core.somaxconn
  #   value: '10000'

## Node labels, affinity, and tolerations for pod assignment
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
# -- Node labels for pod assignment
nodeSelector: {}

# -- Whether the Redis server pods should be forced to run on separate nodes.
## This is accomplished by setting their AntiAffinity with requiredDuringSchedulingIgnoredDuringExecution as opposed to preferred.
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#inter-pod-affinity-and-anti-affinity-beta-feature
hardAntiAffinity: true

# -- Additional affinities to add to the Redis server pods.
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
additionalAffinities: {}
##
## Example:
##   nodeAffinity:
##     preferredDuringSchedulingIgnoredDuringExecution:
##       - weight: 50
##         preference:
##           matchExpressions:
##             - key: spot
##               operator: NotIn
##               values:
##                 - "true"
##

# -- Override all other affinity settings for the Redis server pods with a string.
affinity: |
##
## Example:
## affinity: |
##   podAntiAffinity:
##     requiredDuringSchedulingIgnoredDuringExecution:
##       - labelSelector:
##           matchLabels:
##             app: {{ template "redis-ha.name" . }}
##             release: {{ .Release.Name }}
##         topologyKey: kubernetes.io/hostname
##     preferredDuringSchedulingIgnoredDuringExecution:
##       - weight: 100
##         podAffinityTerm:
##           labelSelector:
##             matchLabels:
##               app:  {{ template "redis-ha.name" . }}
##               release: {{ .Release.Name }}
##           topologyKey: failure-domain.beta.kubernetes.io/zone
##

## https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
topologySpreadConstraints:
  # -- Enable topology spread constraints
  enabled: false
  # -- Max skew of pods tolerated
  maxSkew: ""
  # -- Topology key for spread constraints
  topologyKey: ""
  # -- Enforcement policy, hard or soft
  whenUnsatisfiable: ""

# Prometheus exporter specific configuration options
exporter:
  # -- If `true`, the prometheus exporter sidecar is enabled
  enabled: false
  # -- Exporter image
  image: oliver006/redis_exporter
  # -- Exporter image tag
  tag: v1.57.0
  # -- Exporter image pullPolicy
  pullPolicy: IfNotPresent

  # -- Exporter port
  port: &exporter_port 9121
  # -- Exporter port name
  portName: exporter-port
  # -- Exporter scrape path
  scrapePath: &exporter_scrapePath /metrics

  # -- Address/Host for Redis instance.
  # Exists to circumvent issues with IPv6 dns resolution that occurs on certain environments
  address: localhost

  ## Set this to true if you want to connect to redis tls port
  # sslEnabled: true

  # -- cpu/memory resource limits/requests
  resources: {}

  # -- Additional args for redis exporter
  extraArgs: {}

  # --  A custom custom Lua script that will be mounted to exporter for collection of custom metrics.
  # Creates a ConfigMap and sets env var `REDIS_EXPORTER_SCRIPT`.
  script: ""
  # Used to mount a LUA-Script via config map and use it for metrics-collection
  # script: |
  #   -- Example script copied from: https://github.com/oliver006/redis_exporter/blob/master/contrib/sample_collect_script.lua
  #   -- Example collect script for -script option
  #   -- This returns a Lua table with alternating keys and values.
  #   -- Both keys and values must be strings, similar to a HGETALL result.
  #   -- More info about Redis Lua scripting: https://redis.io/commands/eval
  #
  #   local result = {}
  #
  #   -- Add all keys and values from some hash in db 5
  #   redis.call("SELECT", 5)
  #   local r = redis.call("HGETALL", "some-hash-with-stats")
  #   if r ~= nil then
  #   for _,v in ipairs(r) do
  #   table.insert(result, v) -- alternating keys and values
  #   end
  #   end
  #
  #   -- Set foo to 42
  #   table.insert(result, "foo")
  #   table.insert(result, "42") -- note the string, use tostring() if needed
  #
  #   return result

  serviceMonitor:
    # -- When set true then use a ServiceMonitor to configure scraping
    enabled: false
    # -- Set the namespace the ServiceMonitor should be deployed
    # @default -- `.Release.Namespace`
    namespace: ""
    # -- Set how frequently Prometheus should scrape (default is 30s)
    interval: ""
    # -- Set path to redis-exporter telemtery-path (default is /metrics)
    telemetryPath: ""
    # -- Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
    labels: {}
    # -- Set timeout for scrape (default is 10s)
    timeout: ""
    # -- Set additional properties for the ServiceMonitor endpoints such as relabeling, scrapeTimeout, tlsConfig, and more.
    endpointAdditionalProperties: {}
    # -- Disable API Check on ServiceMonitor
    disableAPICheck: false

  # prometheus exporter SCANS redis db which can take some time
  # allow different probe settings to not let container crashloop
  livenessProbe:
    httpGet:
      # -- Exporter liveness probe httpGet path
      path: *exporter_scrapePath
      # -- Exporter liveness probe httpGet port
      port: *exporter_port
    # -- Initial delay in seconds for liveness probe of exporter
    initialDelaySeconds: 15
    # -- Timeout seconds for liveness probe of exporter
    timeoutSeconds: 3
    # -- Period in seconds after which liveness probe will be repeated
    periodSeconds: 15

  readinessProbe:
    httpGet:
      # -- Exporter readiness probe httpGet path
      path: *exporter_scrapePath
      # -- Exporter readiness probe httpGet port
      port: *exporter_port
    # -- Initial delay in seconds for readiness probe of exporter
    initialDelaySeconds: 15
    # -- Timeout seconds for readiness probe of exporter
    timeoutSeconds: 3
    # -- Period in seconds after which readiness probe will be repeated
    periodSeconds: 15
    # -- Success threshold for readiness probe of exporter
    successThreshold: 2

# -- Pod Disruption Budget rules
podDisruptionBudget: {}
  # Use only one of the two
  # maxUnavailable: 1
  # minAvailable: 1

# -- Configures redis with AUTH (requirepass & masterauth conf params)
auth: false
# -- (string) A password that configures a `requirepass` and `masterauth` in the conf parameters (Requires `auth: enabled`)
redisPassword: ~

## Use existing secret containing key `authKey` (ignores redisPassword)
## Can also store AWS S3 or SSH secrets in this secret
# -- An existing secret containing a key defined by `authKey` that configures `requirepass` and `masterauth` in the conf
# parameters (Requires `auth: enabled`, cannot be used in conjunction with `.Values.redisPassword`)
existingSecret: ~

# -- Defines the key holding the redis password in existing secret.
authKey: auth

persistentVolume:
  # -- Enable persistent volume
  enabled: true
  ## redis-ha data 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: "-"
  # -- redis-ha data Persistent Volume Storage Class
  storageClass: ~
  # -- Persistent volume access modes
  accessModes:
    - ReadWriteOnce
  # -- Persistent volume size
  size: 10Gi
  # -- Annotations for the volume
  annotations: {}
  # -- Labels for the volume
  labels: {}
init:
  # -- Extra init resources
  resources: {}

# To use a hostPath for data, set persistentVolume.enabled to false
# and define hostPath.path.
# Warning: this might overwrite existing folders on the host system!
hostPath:
  # -- Use this path on the host for data storage.
  # path is evaluated as template so placeholders are replaced
  path: ""
  # path: "/data/{{ .Release.Name }}"

  # -- if chown is true, an init-container with root permissions is launched to
  # change the owner of the hostPath folder to the user defined in the
  # security context
  chown: true

# -- Configuration of `emptyDir`, used only if persistentVolume is disabled and no hostPath specified
emptyDir: {}

tls:
  ## Fill the name of secret if you want to use your own TLS certificates.
  ## The secret should contains keys named by "tls.certFile" - the certificate, "tls.keyFile" - the private key, "tls.caCertFile" - the certificate of CA and "tls.dhParamsFile" - the dh parameter file
  ## These secret will be genrated using files from certs folder if the secretName is not set and redis.tlsPort is set
  # secretName: tls-secret

  # -- Name of certificate file
  certFile: redis.crt
  # -- Name of key file
  keyFile: redis.key
  # -- (string) Name of Diffie-Hellman (DH) key exchange parameters file (Example: redis.dh)
  dhParamsFile: ~
  # -- Name of CA certificate file
  caCertFile: ca.crt

# restore init container is executed if restore.[s3|ssh].source is not false
# restore init container creates /data/dump.rdb_ from original if exists
# restore init container overrides /data/dump.rdb
# secrets are stored into environment of init container - stored encoded on k8s
# REQUIRED for s3 restore: AWS 'access_key' and 'secret_key' or stored in existingSecret
# EXAMPLE source for s3 restore: 's3://bucket/dump.rdb'
# REQUIRED for ssh restore: 'key' should be in one line including CR i.e. '-----BEGIN RSA PRIVATE KEY-----\n...\n...\n...\n-----END RSA PRIVATE KEY-----'
# EXAMPLE source for ssh restore: 'user@server:/path/dump.rdb'
restore:
  # -- Timeout for the restore
  timeout: 600
  # -- Set existingSecret to true to use secret specified in existingSecret above
  existingSecret: false
  s3:
    # -- Restore init container - AWS S3 location of dump - i.e. s3://bucket/dump.rdb or false
    source: ""
    # If using existingSecret, that secret must contain:
    # AWS_SECRET_ACCESS_KEY: <YOUR_ACCESS_KEY:>
    # AWS_ACCESS_KEY_ID: <YOUR_KEY_ID>
    # If not set the key and ID as strings below:
    # -- Restore init container - AWS AWS_ACCESS_KEY_ID to access restore.s3.source
    access_key: ""
    # -- Restore init container - AWS AWS_SECRET_ACCESS_KEY to access restore.s3.source
    secret_key: ""
    # -- Restore init container - AWS AWS_REGION to access restore.s3.source
    region: ""
  ssh:
    # -- Restore init container - SSH scp location of dump - i.e. user@server:/path/dump.rdb or false
    source: ""
    # -- Restore init container - SSH private key to scp restore.ssh.source to init container.
    # Key should be in one line separated with \n.
    # i.e. `-----BEGIN RSA PRIVATE KEY-----\n...\n...\n-----END RSA PRIVATE KEY-----`
    key: ""

## Custom PrometheusRule to be defined
## The value is evaluated as a template, so, for example, the value can depend on .Release or .Chart
## ref: https://github.com/coreos/prometheus-operator#customresourcedefinitions
prometheusRule:
  # -- If true, creates a Prometheus Operator PrometheusRule.
  enabled: false
  # -- Additional labels to be set in metadata.
  additionalLabels: {}
  # -- Namespace which Prometheus is running in.
  namespace:
  # -- How often rules in the group are evaluated (falls back to `global.evaluation_interval` if not set).
  interval: 10s
  # -- Rules spec template (see https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/api.md#rule).
  rules: []
    # Example:
    # - alert: RedisPodDown
    #   expr: |
    #     redis_up{job="{{ include "redis-ha.fullname" . }}"} == 0
    #   for: 5m
    #   labels:
    #     severity: critical
    #   annotations:
    #     description: Redis pod {{ "{{ $labels.pod }}" }} is down
    #     summary: Redis pod {{ "{{ $labels.pod }}" }} is down

# -- Extra init containers to include in StatefulSet
extraInitContainers: []
#  - name: extraInit
#    image: alpine

# -- Extra containers to include in StatefulSet
extraContainers: []
#  - name: extra
#    image: alpine

# -- Extra volumes to include in StatefulSet
extraVolumes: []
#  - name: empty
#    emptyDir: {}

# -- Labels added here are applied to all created resources
extraLabels: {}

networkPolicy:
  # -- whether NetworkPolicy for Redis StatefulSets should be created.
  # when enabled, inter-Redis connectivity is created
  enabled: false
  # -- Annotations for NetworkPolicy
  annotations: {}
  # -- Labels for NetworkPolicy
  labels: {}
  # -- User defined ingress rules that Redis should permit into.
  # Uses the format defined in https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
  ingressRules: []
    # - selectors:
    #   - namespaceSelector:
    #       matchLabels:
    #         name: my-redis-client-namespace
    #     podSelector:
    #       matchLabels:
    #         application: redis-client
    ## if ports is not defined then it defaults to the ports defined for enabled services (redis, sentinel)
    #   ports:
    #     - port: 6379
    #       protocol: TCP
    #     - port: 26379
    #       protocol: TCP

  # -- user can define egress rules too, uses the same structure as ingressRules
  egressRules:
    - selectors:
      # -- Allow all destinations for DNS traffic
      - namespaceSelector: {}
      - ipBlock:
          # Cloud Provider often uses the local link local range to host managed DNS resolvers.
          # We need to allow this range to ensure that the Redis pods can resolve DNS.
          # Example architecture for GCP Cloud DNS: https://cloud.google.com/kubernetes-engine/docs/how-to/cloud-dns#architecture
          cidr: 169.254.0.0/16
      ports:
        - port: 53
          protocol: UDP
        - port: 53
          protocol: TCP

splitBrainDetection:
  # -- Interval between redis sentinel and server split brain checks (in seconds)
  interval: 60
  # -- splitBrainDetection resources
  resources: {}