values.yaml

## @section Global parameters
## Global Docker image parameters

global:
  ## @param global.imageRegistry Global Docker image registry
  imageRegistry: ""
  ## @param global.imagePullSecrets Global Docker registry secret names as an array
  imagePullSecrets: []

## @section Common parameters

## @param kubeVersion Override Kubernetes version detection
kubeVersion: ""
## @param nameOverride String to partially override memcached.fullname
nameOverride: ""
## @param fullnameOverride String to fully override memcached.fullname
fullnameOverride: ""
## @param clusterDomain Kubernetes cluster domain name
clusterDomain: cluster.local
## @param commonLabels Labels to add to all deployed objects
commonLabels: {}
## @param commonAnnotations Annotations to add to all deployed objects
commonAnnotations: {}

## @section Memcached parameters

## Memcached image configuration
image:
  ## @param image.registry Memcached image registry
  registry: docker.io
  ## @param image.repository Memcached image repository
  repository: memcached
  ## @param image.tag Memcached image tag (immutable tags are recommended)
  tag: "1.6.39-alpine"
  ## @param image.pullPolicy Memcached image pull policy
  ## Defaults: Always (if :latest tag) | IfNotPresent (if specific tag)
  pullPolicy: IfNotPresent
  ## @param image.pullSecrets Memcached image pull secrets
  ## E.g:
  ## pullSecrets:
  ##   - myRegistryKeySecretName
  pullSecrets: []


## Authentication configuration
auth:
  ## @param auth.enabled Enable SASL authentication
  enabled: false
  ## @param auth.username Memcached SASL username
  username: ""
  ## @param auth.password Memcached SASL password
  password: ""
  ## @param auth.existingSecret Name of existing secret containing password (key: memcached-password)
  existingSecret: ""

## @param replicaCount Number of Memcached replicas to deploy
replicaCount: 1

## Memcached Memory and Performance Configuration
memcached:
  ## @param memcached.allocatedMemory Maximum memory to use for items in megabytes (-m flag)
  allocatedMemory: 64
  ## @param memcached.maxItemMemory Max item size in megabytes. Adjusts max item size from default 1MB (-I flag)
  maxItemMemory: 1
  ## @param memcached.connectionLimit Maximum simultaneous connections (-c flag)
  connectionLimit: 1024
  ## @param memcached.extendedOptions Extended memory options (-o flag)
  ## Options: modern, no_modern, slab_reassign, slab_automove, hash_algorithm, maxconns_fast, lru_crawler, lru_maintainer
  extendedOptions: "modern"
  ## @param memcached.extraExtendedOptions Additional extended options to append
  ## When persistence.enabled=true, extstore configuration is automatically added:
  ## - ext_path={persistence.mountPath}/extstore:{size}G (size is 90% of persistence.size)
  ## - ext_wbuf_size=16 (unless you override it here)
  ## Use this field to add other extstore options or override defaults
  extraExtendedOptions: ""
  ## @param memcached.verbosity Verbosity level (v=verbose, vv=more verbose, vvv=extremely verbose)
  verbosity: "v"
  ## @param memcached.port Memcached port (-p flag)
  port: 11211

## Persistence configuration (note: memcached is in-memory, persistence is for extstore only)
persistence:
  ## @param persistence.enabled Enable persistence using Persistent Volume Claims
  enabled: false
  ## @param persistence.storageClass Persistent Volume storage class
  ## If defined, storageClassName: <storageClass>
  ## If undefined (default) or set to null, no storageClassName spec is set
  storageClass: ""
  ## @param persistence.annotations Additional custom annotations for the PVC
  annotations: {}
  ## @param persistence.labels Additional custom labels for the PVC
  labels: {}
  ## @param persistence.accessModes Persistent Volume access modes
  accessModes:
    - ReadWriteOnce
  ## @param persistence.size Persistent Volume size
  size: 8Gi
  ## @param persistence.selector Selector to match an existing Persistent Volume
  ## E.g:
  ## selector:
  ##   matchLabels:
  ##     app: my-app
  selector: {}
  ## @param persistence.mountPath Path to mount the volume at
  mountPath: /data

## @param command Override default container command (useful when using custom images)
command: []

## @param extraArgs Additional command line arguments to pass to memcached
## E.g:
## extraArgs:
##   - name: max-memory
##     value: "512"
extraArgs: []

## Autoscaling configuration
autoscaling:
  ## @param autoscaling.enabled Enable Horizontal Pod Autoscaler
  enabled: false
  ## @param autoscaling.minReplicas Minimum number of replicas
  minReplicas: 3
  ## @param autoscaling.maxReplicas Maximum number of replicas
  maxReplicas: 6
  ## @param autoscaling.targetCPU Target CPU utilization percentage
  targetCPU: 50
  ## @param autoscaling.targetMemory Target Memory utilization percentage
  targetMemory: 50

## @param podLabels Extra labels for Memcached pods
podLabels: {}
## @param podAnnotations Annotations for Memcached pods
podAnnotations: {}
## @param podAffinityPreset Pod affinity preset. Allowed values: soft or hard
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
podAffinityPreset: ""
## @param podAntiAffinityPreset Pod anti-affinity preset. Allowed values: soft or hard
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#inter-pod-affinity-and-anti-affinity
podAntiAffinityPreset: soft

## Node affinity preset
## Ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#node-affinity
nodeAffinityPreset:
  ## @param nodeAffinityPreset.type Node affinity preset type. Allowed values: soft or hard
  type: ""
  ## @param nodeAffinityPreset.key Node label key to match
  key: ""
  ## @param nodeAffinityPreset.values Node label values to match
  values: []

## @param affinity Affinity for Memcached pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
affinity: {}
## @param nodeSelector Node labels for Memcached pods assignment
## Ref: https://kubernetes.io/docs/user-guide/node-selection/
nodeSelector: {}
## @param tolerations Tolerations for Memcached pods assignment
## Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
tolerations: []
## @param topologySpreadConstraints Topology Spread Constraints for pod assignment
## Ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
topologySpreadConstraints: []

## @param podManagementPolicy Statefulset Pod Management Policy Type (Parallel or OrderedReady)
podManagementPolicy: Parallel
## @param priorityClassName Memcached pods' priorityClassName
priorityClassName: ""
## @param schedulerName Name of the k8s scheduler (other than default)
schedulerName: ""
## @param terminationGracePeriodSeconds Seconds the pod needs to terminate gracefully
terminationGracePeriodSeconds: 30

## Update strategy
updateStrategy:
  ## @param updateStrategy.type Memcached statefulset strategy type (RollingUpdate or OnDelete)
  type: RollingUpdate
  ## @param updateStrategy.rollingUpdate Memcached statefulset rolling update configuration parameters
  rollingUpdate: {}

## @param extraEnvVars Array with extra environment variables to add to Memcached nodes
## E.g:
## extraEnvVars:
##   - name: FOO
##     value: "bar"
extraEnvVars: []
## @param extraEnvVarsCM Name of existing ConfigMap containing extra env vars for Memcached nodes
extraEnvVarsCM: ""
## @param extraEnvVarsSecret Name of existing Secret containing extra env vars for Memcached nodes
extraEnvVarsSecret: ""

## Liveness probe configuration
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
livenessProbe:
  ## @param livenessProbe.enabled Enable livenessProbe on Memcached containers
  enabled: true
  ## @param livenessProbe.initialDelaySeconds Initial delay seconds for livenessProbe
  initialDelaySeconds: 30
  ## @param livenessProbe.periodSeconds Period seconds for livenessProbe
  periodSeconds: 10
  ## @param livenessProbe.timeoutSeconds Timeout seconds for livenessProbe
  timeoutSeconds: 5
  ## @param livenessProbe.failureThreshold Failure threshold for livenessProbe
  failureThreshold: 6
  ## @param livenessProbe.successThreshold Success threshold for livenessProbe
  successThreshold: 1

## Readiness probe configuration
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
readinessProbe:
  ## @param readinessProbe.enabled Enable readinessProbe on Memcached containers
  enabled: true
  ## @param readinessProbe.initialDelaySeconds Initial delay seconds for readinessProbe
  initialDelaySeconds: 5
  ## @param readinessProbe.periodSeconds Period seconds for readinessProbe
  periodSeconds: 5
  ## @param readinessProbe.timeoutSeconds Timeout seconds for readinessProbe
  timeoutSeconds: 3
  ## @param readinessProbe.failureThreshold Failure threshold for readinessProbe
  failureThreshold: 6
  ## @param readinessProbe.successThreshold Success threshold for readinessProbe
  successThreshold: 1

## Startup probe configuration
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
startupProbe:
  ## @param startupProbe.enabled Enable startupProbe on Memcached containers
  enabled: false
  ## @param startupProbe.initialDelaySeconds Initial delay seconds for startupProbe
  initialDelaySeconds: 30
  ## @param startupProbe.periodSeconds Period seconds for startupProbe
  periodSeconds: 10
  ## @param startupProbe.timeoutSeconds Timeout seconds for startupProbe
  timeoutSeconds: 1
  ## @param startupProbe.failureThreshold Failure threshold for startupProbe
  failureThreshold: 15
  ## @param startupProbe.successThreshold Success threshold for startupProbe
  successThreshold: 1

## @param customLivenessProbe Custom livenessProbe that overrides the default one
customLivenessProbe: {}
## @param customReadinessProbe Custom readinessProbe that overrides the default one
customReadinessProbe: {}
## @param customStartupProbe Custom startupProbe that overrides the default one
customStartupProbe: {}

## Resource requests and limits
## Ref: https://kubernetes.io/docs/user-guide/compute-resources/
resources:
  ## @param resources.limits The resources limits for the Memcached containers
  limits: {}
  ## @param resources.requests The requested resources for the Memcached containers
  requests:
    memory: 256Mi
    cpu: 250m

## Configure Pods Security Context
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
podSecurityContext:
  ## @param podSecurityContext.enabled Enabled Memcached pods' Security Context
  enabled: true
  ## @param podSecurityContext.fsGroup Set Memcached pod's Security Context fsGroup
  fsGroup: 1001
  ## @param podSecurityContext.seccompProfile.type Set container's Security Context seccomp profile
  seccompProfile:
    type: RuntimeDefault

## Configure Container Security Context
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container
containerSecurityContext:
  ## @param containerSecurityContext.enabled Enabled Memcached containers' Security Context
  enabled: true
  ## @param containerSecurityContext.runAsUser Set Memcached containers' Security Context runAsUser
  runAsUser: 11211
  ## @param containerSecurityContext.runAsNonRoot Set Memcached containers' Security Context runAsNonRoot
  runAsNonRoot: true
  ## @param containerSecurityContext.allowPrivilegeEscalation Set Memcached containers' Security Context allowPrivilegeEscalation
  allowPrivilegeEscalation: false
  ## @param containerSecurityContext.capabilities.drop List of capabilities to be dropped
  capabilities:
    drop:
      - ALL
  ## @param containerSecurityContext.readOnlyRootFilesystem Set Memcached containers' Security Context readOnlyRootFilesystem
  readOnlyRootFilesystem: true

## @param lifecycleHooks for the Memcached container(s) to automate configuration before or after startup
lifecycleHooks: {}
## @param extraVolumes Optionally specify extra list of additional volumes for the Memcached pod(s)
extraVolumes: []
## @param extraVolumeMounts Optionally specify extra list of additional volumeMounts for the Memcached container(s)
extraVolumeMounts: []
## @param sidecars Add additional sidecar containers to the Memcached pod(s)
sidecars: []
## @param initContainers Add additional init containers to the Memcached pod(s)
initContainers: []

## ServiceAccount configuration
serviceAccount:
  ## @param serviceAccount.create Specifies whether a ServiceAccount should be created
  create: true
  ## @param serviceAccount.name The name of the ServiceAccount to use
  ## If not set and create is true, a name is generated using the fullname template
  name: ""
  ## @param serviceAccount.automountServiceAccountToken Whether to auto mount the service account token
  automountServiceAccountToken: false
  ## @param serviceAccount.annotations Additional custom annotations for the ServiceAccount
  annotations: {}

## @section Traffic Exposure Parameters

## Memcached service parameters
service:
  ## @param service.type Memcached service type
  type: ClusterIP
  ## @param service.ports.memcached Memcached service port
  ports:
    memcached: 11211
  ## @param service.nodePorts.memcached Node port for Memcached (only if service.type is NodePort or LoadBalancer)
  nodePorts:
    memcached: ""
  ## @param service.sessionAffinity Control where client requests go, to the same pod or round-robin
  ## Values: ClientIP or None
  sessionAffinity: None
  ## @param service.sessionAffinityConfig Additional settings for sessionAffinity
  sessionAffinityConfig: {}
  ## @param service.clusterIP Memcached service Cluster IP
  ## Set to "" for non-headless service
  clusterIP: None
  ## @param service.loadBalancerIP Memcached service Load Balancer IP
  ## Set the LoadBalancer service type to internal only
  loadBalancerIP: ""
  ## @param service.loadBalancerSourceRanges Memcached service Load Balancer sources
  loadBalancerSourceRanges: []
  ## @param service.externalTrafficPolicy Memcached service external traffic policy
  ## Ref: https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#preserving-the-client-source-ip
  externalTrafficPolicy: Cluster
  ## @param service.annotations Additional custom annotations for Memcached service
  annotations: {}
  ## @param service.extraPorts Extra ports to expose in Memcached service (normally used with the `sidecars` value)
  extraPorts: []
  ## Headless service properties
  headless:
    ## @param service.headless.annotations Annotations for the headless service
    annotations: {}

## @section Metrics Parameters

## Prometheus metrics configuration
metrics:
  ## @param metrics.enabled Enable exposing Memcached metrics to be gathered by Prometheus
  enabled: false
  ## Prometheus exporter image
  image:
    ## @param metrics.image.registry Memcached exporter image registry
    registry: docker.io
    ## @param metrics.image.repository Memcached exporter image repository
    repository: prom/memcached-exporter
    ## @param metrics.image.tag Memcached exporter image tag (immutable tags are recommended)
    tag: v0.15.4
    ## @param metrics.image.pullPolicy Memcached exporter image pull policy
    pullPolicy: IfNotPresent
    ## @param metrics.image.pullSecrets Memcached exporter image pull secrets
    pullSecrets: []
  ## @param metrics.containerPort Memcached exporter metrics container port
  containerPort: 9150
  ## Memcached exporter resource requests and limits
  ## Ref: https://kubernetes.io/docs/user-guide/compute-resources/
  resources:
    ## @param metrics.resources.limits The resources limits for the Memcached exporter container
    limits: {}
    ## @param metrics.resources.requests The requested resources for the Memcached exporter container
    requests: {}
  ## Memcached exporter container security context
  ## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container
  containerSecurityContext:
    ## @param metrics.containerSecurityContext.enabled Enabled Memcached exporter containers' Security Context
    enabled: true
    ## @param metrics.containerSecurityContext.runAsUser Set Memcached exporter containers' Security Context runAsUser
    runAsUser: 1001
    ## @param metrics.containerSecurityContext.runAsNonRoot Set Memcached exporter containers' Security Context runAsNonRoot
    runAsNonRoot: true
    ## @param metrics.containerSecurityContext.allowPrivilegeEscalation Set Memcached exporter containers' Security Context allowPrivilegeEscalation
    allowPrivilegeEscalation: false
    ## @param metrics.containerSecurityContext.capabilities.drop List of capabilities to be dropped
    capabilities:
      drop:
        - ALL
    ## @param metrics.containerSecurityContext.readOnlyRootFilesystem Set Memcached exporter containers' Security Context readOnlyRootFilesystem
    readOnlyRootFilesystem: true
  ## Memcached exporter service parameters
  service:
    ## @param metrics.service.type Memcached exporter service type
    type: ClusterIP
    ## @param metrics.service.port Memcached exporter service port
    port: 9150
    ## @param metrics.service.annotations Annotations for the Memcached exporter service
    annotations:
      prometheus.io/scrape: "true"
      prometheus.io/port: "{{ .Values.metrics.service.port }}"
  ## ServiceMonitor configuration for Prometheus Operator
  serviceMonitor:
    ## @param metrics.serviceMonitor.enabled Create ServiceMonitor resource for scraping metrics using Prometheus Operator
    enabled: false
    ## @param metrics.serviceMonitor.namespace The namespace in which the ServiceMonitor will be created
    namespace: ""
    ## @param metrics.serviceMonitor.interval The interval at which metrics should be scraped
    interval: 30s
    ## @param metrics.serviceMonitor.scrapeTimeout The timeout after which the scrape is ended
    scrapeTimeout: ""
    ## @param metrics.serviceMonitor.relabelings Metrics relabelings to add to the scrape endpoint
    relabelings: []
    ## @param metrics.serviceMonitor.metricRelabelings Metrics relabelings to add to the scrape endpoint
    metricRelabelings: []
    ## @param metrics.serviceMonitor.honorLabels Specify honorLabels parameter to add the scrape endpoint
    honorLabels: false
    ## @param metrics.serviceMonitor.additionalLabels Additional labels that can be used so ServiceMonitor resource(s) can be discovered by Prometheus
    additionalLabels: {}
    ## @param metrics.serviceMonitor.jobLabel The name of the label on the target service to use as the job name in Prometheus
    jobLabel: ""

## @section RBAC Parameters

rbac:
  ## @param rbac.create Create RBAC resources (Role, RoleBinding, ClusterRole, ClusterRoleBinding)
  ##
  create: true
  ## @param rbac.rules Additional rules for ClusterRole
  ## E.g:
  ## rules:
  ##   - apiGroups: [""]
  ##     resources: ["configmaps"]
  ##     verbs: ["get", "list"]
  ##
  rules: []
  ## @param rbac.roleRules Additional rules for Role (namespace-scoped)
  ## E.g:
  ## roleRules:
  ##   - apiGroups: [""]
  ##     resources: ["configmaps"]
  ##     verbs: ["get", "list"]
  ##
  roleRules: []

## @section Network Policy Parameters

networkPolicy:
  ## @param networkPolicy.enabled Enable NetworkPolicy for Memcached
  ##
  enabled: false
  ## @param networkPolicy.allowIngress Allow inbound traffic to Memcached
  ##
  allowIngress: true
  ## @param networkPolicy.allowEgress Allow outbound traffic from Memcached
  ##
  allowEgress: false
  ## @param networkPolicy.podSelector PodSelector for the NetworkPolicy (uses memcached labels by default)
  ## E.g:
  ## podSelector:
  ##   matchLabels:
  ##     app: memcached
  ##
  podSelector: {}
  ## @param networkPolicy.ingress Array of ingress rules
  ## Each rule can have 'from' (podSelector/namespaceSelector) and 'ports' (protocol/port)
  ## E.g:
  ## ingress:
  ##   - from:
  ##       - podSelector:
  ##           matchLabels:
  ##             app: my-app
  ##     protocol: TCP
  ##     port: 11211
  ##
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: memcached
      protocol: TCP
      port: 11211
  ## @param networkPolicy.egress Array of egress rules
  ## Each rule can have 'to' (podSelector/namespaceSelector) and 'ports' (protocol/port)
  ## E.g:
  ## egress:
  ##   - to:
  ##       - namespaceSelector: {}
  ##     ports:
  ##       - protocol: TCP
  ##         port: 443
  ##       - protocol: UDP
  ##         port: 53
  ##
  egress:
    - to:
        - namespaceSelector: {}