values.yaml

# Available parameters and their default values for the Consul chart.

global:
  # enabled is the master enabled switch. Setting this to true or false
  # will enable or disable all the components within this chart by default.
  # Each component can be overridden using the component-specific "enabled"
  # value.
  enabled: true

  # Domain to register the Consul DNS server to listen for.
  domain: consul

  # Image is the name (and tag) of the Consul Docker image for clients and
  # servers below. This can be overridden per component.
  #
  # Examples:
  #   image: "consul:1.5.0"
  #   image: "hashicorp/consul-enterprise:1.5.0-ent"   # Enterprise Consul image
  image: "consul:1.5.0"

  # imageK8S is the name (and tag) of the consul-k8s Docker image that
  # is used for functionality such as the catalog sync. This can be overridden
  # per component below.
  # Note: support for the catalog sync's liveness and readiness probes was added
  # to consul-k8s v0.6.0. If using an older consul-k8s version, you may need to
  # remove these checks to make the sync work.
  # If using mesh gateways and bootstrapACLs then must be >= 0.9.0.
  imageK8S: "hashicorp/consul-k8s:0.9.0"

  # Datacenter is the name of the datacenter that the agents should register
  # as. This shouldn't be changed once the Consul cluster is up and running
  # since Consul doesn't support an automatic way to change this value
  # currently: https://github.com/hashicorp/consul/issues/1858
  datacenter: dc1

  # enablePodSecurityPolicies is a boolean flag that controls whether pod
  # security policies are created for the consul components created by this
  # chart. See https://kubernetes.io/docs/concepts/policy/pod-security-policy/
  enablePodSecurityPolicies: false

  # Gossip encryption key. To enable gossip encryption, provide the name of
  # a Kubernetes secret that contains a gossip key. You can create a gossip
  # key with the "consul keygen" command. 
  # See https://www.consul.io/docs/commands/keygen.html 
  gossipEncryption:
    secretName: null
    secretKey: null

  # bootstrapACLs will automatically create and assign ACL tokens within 
  # the Consul cluster. This currently requires enabling both servers and
  # clients within Kubernetes. Additionally requires Consul v1.4+ and
  # consul-k8s v0.8.0+.
  bootstrapACLs: false

# Server, when enabled, configures a server cluster to run. This should
# be disabled if you plan on connecting to a Consul cluster external to
# the Kube cluster.
server:
  enabled: "-"
  image: null
  replicas: 3
  bootstrapExpect: 3 # Should <= replicas count

  # enterpriseLicense refers to a Kubernetes secret that you have created that
  # contains your enterprise license. It is required if you are using an
  # enterprise binary. Defining it here applies it to your cluster once a leader
  # has been elected. If you are not using an enterprise image
  # or if you plan to introduce the license key via another route, then set
  # these fields to null.
  enterpriseLicense:
    secretName: null
    secretKey: null

  # storage and storageClass are the settings for configuring stateful
  # storage for the server pods. storage should be set to the disk size of
  # the attached volume. storageClass is the class of storage which defaults
  # to null (the Kube cluster will pick the default).
  storage: 10Gi
  storageClass: null

  # connect will enable Connect on all the servers, initializing a CA
  # for Connect-related connections. Other customizations can be done
  # via the extraConfig setting.
  connect: true

  # Resource requests, limits, etc. for the server cluster placement. This
  # should map directly to the value of the resources field for a PodSpec,
  # formatted as a multi-line string. By default no direct resource request
  # is made.
  resources: null

  # updatePartition is used to control a careful rolling update of Consul
  # servers. This should be done particularly when changing the version
  # of Consul. Please refer to the documentation for more information.
  updatePartition: 0

  # disruptionBudget enables the creation of a PodDisruptionBudget to
  # prevent voluntary degrading of the Consul server cluster.
  disruptionBudget:
    enabled: true

    # maxUnavailable will default to (n/2)-1 where n is the number of
    # replicas. If you'd like a custom value, you can specify an override here.
    maxUnavailable: null

  # extraConfig is a raw string of extra configuration to set with the
  # server. This should be JSON.
  extraConfig: |
    {}

  # extraVolumes is a list of extra volumes to mount. These will be exposed
  # to Consul in the path `/consul/userconfig/<name>/`. The value below is
  # an array of objects, examples are shown below.
  extraVolumes: []
    # - type: secret (or "configMap")
    #   name: my-secret
    #   load: false # if true, will add to `-config-dir` to load by Consul

  # Affinity Settings
  # Commenting out or setting as empty the affinity variable, will allow
  # deployment to single node services such as Minikube
  affinity: |
    podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchLabels:
              app: {{ template "consul.name" . }}
              release: "{{ .Release.Name }}"
              component: server
          topologyKey: kubernetes.io/hostname

  # Toleration Settings for server pods
  # This should be a multi-line string matching the Toleration array
  # in a PodSpec.
  tolerations: ""

  # nodeSelector labels for server pod assignment, formatted as a muli-line string.
  # ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
  # Example:
  # nodeSelector: |
  #   beta.kubernetes.io/arch: amd64
  nodeSelector: null

  # used to assign priority to server pods
  # ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
  priorityClassName: ""

  # Extra annotations to attach to the server pods
  # This should be a multi-line string mapping directly to the a map of
  # the annotations to apply to the server pods
  annotations: null

  # extraEnvVars is a list of extra enviroment variables to set with the stateful set. These could be
  # used to include proxy settings required for cloud auto-join feature, 
  # in case kubernetes cluster is behind egress http proxies. Additionally, it could be used to configure
  # custom consul parameters.
  extraEnvironmentVars: {}
    # http_proxy: http://localhost:3128,
    # https_proxy: http://localhost:3128,
    # no_proxy: internal.domain.com

# Client, when enabled, configures Consul clients to run on every node
# within the Kube cluster. The current deployment model follows a traditional
# DC where a single agent is deployed per node.
client:
  enabled: "-"
  image: null
  join: null

  # grpc should be set to true if the gRPC listener should be enabled.
  # This should be set to true if connectInject or meshGateway is enabled.
  grpc: false

  # Resource requests, limits, etc. for the client cluster placement. This
  # should map directly to the value of the resources field for a PodSpec,
  # formatted as a multi-line string. By default no direct resource request
  # is made.
  resources: null

  # extraConfig is a raw string of extra configuration to set with the
  # server. This should be JSON.
  extraConfig: |
    {}

  # extraVolumes is a list of extra volumes to mount. These will be exposed
  # to Consul in the path `/consul/userconfig/<name>/`. The value below is
  # an array of objects, examples are shown below.
  extraVolumes: []
    # - type: secret (or "configMap")
    #   name: my-secret
    #   load: false # if true, will add to `-config-dir` to load by Consul

  # Toleration Settings for Client pods
  # This should be a multi-line string matching the Toleration array
  # in a PodSpec.
  # The example below will allow Client pods to run on every node
  # regardless of taints
  # tolerations: |
  #   - operator: "Exists"
  tolerations: ""

  # nodeSelector labels for client pod assignment, formatted as a muli-line string.
  # ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
  # Example:
  # nodeSelector: |
  #   beta.kubernetes.io/arch: amd64
  nodeSelector: null

  # used to assign priority to client pods
  # ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
  priorityClassName: ""

  # Extra annotations to attach to the client pods
  # This should be a multi-line string mapping directly to the a map of
  # the annotations to apply to the client pods
  annotations: null

  # extraEnvVars is a list of extra enviroment variables to set with the pod. These could be
  # used to include proxy settings required for cloud auto-join feature, 
  # in case kubernetes cluster is behind egress http proxies. Additionally, it could be used to configure
  # custom consul parameters.
  extraEnvironmentVars: {}
    # http_proxy: http://localhost:3128,
    # https_proxy: http://localhost:3128,
    # no_proxy: internal.domain.com

  # snaphotAgent contains settings for setting up and running snapshot agents
  # within the Consul clusters. They are required to be co-located with Consul
  # clients, so will inherit the clients' nodeSelector, tolerations and affinity.
  # This is an Enterprise feature only.
  snapshotAgent:
    enabled: false

    # replicas determines how many snapshot agent pods are created
    replicas: 2

    # configSecret references a Kubernetes secret that should be manually created to
    # contain the entire config to be used on the snapshot agent. This is the preferred
    # method of configuration since there are usually storage credentials present.
    # Snapshot agent config details:
    # https://www.consul.io/docs/commands/snapshot/agent.html#config-file-options-
    # To create a secret:
    # https://kubernetes.io/docs/concepts/configuration/secret/#creating-a-secret-using-kubectl-create-secret
    configSecret:
      secretName: null
      secretKey: null

# Configuration for DNS configuration within the Kubernetes cluster.
# This creates a service that routes to all agents (client or server)
# for serving DNS requests. This DOES NOT automatically configure kube-dns
# today, so you must still manually configure a `stubDomain` with kube-dns
# for this to have any effect:
# https://kubernetes.io/docs/tasks/administer-cluster/dns-custom-nameservers/#configure-stub-domain-and-upstream-dns-servers
dns:
  enabled: "-"

ui:
  # True if you want to enable the Consul UI. The UI will run only
  # on the server nodes. This makes UI access via the service below (if
  # enabled) predictable rather than "any node" if you're running Consul
  # clients as well.
  enabled: "-"

  # True if you want to create a Service entry for the Consul UI.
  #
  # serviceType can be used to control the type of service created. For
  # example, setting this to "LoadBalancer" will create an external load
  # balancer (for supported K8S installations) to access the UI.
  service:
    enabled: true
    type: null
    # This should be a multi-line string mapping directly to the a map of
    # the annotations to apply to the UI service
    annotations: null
    # Additional ServiceSpec values
    # This should be a multi-line string mapping directly to a Kubernetes
    # ServiceSpec object.
    additionalSpec: null

# syncCatalog will run the catalog sync process to sync K8S with Consul
# services. This can run bidirectional (default) or unidirectionally (Consul
# to K8S or K8S to Consul only).
#
# This process assumes that a Consul agent is available on the host IP.
# This is done automatically if clients are enabled. If clients are not
# enabled then set the node selection so that it chooses a node with a
# Consul agent.
syncCatalog:
  # True if you want to enable the catalog sync. "-" for default.
  enabled: false
  image: null
  default: true # true will sync by default, otherwise requires annotation

  # toConsul and toK8S control whether syncing is enabled to Consul or K8S
  # as a destination. If both of these are disabled, the sync will do nothing.
  toConsul: true
  toK8S: true

  # k8sPrefix is the service prefix to prepend to services before registering
  # with Kubernetes. For example "consul-" will register all services
  # prepended with "consul-". (Consul -> Kubernetes sync)
  k8sPrefix: null

  # consulPrefix is the service prefix which preprends itself
  # to Kubernetes services registered within Consul
  # For example, "k8s-" will register all services peprended with "k8s-".
  # (Kubernetes -> Consul sync)
  consulPrefix: null

  # k8sTag is an optional tag that is applied to all of the Kubernetes services
  # that are synced into Consul. If nothing is set, defaults to "k8s".
  # (Kubernetes -> Consul sync)
  k8sTag: null

  # syncClusterIPServices syncs services of the ClusterIP type, which may
  # or may not be broadly accessible depending on your Kubernetes cluster.
  # Set this to false to skip syncing ClusterIP services.
  syncClusterIPServices: true

  # nodePortSyncType configures the type of syncing that happens for NodePort
  # services. The valid options are: ExternalOnly, InternalOnly, ExternalFirst.
  # - ExternalOnly will only use a node's ExternalIP address for the sync
  # - InternalOnly use's the node's InternalIP address
  # - ExternalFirst will preferentially use the node's ExternalIP address, but
  #   if it doesn't exist, it will use the node's InternalIP address instead.
  nodePortSyncType: ExternalFirst

  # aclSyncToken refers to a Kubernetes secret that you have created that contains
  # an ACL token for your Consul cluster which allows the sync process the correct
  # permissions. This is only needed if ACLs are enabled on the Consul cluster.
  aclSyncToken:
    secretName: null
    secretKey: null

  # nodeSelector labels for syncCatalog pod assignment, formatted as a muli-line string.
  # ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
  # Example:
  # nodeSelector: |
  #   beta.kubernetes.io/arch: amd64
  nodeSelector: null

# ConnectInject will enable the automatic Connect sidecar injector.
connectInject:
  enabled: false
  image: null # image for consul-k8s that contains the injector
  default: false # true will inject by default, otherwise requires annotation

  # imageConsul and imageEnvoy can be set to Docker images for Consul and
  # Envoy, respectively. If the Consul image is not specified, the global
  # default will be used. If the Envoy image is not specified, an early
  # version of Envoy will be used.
  imageConsul: null
  imageEnvoy: null

  # namespaceSelector is the selector for restricting the webhook to only
  # specific namespaces. This should be set to a multiline string.
  namespaceSelector: null

  # The certs section configures how the webhook TLS certs are configured.
  # These are the TLS certs for the Kube apiserver communicating to the
  # webhook. By default, the injector will generate and manage its own certs,
  # but this requires the ability for the injector to update its own
  # MutatingWebhookConfiguration. In a production environment, custom certs
  # should probaly be used. Configure the values below to enable this.
  certs:
    # secretName is the name of the secret that has the TLS certificate and
    # private key to serve the injector webhook. If this is null, then the
    # injector will default to its automatic management mode that will assign
    # a service account to the injector to generate its own certificates.
    secretName: null

    # caBundle is a base64-encoded PEM-encoded certificate bundle for the
    # CA that signed the TLS certificate that the webhook serves. This must
    # be set if secretName is non-null.
    caBundle: ""

    # certName and keyName are the names of the files within the secret for
    # the TLS cert and private key, respectively. These have reasonable
    # defaults but can be customized if necessary.
    certName: tls.crt
    keyName: tls.key

  # nodeSelector labels for connectInject pod assignment, formatted as a muli-line string.
  # ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
  # Example:
  # nodeSelector: |
  #   beta.kubernetes.io/arch: amd64
  nodeSelector: null

  # aclBindingRuleSelector is a string that defines the automatic binding
  # rule to control the allowed authentication for Connect injection. The
  # default disallows using the default service account for ACl generation.
  # Requires Consul v1.5+ and consul-k8s v0.8.0+.
  aclBindingRuleSelector: "serviceaccount.name!=default"

  # Requires Consul v1.5+ and consul-k8s v0.8.1+
  centralConfig:
    enabled: false

    # defaultProtocol allows you to specify a convenience default protocol if
    # most of your services are of the same protocol type. The individual annotation
    # on any given pod will override this value. A protocol must be provided,
    # either through this setting or individual annotation, for a service to be
    # registered correctly. Valid values are "http", "http2", "grpc" and "tcp".
    defaultProtocol: null

    # proxyDefaults is a raw json string that will be applied to all Connect
    # proxy sidecar pods that can include any valid configuration for the
    # configured proxy.
    proxyDefaults: |
      {}

# Mesh Gateways enable Consul Connect to work across Consul datacenters.
meshGateway:
  # If mesh gateways are enabled, a Deployment will be created that runs
  # gateways and Consul Connect will be configured to use gateways.
  # See https://www.consul.io/docs/connect/mesh_gateway.html
  # Requirements: consul >= 1.6.0 and consul-k8s >= 0.9.0 if using global.bootstrapACLs.
  enabled: false

  # Globally configure which mode the gateway should run in.
  # Can be set to either "remote", "local", "none" or empty string or null.
  # See https://consul.io/docs/connect/mesh_gateway.html#modes-of-operation for
  # a description of each mode.
  # If set to anything other than "" or null, connectInject.centralConfig.enabled
  # should be set to true so that the global config will actually be used.
  # If set to the empty string, no global default will be set and the gateway mode
  # will need to be set individually for each service.
  globalMode: local

  # Number of replicas for the Deployment.
  replicas: 2

  # What gets registered as wan address for the gateway.
  wanAddress:
    # Port that gets registered.
    port: 443

    # If true, each Gateway Pod will advertise its NodeIP
    # (as provided by the Kubernetes downward API) as the wan address.
    # This is useful if the node IPs are routable from other DCs.
    # useNodeName and host must be false and "" respectively.
    useNodeIP: true

    # If true, each Gateway Pod will advertise its NodeName
    # (as provided by the Kubernetes downward API) as the wan address.
    # This is useful if the node names are DNS entries that are
    # routable from other DCs.
    # meshGateway.wanAddress.port will be used as the port for the wan address.
    # useNodeIP and host must be false and "" respectively.
    useNodeName: false

    # If set, each gateway Pod will use this host as its wan address.
    # Users must ensure that this address routes to the Gateway pods,
    # for example via a DNS entry that routes to the Service fronting the Deployment.
    # meshGateway.wanAddress.port will be used as the port for the wan address.
    # useNodeIP and useNodeName must be false.
    host: ""

  # The service option configures the Service that fronts the Gateway Deployment.
  service:
    # Whether to create a Service or not.
    enabled: false

    # Type of service, ex. LoadBalancer, ClusterIP.
    type: ClusterIP

    # Port that the service will be exposed on.
    # The targetPort will be set to meshGateway.containerPort.
    port: 443

    # Optional nodePort of the service. Can be used in conjunction with
    # type: NodePort.
    nodePort: null

    # Optional YAML string for additional annotations.
    annotations: null

    # Optional YAML string that will be appended to the Service spec.
    additionalSpec: null

  # Envoy image to use.
  imageEnvoy: envoyproxy/envoy:v1.10.0

  # If set to true, gateway Pods will run on the host network.
  hostNetwork: false

  # dnsPolicy to use.
  dnsPolicy: null

  # Override the default 'mesh-gateway' service name registered in Consul.
  # Cannot be used if bootstrapACLs is true since the ACL token generated
  # is only for the name 'mesh-gateway'.
  consulServiceName: ""

  # Port that the gateway will run on inside the container.
  containerPort: 443

  # Optional hostPort for the gateway to be exposed on.
  # This can be used with wanAddress.port and wanAddress.useNodeIP
  # to expose the gateways directly from the node.
  # If hostNetwork is true, this must be null or set to the same port as
  # containerPort.
  # NOTE: Cannot set to 8500 or 8502 because those are reserved for the Consul
  # agent.
  hostPort: null

  # If there are no connect-enabled services running, then the gateway
  # will fail health checks. You may disable health checks as a temporary
  # workaround.
  enableHealthChecks: true

  resources: |
    requests:
      memory: "128Mi"
      cpu: "250m"
    limits:
      memory: "256Mi"
      cpu: "500m"

  # By default, we set an anti affinity so that two gateway pods won't be
  # on the same node. NOTE: Gateways require that Consul client agents are
  # also running on the nodes alongside each gateway Pod.
  affinity: |
    podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchLabels:
              app: {{ template "consul.name" . }}
              release: "{{ .Release.Name }}"
              component: mesh-gateway
          topologyKey: kubernetes.io/hostname

  # Optional YAML string to specify tolerations.
  tolerations: null

  # Optional YAML string to specify a nodeSelector config.
  nodeSelector: null

  # Optional priorityClassName.
  priorityClassName: ""

  # Optional YAML string for additional annotations.
  annotations: null