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values.yaml
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# Available parameters and their default values for the Consul chart.
# Holds values that affect multiple components of the chart.
global:
# The main enabled/disabled setting. If true, servers,
# clients, Consul DNS and the Consul UI will be enabled. Each component can override
# this default via its component-specific "enabled" config. If false, no components
# will be installed by default and per-component opt-in is required, such as by
# setting `server.enabled` to true.
enabled: true
# Set the prefix used for all resources in the Helm chart. If not set,
# the prefix will be `<helm release name>-consul`.
# @type: string
name: null
# The domain Consul will answer DNS queries for
# (see `-domain` (https://consul.io/docs/agent/options#_domain)) and the domain services synced from
# Consul into Kubernetes will have, e.g. `service-name.service.consul`.
domain: consul
# The name (and tag) of the Consul Docker image for clients and servers.
# This can be overridden per component. This should be pinned to a specific
# version tag, otherwise you may inadvertently upgrade your Consul version.
#
# Examples:
#
# ```yaml
# # Consul 1.5.0
# image: "consul:1.5.0"
# # Consul Enterprise 1.5.0
# image: "hashicorp/consul-enterprise:1.5.0-ent"
# ```
# @default: hashicorp/consul:<latest version>
image: "hashicorp/consul:1.10.0-beta1"
# Array of objects containing image pull secret names that will be applied to each service account.
# This can be used to reference image pull secrets if using a custom consul or consul-k8s Docker image.
# See https://kubernetes.io/docs/concepts/containers/images/#using-a-private-registry for reference.
#
# Example:
#
# ```yaml
# imagePullSecrets:
# - name: pull-secret-name
# - name: pull-secret-name-2
# ```
# @type: array<map>
imagePullSecrets: []
# The name (and tag) of the consul-k8s (https://github.com/hashicorp/consul-k8s)
# Docker image that is used for functionality such the catalog sync.
# This can be overridden per component.
# @default: hashicorp/consul-k8s:<latest version>
imageK8S: "hashicorp/consul-k8s:0.26.0-beta1"
# The name of the datacenter that the agents should
# register as. This can'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
# 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
# Configures which Kubernetes secret to retrieve Consul's
# gossip encryption key from (see `-encrypt` (https://consul.io/docs/agent/options#_encrypt)). If secretName or
# secretKey are not set, gossip encryption will not be enabled. The secret must
# be in the same namespace that Consul is installed into.
#
# The secret can be created by running:
#
# ```shell
# $ kubectl create secret generic consul-gossip-encryption-key --from-literal=key=$(consul keygen)
# ```
#
# To reference, use:
#
# ```yaml
# global:
# gossipEncryption:
# secretName: consul-gossip-encryption-key
# secretKey: key
# ```
gossipEncryption:
# secretName is the name of the Kubernetes secret that holds the gossip
# encryption key. The secret must be in the same namespace that Consul is installed into.
secretName: ""
# secretKey is the key within the Kubernetes secret that holds the gossip
# encryption key.
secretKey: ""
# Enables TLS (https://learn.hashicorp.com/tutorials/consul/tls-encryption-secure)
# across the cluster to verify authenticity of the Consul servers and clients.
# Requires Consul v1.4.1+ and consul-k8s v0.16.2+
tls:
# If true, the Helm chart will enable TLS for Consul
# servers and clients and all consul-k8s components, as well as generate certificate
# authority (optional) and server and client certificates.
enabled: false
# If true, turns on the auto-encrypt feature on clients and servers.
# It also switches consul-k8s components to retrieve the CA from the servers
# via the API. Requires Consul 1.7.1+ and consul-k8s 0.13.0
enableAutoEncrypt: false
# A list of additional DNS names to set as Subject Alternative Names (SANs)
# in the server certificate. This is useful when you need to access the
# Consul server(s) externally, for example, if you're using the UI.
# @type: array<string>
serverAdditionalDNSSANs: []
# A list of additional IP addresses to set as Subject Alternative Names (SANs)
# in the server certificate. This is useful when you need to access the
# Consul server(s) externally, for example, if you're using the UI.
# @type: array<string>
serverAdditionalIPSANs: []
# If true, `verify_outgoing`, `verify_server_hostname`,
# and `verify_incoming_rpc` will be set to `true` for Consul servers and clients.
# Set this to false to incrementally roll out TLS on an existing Consul cluster.
# Please see https://consul.io/docs/k8s/operations/tls-on-existing-cluster
# for more details.
verify: true
# If true, the Helm chart will configure Consul to disable the HTTP port on
# both clients and servers and to only accept HTTPS connections.
httpsOnly: true
# A Kubernetes secret containing the certificate of the CA to use for
# TLS communication within the Consul cluster. If you have generated the CA yourself
# with the consul CLI, you could use the following command to create the secret
# in Kubernetes:
#
# ```bash
# kubectl create secret generic consul-ca-cert \
# --from-file='tls.crt=./consul-agent-ca.pem'
# ```
caCert:
# The name of the Kubernetes secret.
secretName: null
# The key of the Kubernetes secret.
secretKey: null
# A Kubernetes secret containing the private key of the CA to use for
# TLS communication within the Consul cluster. If you have generated the CA yourself
# with the consul CLI, you could use the following command to create the secret
# in Kubernetes:
#
# ```bash
# kubectl create secret generic consul-ca-key \
# --from-file='tls.key=./consul-agent-ca-key.pem'
# ```
#
# Note that we need the CA key so that we can generate server and client certificates.
# It is particularly important for the client certificates since they need to have host IPs
# as Subject Alternative Names. In the future, we may support bringing your own server
# certificates.
caKey:
# The name of the Kubernetes secret.
secretName: null
# The key of the Kubernetes secret.
secretKey: null
# [Enterprise Only] `enableConsulNamespaces` indicates that you are running
# Consul Enterprise v1.7+ with a valid Consul Enterprise license and would
# like to make use of configuration beyond registering everything into
# the `default` Consul namespace. Requires consul-k8s v0.12+. Additional configuration
# options are found in the `consulNamespaces` section of both the catalog sync
# and connect injector.
enableConsulNamespaces: false
# Configure ACLs.
acls:
# If true, the Helm chart will automatically manage ACL tokens and policies
# for all Consul and consul-k8s components.
# This requires Consul >= 1.4 and consul-k8s >= 0.14.0.
manageSystemACLs: false
# A Kubernetes secret containing the bootstrap token to use for
# creating policies and tokens for all Consul and consul-k8s components.
# If set, we will skip ACL bootstrapping of the servers and will only
# initialize ACLs for the Consul clients and consul-k8s system components.
# Requires consul-k8s >= 0.14.0.
bootstrapToken:
# The name of the Kubernetes secret.
secretName: null
# The key of the Kubernetes secret.
secretKey: null
# If true, an ACL token will be created that can be used in secondary
# datacenters for replication. This should only be set to true in the
# primary datacenter since the replication token must be created from that
# datacenter.
# In secondary datacenters, the secret needs to be imported from the primary
# datacenter and referenced via `global.acls.replicationToken`.
# Requires consul-k8s >= 0.13.0.
createReplicationToken: false
# replicationToken references a secret containing the replication ACL token.
# This token will be used by secondary datacenters to perform ACL replication
# and create ACL tokens and policies.
# This value is ignored if `bootstrapToken` is also set.
# Requires consul-k8s >= 0.13.0.
replicationToken:
# The name of the Kubernetes secret.
secretName: null
# The key of the Kubernetes secret.
secretKey: null
# Configure federation.
federation:
# If enabled, this datacenter will be federation-capable. Only federation
# via mesh gateways is supported.
# Mesh gateways and servers will be configured to allow federation.
# Requires `global.tls.enabled`, `meshGateway.enabled` and `connectInject.enabled`
# to be true. Requires Consul 1.8+.
enabled: false
# If true, the chart will create a Kubernetes secret that can be imported
# into secondary datacenters so they can federate with this datacenter. The
# secret contains all the information secondary datacenters need to contact
# and authenticate with this datacenter. This should only be set to true
# in your primary datacenter. The secret name is
# `<global.name>-federation` (if setting `global.name`), otherwise
# `<helm-release-name>-consul-federation`. Requires consul-k8s 0.15.0+.
createFederationSecret: false
# Configures metrics for Consul service mesh
metrics:
# Configures the Helm chart’s components
# to expose Prometheus metrics for the Consul service mesh. By default
# this includes gateway metrics and sidecar metrics.
# @type: boolean
enabled: false
# Configures consul agent metrics. Only applicable if
# `global.metrics.enabled` is true.
# @type: boolean
enableAgentMetrics: false
# Configures the retention time for metrics in Consul clients and
# servers. This must be greater than 0 for Consul clients and servers
# to expose any metrics at all.
# Only applicable if `global.metrics.enabled` is true.
# @type: string
agentMetricsRetentionTime: 1m
# If true, mesh, terminating, and ingress gateways will expose their
# Envoy metrics on port `20200` at the `/metrics` path and all gateway pods
# will have Prometheus scrape annotations. Only applicable if `global.metrics.enabled` is true.
# @type: boolean
enableGatewayMetrics: true
# The consul sidecar ensures the Consul services
# are always registered with their local Consul clients and is used by the
# ingress/terminating/mesh gateways as well as with every Connect-injected service.
# @recurse: false
# @type: map
consulSidecarContainer:
resources:
requests:
memory: "25Mi"
cpu: "20m"
limits:
memory: "50Mi"
cpu: "20m"
# The name (and tag) of the Envoy Docker image used for the
# connect-injected sidecar proxies and mesh, terminating, and ingress gateways.
# See https://www.consul.io/docs/connect/proxies/envoy for full compatibility matrix between Consul and Envoy.
# @default: envoyproxy/envoy-alpine:<latest supported version>
imageEnvoy: "envoyproxy/envoy-alpine:v1.16.0"
# Configuration for running this Helm chart on the Red Hat OpenShift platform.
# This Helm chart currently supports OpenShift v4.x+.
openshift:
# If true, the Helm chart will create necessary configuration for running
# its components on OpenShift.
enabled: 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:
# If true, the chart will install all the resources necessary for a
# Consul server cluster. If you're running Consul externally and want agents
# within Kubernetes to join that cluster, this should probably be false.
# @default: global.enabled
# @type: boolean
enabled: "-"
# The name of the Docker image (including any tag) for the containers running
# Consul server agents.
# @type: string
image: null
# The number of server agents to run. This determines the fault tolerance of
# the cluster. Please see the deployment table (https://consul.io/docs/internals/consensus#deployment-table)
# for more information.
replicas: 3
# The number of servers that are expected to be running.
# It defaults to server.replicas.
# In most cases the default should be used, however if there are more
# servers in this datacenter than server.replicas it might make sense
# to override the default. This would be the case if two kube clusters
# were joined into the same datacenter and each cluster ran a certain number
# of servers.
# @type: int
bootstrapExpect: null
# [Enterprise Only] This value 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.
# Note: the job to apply license runs on both Helm installs and upgrades.
enterpriseLicense:
# The name of the Kubernetes secret that holds the enterprise license.
# The secret must be in the same namespace that Consul is installed into.
secretName: null
# The key within the Kubernetes secret that holds the enterprise license.
secretKey: null
# Exposes the servers' gossip and RPC ports as hostPorts. To enable a client
# agent outside of the k8s cluster to join the datacenter, you would need to
# enable `server.exposeGossipAndRPCPorts`, `client.exposeGossipPorts`, and
# set `server.ports.serflan.port` to a port not being used on the host. Since
# `client.exposeGossipPorts` uses the hostPort 8301,
# `server.ports.serflan.port` must be set to something other than 8301.
exposeGossipAndRPCPorts: false
# Configures ports for the consul servers.
ports:
# Configures the LAN gossip port for the consul servers. If you choose to
# enable `server.exposeGossipAndRPCPorts` and `client.exposeGossipPorts`,
# that will configure the LAN gossip ports on the servers and clients to be
# hostPorts, so if you are running clients and servers on the same node the
# ports will conflict if they are both 8301. When you enable
# `server.exposeGossipAndRPCPorts` and `client.exposeGossipPorts`, you must
# change this from the default to an unused port on the host, e.g. 9301. By
# default the LAN gossip port is 8301 and configured as a containerPort on
# the consul server Pods.
serflan:
port: 8301
# This defines the disk size for configuring the
# servers' StatefulSet storage. For dynamically provisioned storage classes, this is the
# desired size. For manually defined persistent volumes, this should be set to
# the disk size of the attached volume.
storage: 10Gi
# The StorageClass to use for the servers' StatefulSet storage. It must be
# able to be dynamically provisioned if you want the storage
# to be automatically created. For example, to use local
# (https://kubernetes.io/docs/concepts/storage/storage-classes/#local)
# storage classes, the PersistentVolumeClaims would need to be manually created.
# A `null` value will use the Kubernetes cluster's default StorageClass. If a default
# StorageClass does not exist, you will need to create one.
# @type: string
storageClass: null
# This will enable/disable Connect (https://consul.io/docs/connect). Setting this to true
# _will not_ automatically secure pod communication, this
# setting will only enable usage of the feature. Consul will automatically initialize
# a new CA and set of certificates. Additional Connect settings can be configured
# by setting the `server.extraConfig` value.
connect: true
# The resource requests (CPU, memory, etc.)
# for each of the server agents. This should be a YAML map corresponding to a Kubernetes
# ResourceRequirements (https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#resourcerequirements-v1-core)
# object. NOTE: The use of a YAML string is deprecated.
#
# Example:
#
# ```yaml
# resources:
# requests:
# memory: '100Mi'
# cpu: '100m'
# limits:
# memory: '100Mi'
# cpu: '100m'
# ```
#
# @recurse: false
# @type: map
resources:
requests:
memory: "100Mi"
cpu: "100m"
limits:
memory: "100Mi"
cpu: "100m"
# The security context for the server pods. This should be a YAML map corresponding to a
# Kubernetes [SecurityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) object.
# By default, servers will run as non-root, with user ID `100` and group ID `1000`,
# which correspond to the consul user and group created by the Consul docker image.
# Note: if running on OpenShift, this setting is ignored because the user and group are set automatically
# by the OpenShift platform.
# @type: map
# @recurse: false
securityContext:
runAsNonRoot: true
runAsGroup: 1000
runAsUser: 100
fsGroup: 1000
# This value is used to carefully
# control a rolling update of Consul server agents. This value specifies the
# partition (https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#partitions)
# for performing a rolling update. Please read the linked Kubernetes documentation
# and https://www.consul.io/docs/k8s/upgrade#upgrading-consul-servers for more information.
updatePartition: 0
# This configures the PodDisruptionBudget (https://kubernetes.io/docs/tasks/run-application/configure-pdb/)
# for the server cluster.
disruptionBudget:
# This will enable/disable registering a PodDisruptionBudget for the server
# cluster. If this is enabled, it will only register the budget so long as
# the server cluster is enabled.
enabled: true
# The maximum number of unavailable pods. By default, this will be
# automatically computed based on the `server.replicas` value to be `(n/2)-1`.
# If you need to set this to `0`, you will need to add a
# --set 'server.disruptionBudget.maxUnavailable=0'` flag to the helm chart installation
# command because of a limitation in the Helm templating language.
# @type: integer
maxUnavailable: null
# A raw string of extra JSON configuration (https://consul.io/docs/agent/options) for Consul
# servers. This will be saved as-is into a ConfigMap that is read by the Consul
# server agents. This can be used to add additional configuration that
# isn't directly exposed by the chart.
#
# Example:
#
# ```yaml
# extraConfig: |
# {
# "log_level": "DEBUG"
# }
# ```
#
# This can also be set using Helm's `--set` flag using the following syntax:
#
# ```shell
# --set 'server.extraConfig="{"log_level": "DEBUG"}"'
# ```
extraConfig: |
{}
# A list of extra volumes to mount for server agents. This
# is useful for bringing in extra data that can be referenced by other configurations
# at a well known path, such as TLS certificates or Gossip encryption keys. The
# value of this should be a list of objects.
#
# Example:
#
# ```yaml
# extraVolumes:
# - type: secret
# name: consul-certs
# load: false
# ```
#
# Each object supports the following keys:
#
# - `type` - Type of the volume, must be one of "configMap" or "secret". Case sensitive.
#
# - `name` - Name of the configMap or secret to be mounted. This also controls
# the path that it is mounted to. The volume will be mounted to `/consul/userconfig/<name>`.
#
# - `load` - If true, then the agent will be
# configured to automatically load HCL/JSON configuration files from this volume
# with `-config-dir`. This defaults to false.
#
# @type: array<map>
extraVolumes: []
# This value defines the affinity (https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity)
# for server pods. It defaults to allowing only a single server pod on each node, which
# minimizes risk of the cluster becoming unusable if a node is lost. If you need
# to run more pods per node (for example, testing on Minikube), set this value
# to `null`.
#
# Example:
#
# ```yaml
# affinity: |
# podAntiAffinity:
# requiredDuringSchedulingIgnoredDuringExecution:
# - labelSelector:
# matchLabels:
# app: {{ template "consul.name" . }}
# release: "{{ .Release.Name }}"
# component: server
# topologyKey: kubernetes.io/hostname
# ```
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 Tolerations
# (https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/) array in a Pod spec.
tolerations: ""
# Pod topology spread constraints for server pods.
# This should be a multi-line YAML string matching the `topologySpreadConstraints` array
# (https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/) in a Pod Spec.
#
# This requires K8S >= 1.18 (beta) or 1.19 (stable).
#
# Example:
#
# ```yaml
# topologySpreadConstraints: |
# - maxSkew: 1
# topologyKey: topology.kubernetes.io/zone
# whenUnsatisfiable: DoNotSchedule
# labelSelector:
# matchLabels:
# app: {{ template "consul.name" . }}
# release: "{{ .Release.Name }}"
# component: server
# ```
topologySpreadConstraints: ""
# This value defines `nodeSelector` (https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector)
# labels for server pod assignment, formatted as a multi-line string.
#
# Example:
#
# ```yaml
# nodeSelector: |
# beta.kubernetes.io/arch: amd64
# ```
#
# @type: string
nodeSelector: null
# This value references an existing
# Kubernetes `priorityClassName` (https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#pod-priority)
# that can be assigned to server pods.
priorityClassName: ""
# Extra labels to attach to the server pods. This should be a YAML map.
#
# Example:
#
# ```yaml
# extraLabels:
# labelKey: label-value
# anotherLabelKey: another-label-value
# ```
#
# @type: map
extraLabels: null
# This value defines additional annotations for
# server pods. This should be formatted as a multi-line string.
#
# ```yaml
# annotations: |
# "sample/annotation1": "foo"
# "sample/annotation2": "bar"
# ```
#
# @type: string
annotations: null
# Server service properties.
service:
# Annotations to apply to the server service.
#
# ```yaml
# annotations: |
# "annotation-key": "annotation-value"
# ```
#
# @type: string
annotations: null
# A list of extra environment variables to set within 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.
# @type: map
extraEnvironmentVars: {}
# Configuration for Consul servers when the servers are running outside of Kubernetes.
# When running external servers, configuring these values is recommended
# if setting `global.tls.enableAutoEncrypt` to true (requires consul-k8s >= 0.13.0)
# or `global.acls.manageSystemACLs` to true (requires consul-k8s >= 0.14.0).
externalServers:
# If true, the Helm chart will be configured to talk to the external servers.
# If setting this to true, you must also set `server.enabled` to false.
enabled: false
# An array of external Consul server hosts that are used to make
# HTTPS connections from the components in this Helm chart.
# Valid values include IPs, DNS names, or Cloud auto-join string.
# The port must be provided separately below.
# Note: `client.join` must also be set to the hosts that should be
# used to join the cluster. In most cases, the `client.join` values
# should be the same, however, they may be different if you
# wish to use separate hosts for the HTTPS connections.
# @type: array<string>
hosts: []
# The HTTPS port of the Consul servers.
httpsPort: 8501
# The server name to use as the SNI host header when connecting with HTTPS.
# @type: string
tlsServerName: null
# If true, consul-k8s components will ignore the CA set in
# `global.tls.caCert` when making HTTPS calls to Consul servers and
# will instead use the consul-k8s image's system CAs for TLS verification.
# If false, consul-k8s components will use `global.tls.caCert` when
# making HTTPS calls to Consul servers.
# **NOTE:** This does not affect Consul's internal RPC communication which will
# always use `global.tls.caCert`.
useSystemRoots: false
# If you are setting `global.acls.manageSystemACLs` and
# `connectInject.enabled` to true, set `k8sAuthMethodHost` to the address of the Kubernetes API server.
# This address must be reachable from the Consul servers.
# Please see the Kubernetes Auth Method documentation (https://consul.io/docs/acl/auth-methods/kubernetes).
# Requires consul-k8s >= 0.14.0.
#
# You could retrieve this value from your `kubeconfig` by running:
#
# ```shell
# kubectl config view \
# -o jsonpath="{.clusters[?(@.name=='<your cluster name>')].cluster.server}"
# ```
#
# @type: string
k8sAuthMethodHost: null
# Values that configure running a Consul client on Kubernetes nodes.
client:
# If true, the chart will install all
# the resources necessary for a Consul client on every Kubernetes node. This _does not_ require
# `server.enabled`, since the agents can be configured to join an external cluster.
# @default: global.enabled
# @type: boolean
enabled: "-"
# The name of the Docker image (including any tag) for the containers
# running Consul client agents.
# @type: string
image: null
# A list of valid `-retry-join` values (https://consul.io/docs/agent/options#retry-join).
# If this is `null` (default), then the clients will attempt to automatically
# join the server cluster running within Kubernetes.
# This means that with `server.enabled` set to true, clients will automatically
# join that cluster. If `server.enabled` is not true, then a value must be
# specified so the clients can join a valid cluster.
# @type: array<string>
join: null
# An absolute path to a directory on the host machine to use as the Consul
# client data directory. If set to the empty string or null, the Consul agent
# will store its data in the Pod's local filesystem (which will
# be lost if the Pod is deleted). Security Warning: If setting this, Pod Security
# Policies _must_ be enabled on your cluster and in this Helm chart (via the
# `global.enablePodSecurityPolicies` setting) to prevent other pods from
# mounting the same host path and gaining access to all of Consul's data.
# Consul's data is not encrypted at rest.
# @type: string
dataDirectoryHostPath: null
# If true, agents will enable their GRPC listener on
# port 8502 and expose it to the host. This will use slightly more resources, but is
# required for Connect.
grpc: true
# If true, the Helm chart will expose the clients' gossip ports as hostPorts.
# This is only necessary if pod IPs in the k8s cluster are not directly routable
# and the Consul servers are outside of the k8s cluster.
# This also changes the clients' advertised IP to the `hostIP` rather than `podIP`.
exposeGossipPorts: false
# Disable host node ID
# If true, consul clients will not use information from the host to generate a deterministic node ID
# and will instead generate a random node ID which will be persisted in the data directory.
# When two VMs are on the same underlying hardware, they can have node IDs that collide. Setting `disableHostNodeID` to true can work around the collision.
# Refer to https://www.consul.io/docs/agent/options#_disable_host_node_id for more info.
disableHostNodeID: false
# Resource settings for Client agents.
# NOTE: The use of a YAML string is deprecated. Instead, set directly as a
# YAML map.
# @recurse: false
# @type: map
resources:
requests:
memory: "100Mi"
cpu: "100m"
limits:
memory: "100Mi"
cpu: "100m"
# The security context for the client pods. This should be a YAML map corresponding to a
# Kubernetes [SecurityContext](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/) object.
# By default, servers will run as non-root, with user ID `100` and group ID `1000`,
# which correspond to the consul user and group created by the Consul docker image.
# Note: if running on OpenShift, this setting is ignored because the user and group are set automatically
# by the OpenShift platform.
# @type: map
# @recurse: false
securityContext:
runAsNonRoot: true
runAsGroup: 1000
runAsUser: 100
fsGroup: 1000
# A raw string of extra JSON configuration (https://consul.io/docs/agent/options) for Consul
# clients. This will be saved as-is into a ConfigMap that is read by the Consul
# client agents. This can be used to add additional configuration that
# isn't directly exposed by the chart.
#
# Example:
#
# ```yaml
# extraConfig: |
# {
# "log_level": "DEBUG"
# }
# ```
#
# This can also be set using Helm's `--set` flag using the following syntax:
#
# ```shell
# --set 'client.extraConfig="{"log_level": "DEBUG"}"'
# ```
extraConfig: |
{}
# A list of extra volumes to mount for client agents. This
# is useful for bringing in extra data that can be referenced by other configurations
# at a well known path, such as TLS certificates or Gossip encryption keys. The
# value of this should be a list of objects.
#
# Example:
#
# ```yaml
# extraVolumes:
# - type: secret
# name: consul-certs
# load: false
# ```
#
# Each object supports the following keys:
#
# - `type` - Type of the volume, must be one of "configMap" or "secret". Case sensitive.
#
# - `name` - Name of the configMap or secret to be mounted. This also controls
# the path that it is mounted to. The volume will be mounted to `/consul/userconfig/<name>`.
#
# - `load` - If true, then the agent will be
# configured to automatically load HCL/JSON configuration files from this volume
# with `-config-dir`. This defaults to false.
#
# @type: array<map>
extraVolumes: []
# 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
#
# ```yaml
# tolerations: |
# - operator: Exists
# ```
tolerations: ""
# nodeSelector labels for client pod assignment, formatted as a multi-line string.
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
#
# Example:
#
# ```yaml
# nodeSelector: |
# beta.kubernetes.io/arch: amd64
# ```
# @type: string
nodeSelector: null
# Affinity Settings for Client pods, formatted as a multi-line YAML string.
# ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
#
# Example:
#
# ```yaml
# affinity: |
# nodeAffinity:
# requiredDuringSchedulingIgnoredDuringExecution:
# nodeSelectorTerms:
# - matchExpressions:
# - key: node-role.kubernetes.io/master
# operator: DoesNotExist
# ```
# @type: string
affinity: null
# This value references an existing
# Kubernetes `priorityClassName` (https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#pod-priority)
# that can be assigned to client pods.
priorityClassName: ""
# This value defines additional annotations for
# client pods. This should be formatted as a multi-line string.
#
# ```yaml
# annotations: |
# "sample/annotation1": "foo"
# "sample/annotation2": "bar"
# ```
#
# @type: string
annotations: null
# Extra labels to attach to the client pods. This should be a regular YAML map.
#
# Example:
#
# ```yaml
# extraLabels:
# labelKey: label-value
# anotherLabelKey: another-label-value
# ```
#
# @type: map
extraLabels: null
# A list of extra environment variables to set within 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.
# @type: map
extraEnvironmentVars: {}
# This value defines the Pod DNS policy (https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-s-dns-policy)
# for client pods to use.
# @type: string
dnsPolicy: null
# hostNetwork defines whether or not we use host networking instead of hostPort in the event
# that a CNI plugin doesn't support `hostPort`. This has security implications and is not recommended
# as doing so gives the consul client unnecessary access to all network traffic on the host.
# In most cases, pod network and host network are on different networks so this should be
# combined with `dnsPolicy: ClusterFirstWithHostNet`
hostNetwork: false
# updateStrategy for the DaemonSet.
# See https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/#daemonset-update-strategy.
# This should be a multi-line string mapping directly to the updateStrategy
#
# Example:
#
# ```yaml
# updateStrategy: |
# rollingUpdate:
# maxUnavailable: 5
# type: RollingUpdate
# ```
#
# @type: string
updateStrategy: null
# [Enterprise Only] Values for setting up and running snapshot agents
# (https://consul.io/commands/snapshot/agent)
# within the Consul clusters. They are required to be co-located with Consul clients,
# so will inherit the clients' nodeSelector, tolerations and affinity.
snapshotAgent:
# If true, the chart will install resources necessary to run the snapshot agent.
enabled: false
# The number of snapshot agents to run.
replicas: 2
# 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. Please see Snapshot agent config (https://consul.io/commands/snapshot/agent#config-file-options)
# for details.
configSecret:
# The name of the Kubernetes secret.
secretName: null
# The key of the Kubernetes secret.
secretKey: null
# Resource settings for snapshot agent pods.
# @recurse: false
# @type: map
resources:
requests:
memory: "50Mi"
cpu: "50m"
limits:
memory: "50Mi"
cpu: "50m"
# Optional PEM-encoded CA certificate that will be added to the trusted system CAs.
# Useful if using an S3-compatible storage exposing a self-signed certificate.
#
# Example:
#
# ```yaml
# caCert: |
# -----BEGIN CERTIFICATE-----
# MIIC7jCCApSgAwIBAgIRAIq2zQEVexqxvtxP6J0bXAwwCgYIKoZIzj0EAwIwgbkx
# ...
# ```
# @type: string
caCert: 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:
# @type: boolean
enabled: "-"
# Used to control the type of service created. For
# example, setting this to "LoadBalancer" will create an external load
# balancer (for supported K8S installations)
type: ClusterIP
# Set a predefined cluster IP for the DNS service.
# Useful if you need to reference the DNS service's IP
# address in CoreDNS config.
# @type: string
clusterIP: null
# Extra annotations to attach to the dns service
# This should be a multi-line string of
# annotations to apply to the dns Service
# @type: string
annotations: null
# Additional ServiceSpec values
# This should be a multi-line string mapping directly to a Kubernetes
# ServiceSpec object.
# @type: string
additionalSpec: null
# Values that configure the Consul UI.
ui:
# If true, the UI will be enabled. This will
# only _enable_ the UI, it doesn't automatically register any service for external
# access. The UI will only be enabled on server agents. If `server.enabled` is
# false, then this setting has no effect. To expose the UI in some way, you must
# configure `ui.service`.
# @default: global.enabled
# @type: boolean
enabled: "-"
# Configure the service for the Consul UI.
service:
# This will enable/disable registering a
# Kubernetes Service for the Consul UI. This value only takes effect if `ui.enabled` is
# true and taking effect.
enabled: true
# The service type to register.
# @type: string
type: null
# Optionally set the nodePort value of the ui service if using a NodePort service.
# If not set and using a NodePort service, Kubernetes will automatically assign
# a port.
nodePort:
# HTTP node port
# @type: integer