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backport of commit 17904bac70 (#16725) 

Co-authored-by: Luke Kysow <1034429+lkysow@users.noreply.github.com>
Co-authored-by: David Yu <dyu@hashicorp.com>
pull/16707/head^2
hc-github-team-consul-core 2023-03-21 16:37:02 -07:00 committed by GitHub
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website/content/docs/k8s/helm.mdx
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@ -58,7 +58,7 @@ Use these links to navigate to a particular top-level stanza.
the prefix will be `<helm release name>-consul`.
- `domain` ((#v-global-domain)) (`string: consul`) - The domain Consul will answer DNS queries for
(Refer to [`-domain`](https://developer.hashicorp.com/consul/docs/agent/config/cli-flags#_domain)) and the domain services synced from
(Refer to [`-domain`](/consul/docs/agent/config/cli-flags#_domain)) and the domain services synced from
Consul into Kubernetes will have, e.g. `service-name.service.consul`.
- `peering` ((#v-global-peering)) - Configures the Cluster Peering feature. Requires Consul v1.14+ and Consul-K8s v1.0.0+.
@ -119,7 +119,7 @@ Use these links to navigate to a particular top-level stanza.
- `secretsBackend` ((#v-global-secretsbackend)) - secretsBackend is used to configure Vault as the secrets backend for the Consul on Kubernetes installation.
The Vault cluster needs to have the Kubernetes Auth Method, KV2 and PKI secrets engines enabled
and have necessary secrets, policies and roles created prior to installing Consul.
Refer to [Vault as the Secrets Backend](https://developer.hashicorp.com/consul/docs/k8s/deployment-configurations/vault)
Refer to [Vault as the Secrets Backend](/consul/docs/k8s/deployment-configurations/vault)
documentation for full instructions.
The Vault cluster _must_ not have the Consul cluster installed by this Helm chart as its storage backend
@ -210,7 +210,7 @@ Use these links to navigate to a particular top-level stanza.
The provider will be configured to use the Vault Kubernetes auth method
and therefore requires the role provided by `global.secretsBackend.vault.consulServerRole`
to have permissions to the root and intermediate PKI paths.
Please refer to [Vault ACL policies](https://developer.hashicorp.com/consul/docs/connect/ca/vault#vault-acl-policies)
Please refer to [Vault ACL policies](/consul/docs/connect/ca/vault#vault-acl-policies)
documentation for information on how to configure the Vault policies.
- `address` ((#v-global-secretsbackend-vault-connectca-address)) (`string: ""`) - The address of the Vault server.
@ -218,13 +218,13 @@ Use these links to navigate to a particular top-level stanza.
- `authMethodPath` ((#v-global-secretsbackend-vault-connectca-authmethodpath)) (`string: kubernetes`) - The mount path of the Kubernetes auth method in Vault.
- `rootPKIPath` ((#v-global-secretsbackend-vault-connectca-rootpkipath)) (`string: ""`) - The path to a PKI secrets engine for the root certificate.
For more details, please refer to [Vault Connect CA configuration](https://developer.hashicorp.com/consul/docs/connect/ca/vault#rootpkipath).
For more details, please refer to [Vault Connect CA configuration](/consul/docs/connect/ca/vault#rootpkipath).
- `intermediatePKIPath` ((#v-global-secretsbackend-vault-connectca-intermediatepkipath)) (`string: ""`) - The path to a PKI secrets engine for the generated intermediate certificate.
For more details, please refer to [Vault Connect CA configuration](https://developer.hashicorp.com/consul/docs/connect/ca/vault#intermediatepkipath).
For more details, please refer to [Vault Connect CA configuration](/consul/docs/connect/ca/vault#intermediatepkipath).
- `additionalConfig` ((#v-global-secretsbackend-vault-connectca-additionalconfig)) (`string: {}`) - Additional Connect CA configuration in JSON format.
Please refer to [Vault Connect CA configuration](https://developer.hashicorp.com/consul/docs/connect/ca/vault#configuration)
Please refer to [Vault Connect CA configuration](/consul/docs/connect/ca/vault#configuration)
for all configuration options available for that provider.
Example:
@ -258,7 +258,7 @@ Use these links to navigate to a particular top-level stanza.
inject webhooks.
- `gossipEncryption` ((#v-global-gossipencryption)) - Configures Consul's gossip encryption key.
(Refer to [`-encrypt`](https://developer.hashicorp.com/consul/docs/agent/config/cli-flags#_encrypt)).
(Refer to [`-encrypt`](/consul/docs/agent/config/cli-flags#_encrypt)).
By default, gossip encryption is not enabled. The gossip encryption key may be set automatically or manually.
The recommended method is to automatically generate the key.
To automatically generate and set a gossip encryption key, set autoGenerate to true.
@ -289,17 +289,17 @@ Use these links to navigate to a particular top-level stanza.
- `recursors` ((#v-global-recursors)) (`array<string>: []`) - A list of addresses of upstream DNS servers that are used to recursively resolve DNS queries.
These values are given as `-recursor` flags to Consul servers and clients.
Refer to [`-recursor`](https://developer.hashicorp.com/consul/docs/agent/config/cli-flags#_recursor) for more details.
Refer to [`-recursor`](/consul/docs/agent/config/cli-flags#_recursor) for more details.
If this is an empty array (the default), then Consul DNS will only resolve queries for the Consul top level domain (by default `.consul`).
- `tls` ((#v-global-tls)) - Enables [TLS](https://developer.hashicorp.com/consul/tutorials/security/tls-encryption-secure)
- `tls` ((#v-global-tls)) - Enables [TLS](/consul/tutorials/security/tls-encryption-secure)
across the cluster to verify authenticity of the Consul servers and clients.
Requires Consul v1.4.1+.
- `enabled` ((#v-global-tls-enabled)) (`boolean: false`) - If true, the Helm chart will enable TLS for Consul
servers and clients and all consul-k8s-control-plane components, as well as generate certificate
authority (optional) and server and client certificates.
This setting is required for [Cluster Peering](https://developer.hashicorp.com/consul/docs/connect/cluster-peering/k8s).
This setting is required for [Cluster Peering](/consul/docs/connect/cluster-peering/k8s).
- `enableAutoEncrypt` ((#v-global-tls-enableautoencrypt)) (`boolean: false`) - If true, turns on the auto-encrypt feature on clients and servers.
It also switches consul-k8s-control-plane components to retrieve the CA from the servers
@ -316,7 +316,7 @@ Use these links to navigate to a particular top-level stanza.
- `verify` ((#v-global-tls-verify)) (`boolean: true`) - If true, `verify_outgoing`, `verify_server_hostname`,
and `verify_incoming` for internal RPC communication 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 refer to [TLS on existing clusters](https://developer.hashicorp.com/consul/docs/k8s/operations/tls-on-existing-cluster)
Please refer to [TLS on existing clusters](/consul/docs/k8s/operations/tls-on-existing-cluster)
for more details.
- `httpsOnly` ((#v-global-tls-httpsonly)) (`boolean: true`) - If true, the Helm chart will configure Consul to disable the HTTP port on
@ -463,7 +463,7 @@ Use these links to navigate to a particular top-level stanza.
This address must be reachable from the Consul servers in the primary datacenter.
This auth method will be used to provision ACL tokens for Consul components and is different
from the one used by the Consul Service Mesh.
Please refer to the [Kubernetes Auth Method documentation](https://developer.hashicorp.com/consul/docs/security/acl/auth-methods/kubernetes).
Please refer to the [Kubernetes Auth Method documentation](/consul/docs/security/acl/auth-methods/kubernetes).
You can retrieve this value from your `kubeconfig` by running:
@ -574,7 +574,7 @@ Use these links to navigate to a particular top-level stanza.
Consul server agents.
- `replicas` ((#v-server-replicas)) (`integer: 1`) - The number of server agents to run. This determines the fault tolerance of
the cluster. Please refer to the [deployment table](https://developer.hashicorp.com/consul/docs/architecture/consensus#deployment-table)
the cluster. Please refer to the [deployment table](/consul/docs/architecture/consensus#deployment-table)
for more information.
- `bootstrapExpect` ((#v-server-bootstrapexpect)) (`int: null`) - The number of servers that are expected to be running.
@ -613,7 +613,7 @@ Use these links to navigate to a particular top-level stanza.
Vault Secrets backend:
If you are using Vault as a secrets backend, a Vault Policy must be created which allows `["create", "update"]`
capabilities on the PKI issuing endpoint, which is usually of the form `pki/issue/consul-server`.
Complete [this tutorial](https://developer.hashicorp.com/consul/tutorials/vault-secure/vault-pki-consul-secure-tls)
Complete [this tutorial](/consul/tutorials/vault-secure/vault-pki-consul-secure-tls)
to learn how to generate a compatible certificate.
Note: when using TLS, both the `server.serverCert` and `global.tls.caCert` which points to the CA endpoint of this PKI engine
must be provided.
@ -653,15 +653,15 @@ Use these links to navigate to a particular top-level stanza.
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.
Refer to the [Read/Write Tuning](https://developer.hashicorp.com/consul/docs/install/performance#read-write-tuning)
Refer to the [Read/Write Tuning](/consul/docs/install/performance#read-write-tuning)
section of the Server Performance Requirements documentation for considerations
around choosing a performant storage class.
~> **Note:** The [Reference Architecture](https://developer.hashicorp.com/consul/tutorials/production-deploy/reference-architecture#hardware-sizing-for-consul-servers)
~> **Note:** The [Reference Architecture](/consul/tutorials/production-deploy/reference-architecture#hardware-sizing-for-consul-servers)
contains best practices and recommendations for selecting suitable
hardware sizes for your Consul servers.
- `connect` ((#v-server-connect)) (`boolean: true`) - This will enable/disable [Connect](https://developer.hashicorp.com/consul/docs/connect). Setting this to true
- `connect` ((#v-server-connect)) (`boolean: true`) - This will enable/disable [Connect](/consul/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
@ -713,7 +713,7 @@ Use these links to navigate to a particular top-level stanza.
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
and [Upgrade Consul](https://developer.hashicorp.com/consul/docs/k8s/upgrade#upgrading-consul-servers)
and [Upgrade Consul](/consul/docs/k8s/upgrade#upgrading-consul-servers)
documentation for more information.
- `disruptionBudget` ((#v-server-disruptionbudget)) - This configures the [`PodDisruptionBudget`](https://kubernetes.io/docs/tasks/run-application/configure-pdb/)
@ -729,7 +729,7 @@ Use these links to navigate to a particular top-level stanza.
--set 'server.disruptionBudget.maxUnavailable=0'` flag to the helm chart installation
command because of a limitation in the Helm templating language.
- `extraConfig` ((#v-server-extraconfig)) (`string: {}`) - A raw string of extra [JSON configuration](https://developer.hashicorp.com/consul/docs/agent/config/config-files) for Consul
- `extraConfig` ((#v-server-extraconfig)) (`string: {}`) - A raw string of extra [JSON configuration](/consul/docs/agent/config/config-files) 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.
@ -906,18 +906,18 @@ Use these links to navigate to a particular top-level stanza.
it could be used to configure custom consul parameters.
- `snapshotAgent` ((#v-server-snapshotagent)) - <EnterpriseAlert inline /> Values for setting up and running
[snapshot agents](https://developer.hashicorp.com/consul/commands/snapshot/agent)
[snapshot agents](/consul/commands/snapshot/agent)
within the Consul clusters. They run as a sidecar with Consul servers.
- `enabled` ((#v-server-snapshotagent-enabled)) (`boolean: false`) - If true, the chart will install resources necessary to run the snapshot agent.
- `interval` ((#v-server-snapshotagent-interval)) (`string: 1h`) - Interval at which to perform snapshots.
Refer to [`interval`](https://developer.hashicorp.com/consul/commands/snapshot/agent#interval)
Refer to [`interval`](/consul/commands/snapshot/agent#interval)
- `configSecret` ((#v-server-snapshotagent-configsecret)) - A Kubernetes or Vault 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 refer to the [Snapshot agent config](https://developer.hashicorp.com/consul/commands/snapshot/agent#config-file-options)
credentials present. Please refer to the [Snapshot agent config](/consul/commands/snapshot/agent#config-file-options)
for details.
- `secretName` ((#v-server-snapshotagent-configsecret-secretname)) (`string: null`) - The name of the Kubernetes secret or Vault secret path that holds the snapshot agent config.
@ -975,7 +975,7 @@ Use these links to navigate to a particular top-level stanza.
- `k8sAuthMethodHost` ((#v-externalservers-k8sauthmethodhost)) (`string: null`) - 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 refer to the [Kubernetes Auth Method documentation](https://developer.hashicorp.com/consul/docs/security/acl/auth-methods/kubernetes).
Please refer to the [Kubernetes Auth Method documentation](/consul/docs/security/acl/auth-methods/kubernetes).
You could retrieve this value from your `kubeconfig` by running:
@ -998,7 +998,7 @@ Use these links to navigate to a particular top-level stanza.
- `image` ((#v-client-image)) (`string: null`) - The name of the Docker image (including any tag) for the containers
running Consul client agents.
- `join` ((#v-client-join)) (`array<string>: null`) - A list of valid [`-retry-join` values](https://developer.hashicorp.com/consul/docs/agent/config/cli-flags#_retry_join).
- `join` ((#v-client-join)) (`array<string>: null`) - A list of valid [`-retry-join` values](/consul/docs/agent/config/cli-flags#_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
@ -1019,7 +1019,7 @@ Use these links to navigate to a particular top-level stanza.
required for Connect.
- `nodeMeta` ((#v-client-nodemeta)) - nodeMeta specifies an arbitrary metadata key/value pair to associate with the node
(refer to [`-node-meta`](https://developer.hashicorp.com/consul/docs/agent/config/cli-flags#_node_meta))
(refer to [`-node-meta`](/consul/docs/agent/config/cli-flags#_node_meta))
- `pod-name` ((#v-client-nodemeta-pod-name)) (`string: ${HOSTNAME}`)
@ -1063,7 +1063,7 @@ Use these links to navigate to a particular top-level stanza.
- `tlsInit` ((#v-client-containersecuritycontext-tlsinit)) (`map`) - The tls-init initContainer
- `extraConfig` ((#v-client-extraconfig)) (`string: {}`) - A raw string of extra [JSON configuration](https://developer.hashicorp.com/consul/docs/agent/config/config-files) for Consul
- `extraConfig` ((#v-client-extraconfig)) (`string: {}`) - A raw string of extra [JSON configuration](/consul/docs/agent/config/config-files) 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.
@ -1329,16 +1329,16 @@ Use these links to navigate to a particular top-level stanza.
will inherit from `global.metrics.enabled` value.
- `provider` ((#v-ui-metrics-provider)) (`string: prometheus`) - Provider for metrics. Refer to
[`metrics_provider`](https://developer.hashicorp.com/consul/docs/agent/config/config-files#ui_config_metrics_provider)
[`metrics_provider`](/consul/docs/agent/config/config-files#ui_config_metrics_provider)
This value is only used if `ui.enabled` is set to true.
- `baseURL` ((#v-ui-metrics-baseurl)) (`string: http://prometheus-server`) - baseURL is the URL of the prometheus server, usually the service URL.
This value is only used if `ui.enabled` is set to true.
- `dashboardURLTemplates` ((#v-ui-dashboardurltemplates)) - Corresponds to [`dashboard_url_templates`](https://developer.hashicorp.com/consul/docs/agent/config/config-files#ui_config_dashboard_url_templates)
- `dashboardURLTemplates` ((#v-ui-dashboardurltemplates)) - Corresponds to [`dashboard_url_templates`](/consul/docs/agent/config/config-files#ui_config_dashboard_url_templates)
configuration.
- `service` ((#v-ui-dashboardurltemplates-service)) (`string: ""`) - Sets [`dashboardURLTemplates.service`](https://developer.hashicorp.com/consul/docs/agent/config/config-files#ui_config_dashboard_url_templates_service).
- `service` ((#v-ui-dashboardurltemplates-service)) (`string: ""`) - Sets [`dashboardURLTemplates.service`](/consul/docs/agent/config/config-files#ui_config_dashboard_url_templates_service).
### syncCatalog ((#h-synccatalog))
@ -1358,7 +1358,7 @@ Use these links to navigate to a particular top-level stanza.
to run the sync program.
- `default` ((#v-synccatalog-default)) (`boolean: true`) - If true, all valid services in K8S are
synced by default. If false, the service must be [annotated](https://developer.hashicorp.com/consul/docs/k8s/service-sync#enable-and-disable-sync)
synced by default. If false, the service must be [annotated](/consul/docs/k8s/service-sync#enable-and-disable-sync)
properly to sync.
In either case an annotation can override the default.
@ -1538,7 +1538,7 @@ Use these links to navigate to a particular top-level stanza.
- `default` ((#v-connectinject-default)) (`boolean: false`) - If true, the injector will inject the
Connect sidecar into all pods by default. Otherwise, pods must specify the
[injection annotation](https://developer.hashicorp.com/consul/docs/k8s/connect#consul-hashicorp-com-connect-inject)
[injection annotation](/consul/docs/k8s/connect#consul-hashicorp-com-connect-inject)
to opt-in to Connect injection. If this is true, pods can use the same annotation
to explicitly opt-out of injection.
@ -1816,8 +1816,8 @@ Use these links to navigate to a particular top-level stanza.
If set to an empty string all service accounts can log in.
This only has effect if ACLs are enabled.
Refer to Auth methods [Binding rules](https://developer.hashicorp.com/consul/docs/security/acl/auth-methods#binding-rules)
and [Trusted identiy attributes](https://developer.hashicorp.com/consul/docs/security/acl/auth-methods/kubernetes#trusted-identity-attributes)
Refer to Auth methods [Binding rules](/consul/docs/security/acl/auth-methods#binding-rules)
and [Trusted identiy attributes](/consul/docs/security/acl/auth-methods/kubernetes#trusted-identity-attributes)
for more details.
Requires Consul >= v1.5.
@ -1873,11 +1873,11 @@ Use these links to navigate to a particular top-level stanza.
### meshGateway ((#h-meshgateway))
- `meshGateway` ((#v-meshgateway)) - [Mesh Gateways](https://developer.hashicorp.com/consul/docs/connect/gateways/mesh-gateway) enable Consul Connect to work across Consul datacenters.
- `meshGateway` ((#v-meshgateway)) - [Mesh Gateways](/consul/docs/connect/gateways/mesh-gateway) enable Consul Connect to work across Consul datacenters.
- `enabled` ((#v-meshgateway-enabled)) (`boolean: false`) - If [mesh gateways](https://developer.hashicorp.com/consul/docs/connect/gateways/mesh-gateway) are enabled, a Deployment will be created that runs
- `enabled` ((#v-meshgateway-enabled)) (`boolean: false`) - If [mesh gateways](/consul/docs/connect/gateways/mesh-gateway) are enabled, a Deployment will be created that runs
gateways and Consul Connect will be configured to use gateways.
This setting is required for [Cluster Peering](https://developer.hashicorp.com/consul/docs/connect/cluster-peering/k8s).
This setting is required for [Cluster Peering](/consul/docs/connect/cluster-peering/k8s).
Requirements: consul 1.6.0+ if using `global.acls.manageSystemACLs``.
- `replicas` ((#v-meshgateway-replicas)) (`integer: 1`) - Number of replicas for the Deployment.