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strimzi-cluster-operator.yaml
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apiVersion: v1
kind: Namespace
metadata:
name: kafka
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
name: kafkas.kafka.strimzi.io
labels:
app: strimzi
strimzi.io/crd-install: 'true'
spec:
group: kafka.strimzi.io
names:
kind: Kafka
listKind: KafkaList
singular: kafka
plural: kafkas
shortNames:
- k
categories:
- strimzi
scope: Namespaced
conversion:
strategy: None
versions:
- name: v1beta2
served: true
storage: true
subresources:
status: {}
additionalPrinterColumns:
- name: Desired Kafka replicas
description: The desired number of Kafka replicas in the cluster
jsonPath: .spec.kafka.replicas
type: integer
- name: Desired ZK replicas
description: The desired number of ZooKeeper replicas in the cluster
jsonPath: .spec.zookeeper.replicas
type: integer
- name: Ready
description: The state of the custom resource
jsonPath: '.status.conditions[?(@.type=="Ready")].status'
type: string
- name: Warnings
description: Warnings related to the custom resource
jsonPath: '.status.conditions[?(@.type=="Warning")].status'
type: string
schema:
openAPIV3Schema:
type: object
properties:
spec:
type: object
properties:
kafka:
type: object
properties:
version:
type: string
description: >-
The kafka broker version. Defaults to
{DefaultKafkaVersion}. Consult the user documentation to
understand the process required to upgrade or downgrade
the version.
replicas:
type: integer
minimum: 1
description: The number of pods in the cluster.
image:
type: string
description: >-
The docker image for the pods. The default value depends
on the configured `Kafka.spec.kafka.version`.
listeners:
type: array
minItems: 1
items:
type: object
properties:
name:
type: string
pattern: '^[a-z0-9]{1,11}$'
description: >-
Name of the listener. The name will be used to
identify the listener and the related Kubernetes
objects. The name has to be unique within given a
Kafka cluster. The name can consist of lowercase
characters and numbers and be up to 11 characters
long.
port:
type: integer
minimum: 9092
description: >-
Port number used by the listener inside Kafka. The
port number has to be unique within a given Kafka
cluster. Allowed port numbers are 9092 and higher
with the exception of ports 9404 and 9999, which
are already used for Prometheus and JMX. Depending
on the listener type, the port number might not be
the same as the port number that connects Kafka
clients.
type:
type: string
enum:
- internal
- route
- loadbalancer
- nodeport
- ingress
description: >
Type of the listener. Currently the supported
types are `internal`, `route`, `loadbalancer`,
`nodeport` and `ingress`.
* `internal` type exposes Kafka internally only
within the Kubernetes cluster.
* `route` type uses OpenShift Routes to expose
Kafka.
* `loadbalancer` type uses LoadBalancer type
services to expose Kafka.
* `nodeport` type uses NodePort type services to
expose Kafka.
* `ingress` type uses Kubernetes Nginx Ingress to
expose Kafka.
tls:
type: boolean
description: >-
Enables TLS encryption on the listener. This is a
required property.
authentication:
type: object
properties:
accessTokenIsJwt:
type: boolean
description: >-
Configure whether the access token is treated
as JWT. This must be set to `false` if the
authorization server returns opaque tokens.
Defaults to `true`.
checkAccessTokenType:
type: boolean
description: >-
Configure whether the access token type check
is performed or not. This should be set to
`false` if the authorization server does not
include 'typ' claim in JWT token. Defaults to
`true`.
checkAudience:
type: boolean
description: >-
Enable or disable audience checking. Audience
checks identify the recipients of tokens. If
audience checking is enabled, the OAuth Client
ID also has to be configured using the
`clientId` property. The Kafka broker will
reject tokens that do not have its `clientId`
in their `aud` (audience) claim.Default value
is `false`.
checkIssuer:
type: boolean
description: >-
Enable or disable issuer checking. By default
issuer is checked using the value configured
by `validIssuerUri`. Default value is `true`.
clientAudience:
type: string
description: >-
The audience to use when making requests to
the authorization server's token endpoint.
Used for inter-broker authentication and for
configuring OAuth 2.0 over PLAIN using the
`clientId` and `secret` method.
clientId:
type: string
description: >-
OAuth Client ID which the Kafka broker can use
to authenticate against the authorization
server and use the introspect endpoint URI.
clientScope:
type: string
description: >-
The scope to use when making requests to the
authorization server's token endpoint. Used
for inter-broker authentication and for
configuring OAuth 2.0 over PLAIN using the
`clientId` and `secret` method.
clientSecret:
type: object
properties:
key:
type: string
description: >-
The key under which the secret value is
stored in the Kubernetes Secret.
secretName:
type: string
description: >-
The name of the Kubernetes Secret
containing the secret value.
required:
- key
- secretName
description: >-
Link to Kubernetes Secret containing the OAuth
client secret which the Kafka broker can use
to authenticate against the authorization
server and use the introspect endpoint URI.
customClaimCheck:
type: string
description: >-
JsonPath filter query to be applied to the JWT
token or to the response of the introspection
endpoint for additional token validation. Not
set by default.
disableTlsHostnameVerification:
type: boolean
description: >-
Enable or disable TLS hostname verification.
Default value is `false`.
enableECDSA:
type: boolean
description: >-
Enable or disable ECDSA support by installing
BouncyCastle crypto provider. ECDSA support is
always enabled. The BouncyCastle libraries are
no longer packaged with Strimzi. Value is
ignored.
enableOauthBearer:
type: boolean
description: >-
Enable or disable OAuth authentication over
SASL_OAUTHBEARER. Default value is `true`.
enablePlain:
type: boolean
description: >-
Enable or disable OAuth authentication over
SASL_PLAIN. There is no re-authentication
support when this mechanism is used. Default
value is `false`.
fallbackUserNameClaim:
type: string
description: >-
The fallback username claim to be used for the
user id if the claim specified by
`userNameClaim` is not present. This is useful
when `client_credentials` authentication only
results in the client id being provided in
another claim. It only takes effect if
`userNameClaim` is set.
fallbackUserNamePrefix:
type: string
description: >-
The prefix to use with the value of
`fallbackUserNameClaim` to construct the user
id. This only takes effect if
`fallbackUserNameClaim` is true, and the value
is present for the claim. Mapping usernames
and client ids into the same user id space is
useful in preventing name collisions.
introspectionEndpointUri:
type: string
description: >-
URI of the token introspection endpoint which
can be used to validate opaque non-JWT tokens.
jwksEndpointUri:
type: string
description: >-
URI of the JWKS certificate endpoint, which
can be used for local JWT validation.
jwksExpirySeconds:
type: integer
minimum: 1
description: >-
Configures how often are the JWKS certificates
considered valid. The expiry interval has to
be at least 60 seconds longer then the refresh
interval specified in `jwksRefreshSeconds`.
Defaults to 360 seconds.
jwksMinRefreshPauseSeconds:
type: integer
minimum: 0
description: >-
The minimum pause between two consecutive
refreshes. When an unknown signing key is
encountered the refresh is scheduled
immediately, but will always wait for this
minimum pause. Defaults to 1 second.
jwksRefreshSeconds:
type: integer
minimum: 1
description: >-
Configures how often are the JWKS certificates
refreshed. The refresh interval has to be at
least 60 seconds shorter then the expiry
interval specified in `jwksExpirySeconds`.
Defaults to 300 seconds.
maxSecondsWithoutReauthentication:
type: integer
description: >-
Maximum number of seconds the authenticated
session remains valid without
re-authentication. This enables Apache Kafka
re-authentication feature, and causes sessions
to expire when the access token expires. If
the access token expires before max time or if
max time is reached, the client has to
re-authenticate, otherwise the server will
drop the connection. Not set by default - the
authenticated session does not expire when the
access token expires. This option only applies
to SASL_OAUTHBEARER authentication mechanism
(when `enableOauthBearer` is `true`).
tlsTrustedCertificates:
type: array
items:
type: object
properties:
certificate:
type: string
description: >-
The name of the file certificate in the
Secret.
secretName:
type: string
description: >-
The name of the Secret containing the
certificate.
required:
- certificate
- secretName
description: >-
Trusted certificates for TLS connection to the
OAuth server.
tokenEndpointUri:
type: string
description: >-
URI of the Token Endpoint to use with
SASL_PLAIN mechanism when the client
authenticates with `clientId` and a `secret`.
If set, the client can authenticate over
SASL_PLAIN by either setting `username` to
`clientId`, and setting `password` to client
`secret`, or by setting `username` to account
username, and `password` to access token
prefixed with `$accessToken:`. If this option
is not set, the `password` is always
interpreted as an access token (without a
prefix), and `username` as the account
username (a so called 'no-client-credentials'
mode).
type:
type: string
enum:
- tls
- scram-sha-512
- oauth
description: >-
Authentication type. `oauth` type uses SASL
OAUTHBEARER Authentication. `scram-sha-512`
type uses SASL SCRAM-SHA-512 Authentication.
`tls` type uses TLS Client Authentication.
`tls` type is supported only on TLS listeners.
userInfoEndpointUri:
type: string
description: >-
URI of the User Info Endpoint to use as a
fallback to obtaining the user id when the
Introspection Endpoint does not return
information that can be used for the user id.
userNameClaim:
type: string
description: >-
Name of the claim from the JWT authentication
token, Introspection Endpoint response or User
Info Endpoint response which will be used to
extract the user id. Defaults to `sub`.
validIssuerUri:
type: string
description: >-
URI of the token issuer used for
authentication.
validTokenType:
type: string
description: >-
Valid value for the `token_type` attribute
returned by the Introspection Endpoint. No
default value, and not checked by default.
required:
- type
description: Authentication configuration for this listener.
configuration:
type: object
properties:
brokerCertChainAndKey:
type: object
properties:
certificate:
type: string
description: >-
The name of the file certificate in the
Secret.
key:
type: string
description: The name of the private key in the Secret.
secretName:
type: string
description: >-
The name of the Secret containing the
certificate.
required:
- certificate
- key
- secretName
description: >-
Reference to the `Secret` which holds the
certificate and private key pair which will be
used for this listener. The certificate can
optionally contain the whole chain. This field
can be used only with listeners with enabled
TLS encryption.
externalTrafficPolicy:
type: string
enum:
- Local
- Cluster
description: >-
Specifies whether the service routes external
traffic to node-local or cluster-wide
endpoints. `Cluster` may cause a second hop to
another node and obscures the client source
IP. `Local` avoids a second hop for
LoadBalancer and Nodeport type services and
preserves the client source IP (when supported
by the infrastructure). If unspecified,
Kubernetes will use `Cluster` as the
default.This field can be used only with
`loadbalancer` or `nodeport` type listener.
loadBalancerSourceRanges:
type: array
items:
type: string
description: >-
A list of CIDR ranges (for example
`10.0.0.0/8` or `130.211.204.1/32`) from which
clients can connect to load balancer type
listeners. If supported by the platform,
traffic through the loadbalancer is restricted
to the specified CIDR ranges. This field is
applicable only for loadbalancer type services
and is ignored if the cloud provider does not
support the feature. For more information, see
https://v1-17.docs.kubernetes.io/docs/tasks/access-application-cluster/configure-cloud-provider-firewall/.
This field can be used only with
`loadbalancer` type listener.
bootstrap:
type: object
properties:
alternativeNames:
type: array
items:
type: string
description: >-
Additional alternative names for the
bootstrap service. The alternative names
will be added to the list of subject
alternative names of the TLS certificates.
host:
type: string
description: >-
The bootstrap host. This field will be
used in the Ingress resource or in the
Route resource to specify the desired
hostname. This field can be used only with
`route` (optional) or `ingress` (required)
type listeners.
nodePort:
type: integer
description: >-
Node port for the bootstrap service. This
field can be used only with `nodeport`
type listener.
loadBalancerIP:
type: string
description: >-
The loadbalancer is requested with the IP
address specified in this field. This
feature depends on whether the underlying
cloud provider supports specifying the
`loadBalancerIP` when a load balancer is
created. This field is ignored if the
cloud provider does not support the
feature.This field can be used only with
`loadbalancer` type listener.
annotations:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Annotations that will be added to the
`Ingress`, `Route`, or `Service` resource.
You can use this field to configure DNS
providers such as External DNS. This field
can be used only with `loadbalancer`,
`nodeport`, `route`, or `ingress` type
listeners.
labels:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Labels that will be added to the
`Ingress`, `Route`, or `Service` resource.
This field can be used only with
`loadbalancer`, `nodeport`, `route`, or
`ingress` type listeners.
description: Bootstrap configuration.
brokers:
type: array
items:
type: object
properties:
broker:
type: integer
description: >-
ID of the kafka broker (broker
identifier). Broker IDs start from 0 and
correspond to the number of broker
replicas.
advertisedHost:
type: string
description: >-
The host name which will be used in the
brokers' `advertised.brokers`.
advertisedPort:
type: integer
description: >-
The port number which will be used in
the brokers' `advertised.brokers`.
host:
type: string
description: >-
The broker host. This field will be used
in the Ingress resource or in the Route
resource to specify the desired
hostname. This field can be used only
with `route` (optional) or `ingress`
(required) type listeners.
nodePort:
type: integer
description: >-
Node port for the per-broker service.
This field can be used only with
`nodeport` type listener.
loadBalancerIP:
type: string
description: >-
The loadbalancer is requested with the
IP address specified in this field. This
feature depends on whether the
underlying cloud provider supports
specifying the `loadBalancerIP` when a
load balancer is created. This field is
ignored if the cloud provider does not
support the feature.This field can be
used only with `loadbalancer` type
listener.
annotations:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Annotations that will be added to the
`Ingress` or `Service` resource. You can
use this field to configure DNS
providers such as External DNS. This
field can be used only with
`loadbalancer`, `nodeport`, or `ingress`
type listeners.
labels:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Labels that will be added to the
`Ingress`, `Route`, or `Service`
resource. This field can be used only
with `loadbalancer`, `nodeport`,
`route`, or `ingress` type listeners.
required:
- broker
description: Per-broker configurations.
ipFamilyPolicy:
type: string
enum:
- SingleStack
- PreferDualStack
- RequireDualStack
description: >-
Specifies the IP Family Policy used by the
service. Available options are `SingleStack`,
`PreferDualStack` and `RequireDualStack`.
`SingleStack` is for a single IP family.
`PreferDualStack` is for two IP families on
dual-stack configured clusters or a single IP
family on single-stack clusters.
`RequireDualStack` fails unless there are two
IP families on dual-stack configured clusters.
If unspecified, Kubernetes will choose the
default value based on the service type.
Available on Kubernetes 1.20 and newer.
ipFamilies:
type: array
items:
type: string
enum:
- IPv4
- IPv6
description: >-
Specifies the IP Families used by the service.
Available options are `IPv4` and `IPv6. If
unspecified, Kubernetes will choose the
default value based on the `ipFamilyPolicy`
setting. Available on Kubernetes 1.20 and
newer.
class:
type: string
description: >-
Configures the `Ingress` class that defines
which `Ingress` controller will be used. This
field can be used only with `ingress` type
listener. If not specified, the default
Ingress controller will be used.
finalizers:
type: array
items:
type: string
description: >-
A list of finalizers which will be configured
for the `LoadBalancer` type Services created
for this listener. If supported by the
platform, the finalizer
`service.kubernetes.io/load-balancer-cleanup`
to make sure that the external load balancer
is deleted together with the service.For more
information, see
https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#garbage-collecting-load-balancers.
This field can be used only with
`loadbalancer` type listeners.
maxConnectionCreationRate:
type: integer
description: >-
The maximum connection creation rate we allow
in this listener at any time. New connections
will be throttled if the limit is reached.
maxConnections:
type: integer
description: >-
The maximum number of connections we allow for
this listener in the broker at any time. New
connections are blocked if the limit is
reached.
preferredNodePortAddressType:
type: string
enum:
- ExternalIP
- ExternalDNS
- InternalIP
- InternalDNS
- Hostname
description: >-
Defines which address type should be used as
the node address. Available types are:
`ExternalDNS`, `ExternalIP`, `InternalDNS`,
`InternalIP` and `Hostname`. By default, the
addresses will be used in the following order
(the first one found will be used):
* `ExternalDNS`
* `ExternalIP`
* `InternalDNS`
* `InternalIP`
* `Hostname`
This field is used to select the preferred
address type, which is checked first. If no
address is found for this address type, the
other types are checked in the default order.
This field can only be used with `nodeport`
type listener.
useServiceDnsDomain:
type: boolean
description: >-
Configures whether the Kubernetes service DNS
domain should be used or not. If set to
`true`, the generated addresses will contain
the service DNS domain suffix (by default
`.cluster.local`, can be configured using
environment variable
`KUBERNETES_SERVICE_DNS_DOMAIN`). Defaults to
`false`.This field can be used only with
`internal` type listener.
description: Additional listener configuration.
networkPolicyPeers:
type: array
items:
type: object
properties:
ipBlock:
type: object
properties:
cidr:
type: string
except:
type: array
items:
type: string
namespaceSelector:
type: object
properties:
matchExpressions:
type: array
items:
type: object
properties:
key:
type: string
operator:
type: string
values:
type: array
items:
type: string
matchLabels:
x-kubernetes-preserve-unknown-fields: true
type: object
podSelector:
type: object
properties:
matchExpressions:
type: array
items:
type: object
properties:
key:
type: string
operator:
type: string
values:
type: array
items:
type: string
matchLabels:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
List of peers which should be able to connect to
this listener. Peers in this list are combined
using a logical OR operation. If this field is
empty or missing, all connections will be allowed
for this listener. If this field is present and
contains at least one item, the listener only
allows the traffic which matches at least one item
in this list.
required:
- name
- port
- type
- tls
description: Configures listeners of Kafka brokers.
config:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Kafka broker config properties with the following
prefixes cannot be set: listeners, advertised., broker.,
listener., host.name, port, inter.broker.listener.name,
sasl., ssl., security., password.,
principal.builder.class, log.dir, zookeeper.connect,
zookeeper.set.acl, zookeeper.ssl,
zookeeper.clientCnxnSocket, authorizer., super.user,
cruise.control.metrics.topic,
cruise.control.metrics.reporter.bootstrap.servers (with
the exception of: zookeeper.connection.timeout.ms,
ssl.cipher.suites, ssl.protocol,
ssl.enabled.protocols,cruise.control.metrics.topic.num.partitions,
cruise.control.metrics.topic.replication.factor,
cruise.control.metrics.topic.retention.ms,cruise.control.metrics.topic.auto.create.retries,
cruise.control.metrics.topic.auto.create.timeout.ms,cruise.control.metrics.topic.min.insync.replicas).
storage:
type: object
properties:
class:
type: string
description: >-
The storage class to use for dynamic volume
allocation.
deleteClaim:
type: boolean
description: >-
Specifies if the persistent volume claim has to be
deleted when the cluster is un-deployed.
id:
type: integer
minimum: 0
description: >-
Storage identification number. It is mandatory only
for storage volumes defined in a storage of type
'jbod'.
overrides:
type: array
items:
type: object
properties:
class:
type: string
description: >-
The storage class to use for dynamic volume
allocation for this broker.
broker:
type: integer
description: Id of the kafka broker (broker identifier).
description: >-
Overrides for individual brokers. The `overrides`
field allows to specify a different configuration
for different brokers.
selector:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Specifies a specific persistent volume to use. It
contains key:value pairs representing labels for
selecting such a volume.
size:
type: string
description: >-
When type=persistent-claim, defines the size of the
persistent volume claim (i.e 1Gi). Mandatory when
type=persistent-claim.
sizeLimit:
type: string
pattern: '^([0-9.]+)([eEinumkKMGTP]*[-+]?[0-9]*)$'
description: >-
When type=ephemeral, defines the total amount of
local storage required for this EmptyDir volume (for
example 1Gi).
type:
type: string
enum:
- ephemeral
- persistent-claim
- jbod
description: >-
Storage type, must be either 'ephemeral',
'persistent-claim', or 'jbod'.
volumes:
type: array
items:
type: object
properties:
class:
type: string
description: >-
The storage class to use for dynamic volume
allocation.
deleteClaim:
type: boolean
description: >-
Specifies if the persistent volume claim has
to be deleted when the cluster is un-deployed.
id:
type: integer
minimum: 0
description: >-
Storage identification number. It is mandatory
only for storage volumes defined in a storage
of type 'jbod'.
overrides:
type: array
items:
type: object
properties:
class:
type: string
description: >-
The storage class to use for dynamic
volume allocation for this broker.
broker:
type: integer
description: >-
Id of the kafka broker (broker
identifier).
description: >-
Overrides for individual brokers. The
`overrides` field allows to specify a
different configuration for different brokers.
selector:
x-kubernetes-preserve-unknown-fields: true
type: object
description: >-
Specifies a specific persistent volume to use.
It contains key:value pairs representing
labels for selecting such a volume.
size:
type: string
description: >-
When type=persistent-claim, defines the size
of the persistent volume claim (i.e 1Gi).
Mandatory when type=persistent-claim.
sizeLimit:
type: string
pattern: '^([0-9.]+)([eEinumkKMGTP]*[-+]?[0-9]*)$'
description: >-
When type=ephemeral, defines the total amount
of local storage required for this EmptyDir
volume (for example 1Gi).
type:
type: string
enum:
- ephemeral
- persistent-claim
description: >-
Storage type, must be either 'ephemeral' or
'persistent-claim'.
required:
- type
description: >-
List of volumes as Storage objects representing the
JBOD disks array.
required:
- type
description: Storage configuration (disk). Cannot be updated.
authorization:
type: object
properties:
allowOnError:
type: boolean
description: >-
Defines whether a Kafka client should be allowed or
denied by default when the authorizer fails to query
the Open Policy Agent, for example, when it is
temporarily unavailable). Defaults to `false` - all
actions will be denied.
authorizerClass:
type: string
description: >-
Authorization implementation class, which must be
available in classpath.
clientId:
type: string
description: >-
OAuth Client ID which the Kafka client can use to
authenticate against the OAuth server and use the
token endpoint URI.
delegateToKafkaAcls:
type: boolean
description: >-
Whether authorization decision should be delegated
to the 'Simple' authorizer if DENIED by Keycloak
Authorization Services policies. Default value is
`false`.
disableTlsHostnameVerification:
type: boolean
description: >-
Enable or disable TLS hostname verification. Default
value is `false`.
expireAfterMs:
type: integer
description: >-
The expiration of the records kept in the local
cache to avoid querying the Open Policy Agent for
every request. Defines how often the cached
authorization decisions are reloaded from the Open
Policy Agent server. In milliseconds. Defaults to
`3600000`.
grantsRefreshPeriodSeconds:
type: integer
minimum: 0
description: >-
The time between two consecutive grants refresh runs
in seconds. The default value is 60.
grantsRefreshPoolSize:
type: integer
minimum: 1
description: >-
The number of threads to use to refresh grants for
active sessions. The more threads, the more
parallelism, so the sooner the job completes.
However, using more threads places a heavier load on
the authorization server. The default value is 5.
initialCacheCapacity: