Read a Cluster
GET/ksqldbcm/v2/clusters/:id
Make a request to read a cluster.
Request
Responses
- 200
- 400
- 401
- 403
- 404
- 429
- 500
Cluster.
Response Headers
X-Request-Id
The unique identifier for the API request.
X-RateLimit-Limit
The maximum number of requests you're permitted to make per time period.
X-RateLimit-Remaining
The number of requests remaining in the current rate limit window.
X-RateLimit-Reset
The relative time in seconds until the current rate-limit window resets.
Important: This differs from Github and Twitter's same-named header which uses UTC epoch seconds. We use relative time to avoid client/server time synchronization issues.
Bad Request
Response Headers
X-Request-Id
The unique identifier for the API request.
The request lacks valid authentication credentials for this resource.
Response Headers
X-Request-Id
The unique identifier for the API request.
WWW-Authenticate
The unique identifier for the API request.
Example:
Basic error="invalid_key", error_description="The API Key is invalid"The access credentials were considered insufficient to grant access
Response Headers
X-Request-Id
The unique identifier for the API request.
Not Found
Response Headers
X-Request-Id
The unique identifier for the API request.
Rate Limit Exceeded
Response Headers
X-Request-Id
The unique identifier for the API request.
X-RateLimit-Limit
The maximum number of requests you're permitted to make per time period.
X-RateLimit-Remaining
The number of requests remaining in the current rate limit window.
X-RateLimit-Reset
The relative time in seconds until the current rate-limit window resets.
Important: This differs from Github and Twitter's same-named header which uses UTC epoch seconds. We use relative time to avoid client/server time synchronization issues.
Retry-After
The number of seconds to wait until the rate limit window resets. Only sent when the rate limit is reached.
Oops, something went wrong!
Response Headers
X-Request-Id
The unique identifier for the API request.
OpenAPI definition (YAML)
paths:
/ksqldbcm/v2/clusters/{id}:
get:
x-lifecycle-stage: General Availability
x-self-access: true
operationId: getKsqldbcmV2Cluster
description: '[](#section/Versioning/API-Lifecycle-Policy)
Make a request to read a cluster.'
parameters:
- name: environment
in: query
required: true
schema:
description: Filter a collection by a string search
type: string
title: SearchFilter
example: env-00000
description: Scope the operation to the given environment.
- name: id
in: path
required: true
schema:
type: string
description: The unique identifier for the cluster.
tags:
- Clusters (ksqldbcm/v2)
security:
- cloud-api-key: []
- confluent-sts-access-token: []
responses:
'200':
description: Cluster.
content:
application/json:
schema:
allOf:
- type: object
description: '`Cluster` represents a ksqlDB runtime that you can issue queries to using
its API endpoint.
It executes SQL statements and queries which under the hood get built into corresponding
Kafka Streams topologies. The API allows you to list, create, read, and delete your
ksqlDB clusters.
Related guide: [ksqlDB in Confluent Cloud](https://docs.confluent.io/cloud/current/ksqldb/ksqldb-cluster-api.html).
## The Clusters Model
<SchemaDefinition schemaRef="#/components/schemas/ksqldbcm.v2.Cluster" />
## Quotas and Limits
This resource is subject to the following quotas:
| Quota | Description |
| --- | --- |
| `ksql.limits.max_apps_per_cluster` | Clusters in one Confluent Cloud Kafka Cluster.
|'
properties:
api_version:
type: string
enum:
- ksqldbcm/v2
description: APIVersion defines the schema version of this representation of a resource.
readOnly: true
kind:
type: string
description: Kind defines the object this REST resource represents.
readOnly: true
enum:
- Cluster
id:
description: ID is the "natural identifier" for an object within its scope/namespace;
it is normally unique across time but not space. That is, you can assume that
the ID will not be reclaimed and reused after an object is deleted ("time"); however,
it may collide with IDs for other object `kinds` or objects of the same `kind`
within a different scope/namespace ("space").
type: string
maxLength: 255
readOnly: true
example: dlz-f3a90de
metadata:
allOf:
- description: ObjectMeta is metadata that all persisted resources must have, which
includes all objects users must create.
required:
- self
properties:
self:
description: Self is a Uniform Resource Locator (URL) at which an object can
be addressed. This URL encodes the service location, API version, and other
particulars necessary to locate the resource at a point in time
type: string
format: uri
readOnly: true
example: https://api.confluent.cloud/v2/kafka-clusters/lkc-f3a90de
resource_name:
description: Resource Name is a Uniform Resource Identifier (URI) that is
globally unique across space and time. It is represented as a Confluent
Resource Name
type: string
format: uri
readOnly: true
example: crn://confluent.cloud/kafka=lkc-f3a90de
created_at:
type: string
format: date-time
example: '2006-01-02T15:04:05-07:00'
readOnly: true
description: The date and time at which this object was created. It is represented
in RFC3339 format and is in UTC.
updated_at:
type: string
format: date-time
example: '2006-01-02T15:04:05-07:00'
readOnly: true
description: The date and time at which this object was last updated. It is
represented in RFC3339 format and is in UTC.
deleted_at:
type: string
format: date-time
example: '2006-01-02T15:04:05-07:00'
readOnly: true
description: The date and time at which this object was (or will be) deleted.
It is represented in RFC3339 format and is in UTC.
readOnly: true
title: ObjectMeta
- properties:
self:
example: https://api.confluent.cloud/ksqldbcm/v2/clusters/lksqlc-12345
resource_name:
example: crn://confluent.cloud/organization=9bb441c4-edef-46ac-8a41-c49e44a3fd9a/environment=env-abc123/cloud-cluster=lksqlc-12345
spec:
type: object
description: The desired state of the Cluster
properties:
display_name:
type: string
example: ksqlDB_cluster_0
description: The name of the ksqlDB cluster.
pattern: ^(?:[0-9A-Za-z\-])[\w-]{0,63}$
x-immutable: true
use_detailed_processing_log:
type: boolean
default: true
description: 'This flag controls whether you want to include the row data in
the processing log topic. Turn it off if you
don''t want to emit sensitive information to the processing log
'
x-immutable: true
csu:
type: integer
format: int32
example: 4
description: The number of CSUs (Confluent Streaming Units) in a ksqlDB cluster.
x-immutable: false
enum:
- 1
- 2
- 4
- 8
- 12
kafka_cluster:
allOf:
- type: object
description: ObjectReference provides information for you to locate the referred
object
required:
- id
- related
- resource_name
properties:
id:
type: string
description: ID of the referred resource
minLength: 1
maxLength: 255
environment:
type: string
description: Environment of the referred resource, if env-scoped
minLength: 1
maxLength: 255
related:
type: string
format: uri
description: API URL for accessing or modifying the referred object
minLength: 1
readOnly: true
resource_name:
type: string
format: uri
description: CRN reference to the referred resource
minLength: 1
readOnly: true
title: EnvScopedObjectReference
description: The kafka_cluster to which this belongs.
x-immutable: true
credential_identity:
allOf:
- type: object
description: ObjectReference provides information for you to locate the referred
object
required:
- id
- related
- resource_name
properties:
id:
type: string
description: ID of the referred resource
minLength: 1
maxLength: 255
related:
type: string
format: uri
description: API URL for accessing or modifying the referred object
minLength: 1
readOnly: true
resource_name:
type: string
format: uri
description: CRN reference to the referred resource
minLength: 1
readOnly: true
api_version:
type: string
description: API group and version of the referred resource
minLength: 1
readOnly: true
kind:
type: string
description: Kind of the referred resource
minLength: 1
readOnly: true
title: TypedGlobalObjectReference
description: The credential_identity to which this belongs. The credential_identity
can be one of iam.v2.User, iam.v2.ServiceAccount.
x-immutable: true
environment:
allOf:
- type: object
description: ObjectReference provides information for you to locate the referred
object
required:
- id
- related
- resource_name
properties:
id:
type: string
description: ID of the referred resource
minLength: 1
maxLength: 255
related:
type: string
format: uri
description: API URL for accessing or modifying the referred object
minLength: 1
readOnly: true
resource_name:
type: string
format: uri
description: CRN reference to the referred resource
minLength: 1
readOnly: true
title: GlobalObjectReference
description: The environment to which this belongs.
x-immutable: true
x-enable-id: true
x-enable-listmeta: true
x-enable-objectmeta: true
title: ksqldbcm.v2.ClusterSpec
status:
type: object
required:
- phase
- is_paused
- storage
description: The status of the Cluster
properties:
http_endpoint:
type: string
description: The dataplane endpoint of the ksqlDB cluster.
example: https://pksqlc-00000.us-central1.gcp.glb.confluent.cloud
readOnly: true
phase:
type: string
description: Status of the ksqlDB cluster.
example: PROVISIONING
readOnly: true
enum:
- PROVISIONING
- PROVISIONED
- FAILED
is_paused:
type: boolean
description: Tells you if the cluster has been paused
readOnly: true
storage:
type: integer
format: int32
example: 125
description: Amount of storage (in GB) provisioned to this cluster
readOnly: true
topic_prefix:
type: string
description: Topic name prefix used by this ksqlDB cluster. Used to assign ACLs
for this ksqlDB cluster to use.
example: pksqlc-00000
readOnly: true
readOnly: true
title: ksqldbcm.v2.ClusterStatus
title: ksqldbcm.v2.Cluster
- type: object
required:
- api_version
- kind
- id
- spec
- status
properties:
spec:
type: object
required:
- display_name
- csu
- kafka_cluster
- credential_identity
- environment
- type: object
properties:
spec:
type: object
properties:
kafka_cluster:
example:
id: lkc-00000
related: https://api.confluent.cloud/cmk/v2/clusters/lkc-00000
resource_name: https://api.confluent.cloud/organization=9bb441c4-edef-46ac-8a41-c49e44a3fd9a/environment=env-abc123/cloud-cluster=lkc-00000
credential_identity:
example:
id: u-a83k9b
related: https://api.confluent.cloud/iam/v2/users/u-a83k9b
resource_name: https://api.confluent.cloud/user=u-a83k9b
environment:
example:
id: env-00000
related: https://api.confluent.cloud/org/v2/environments/env-00000
resource_name: https://api.confluent.cloud/organization=9bb441c4-edef-46ac-8a41-c49e44a3fd9a/environment=env-00000
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
X-RateLimit-Limit:
schema:
type: integer
description: The maximum number of requests you're permitted to make per time period.
X-RateLimit-Remaining:
schema:
type: integer
description: The number of requests remaining in the current rate limit window.
X-RateLimit-Reset:
schema:
type: integer
description: "The relative time in seconds until the current rate-limit window resets. \
\ \n \n**Important:** This differs from Github and Twitter's same-named header which\
\ uses UTC epoch seconds. We use relative time to avoid client/server time synchronization\
\ issues."
'400':
description: Bad Request
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
content:
application/json:
schema:
type: object
description: Provides information about problems encountered while performing an operation.
required:
- errors
properties:
errors:
description: List of errors which caused this operation to fail
type: array
items:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a
string value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT**
change from occurrence to occurrence of the problem, except for purposes of
localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the
problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request,
the source will point to the query string parameter or request body property
that caused it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific
field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
uniqueItems: true
title: Failure
example:
errors:
- id: ed42afdc-f0d5-4c0d-b428-9fc6ed6e279d
status: '400'
code: invalid_filter
title: Invalid Filter
detail: The 'delorean' resource can't be filtered by 'num_doors'
source:
parameter: num_doors
'401':
x-summary: Unauthorized
description: The request lacks valid authentication credentials for this resource.
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
WWW-Authenticate:
schema:
type: string
description: The unique identifier for the API request.
example: Basic error="invalid_key", error_description="The API Key is invalid"
content:
application/json:
schema:
type: object
description: Provides information about problems encountered while performing an operation.
required:
- errors
properties:
errors:
description: List of errors which caused this operation to fail
type: array
items:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a
string value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT**
change from occurrence to occurrence of the problem, except for purposes of
localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the
problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request,
the source will point to the query string parameter or request body property
that caused it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific
field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
uniqueItems: true
title: Failure
example:
errors:
- id: ed42afdc-f0d5-4c0d-b428-9fc6ed6e279d
status: '401'
code: user_unauthenticated
title: Authentication Required
detail: Valid authentication credentials must be provided
'403':
x-summary: Forbidden
description: The access credentials were considered insufficient to grant access
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
content:
application/json:
schema:
type: object
description: Provides information about problems encountered while performing an operation.
required:
- errors
properties:
errors:
description: List of errors which caused this operation to fail
type: array
items:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a
string value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT**
change from occurrence to occurrence of the problem, except for purposes of
localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the
problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request,
the source will point to the query string parameter or request body property
that caused it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific
field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
uniqueItems: true
title: Failure
example:
errors:
- id: ed42afdc-f0d5-4c0d-b428-9fc6ed6e279d
status: '403'
code: user_unauthorized
title: User Access Unauthorized
detail: The user 'mcfly' is not allowed to access the 'delorean' resource without the
'plutonium' role.
'404':
description: Not Found
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
content:
application/json:
schema:
type: object
description: Provides information about problems encountered while performing an operation.
required:
- errors
properties:
errors:
description: List of errors which caused this operation to fail
type: array
items:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a
string value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT**
change from occurrence to occurrence of the problem, except for purposes of
localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the
problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request,
the source will point to the query string parameter or request body property
that caused it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific
field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
uniqueItems: true
title: Failure
example:
errors:
- id: ed42afdc-f0d5-4c0d-b428-9fc6ed6e279d
status: '404'
title: Not Found
'429':
description: Rate Limit Exceeded
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
X-RateLimit-Limit:
schema:
type: integer
description: The maximum number of requests you're permitted to make per time period.
X-RateLimit-Remaining:
schema:
type: integer
description: The number of requests remaining in the current rate limit window.
X-RateLimit-Reset:
schema:
type: integer
description: "The relative time in seconds until the current rate-limit window resets. \
\ \n \n**Important:** This differs from Github and Twitter's same-named header which\
\ uses UTC epoch seconds. We use relative time to avoid client/server time synchronization\
\ issues."
Retry-After:
schema:
type: integer
description: The number of seconds to wait until the rate limit window resets. Only sent
when the rate limit is reached.
'500':
description: Oops, something went wrong!
headers:
X-Request-Id:
schema:
type: string
description: The unique identifier for the API request.
content:
application/json:
schema:
type: object
description: Provides information about problems encountered while performing an operation.
required:
- errors
properties:
errors:
description: List of errors which caused this operation to fail
type: array
items:
type: object
description: Describes a particular error encountered while performing an operation.
properties:
id:
description: A unique identifier for this particular occurrence of the problem.
type: string
maxLength: 255
status:
description: The HTTP status code applicable to this problem, expressed as a
string value.
type: string
code:
description: An application-specific error code, expressed as a string value.
type: string
title:
description: A short, human-readable summary of the problem. It **SHOULD NOT**
change from occurrence to occurrence of the problem, except for purposes of
localization.
type: string
detail:
description: A human-readable explanation specific to this occurrence of the
problem.
type: string
source:
type: object
description: If this error was caused by a particular part of the API request,
the source will point to the query string parameter or request body property
that caused it.
properties:
pointer:
description: A JSON Pointer [RFC6901] to the associated entity in the request
document [e.g. "/spec" for a spec object, or "/spec/title" for a specific
field].
type: string
parameter:
description: A string indicating which query parameter caused the error.
type: string
error_code:
type: integer
format: int32
message:
type: string
nullable: true
additionalProperties: false
title: Error
uniqueItems: true
title: Failure
example:
errors:
- id: ed42afdc-f0d5-4c0d-b428-9fc6ed6e279d
status: '500'
code: out_of_gas
title: DeLorean Out Of Gas
detail: The DeLorean has run out of gas, but Doc Brown will fill 'er up for you asap
servers:
- url: https://api.confluent.cloud
description: Confluent Cloud API