Prometheus Query

Prometheus Query

Certified

Run PromQL query against Prometheus

Execute a PromQL query and return metrics as vector, matrix, scalar, or string. Defaults to http://localhost: 9090 and uses fetchType (default NONE) to control outputs

yaml
type: io.kestra.plugin.prometheus.Query

Query CPU usage

yaml
id: prometheus-up-query
namespace: company.team

tasks:
  - id: check_up
    type: io.kestra.plugin.prometheus.Query
    url: "http://localhost:9090"
    query: "up"

Query a pushed custom metric

yaml
id: query-custom-metric
namespace: io.kestra.tests

tasks:
  - id: query_metric
    type: io.kestra.plugin.prometheus.Query
    url: "http://localhost:9090"
    query: "kestra_test_metric"
Properties

PromQL query

Prometheus query language expression

DefaultNONE
Possible Values
STOREFETCHFETCH_ONENONE

Fetch behavior

Controls how results are returned: FETCH_ONE first row, FETCH all rows, STORE writes all rows to storage, NONE skips storage. Default NONE

Additional HTTP headers

Headers added to every Prometheus request; later values override duplicates

HTTP client options

Override client settings such as timeouts, TLS, or proxy. Defaults to standard Kestra HTTP configuration

Definitions
allowFailedbooleanstring
Defaultfalse

If true, allow a failed response code (response code >= 400)

allowedResponseCodesarray
SubTypeinteger

List of response code allowed for this request

auth

The authentication to use.

type*Requiredobject
passwordstring

The password for HTTP basic authentication.

usernamestring

The username for HTTP basic authentication.

type*Requiredobject
tokenstring

The token for bearer token authentication.

type*Requiredobject
passwordstring

The password for HTTP Digest authentication.

usernamestring

The username for HTTP Digest authentication.

basicAuthPasswordDeprecatedstring

The password for HTTP basic authentication. Deprecated, use auth property with a BasicAuthConfiguration instance instead.

basicAuthUserDeprecatedstring

The username for HTTP basic authentication. Deprecated, use auth property with a BasicAuthConfiguration instance instead.

connectTimeoutDeprecatedstring
Formatduration

The time allowed to establish a connection to the server before failing.

connectionPoolIdleTimeoutDeprecatedstring
Formatduration

The time an idle connection can remain in the client's connection pool before being closed.

defaultCharsetstring
DefaultUTF-8

The default charset for the request.

enabledTcpExtendedKeepAlivebooleanstring
Defaulttrue

Whether to enable TCP Keep-Alive extended socket options (TCP_KEEPIDLE, TCP_KEEPINTERVAL, TCP_KEEPCOUNT).

Set to false when running on Windows workers, as these extended socket options are not supported by the Windows JDK and will cause connection failures.

followRedirectsbooleanstring
Defaulttrue

Whether redirects should be followed automatically.

logLevelDeprecatedstring
Possible Values
ALLTRACEDEBUGINFOWARNERROROFFNOT_SPECIFIED

The log level for the HTTP client.

logsarray
SubTypestring
Possible Values
REQUEST_HEADERSREQUEST_BODYRESPONSE_HEADERSRESPONSE_BODY

The enabled log.

maxContentLengthDeprecatedinteger

The maximum content length of the response.

proxy

The proxy configuration.

addressstring

The address of the proxy server.

passwordstring

The password for proxy authentication.

portintegerstring

The port of the proxy server.

typestring
DefaultDIRECT
Possible Values
DIRECTHTTPSOCKS

The type of proxy to use.

usernamestring

The username for proxy authentication.

proxyAddressDeprecatedstring

The address of the proxy server.

proxyPasswordDeprecatedstring

The password for proxy authentication.

proxyPortDeprecatedinteger

The port of the proxy server.

proxyTypeDeprecatedstring
Possible Values
DIRECTHTTPSOCKS

The type of proxy to use.

proxyUsernameDeprecatedstring

The username for proxy authentication.

readIdleTimeoutDeprecatedstring
Formatduration

The time allowed for a read connection to remain idle before closing it.

readTimeoutDeprecatedstring
Formatduration

The maximum time allowed for reading data from the server before failing.

ssl

The SSL request options

insecureTrustAllCertificatesbooleanstring

Whether to disable checking of the remote SSL certificate.

Only applies if no trust store is configured. Note: This makes the SSL connection insecure and should only be used for testing. If you are using a self-signed certificate, set up a trust store instead.

timeout

The timeout configuration.

connectTimeoutstring

The time allowed to establish a connection to the server before failing.

readIdleTimeoutstring
DefaultPT5M

The time allowed for a read connection to remain idle before closing it.

Basic auth password

Optional password paired with username for HTTP basic authentication

Reference (ref) of the pluginDefaults to apply to this task.

Query time

Query evaluation time (RFC3339 or Unix timestamp); defaults to current time

Defaulthttp://localhost:9090

Base URL

Prometheus server URL; defaults to http://localhost: 9090

Basic auth username

Optional username used for HTTP basic authentication