/sys/loggers

Restricted endpoint

The API path can only be called from the root namespace.

The /sys/loggers endpoint is used modify the verbosity level of logging.

NOTE: Changes made to the log level using this endpoint are not persisted and will be restored to either the default log level (info) or the level specified using log_level in vault.hcl or the VAULT_LOG_LEVEL environment variable once the Vault service is reloaded or restarted.

Modify verbosity level of all loggers

Method	Path
`POST`	`/sys/loggers`

Parameters

level (string: <required>) – Specifies the log verbosity level to be set for all loggers. Supported values (in order of detail) are "trace", "debug", "info", "warn", and "error".

Sample payload

{  "level": "debug",}

Sample request

$ curl \    --header "X-Vault-Token: ..." \    --request POST \    --data @payload.json \    http://127.0.0.1:8200/v1/sys/loggers

Modify verbosity level of a single logger

Method	Path
`POST`	`/sys/loggers/:name`

Parameters

name (string: <required>) – Specifies the logger to be modified (e.g. audit, core, expiration).
level (string: <required>) – Specifies the log verbosity level to be set for the provided logger. Supported values (in order of detail) are "trace", "debug", "info", "warn", and "error".

Sample payload

{  "level": "debug",}

Sample request

$ curl \    --header "X-Vault-Token: ..." \    --request POST \    --data @payload.json \    http://127.0.0.1:8200/v1/sys/loggers/core

Read verbosity level of all loggers

Method	Path
`GET`	`/sys/loggers`

Sample request

$ curl \    --header "X-Vault-Token: ..." \    https://127.0.0.1:8200/v1/sys/loggers

Sample response

{    "audit": "trace",    "core": "info",    "policy": "debug"}

Read verbosity level of a single logger

Method	Path
`GET`	`/sys/loggers/:name`

Sample request

$ curl \    --header "X-Vault-Token: ..." \    https://127.0.0.1:8200/v1/sys/loggers/core

Sample response

{    "core": "info"}

Revert verbosity of all loggers to configured level

Method	Path
`DELETE`	`/sys/loggers`

Sample request

$ curl \    --header "X-Vault-Token: ..." \    --request DELETE \    http://127.0.0.1:8200/v1/sys/loggers

Revert verbosity of a single logger to configured level

Method	Path
`DELETE`	`/sys/loggers/:name`

Parameters

name (string: <required>) – Specifies the logger to be modified (e.g. audit, core, expiration).

Sample request

$ curl \    --header "X-Vault-Token: ..." \    --request DELETE \    http://127.0.0.1:8200/v1/sys/loggers/core