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woodpecker/docs/versioned_docs/version-2.6/30-administration/10-server-config.md
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Server configuration

User registration

Woodpecker does not have its own user registry; users are provided from your forge (using OAuth2).

Registration is closed by default (WOODPECKER_OPEN=false). If registration is open (WOODPECKER_OPEN=true) then every user with an account at the configured forge can login to Woodpecker.

To open registration:

WOODPECKER_OPEN=true

You can also restrict registration, by keep registration closed and:

  • adding new users manually via the CLI: woodpecker-cli user add
  • allowing specific admin users via the WOODPECKER_ADMIN setting
  • by open registration and filter by organization membership through the WOODPECKER_ORGS setting

Close registration, but allow specific admin users

WOODPECKER_OPEN=false
WOODPECKER_ADMIN=johnsmith,janedoe

Only allow registration of users, who are members of approved organizations

WOODPECKER_OPEN=true
WOODPECKER_ORGS=dolores,dogpatch

Administrators

Administrators should also be enumerated in your configuration.

WOODPECKER_ADMIN=johnsmith,janedoe

Filtering repositories

Woodpecker operates with the user's OAuth permission. Due to the coarse permission handling of GitHub, you may end up syncing more repos into Woodpecker than preferred.

Use the WOODPECKER_REPO_OWNERS variable to filter which GitHub user's repos should be synced only. You typically want to put here your company's GitHub name.

WOODPECKER_REPO_OWNERS=mycompany,mycompanyossgithubuser

Global registry setting

If you want to make available a specific private registry to all pipelines, use the WOODPECKER_DOCKER_CONFIG server configuration. Point it to your server's docker config.

WOODPECKER_DOCKER_CONFIG=/root/.docker/config.json

Handling sensitive data in docker-compose and docker-swarm

To handle sensitive data in docker-compose or docker-swarm configurations there are several options:

For docker-compose you can use a .env file next to your compose configuration to store the secrets outside of the compose file. While this separates configuration from secrets it is still not very secure.

Alternatively use docker-secrets. As it may be difficult to use docker secrets for environment variables Woodpecker allows to read sensible data from files by providing a *_FILE option of all sensible configuration variables. Woodpecker will try to read the value directly from this file. Keep in mind that when the original environment variable gets specified at the same time it will override the value read from the file.

 version: '3'

 services:
   woodpecker-server:
     [...]
     environment:
       - [...]
+      - WOODPECKER_AGENT_SECRET_FILE=/run/secrets/woodpecker-agent-secret
+    secrets:
+      - woodpecker-agent-secret
+
+ secrets:
+   woodpecker-agent-secret:
+     external: true

Store a value to a docker secret like this:

echo "my_agent_secret_key" | docker secret create woodpecker-agent-secret -

or generate a random one like this:

openssl rand -hex 32 | docker secret create woodpecker-agent-secret -

Custom JavaScript and CSS

Woodpecker supports custom JS and CSS files. These files must be present in the server's filesystem. They can be backed in a Docker image or mounted from a ConfigMap inside a Kubernetes environment. The configuration variables are independent of each other, which means it can be just one file present, or both.

WOODPECKER_CUSTOM_CSS_FILE=/usr/local/www/woodpecker.css
WOODPECKER_CUSTOM_JS_FILE=/usr/local/www/woodpecker.js

The examples below show how to place a banner message in the top navigation bar of Woodpecker.

woodpecker.css

.banner-message {
  position: absolute;
  width: 280px;
  height: 40px;
  margin-left: 240px;
  margin-top: 5px;
  padding-top: 5px;
  font-weight: bold;
  background: red no-repeat;
  text-align: center;
}

woodpecker.js

// place/copy a minified version of jQuery or ZeptoJS here ...
!(function () {
  'use strict';
  function e() {} /*...*/
})();

$().ready(function () {
  $('.app nav img').first().htmlAfter("<div class='banner-message'>This is a demo banner message :)</div>");
});

All server configuration options

The following list describes all available server configuration options.

WOODPECKER_LOG_LEVEL

Default: empty

Configures the logging level. Possible values are trace, debug, info, warn, error, fatal, panic, disabled and empty.

WOODPECKER_LOG_FILE

Default: stderr

Output destination for logs. 'stdout' and 'stderr' can be used as special keywords.

WOODPECKER_LOG_XORM

Default: false

Enable XORM logs.

WOODPECKER_LOG_XORM_SQL

Default: false

Enable XORM SQL command logs.

WOODPECKER_DEBUG_PRETTY

Default: false

Enable pretty-printed debug output.

WOODPECKER_DEBUG_NOCOLOR

Default: true

Disable colored debug output.

WOODPECKER_HOST

Default: empty

Server fully qualified URL of the user-facing hostname, port (if not default for HTTP/HTTPS) and path prefix.

Examples:

  • WOODPECKER_HOST=http://woodpecker.example.org
  • WOODPECKER_HOST=http://example.org/woodpecker
  • WOODPECKER_HOST=http://example.org:1234/woodpecker

WOODPECKER_WEBHOOK_HOST

Default: value from WOODPECKER_HOST config env

Server fully qualified URL of the Webhook-facing hostname and path prefix.

Example: WOODPECKER_WEBHOOK_HOST=http://woodpecker-server.cicd.svc.cluster.local:8000

WOODPECKER_SERVER_ADDR

Default: :8000

Configures the HTTP listener port.

WOODPECKER_SERVER_ADDR_TLS

Default: :443

Configures the HTTPS listener port when SSL is enabled.

WOODPECKER_SERVER_CERT

Default: empty

Path to an SSL certificate used by the server to accept HTTPS requests.

Example: WOODPECKER_SERVER_CERT=/path/to/cert.pem

WOODPECKER_SERVER_KEY

Default: empty

Path to an SSL certificate key used by the server to accept HTTPS requests.

Example: WOODPECKER_SERVER_KEY=/path/to/key.pem

WOODPECKER_CUSTOM_CSS_FILE

Default: empty

File path for the server to serve a custom .CSS file, used for customizing the UI. Can be used for showing banner messages, logos, or environment-specific hints (a.k.a. white-labeling). The file must be UTF-8 encoded, to ensure all special characters are preserved.

Example: WOODPECKER_CUSTOM_CSS_FILE=/usr/local/www/woodpecker.css

WOODPECKER_CUSTOM_JS_FILE

Default: empty

File path for the server to serve a custom .JS file, used for customizing the UI. Can be used for showing banner messages, logos, or environment-specific hints (a.k.a. white-labeling). The file must be UTF-8 encoded, to ensure all special characters are preserved.

Example: WOODPECKER_CUSTOM_JS_FILE=/usr/local/www/woodpecker.js

WOODPECKER_LETS_ENCRYPT

Default: false

Automatically generates an SSL certificate using Let's Encrypt, and configures the server to accept HTTPS requests.

WOODPECKER_GRPC_ADDR

Default: :9000

Configures the gRPC listener port.

WOODPECKER_GRPC_SECRET

Default: secret

Configures the gRPC JWT secret.

WOODPECKER_GRPC_SECRET_FILE

Default: empty

Read the value for WOODPECKER_GRPC_SECRET from the specified filepath.

WOODPECKER_METRICS_SERVER_ADDR

Default: empty

Configures an unprotected metrics endpoint. An empty value disables the metrics endpoint completely.

Example: :9001

WOODPECKER_ADMIN

Default: empty

Comma-separated list of admin accounts.

Example: WOODPECKER_ADMIN=user1,user2

WOODPECKER_ORGS

Default: empty

Comma-separated list of approved organizations.

Example: org1,org2

WOODPECKER_REPO_OWNERS

Default: empty

Comma-separated list of syncable repo owners. ???

Example: user1,user2

WOODPECKER_OPEN

Default: false

Enable to allow user registration.

WOODPECKER_AUTHENTICATE_PUBLIC_REPOS

Default: false

Always use authentication to clone repositories even if they are public. Needed if the forge requires to always authenticate as used by many companies.

WOODPECKER_DEFAULT_CANCEL_PREVIOUS_PIPELINE_EVENTS

Default: pull_request, push

List of event names that will be canceled when a new pipeline for the same context (tag, branch) is created.

WOODPECKER_DEFAULT_CLONE_IMAGE

Default is defined in shared/constant/constant.go

The default docker image to be used when cloning the repo

WOODPECKER_DEFAULT_PIPELINE_TIMEOUT

60 (minutes)

The default time for a repo in minutes before a pipeline gets killed

WOODPECKER_MAX_PIPELINE_TIMEOUT

120 (minutes)

The maximum time in minutes you can set in the repo settings before a pipeline gets killed

WOODPECKER_SESSION_EXPIRES

Default: 72h

Configures the session expiration time. Context: when someone does log into Woodpecker, a temporary session token is created. As long as the session is valid (until it expires or log-out), a user can log into Woodpecker, without re-authentication.

WOODPECKER_ESCALATE

Defaults are defined in shared/constant/constant.go

Docker images to run in privileged mode. Only change if you are sure what you do!

WOODPECKER_DOCKER_CONFIG

Default: empty

Configures a specific private registry config for all pipelines.

Example: WOODPECKER_DOCKER_CONFIG=/home/user/.docker/config.json

WOODPECKER_AGENT_SECRET

Default: empty

A shared secret used by server and agents to authenticate communication. A secret can be generated by openssl rand -hex 32.

WOODPECKER_AGENT_SECRET_FILE

Default: empty

Read the value for WOODPECKER_AGENT_SECRET from the specified filepath

WOODPECKER_KEEPALIVE_MIN_TIME

Default: empty

Server-side enforcement policy on the minimum amount of time a client should wait before sending a keepalive ping.

Example: WOODPECKER_KEEPALIVE_MIN_TIME=10s

WOODPECKER_DATABASE_DRIVER

Default: sqlite3

The database driver name. Possible values are sqlite3, mysql or postgres.

WOODPECKER_DATABASE_DATASOURCE

Default: woodpecker.sqlite if not running inside a container, /var/lib/woodpecker/woodpecker.sqlite if running inside a container

The database connection string. The default value is the path of the embedded SQLite database file.

Example:

# MySQL
# https://github.com/go-sql-driver/mysql#dsn-data-source-name
WOODPECKER_DATABASE_DATASOURCE=root:password@tcp(1.2.3.4:3306)/woodpecker?parseTime=true

# PostgreSQL
# https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNSTRING
WOODPECKER_DATABASE_DATASOURCE=postgres://root:password@1.2.3.4:5432/woodpecker?sslmode=disable

WOODPECKER_DATABASE_DATASOURCE_FILE

Default: empty

Read the value for WOODPECKER_DATABASE_DATASOURCE from the specified filepath

WOODPECKER_PROMETHEUS_AUTH_TOKEN

Default: empty

Token to secure the Prometheus metrics endpoint. Must be set to enable the endpoint.

WOODPECKER_PROMETHEUS_AUTH_TOKEN_FILE

Default: empty

Read the value for WOODPECKER_PROMETHEUS_AUTH_TOKEN from the specified filepath

WOODPECKER_STATUS_CONTEXT

Default: ci/woodpecker

Context prefix Woodpecker will use to publish status messages to SCM. You probably will only need to change it if you run multiple Woodpecker instances for a single repository.

WOODPECKER_STATUS_CONTEXT_FORMAT

Default: {{ .context }}/{{ .event }}/{{ .workflow }}{{if not (eq .axis_id 0)}}/{{.axis_id}}{{end}}

Template for the status messages published to forges, uses Go templates as template language. Supported variables:

  • context: Woodpecker's context (see WOODPECKER_STATUS_CONTEXT)
  • event: the event which started the pipeline
  • workflow: the workflow's name
  • owner: the repo's owner
  • repo: the repo's name

WOODPECKER_LIMIT_MEM_SWAP

Default: 0

The maximum amount of memory a single pipeline container is allowed to swap to disk, configured in bytes. There is no limit if 0.

WOODPECKER_LIMIT_MEM

Default: 0

The maximum amount of memory a single pipeline container can use, configured in bytes. There is no limit if 0.

WOODPECKER_LIMIT_SHM_SIZE

Default: 0

The maximum amount of memory of /dev/shm allowed in bytes. There is no limit if 0.

WOODPECKER_LIMIT_CPU_QUOTA

Default: 0

The number of microseconds per CPU period that the container is limited to before throttled. There is no limit if 0.

WOODPECKER_LIMIT_CPU_SHARES

Default: 0

The relative weight vs. other containers.

WOODPECKER_LIMIT_CPU_SET

Default: empty

Comma-separated list to limit the specific CPUs or cores a pipeline container can use.

Example: WOODPECKER_LIMIT_CPU_SET=1,2

WOODPECKER_CONFIG_SERVICE_ENDPOINT

Default: empty

Specify a configuration service endpoint, see Configuration Extension

WOODPECKER_FORGE_TIMEOUT

Default: 3s

Specify timeout when fetching the Woodpecker configuration from forge. See https://pkg.go.dev/time#ParseDuration for syntax reference.

WOODPECKER_FORGE_RETRY

Default: 3

Specify how many retries of fetching the Woodpecker configuration from a forge are done before we fail.

WOODPECKER_ENABLE_SWAGGER

Default: true

Enable the Swagger UI for API documentation.

WOODPECKER_DISABLE_VERSION_CHECK

Default: false

Disable version check in admin web UI.

WOODPECKER_LOG_STORE

Default: database

Where to store logs. Possible values: database or file.

WOODPECKER_LOG_STORE_FILE_PATH

Default empty

Directory to store logs in if WOODPECKER_LOG_STORE is file.

WOODPECKER_GITHUB_...

See GitHub configuration

WOODPECKER_GITEA_...

See Gitea configuration

WOODPECKER_BITBUCKET_...

See Bitbucket configuration

WOODPECKER_GITLAB_...

See GitLab configuration

WOODPECKER_ADDON_FORGE

See addon forges.