Hydra

`services.hydra.buildMachinesFiles`

List of files containing build machines. Type: list of path

Default

optional (config.nix.buildMachines != []) "/etc/nix/machines"

Example

["/etc/nix/machines""/var/lib/hydra/provisioner/machines"]

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.dbi`

The DBI string for Hydra database connection.

NOTE: Attempts to set application_name will be overridden by hydra-TYPE (where TYPE is e.g. evaluator, queue-runner, etc.) in all hydra services to more easily distinguish where queries are coming from.

Type: string

Default

"dbi:Pg:dbname=hydra;user=hydra;"

Example

"dbi:Pg:dbname=hydra;host=postgres.example.org;user=foo;"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.debugServer`

Whether to run the server in debug mode. Type: boolean

Default

false

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.enable`

Whether to run Hydra services.

Type: boolean

Default

false

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.extraConfig`

Extra lines for the Hydra configuration. Type: strings concatenated with "\n"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.extraEnv`

Extra environment variables for Hydra. Type: attribute set of string

Default

{ }

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.gcRootsDir`

Directory that holds Hydra garbage collector roots. Type: path

Default

"/nix/var/nix/gcroots/hydra"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.hydraURL`

The base URL for the Hydra webserver instance. Used for links in emails.

Type: string

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.listenHost`

The hostname or address to listen on or * to listen on all interfaces.

Type: string

Default

"*"

Example

"localhost"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.logo`

Path to a file containing the logo of your Hydra instance.

Type: null or path

Default

null

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.maxServers`

Maximum number of starman workers to spawn. Type: signed integer

Default

25

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.maxSpareServers`

Maximum number of spare starman workers to keep. Type: signed integer

Default

5

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.minSpareServers`

Minimum number of spare starman workers to keep. Type: signed integer

Default

4

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.minimumDiskFree`

Threshold of minimum disk space (GiB) to determine if the queue runner should run or not.

Type: signed integer

Default

0

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.minimumDiskFreeEvaluator`

Threshold of minimum disk space (GiB) to determine if the evaluator should run or not.

Type: signed integer

Default

0

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.notificationSender`

Sender email address used for email notifications.

Type: string

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.package`

The hydra_unstable package to use. Type: package

Default

pkgs.hydra_unstable

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.port`

TCP port the web server should listen to.

Type: 16 bit unsigned integer; between 0 and 65535 (both inclusive)

Default

3000

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.smtpHost`

Hostname of the SMTP server to use to send email.

Type: null or string

Default

null

Example

"localhost"

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.tracker`

Piece of HTML that is included on all pages.

Type: string

Default

""

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix

`services.hydra.useSubstitutes`

Whether to use binary caches for downloading store paths. Note that binary substitutions trigger (a potentially large number of) additional HTTP requests that slow down the queue monitor thread significantly. Also, this Hydra instance will serve those downloaded store paths to its users with its own signature attached as if it had built them itself, so don't enable this feature unless your active binary caches are absolute trustworthy.

Type: boolean

Default

false

Declared by: https://github.com/nixos/nixpkgs/blob/master/nixos/modules/services/continuous-integration/hydra/default.nix