exec

Description

A simple module for executing commands in your shell. This can be a useful escape hatch if no other module type fits your needs, and you just need to execute something (as opposed to deploy it, track its status etc.).

By default, the exec module type executes the commands in the Garden build directory (under .garden/build/). By setting local: true, the commands are executed in the module source directory instead.

Note that Garden does not sync the source code for local exec modules into the Garden build directory. This means that include/exclude filters and ignore files are not applied to local exec modules, as the filtering is done during the sync.

Below is the full schema reference. For an introduction to configuring Garden modules, please look at our Configuration guide.

The first section contains the complete YAML schema, and the second section describes each schema key.

exec modules also export values that are available in template strings. See the Outputs section below for details.

Complete YAML Schema

The values in the schema below are the default values.

# The schema version of this config (currently not used).
apiVersion: garden.io/v0

kind: Module

# The type of this module.
type:

# The name of this module.
name:

# Specify how to build the module. Note that plugins may define additional keys on this object.
build:
  # A list of modules that must be built before this module is built.
  dependencies:
    - # Module name to build ahead of this module.
      name:

      # Specify one or more files or directories to copy from the built dependency to this module.
      copy:
        - # POSIX-style path or filename of the directory or file(s) to copy to the target.
          source:

          # POSIX-style path or filename to copy the directory or file(s), relative to the build directory.
          # Defaults to the same as source path.
          target:

  # Maximum time in seconds to wait for build to finish.
  timeout: 1200

  # The command to run to perform the build.
  #
  # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
  # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
  command: []

# A description of the module.
description:

# Set this to `true` to disable the module. You can use this with conditional template strings to disable modules
# based on, for example, the current environment or other variables (e.g. `disabled: ${environment.name == "prod"}`).
# This can be handy when you only need certain modules for specific environments, e.g. only for development.
#
# Disabling a module means that any services, tasks and tests contained in it will not be deployed or run. It also
# means that the module is not built _unless_ it is declared as a build dependency by another enabled module (in which
# case building this module is necessary for the dependant to be built).
#
# If you disable the module, and its services, tasks or tests are referenced as _runtime_ dependencies, Garden will
# automatically ignore those dependency declarations. Note however that template strings referencing the module's
# service or task outputs (i.e. runtime outputs) will fail to resolve when the module is disabled, so you need to make
# sure to provide alternate values for those if you're using them, using conditional expressions.
disabled: false

# Specify a list of POSIX-style paths or globs that should be regarded as the source files for this module. Files that
# do *not* match these paths or globs are excluded when computing the version of the module, when responding to
# filesystem watch events, and when staging builds.
#
# Note that you can also _exclude_ files using the `exclude` field or by placing `.gardenignore` files in your source
# tree, which use the same format as `.gitignore` files. See the [Configuration Files
# guide](https://docs.garden.io/v/acorn-0.12/using-garden/configuration-overview#including-excluding-files-and-directories)
# for details.
#
# Also note that specifying an empty list here means _no sources_ should be included.
include:

# Specify a list of POSIX-style paths or glob patterns that should be excluded from the module. Files that match these
# paths or globs are excluded when computing the version of the module, when responding to filesystem watch events,
# and when staging builds.
#
# Note that you can also explicitly _include_ files using the `include` field. If you also specify the `include`
# field, the files/patterns specified here are filtered from the files matched by `include`. See the [Configuration
# Files
# guide](https://docs.garden.io/v/acorn-0.12/using-garden/configuration-overview#including-excluding-files-and-directories)
# for details.
#
# Unlike the `modules.exclude` field in the project config, the filters here have _no effect_ on which files and
# directories are watched for changes. Use the project `modules.exclude` field to affect those, if you have large
# directories that should not be watched for changes.
exclude:

# A remote repository URL. Currently only supports git servers. Must contain a hash suffix pointing to a specific
# branch or tag, with the format: <git remote url>#<branch|tag>
#
# Garden will import the repository source code into this module, but read the module's config from the local
# garden.yml file.
repositoryUrl:

# When false, disables pushing this module to remote registries.
allowPublish: true

# A list of files to write to the module directory when resolving this module. This is useful to automatically
# generate (and template) any supporting files needed for the module.
generateFiles:
  - # POSIX-style filename to read the source file contents from, relative to the path of the module (or the
    # ModuleTemplate configuration file if one is being applied).
    # This file may contain template strings, much like any other field in the configuration.
    sourcePath:

    # POSIX-style filename to write the resolved file contents to, relative to the path of the module source directory
    # (for remote modules this means the root of the module repository, otherwise the directory of the module
    # configuration).
    #
    # Note that any existing file with the same name will be overwritten. If the path contains one or more
    # directories, they will be automatically created if missing.
    targetPath:

    # By default, Garden will attempt to resolve any Garden template strings in source files. Set this to false to
    # skip resolving template strings. Note that this does not apply when setting the `value` field, since that's
    # resolved earlier when parsing the configuration.
    resolveTemplates: true

    # The desired file contents as a string.
    value:

# A map of variables scoped to this particular module. These are resolved before any other parts of the module
# configuration and take precedence over project-scoped variables. They may reference project-scoped variables, and
# generally use any template strings normally allowed when resolving modules.
variables:

# Specify a path (relative to the module root) to a file containing variables, that we apply on top of the
# module-level `variables` field.
#
# The format of the files is determined by the configured file's extension:
#
# * `.env` - Standard "dotenv" format, as defined by [dotenv](https://github.com/motdotla/dotenv#rules).
# * `.yaml`/`.yml` - YAML. The file must consist of a YAML document, which must be a map (dictionary). Keys may
# contain any value type.
# * `.json` - JSON. Must contain a single JSON _object_ (not an array).
#
# _NOTE: The default varfile format will change to YAML in Garden v0.13, since YAML allows for definition of nested
# objects and arrays._
#
# To use different module-level varfiles in different environments, you can template in the environment name
# to the varfile name, e.g. `varfile: "my-module.${environment.name}.env` (this assumes that the corresponding
# varfiles exist).
varfile:

# If set to true, Garden will run the build command, services, tests, and tasks in the module source directory,
# instead of in the Garden build directory (under .garden/build/<module-name>).
#
# Garden will therefore not stage the build for local exec modules. This means that include/exclude filters
# and ignore files are not applied to local exec modules.
local: false

# Key/value map of environment variables. Keys must be valid POSIX environment variable names (must not start with
# `GARDEN`) and values must be primitives.
env: {}

# A list of services to deploy from this module.
services:
  - # Valid RFC1035/RFC1123 (DNS) label (may contain lowercase letters, numbers and dashes, must start with a letter,
    # and cannot end with a dash), cannot contain consecutive dashes or start with `garden`, or be longer than 63
    # characters.
    name:

    # The names of any services that this service depends on at runtime, and the names of any tasks that should be
    # executed before this service is deployed.
    dependencies: []

    # Set this to `true` to disable the service. You can use this with conditional template strings to enable/disable
    # services based on, for example, the current environment or other variables (e.g. `enabled: ${environment.name !=
    # "prod"}`). This can be handy when you only need certain services for specific environments, e.g. only for
    # development.
    #
    # Disabling a service means that it will not be deployed, and will also be ignored if it is declared as a runtime
    # dependency for another service, test or task.
    #
    # Note however that template strings referencing the service's outputs (i.e. runtime outputs) will fail to resolve
    # when the service is disabled, so you need to make sure to provide alternate values for those if you're using
    # them, using conditional expressions.
    disabled: false

    # The command to run to deploy the service.
    #
    # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
    # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
    deployCommand:

    # Optionally set a command to check the status of the service. If this is specified, it is run before the
    # `deployCommand`. If the command runs successfully and returns exit code of 0, the service is considered
    # already deployed and the `deployCommand` is not run.
    #
    # If this is not specified, the service is always reported as "unknown", so it's highly recommended to specify
    # this command if possible.
    #
    # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
    # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
    statusCommand:

    # Optionally set a command to clean the service up, e.g. when running `garden delete env`.
    #
    # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
    # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
    cleanupCommand:

    # The maximum duration (in seconds) to wait for a local script to exit.
    timeout:

    # Environment variables to set when running the deploy and status commands.
    env: {}

    devMode:
      # The command to run to deploy the service in dev mode. When in dev mode, Garden assumes that
      # the command starts a persistent process and does not wait for it return. The logs from the process
      # can be retrieved via the `garden logs` command as usual.
      #
      # If a `statusCommand` is set, Garden will wait until it returns a zero exit code before considering
      # the service ready. Otherwise it considers the service immediately ready.
      #
      # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
      # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
      command:

      # Optionally set a command to check the status of the service in dev mode. Garden will run the status command
      # at an interval until it returns a zero exit code or times out.
      #
      # If no `statusCommand` is set, Garden will consider the service ready as soon as it has started the process.
      #
      # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
      # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
      statusCommand:

      # The maximum duration (in seconds) to wait for a for the `statusCommand` to return a zero
      # exit code. Ignored if no `statusCommand` is set.
      timeout: 10

# A list of tasks that can be run in this module.
tasks:
  - # The name of the task.
    name:

    # A description of the task.
    description:

    # The names of any tasks that must be executed, and the names of any services that must be running, before this
    # task is executed.
    dependencies: []

    # Set this to `true` to disable the task. You can use this with conditional template strings to enable/disable
    # tasks based on, for example, the current environment or other variables (e.g. `enabled: ${environment.name !=
    # "prod"}`). This can be handy when you only want certain tasks to run in specific environments, e.g. only for
    # development.
    #
    # Disabling a task means that it will not be run, and will also be ignored if it is declared as a runtime
    # dependency for another service, test or task.
    #
    # Note however that template strings referencing the task's outputs (i.e. runtime outputs) will fail to resolve
    # when the task is disabled, so you need to make sure to provide alternate values for those if you're using them,
    # using conditional expressions.
    disabled: false

    # Maximum duration (in seconds) of the task's execution.
    timeout: null

    # A list of artifacts to copy after the task run.
    artifacts:
      - # A POSIX-style path or glob to copy, relative to the build root.
        source:

        # A POSIX-style path to copy the artifacts to, relative to the project artifacts directory at
        # `.garden/artifacts`.
        target: .

    # The command to run.
    #
    # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
    # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
    command:

    # Environment variables to set when running the command.
    env: {}

# A list of tests to run in the module.
tests:
  - # The name of the test.
    name:

    # The names of any services that must be running, and the names of any tasks that must be executed, before the
    # test is run.
    dependencies: []

    # Set this to `true` to disable the test. You can use this with conditional template strings to
    # enable/disable tests based on, for example, the current environment or other variables (e.g.
    # `enabled: ${environment.name != "prod"}`). This is handy when you only want certain tests to run in
    # specific environments, e.g. only during CI.
    disabled: false

    # Maximum duration (in seconds) of the test run.
    timeout: null

    # The command to run to test the module.
    #
    # By default, the command is run inside the Garden build directory (under .garden/build/<module-name>).
    # If the top level `local` directive is set to `true`, the command runs in the module source directory instead.
    command:

    # Environment variables to set when running the command.
    env: {}

    # A list of artifacts to copy after the test run.
    artifacts:
      - # A POSIX-style path or glob to copy, relative to the build root.
        source:

        # A POSIX-style path to copy the artifacts to, relative to the project artifacts directory at
        # `.garden/artifacts`.
        target: .

Configuration Keys

`apiVersion`

The schema version of this config (currently not used).

Type

Allowed Values

Default

Required

string

"garden.io/v0"

"garden.io/v0"

Yes

`kind`

Type

Allowed Values

Default

Required

string

"Module"

"Module"

Yes

`type`

The type of this module.

Type

Required

string

Yes

Example:

type: "container"

`name`

The name of this module.

Type

Required

string

Yes

Example:

name: "my-sweet-module"

`build`

Specify how to build the module. Note that plugins may define additional keys on this object.

Type

Default

Required

object

{"dependencies":[]}

`build.dependencies[]`

build > dependencies

A list of modules that must be built before this module is built.

Type

Default

Required

array[object]

[]

Example:

build:
  ...
  dependencies:
    - name: some-other-module-name

`build.dependencies[].name`

build > dependencies > name

Module name to build ahead of this module.

Type

Required

string

Yes

`build.dependencies[].copy[]`

build > dependencies > copy

Specify one or more files or directories to copy from the built dependency to this module.

Type

Default

Required

array[object]

[]

`build.dependencies[].copy[].source`

build > dependencies > copy > source

POSIX-style path or filename of the directory or file(s) to copy to the target.

Type

Required

posixPath

Yes

`build.dependencies[].copy[].target`

build > dependencies > copy > target

POSIX-style path or filename to copy the directory or file(s), relative to the build directory. Defaults to the same as source path.

Type

Required

posixPath

`build.timeout`

build > timeout

Maximum time in seconds to wait for build to finish.

Type

Default

Required

number

1200

`build.command[]`

build > command

The command to run to perform the build.

By default, the command is run inside the Garden build directory (under .garden/build/). If the top level local directive is set to true, the command runs in the module source directory instead.

Type

Default

Required

array[string]

[]

Example:

build:
  ...
  command:
    - npm
    - run
    - build

`description`

A description of the module.

Type

Required

string

`disabled`

Set this to true to disable the module. You can use this with conditional template strings to disable modules based on, for example, the current environment or other variables (e.g. disabled: ${environment.name == "prod"}). This can be handy when you only need certain modules for specific environments, e.g. only for development.

Disabling a module means that any services, tasks and tests contained in it will not be deployed or run. It also means that the module is not built unless it is declared as a build dependency by another enabled module (in which case building this module is necessary for the dependant to be built).

If you disable the module, and its services, tasks or tests are referenced as runtime dependencies, Garden will automatically ignore those dependency declarations. Note however that template strings referencing the module's service or task outputs (i.e. runtime outputs) will fail to resolve when the module is disabled, so you need to make sure to provide alternate values for those if you're using them, using conditional expressions.

Type

Default

Required

boolean

false

`include[]`

Specify a list of POSIX-style paths or globs that should be regarded as the source files for this module. Files that do not match these paths or globs are excluded when computing the version of the module, when responding to filesystem watch events, and when staging builds.

Note that you can also exclude files using the exclude field or by placing .gardenignore files in your source tree, which use the same format as .gitignore files. See the Configuration Files guide for details.

Also note that specifying an empty list here means no sources should be included.

Type

Required

array[posixPath]

Example:

include:
  - Dockerfile
  - my-app.js

`exclude[]`

Specify a list of POSIX-style paths or glob patterns that should be excluded from the module. Files that match these paths or globs are excluded when computing the version of the module, when responding to filesystem watch events, and when staging builds.

Note that you can also explicitly include files using the include field. If you also specify the include field, the files/patterns specified here are filtered from the files matched by include. See the Configuration Files guide for details.

Unlike the modules.exclude field in the project config, the filters here have no effect on which files and directories are watched for changes. Use the project modules.exclude field to affect those, if you have large directories that should not be watched for changes.

Type

Required

array[posixPath]

Example:

exclude:
  - tmp/**/*
  - '*.log'

`repositoryUrl`

A remote repository URL. Currently only supports git servers. Must contain a hash suffix pointing to a specific branch or tag, with the format: #<branch|tag>

Garden will import the repository source code into this module, but read the module's config from the local garden.yml file.

Type

Required

gitUrl | string

Example:

repositoryUrl: "git+https://github.com/org/repo.git#v2.0"

`allowPublish`

When false, disables pushing this module to remote registries.

Type

Default

Required

boolean

true

`generateFiles[]`

A list of files to write to the module directory when resolving this module. This is useful to automatically generate (and template) any supporting files needed for the module.

Type

Default

Required

array[object]

generateFiles > value

The desired file contents as a string.

Type

Required

string

`variables`

A map of variables scoped to this particular module. These are resolved before any other parts of the module configuration and take precedence over project-scoped variables. They may reference project-scoped variables, and generally use any template strings normally allowed when resolving modules.

Type

Required

object

`varfile`

Specify a path (relative to the module root) to a file containing variables, that we apply on top of the module-level variables field.

The format of the files is determined by the configured file's extension:

.env - Standard "dotenv" format, as defined by dotenv.
.yaml/.yml - YAML. The file must consist of a YAML document, which must be a map (dictionary). Keys may contain any value type.
.json - JSON. Must contain a single JSON object (not an array).

NOTE: The default varfile format will change to YAML in Garden v0.13, since YAML allows for definition of nested objects and arrays.

To use different module-level varfiles in different environments, you can template in the environment name to the varfile name, e.g. varfile: "my-module.${environment.name}.env (this assumes that the corresponding varfiles exist).

Type

Required

posixPath

Example:

varfile: "my-module.env"

`local`

If set to true, Garden will run the build command, services, tests, and tasks in the module source directory, instead of in the Garden build directory (under .garden/build/).

Garden will therefore not stage the build for local exec modules. This means that include/exclude filters and ignore files are not applied to local exec modules.

Type

Default

Required

boolean

false

`env`

Key/value map of environment variables. Keys must be valid POSIX environment variable names (must not start with GARDEN) and values must be primitives.

Type

Default

Required

object

{}

`services[]`

A list of services to deploy from this module.

Type

Default

Required

array[object]

[]

`services[].name`

services > name

Valid RFC1035/RFC1123 (DNS) label (may contain lowercase letters, numbers and dashes, must start with a letter, and cannot end with a dash), cannot contain consecutive dashes or start with garden, or be longer than 63 characters.

Type

Required

string

Yes

`services[].dependencies[]`

services > dependencies

The names of any services that this service depends on at runtime, and the names of any tasks that should be executed before this service is deployed.

Type

Default

Required

array[string]

[]

`services[].disabled`

services > disabled

Set this to true to disable the service. You can use this with conditional template strings to enable/disable services based on, for example, the current environment or other variables (e.g. enabled: ${environment.name != "prod"}). This can be handy when you only need certain services for specific environments, e.g. only for development.

Disabling a service means that it will not be deployed, and will also be ignored if it is declared as a runtime dependency for another service, test or task.

Note however that template strings referencing the service's outputs (i.e. runtime outputs) will fail to resolve when the service is disabled, so you need to make sure to provide alternate values for those if you're using them, using conditional expressions.

Type

Default

Required

boolean

false

`services[].deployCommand[]`

services > deployCommand

The command to run to deploy the service.

By default, the command is run inside the Garden build directory (under .garden/build/). If the top level local directive is set to true, the command runs in the module source directory instead.

Type

Required

array[string]

Yes

`services[].statusCommand[]`

services > statusCommand

Optionally set a command to check the status of the service. If this is specified, it is run before the deployCommand. If the command runs successfully and returns exit code of 0, the service is considered already deployed and the deployCommand is not run.

If this is not specified, the service is always reported as "unknown", so it's highly recommended to specify this command if possible.

By default, the command is run inside the Garden build directory (under .garden/build/). If the top level local directive is set to true, the command runs in the module source directory instead.

Type

Required

array[string]

`services[].cleanupCommand[]`

services > cleanupCommand

Optionally set a command to clean the service up, e.g. when running garden delete env.

By default, the command is run inside the Garden build directory (under .garden/build/). If the top level local directive is set to true, the command runs in the module source directory instead.

Type

Required

array[string]

`services[].timeout`

services > timeout

The maximum duration (in seconds) to wait for a local script to exit.

Type

Required

number

`services[].env`

services > env

Environment variables to set when running the deploy and status commands.

Type

Default

Required

A list of tasks that can be run in this module.

Type

Default

Required

array[object]

[]

`tasks[].name`

tasks > name

The name of the task.

Type

Required

string

Yes

`tasks[].description`

tasks > description

A description of the task.

Type

Required

string

`tasks[].dependencies[]`

tasks > dependencies

The names of any tasks that must be executed, and the names of any services that must be running, before this task is executed.

Type

Default

Required

array[string]

[]

`tasks[].disabled`

tasks > disabled

Set this to true to disable the task. You can use this with conditional template strings to enable/disable tasks based on, for example, the current environment or other variables (e.g. enabled: ${environment.name != "prod"}). This can be handy when you only want certain tasks to run in specific environments, e.g. only for development.

Disabling a task means that it will not be run, and will also be ignored if it is declared as a runtime dependency for another service, test or task.

Note however that template strings referencing the task's outputs (i.e. runtime outputs) will fail to resolve when the task is disabled, so you need to make sure to provide alternate values for those if you're using them, using conditional expressions.

Type

Default

Required

boolean

false

`tasks[].timeout`

tasks > timeout

Maximum duration (in seconds) of the task's execution.

Type

Default

Required

number

null

`tasks[].artifacts[]`

tasks > artifacts

A list of artifacts to copy after the task run.

Type

Default

Required

array[object]

[]

A list of tests to run in the module.

Type

Default

Required

array[object]

[]

tests > artifacts > source

A POSIX-style path or glob to copy, relative to the build root.

Type

Required

posixPath

Yes

`tests[].artifacts[].target`

tests > artifacts > target

A POSIX-style path to copy the artifacts to, relative to the project artifacts directory at .garden/artifacts.

Type

Default

Required

posixPath

"."

Outputs

Module Outputs

The following keys are available via the ${modules.<module-name>} template string key for exec modules.

`${modules.<module-name>.buildPath}`

The build path of the module.

Type

string

Example:

my-variable: ${modules.my-module.buildPath}

`${modules.<module-name>.name}`

The name of the module.

Type

string

`${modules.<module-name>.path}`

The local path of the module.

Type

string

Example:

my-variable: ${modules.my-module.path}

`${modules.<module-name>.var.*}`

A map of all variables defined in the module.

Type

Default

object

{}

`${modules.<module-name>.var.<variable-name>}`

Type

string | number | boolean | link | array[link]

`${modules.<module-name>.version}`

The current version of the module.

Type

string

Example:

my-variable: ${modules.my-module.version}

Service Outputs

The following keys are available via the ${runtime.services.<service-name>} template string key for exec module services. Note that these are only resolved when deploying/running dependants of the service, so they are not usable for every field.

`${runtime.services.<service-name>.version}`

The current version of the service.

Type

string

Example:

my-variable: ${runtime.services.my-service.version}

Task Outputs

The following keys are available via the ${runtime.tasks.<task-name>} template string key for exec module tasks. Note that these are only resolved when deploying/running dependants of the task, so they are not usable for every field.

`${runtime.tasks.<task-name>.version}`

The current version of the task.

Type

string

Example:

my-variable: ${runtime.tasks.my-tasks.version}

`${runtime.tasks.<task-name>.outputs.log}`

The full log from the executed task. (Pro-tip: Make it machine readable so it can be parsed by dependant tasks and services!)

Type

Default

string

""

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