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persistentvolumeclaim

Modules are deprecated and will be removed in version 0.14. Please use action-based configuration instead. See the 0.12 to Bonsai migration guide for details.

Description

Creates a PersistentVolumeClaim in your namespace, that can be referenced and mounted by other resources and container modules.

See the PersistentVolumeClaim guide for more info and usage examples.

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.

persistentvolumeclaim 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.

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: 600

# 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 modules. This means that include/exclude filters
# and ignore files are not applied to local modules, except to calculate the module/action versions.
#
# If you use use `build.dependencies[].copy` for one or more build dependencies of this module, the copied files
# will be copied to the module source directory (instead of the build directory, as is the default case when
# `local = false`).
#
# Note: This maps to the `buildAtSource` option in this module's generated Build action (if any).
local: false

# 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/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/using-garden/configuration-overview#including-excluding-files-and-directories)
# for details.
#
# Unlike the `scan.exclude` field in the project config, the filters here have _no effect_ on which files and
# directories are watched for changes. Use the project `scan.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 via the publish command.
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
    # ConfigTemplate 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:

# List of services and tasks to deploy/run before deploying this PVC.
dependencies: []

# The namespace to deploy the PVC in. Note that any resources referencing the PVC must be in the same namespace, so in
# most cases you should leave this unset.
namespace:

# The spec for the PVC. This is passed directly to the created PersistentVolumeClaim resource. Note that the spec
# schema may include (or even require) additional fields, depending on the used `storageClass`. See the
# [PersistentVolumeClaim docs](https://kubernetes.io/docs/concepts/storage/persistent-volumes/#persistentvolumeclaims)
# for details.
spec:
  # AccessModes contains the desired access modes the volume should have. More info:
  # https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1
  accessModes:

  # TypedLocalObjectReference contains enough information to let you locate the typed referenced object inside the
  # same namespace.
  dataSource:
    # APIGroup is the group for the resource being referenced. If APIGroup is not specified, the specified Kind must
    # be in the core API group. For any other third-party types, APIGroup is required.
    apiGroup:

    # Kind is the type of resource being referenced
    kind:

    # Name is the name of resource being referenced
    name:

  # ResourceRequirements describes the compute resource requirements.
  resources:
    # Limits describes the maximum amount of compute resources allowed. More info:
    # https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
    limits:

    # Requests describes the minimum amount of compute resources required. If Requests is omitted for a container, it
    # defaults to Limits if that is explicitly specified, otherwise to an implementation-defined value. More info:
    # https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
    requests:

  # A label selector is a label query over a set of resources. The result of matchLabels and matchExpressions are
  # ANDed. An empty label selector matches all objects. A null label selector matches no objects.
  selector:
    # matchExpressions is a list of label selector requirements. The requirements are ANDed.
    matchExpressions:
      - # key is the label key that the selector applies to.
        key:

        # operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and
        # DoesNotExist.
        operator:

        # values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If
        # the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a
        # strategic merge patch.
        values:

    # matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an
    # element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only
    # "value". The requirements are ANDed.
    matchLabels:

  # Name of the StorageClass required by the claim. More info:
  # https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
  storageClassName:

  # volumeMode defines what type of volume is required by the claim. Value of Filesystem is implied when not included
  # in claim spec. This is a beta feature.
  volumeMode:

  # VolumeName is the binding reference to the PersistentVolume backing this claim.
  volumeName:

Configuration Keys

kind

TypeAllowed ValuesDefaultRequired

string

"Module"

"Module"

Yes

type

The type of this module.

TypeRequired

string

Yes

Example:

type: "container"

name

The name of this module.

TypeRequired

string

Yes

Example:

name: "my-sweet-module"

build

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

TypeDefaultRequired

object

{"dependencies":[]}

No

build.dependencies[]

build > dependencies

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

TypeDefaultRequired

array[object]

[]

No

Example:

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

build.dependencies[].name

build > dependencies > name

Module name to build ahead of this module.

TypeRequired

string

Yes

build.dependencies[].copy[]

build > dependencies > copy

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

TypeDefaultRequired

array[object]

[]

No

build.dependencies[].copy[].source

build > dependencies > copy > source

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

TypeRequired

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.

TypeRequired

posixPath

No

build.timeout

build > timeout

Maximum time in seconds to wait for build to finish.

TypeDefaultRequired

number

600

No

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 modules. This means that include/exclude filters and ignore files are not applied to local modules, except to calculate the module/action versions.

If you use use build.dependencies[].copy for one or more build dependencies of this module, the copied files will be copied to the module source directory (instead of the build directory, as is the default case when local = false).

Note: This maps to the buildAtSource option in this module's generated Build action (if any).

TypeDefaultRequired

boolean

false

No

description

A description of the module.

TypeRequired

string

No

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.

TypeDefaultRequired

boolean

false

No

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.

TypeRequired

array[posixPath]

No

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

TypeRequired

array[posixPath]

No

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.

TypeRequired

gitUrl | string

No

Example:

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

allowPublish

When false, disables pushing this module to remote registries via the publish command.

TypeDefaultRequired

boolean

true

No

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.

TypeDefaultRequired

array[object]

[]

No

generateFiles[].sourcePath

generateFiles > sourcePath

POSIX-style filename to read the source file contents from, relative to the path of the module (or the ConfigTemplate configuration file if one is being applied). This file may contain template strings, much like any other field in the configuration.

TypeRequired

posixPath

No

generateFiles[].targetPath

generateFiles > targetPath

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.

TypeRequired

posixPath

Yes

generateFiles[].resolveTemplates

generateFiles > resolveTemplates

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.

TypeDefaultRequired

boolean

true

No

generateFiles[].value

generateFiles > value

The desired file contents as a string.

TypeRequired

string

No

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.

TypeRequired

object

No

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).

TypeRequired

posixPath

No

Example:

varfile: "my-module.env"

dependencies[]

List of services and tasks to deploy/run before deploying this PVC.

TypeDefaultRequired

array[string]

[]

No

namespace

The namespace to deploy the PVC in. Note that any resources referencing the PVC must be in the same namespace, so in most cases you should leave this unset.

TypeRequired

string

No

spec

The spec for the PVC. This is passed directly to the created PersistentVolumeClaim resource. Note that the spec schema may include (or even require) additional fields, depending on the used storageClass. See the PersistentVolumeClaim docs for details.

TypeRequired

object

Yes

spec.accessModes[]

spec > accessModes

AccessModes contains the desired access modes the volume should have. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1

TypeRequired

array

No

spec.dataSource

spec > dataSource

TypedLocalObjectReference contains enough information to let you locate the typed referenced object inside the same namespace.

TypeRequired

object

No

spec.dataSource.apiGroup

spec > dataSource > apiGroup

APIGroup is the group for the resource being referenced. If APIGroup is not specified, the specified Kind must be in the core API group. For any other third-party types, APIGroup is required.

TypeRequired

string

No

spec.dataSource.kind

spec > dataSource > kind

Kind is the type of resource being referenced

TypeRequired

string

Yes

spec.dataSource.name

spec > dataSource > name

Name is the name of resource being referenced

TypeRequired

string

Yes

spec.resources

spec > resources

ResourceRequirements describes the compute resource requirements.

TypeRequired

object

No

spec.resources.limits

spec > resources > limits

Limits describes the maximum amount of compute resources allowed. More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

TypeRequired

object

No

spec.resources.requests

spec > resources > requests

Requests describes the minimum amount of compute resources required. If Requests is omitted for a container, it defaults to Limits if that is explicitly specified, otherwise to an implementation-defined value. More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

TypeRequired

object

No

spec.selector

spec > selector

A label selector is a label query over a set of resources. The result of matchLabels and matchExpressions are ANDed. An empty label selector matches all objects. A null label selector matches no objects.

TypeRequired

object

No

spec.selector.matchExpressions[]

spec > selector > matchExpressions

matchExpressions is a list of label selector requirements. The requirements are ANDed.

TypeRequired

array

No

spec.selector.matchExpressions[].key

spec > selector > matchExpressions > key

key is the label key that the selector applies to.

TypeRequired

string

No

spec.selector.matchExpressions[].operator

spec > selector > matchExpressions > operator

operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist.

TypeRequired

string

No

spec.selector.matchExpressions[].values[]

spec > selector > matchExpressions > values

values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.

TypeRequired

array

No

spec.selector.matchLabels

spec > selector > matchLabels

matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed.

TypeRequired

object

No

spec.storageClassName

spec > storageClassName

Name of the StorageClass required by the claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1

TypeRequired

string

No

spec.volumeMode

spec > volumeMode

volumeMode defines what type of volume is required by the claim. Value of Filesystem is implied when not included in claim spec. This is a beta feature.

TypeRequired

string

No

spec.volumeName

spec > volumeName

VolumeName is the binding reference to the PersistentVolume backing this claim.

TypeRequired

string

No

Outputs

Module Outputs

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

TypeDefault

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 persistentvolumeclaim 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 persistentvolumeclaim 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}
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