8.1.5.1.1. cobbler.settings.migrations package

8.1.5.1.1.1. Submodules

8.1.5.1.1.2. cobbler.settings.migrations.V2_8_5 module

Migration from V2.x.x to V2.8.5

cobbler.settings.migrations.V2_8_5.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V2.8.5 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V2_8_5.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V2_8_5.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.3. cobbler.settings.migrations.V3_0_0 module

Migration from V2.8.5 to V3.0.0

cobbler.settings.migrations.V3_0_0.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.0.0 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_0_0.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_0_0.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.4. cobbler.settings.migrations.V3_0_1 module

Migration from V3.0.0 to V3.0.1

cobbler.settings.migrations.V3_0_1.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.0.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_0_1.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_0_1.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.5. cobbler.settings.migrations.V3_1_0 module

Migration from V3.0.1 to V3.1.0

cobbler.settings.migrations.V3_1_0.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.1.0 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_1_0.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_1_0.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.6. cobbler.settings.migrations.V3_1_1 module

Migration from V3.1.0 to V3.1.1

cobbler.settings.migrations.V3_1_1.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.1.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_1_1.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_1_1.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.7. cobbler.settings.migrations.V3_1_2 module

Migration from V3.1.1 to V3.1.2

cobbler.settings.migrations.V3_1_2.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.1.2 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_1_2.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_1_2.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.8. cobbler.settings.migrations.V3_2_0 module

Migration from V3.1.2 to V3.2.0

cobbler.settings.migrations.V3_2_0.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.2.0 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_2_0.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_2_0.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.9. cobbler.settings.migrations.V3_2_1 module

Migration from V3.2.0 to V3.2.1

cobbler.settings.migrations.V3_2_1.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to the V3.2.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_2_1.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_2_1.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.10. cobbler.settings.migrations.V3_3_0 module

Migration from V3.2.1 to V3.3.0

cobbler.settings.migrations.V3_3_0.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to version V3.3.0 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_3_0.migrate_cobbler_collections(collections_dir: str) → None[source]

Manipulate the main Cobbler stored collections and migrate deprecated settings to work with newer Cobbler versions.

Parameters: collections_dir – The directory of Cobbler where the collections files are.

cobbler.settings.migrations.V3_3_0.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_3_0.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference V3.3.0 schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.11. cobbler.settings.migrations.V3_3_1 module

Migration from V3.3.0 to V3.3.1

cobbler.settings.migrations.V3_3_1.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to version V3.3.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_3_1.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_3_1.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference V3.3.1 schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.12. cobbler.settings.migrations.V3_3_2 module

Migration from V3.3.1 to V3.3.2

cobbler.settings.migrations.V3_3_2.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to version V3.3.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_3_2.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_3_2.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference V3.3.1 schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.13. cobbler.settings.migrations.V3_3_3 module

Migration from V3.3.2 to V3.3.3

cobbler.settings.migrations.V3_3_3.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to version V3.3.1 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_3_3.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_3_3.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference V3.3.1 schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.14. cobbler.settings.migrations.V3_4_0 module

Migration from V3.3.1 to V3.3.2

cobbler.settings.migrations.V3_4_0.migrate(settings: Dict[str, Any]) → Dict[str, Any][source]

Migration of the settings settings to version V3.4.0 settings

Parameters: settings – The settings dict to migrate
Returns: The migrated dict

cobbler.settings.migrations.V3_4_0.migrate_cobbler_collections(collections_dir: str) → None[source]

Manipulate the main Cobbler stored collections and migrate deprecated settings to work with newer Cobbler versions.

Parameters: collections_dir – The directory of Cobbler where the collections files are.

cobbler.settings.migrations.V3_4_0.normalize(settings: Dict[str, Any]) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters: settings – The settings dict to validate.
Returns: The validated dict.

cobbler.settings.migrations.V3_4_0.validate(settings: Dict[str, Any]) → bool[source]

Checks that a given settings dict is valid according to the reference V3.4.0 schema schema.

Parameters: settings – The settings dict to validate.
Returns: True if valid settings dict otherwise False.

8.1.5.1.1.15. cobbler.settings.migrations.helper module

Helper module which contains shared logic for adjusting the settings.

class cobbler.settings.migrations.helper.Setting(location: Union[str, List[str]], value: Any)[source]

Bases: object

Specifies a setting object

property key_name: str: Returns the location.

static split_str_location(location: str) → List[str][source]

Split the given location at “.” Necessary for nesting in our settings file

Parameters: location – Can be “manage.dhcp_v4” or “restart.dhcp_v4” for example.

cobbler.settings.migrations.helper.backup_dir(dir_path: str) → None[source]

Copies the directory tree and adds a suffix “.backup.XXXXXXXXX” to it.

Parameters: dir_path – The full path to the directory which should be backed up.
Raises: FileNotFoundError – In case the path specified was not existing.

cobbler.settings.migrations.helper.key_add(new: Setting, settings: Dict[str, Any]) → None[source]

Add a new settings key.

Parameters

new – The new setting to add.
settings – [description]

cobbler.settings.migrations.helper.key_delete(delete: str, settings: Dict[str, Any]) → None[source]

Deletes a given setting

Parameters

delete – The name of the setting to be deleted.
settings – The settings dict where the key should be deleted.

cobbler.settings.migrations.helper.key_drop_if_default(settings: Dict[str, Any], defaults: Dict[str, Any]) → Dict[str, Any][source]

Drop all keys which values are identical to the default ones.

Parameters

settings – The current settings read from an external source
defaults – The full settings with default values

cobbler.settings.migrations.helper.key_get(key: str, settings: Dict[str, Any]) → Setting[source]

Get a key from the settings

Parameters

key – The key to get in the form “a.b.c”
settings – The dict to operate on.

Returns

The desired key from the settings dict

cobbler.settings.migrations.helper.key_move(move: Setting, new_location: List[str], settings: Dict[str, Any]) → None[source]

Delete the old setting and create a new key at new_location

Parameters

move – The name of the old key which should be moved.
new_location – The location of the new key
settings – The dict to operate on.

cobbler.settings.migrations.helper.key_rename(old_name: Setting, new_name: str, settings: Dict[str, Any]) → None[source]

Wrapper for key_move()

Parameters

old_name – The old name
new_name – The new name
settings –

cobbler.settings.migrations.helper.key_set_value(new: Setting, settings: Dict[str, Any]) → None[source]

Change the value of a setting.

Parameters

new – A Settings object with the new information.
settings – The settings dict.

8.1.5.1.1.16. Module contents

The name of the migration file is the target version. One migration should update from version x to x + 1, where X is any Cobbler version and the migration updates to any next version (e.g. 3.2.1 to 3.3.0). The validation of the current version is in the file with the name of the version.

class cobbler.settings.migrations.CobblerVersion(major: int = 0, minor: int = 0, patch: int = 0)[source]

Bases: object

Specifies a Cobbler Version

cobbler.settings.migrations.auto_migrate(yaml_dict: Dict[str, Any], settings_path: Path, ignore_keys: Optional[List[str]] = None) → Dict[str, Any][source]

Auto migration to the most recent version.

Parameters

yaml_dict – The settings dict to migrate.
ignore_keys – The list of ignore keys to exclude from auto migration.
settings_path – The path of the settings dict.

Returns

The migrated dict.

cobbler.settings.migrations.discover_migrations(path: str = '/home/docs/checkouts/readthedocs.org/user_builds/cobbler/checkouts/latest/cobbler/settings/migrations') → None[source]

Discovers the migration module for each Cobbler version and loads it if it is valid according to certain conditions:

the module must contain the following methods: validate(), normalize(), migrate()
those version must have a certain signature

Parameters: path – The path of the migration modules, defaults to migrations_path

cobbler.settings.migrations.filter_settings_to_validate(settings: Dict[str, Any], ignore_keys: Optional[List[str]] = None) → Tuple[Dict[str, Any], Dict[str, Any]][source]

Separate settings to validate from the ones to exclude from validation according to “ignore_keys” parameter and “extra_settings_list” setting value.

Parameters

settings – The settings dict to validate.
ignore_keys – The list of ignore keys to exclude from validation.

Return data

The filtered settings to validate

Return data_to_exclude

The settings that were excluded from the validation

cobbler.settings.migrations.get_installed_version(filepath: Union[str, Path] = '/etc/cobbler/version') → CobblerVersion[source]

Retrieve the current Cobbler version. Normally it can be read from /etc/cobbler/version

Parameters: filepath – The filepath of the version file, defaults to “/etc/cobbler/version”

cobbler.settings.migrations.get_schema(version: CobblerVersion) → Schema[source]

Returns a schema to a given Cobbler version

Parameters: version – The Cobbler version object
Returns: The schema of the Cobbler version

cobbler.settings.migrations.get_settings_file_version(yaml_dict: Dict[str, Any], ignore_keys: Optional[List[str]] = None) → CobblerVersion[source]

Return the correspondig version of the given settings dict.

Parameters

yaml_dict – The settings dict to get the version from.
ignore_keys – The list of ignore keys to exclude from validation.

Returns

The discovered Cobbler Version or EMPTY_VERSION

cobbler.settings.migrations.migrate(yaml_dict: Dict[str, Any], settings_path: Path, old: CobblerVersion = CobblerVersion(major=0, minor=0, patch=0), new: CobblerVersion = CobblerVersion(major=0, minor=0, patch=0), ignore_keys: Optional[List[str]] = None) → Dict[str, Any][source]

Migration to a specific version. If no old and new version is supplied it will call auto_migrate().

Parameters

yaml_dict – The settings dict to migrate.
settings_path – The path of the settings dict.
old – The version to migrate from, defaults to EMPTY_VERSION.
new – The version to migrate to, defaults to EMPTY_VERSION.
ignore_keys – The list of settings ot be excluded from migration.

Raises

ValueError – Raised if attempting to downgraade.

Returns

The migrated dict.

cobbler.settings.migrations.normalize(settings: Dict[str, Any], ignore_keys: Optional[List[str]] = None) → Dict[str, Any][source]

If data in settings is valid the validated data is returned.

Parameters

settings – The settings dict to validate.
ignore_keys – The list of settings ot be excluded from normalization.

Returns

The validated dict.

cobbler.settings.migrations.validate(settings: Dict[str, Any], settings_path: Path, ignore_keys: Optional[List[str]] = None) → bool[source]

Wrapper function for the validate() methods of the individual migration modules.

Parameters

settings – The settings dict to validate.
settings_path – TODO: not used at the moment
ignore_keys – The list of settings ot be excluded from validation.

Returns

True if settings are valid, otherwise False.