| :mod:`airflow.contrib.hooks.gcp_bigtable_hook` |
| ============================================== |
| |
| .. py:module:: airflow.contrib.hooks.gcp_bigtable_hook |
| |
| |
| Module Contents |
| --------------- |
| |
| .. py:class:: BigtableHook(gcp_conn_id='google_cloud_default', delegate_to=None) |
| |
| Bases: :class:`airflow.contrib.hooks.gcp_api_base_hook.GoogleCloudBaseHook` |
| |
| Hook for Google Cloud Bigtable APIs. |
| |
| All the methods in the hook where project_id is used must be called with |
| keyword arguments rather than positional. |
| |
| .. attribute:: _client |
| |
| |
| |
| |
| |
| .. method:: _get_client(self, project_id) |
| |
| |
| |
| |
| .. method:: get_instance(self, instance_id, project_id=None) |
| |
| Retrieves and returns the specified Cloud Bigtable instance if it exists. |
| Otherwise, returns None. |
| |
| :param instance_id: The ID of the Cloud Bigtable instance. |
| :type instance_id: str |
| :param project_id: Optional, Google Cloud Platform project ID where the |
| BigTable exists. If set to None or missing, |
| the default project_id from the GCP connection is used. |
| :type project_id: str |
| |
| |
| |
| |
| .. method:: delete_instance(self, instance_id, project_id=None) |
| |
| Deletes the specified Cloud Bigtable instance. |
| Raises google.api_core.exceptions.NotFound if the Cloud Bigtable instance does |
| not exist. |
| |
| :param project_id: Optional, Google Cloud Platform project ID where the |
| BigTable exists. If set to None or missing, |
| the default project_id from the GCP connection is used. |
| :type project_id: str |
| :param instance_id: The ID of the Cloud Bigtable instance. |
| :type instance_id: str |
| |
| |
| |
| |
| .. method:: create_instance(self, instance_id, main_cluster_id, main_cluster_zone, project_id=None, replica_cluster_id=None, replica_cluster_zone=None, instance_display_name=None, instance_type=enums.Instance.Type.TYPE_UNSPECIFIED, instance_labels=None, cluster_nodes=None, cluster_storage_type=enums.StorageType.STORAGE_TYPE_UNSPECIFIED, timeout=None) |
| |
| Creates new instance. |
| |
| :type instance_id: str |
| :param instance_id: The ID for the new instance. |
| :type main_cluster_id: str |
| :param main_cluster_id: The ID for main cluster for the new instance. |
| :type main_cluster_zone: str |
| :param main_cluster_zone: The zone for main cluster. |
| See https://cloud.google.com/bigtable/docs/locations for more details. |
| :type project_id: str |
| :param project_id: Optional, Google Cloud Platform project ID where the |
| BigTable exists. If set to None or missing, |
| the default project_id from the GCP connection is used. |
| :type replica_cluster_id: str |
| :param replica_cluster_id: (optional) The ID for replica cluster for the new |
| instance. |
| :type replica_cluster_zone: str |
| :param replica_cluster_zone: (optional) The zone for replica cluster. |
| :type instance_type: enums.Instance.Type |
| :param instance_type: (optional) The type of the instance. |
| :type instance_display_name: str |
| :param instance_display_name: (optional) Human-readable name of the instance. |
| Defaults to ``instance_id``. |
| :type instance_labels: dict |
| :param instance_labels: (optional) Dictionary of labels to associate with the |
| instance. |
| :type cluster_nodes: int |
| :param cluster_nodes: (optional) Number of nodes for cluster. |
| :type cluster_storage_type: enums.StorageType |
| :param cluster_storage_type: (optional) The type of storage. |
| :type timeout: int |
| :param timeout: (optional) timeout (in seconds) for instance creation. |
| If None is not specified, Operator will wait indefinitely. |
| |
| |
| |
| |
| .. staticmethod:: create_table(instance, table_id, initial_split_keys=None, column_families=None) |
| |
| Creates the specified Cloud Bigtable table. |
| Raises ``google.api_core.exceptions.AlreadyExists`` if the table exists. |
| |
| :type instance: Instance |
| :param instance: The Cloud Bigtable instance that owns the table. |
| :type table_id: str |
| :param table_id: The ID of the table to create in Cloud Bigtable. |
| :type initial_split_keys: list |
| :param initial_split_keys: (Optional) A list of row keys in bytes to use to |
| initially split the table. |
| :type column_families: dict |
| :param column_families: (Optional) A map of columns to create. The key is the |
| column_id str, and the value is a |
| :class:`google.cloud.bigtable.column_family.GarbageCollectionRule`. |
| |
| |
| |
| |
| .. method:: delete_table(self, instance_id, table_id, project_id=None) |
| |
| Deletes the specified table in Cloud Bigtable. |
| Raises google.api_core.exceptions.NotFound if the table does not exist. |
| |
| :type instance_id: str |
| :param instance_id: The ID of the Cloud Bigtable instance. |
| :type table_id: str |
| :param table_id: The ID of the table in Cloud Bigtable. |
| :type project_id: str |
| :param project_id: Optional, Google Cloud Platform project ID where the |
| BigTable exists. If set to None or missing, |
| the default project_id from the GCP connection is used. |
| |
| |
| |
| |
| .. staticmethod:: update_cluster(instance, cluster_id, nodes) |
| |
| Updates number of nodes in the specified Cloud Bigtable cluster. |
| Raises google.api_core.exceptions.NotFound if the cluster does not exist. |
| |
| :type instance: Instance |
| :param instance: The Cloud Bigtable instance that owns the cluster. |
| :type cluster_id: str |
| :param cluster_id: The ID of the cluster. |
| :type nodes: int |
| :param nodes: The desired number of nodes. |
| |
| |
| |
| |
| .. staticmethod:: get_column_families_for_table(instance, table_id) |
| |
| Fetches Column Families for the specified table in Cloud Bigtable. |
| |
| :type instance: Instance |
| :param instance: The Cloud Bigtable instance that owns the table. |
| :type table_id: str |
| :param table_id: The ID of the table in Cloud Bigtable to fetch Column Families |
| from. |
| |
| |
| |
| |
| .. staticmethod:: get_cluster_states_for_table(instance, table_id) |
| |
| Fetches Cluster States for the specified table in Cloud Bigtable. |
| Raises google.api_core.exceptions.NotFound if the table does not exist. |
| |
| :type instance: Instance |
| :param instance: The Cloud Bigtable instance that owns the table. |
| :type table_id: str |
| :param table_id: The ID of the table in Cloud Bigtable to fetch Cluster States |
| from. |
| |
| |
| |
| |