airflow.contrib.hooks.qubole_hook

Qubole hook

Module Contents

airflow.contrib.hooks.qubole_hook.COMMAND_CLASSES[source]
airflow.contrib.hooks.qubole_hook.POSITIONAL_ARGS[source]
airflow.contrib.hooks.qubole_hook.flatten_list(list_of_lists)[source]
Flatten the list
airflow.contrib.hooks.qubole_hook.filter_options(options)[source]
Remove options from the list
airflow.contrib.hooks.qubole_hook.get_options_list(command_class)[source]
Get options list
airflow.contrib.hooks.qubole_hook.build_command_args()[source]
Build Command argument from command and options
class airflow.contrib.hooks.qubole_hook.QuboleHook(*args, **kwargs)[source]

Bases: airflow.hooks.base_hook.BaseHook

Hook for Qubole communication

static handle_failure_retry(context)[source]

Handle retries in case of failures

execute(self, context)[source]

Execute call

kill(self, ti)[source]

Kill (cancel) a Qubole command

Parameters

ti – Task Instance of the dag, used to determine the Quboles command id

Returns

response from Qubole

get_results(self, ti=None, fp=None, inline=True, delim=None, fetch=True)[source]

Get results (or just s3 locations) of a command from Qubole and save into a file

Parameters

  • ti – Task Instance of the dag, used to determine the Quboles command id

  • fp – Optional file pointer, will create one and return if None passed

  • inline – True to download actual results, False to get s3 locations only

  • delim – Replaces the CTL-A chars with the given delim, defaults to ‘,’

  • fetch – when inline is True, get results directly from s3 (if large)

Returns

file location containing actual results or s3 locations of results

get_log(self, ti)[source]

Get Logs of a command from Qubole

Parameters

ti – Task Instance of the dag, used to determine the Quboles command id

Returns

command log as text

get_jobs_id(self, ti)[source]

Get jobs associated with a Qubole commands

Parameters

ti – Task Instance of the dag, used to determine the Quboles command id

Returns

Job information associated with command

create_cmd_args(self, context)[source]

Creates command arguments

static _add_tags(tags, value)[source]

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