# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Support for running hazard jobs via dedicated scripts
"""

from __future__ import absolute_import, print_function, unicode_literals

from voluptuous import Schema, Required, Optional, Any

from taskgraph.transforms.job import run_job_using
from taskgraph.transforms.job.common import (
    docker_worker_add_workspace_cache,
    docker_worker_setup_secrets,
    docker_worker_add_public_artifacts,
    docker_worker_support_vcs_checkout,
)

haz_run_schema = Schema({
    Required('using'): 'hazard',

    # The command to run within the task image (passed through to the worker)
    Required('command'): basestring,

    # The tooltool manifest to use; default in the script is used if omitted
    Optional('tooltool-manifest'): basestring,

    # The mozconfig to use; default in the script is used if omitted
    Optional('mozconfig'): basestring,

    # The set of secret names to which the task has access; these are prefixed
    # with `project/releng/gecko/{treeherder.kind}/level-{level}/`.   Setting
    # this will enable any worker features required and set the task's scopes
    # appropriately.  `true` here means ['*'], all secrets.  Not supported on
    # Windows
    Required('secrets', default=False): Any(bool, [basestring]),
})


@run_job_using("docker-worker", "hazard", schema=haz_run_schema)
def docker_worker_hazard(config, job, taskdesc):
    run = job['run']

    worker = taskdesc['worker']
    worker['artifacts'] = []
    worker['caches'] = []

    docker_worker_add_public_artifacts(config, job, taskdesc)
    docker_worker_add_workspace_cache(config, job, taskdesc)
    docker_worker_setup_secrets(config, job, taskdesc)
    docker_worker_support_vcs_checkout(config, job, taskdesc)

    env = worker['env']
    env.update({
        'MOZ_BUILD_DATE': config.params['moz_build_date'],
        'MOZ_SCM_LEVEL': config.params['level'],
    })

    # script parameters
    if run.get('tooltool-manifest'):
        env['TOOLTOOL_MANIFEST'] = run['tooltool-manifest']
    if run.get('mozconfig'):
        env['MOZCONFIG'] = run['mozconfig']

    # tooltool downloads
    worker['caches'].append({
        'type': 'persistent',
        'name': 'tooltool-cache',
        'mount-point': '/home/worker/tooltool-cache',
    })
    worker['relengapi-proxy'] = True
    taskdesc['scopes'].extend([
        'docker-worker:relengapi-proxy:tooltool.download.public',
    ])
    env['TOOLTOOL_CACHE'] = '/home/worker/tooltool-cache'
    env['TOOLTOOL_REPO'] = 'https://github.com/mozilla/build-tooltool'
    env['TOOLTOOL_REV'] = 'master'

    # build-haz-linux.sh needs this otherwise it assumes the checkout is in
    # the workspace.
    env['GECKO_DIR'] = '/home/worker/checkouts/gecko'

    worker['command'] = [
        '/home/worker/bin/run-task',
        '--chown-recursive', '/home/worker/tooltool-cache',
        '--chown-recursive', '/home/worker/workspace',
        '--vcs-checkout', '/home/worker/checkouts/gecko',
        '--',
        '/bin/bash', '-c', run['command']
    ]
