forked from mirrors/gecko-dev
		
	Differential Revision: https://phabricator.services.mozilla.com/D28711 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			308 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			308 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import requests
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import redo
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import logging
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from taskgraph.util.scriptworker import BALROG_SCOPE_ALIAS_TO_PROJECT, BALROG_SERVER_SCOPES
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logger = logging.getLogger(__name__)
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PLATFORM_RENAMES = {
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    'windows2012-32': 'win32',
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    'windows2012-64': 'win64',
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    'windows2012-aarch64': 'win64-aarch64',
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    'osx-cross': 'macosx64',
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    'osx': 'macosx64',
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}
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BALROG_PLATFORM_MAP = {
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    "linux": [
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        "Linux_x86-gcc3"
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    ],
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    "linux32": [
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        "Linux_x86-gcc3"
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    ],
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    "linux64": [
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        "Linux_x86_64-gcc3"
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    ],
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    "linux64-asan-reporter": [
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        "Linux_x86_64-gcc3-asan"
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    ],
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    "macosx64": [
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        "Darwin_x86_64-gcc3-u-i386-x86_64",
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        "Darwin_x86-gcc3-u-i386-x86_64",
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        "Darwin_x86-gcc3",
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        "Darwin_x86_64-gcc3"
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    ],
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    "win32": [
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        "WINNT_x86-msvc",
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        "WINNT_x86-msvc-x86",
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        "WINNT_x86-msvc-x64"
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    ],
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    "win64": [
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        "WINNT_x86_64-msvc",
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        "WINNT_x86_64-msvc-x64"
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    ],
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    "win64-asan-reporter": [
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        "WINNT_x86_64-msvc-x64-asan"
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    ],
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    "win64-aarch64": [
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        "WINNT_aarch64-msvc-aarch64",
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    ],
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}
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FTP_PLATFORM_MAP = {
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    "Darwin_x86-gcc3": "mac",
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    "Darwin_x86-gcc3-u-i386-x86_64": "mac",
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    "Darwin_x86_64-gcc3": "mac",
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    "Darwin_x86_64-gcc3-u-i386-x86_64": "mac",
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    "Linux_x86-gcc3": "linux-i686",
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    "Linux_x86_64-gcc3": "linux-x86_64",
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    "Linux_x86_64-gcc3-asan": "linux-x86_64-asan-reporter",
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    "WINNT_x86_64-msvc-x64-asan": "win64-asan-reporter",
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    "WINNT_x86-msvc": "win32",
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    "WINNT_x86-msvc-x64": "win32",
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    "WINNT_x86-msvc-x86": "win32",
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    "WINNT_x86_64-msvc": "win64",
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    "WINNT_x86_64-msvc-x64": "win64",
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    "WINNT_aarch64-msvc-aarch64": "win64-aarch64",
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}
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def get_balrog_platform_name(platform):
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    """Convert build platform names into balrog platform names"""
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    if '-nightly' in platform:
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        platform = platform.replace('-nightly', '')
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    if '-devedition' in platform:
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        platform = platform.replace('-devedition', '')
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    if '-shippable' in platform:
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        platform = platform.replace('-shippable', '')
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    return PLATFORM_RENAMES.get(platform, platform)
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def _sanitize_platform(platform):
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    platform = get_balrog_platform_name(platform)
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    if platform not in BALROG_PLATFORM_MAP:
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        return platform
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    return BALROG_PLATFORM_MAP[platform][0]
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def get_builds(release_history, platform, locale):
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    """Examine cached balrog release history and return the list of
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    builds we need to generate diffs from"""
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    platform = _sanitize_platform(platform)
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    return release_history.get(platform, {}).get(locale, {})
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def get_partials_artifacts_from_params(release_history, platform, locale):
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    platform = _sanitize_platform(platform)
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    return [
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        (artifact, details.get('previousVersion', None))
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        for artifact, details in release_history.get(platform, {}).get(locale, {}).items()
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    ]
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def get_partials_info_from_params(release_history, platform, locale):
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    platform = _sanitize_platform(platform)
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    artifact_map = {}
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    for k in release_history.get(platform, {}).get(locale, {}):
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        details = release_history[platform][locale][k]
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        attributes = ('buildid',
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                      'previousBuildNumber',
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                      'previousVersion')
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        artifact_map[k] = {attr: details[attr] for attr in attributes
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                           if attr in details}
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    return artifact_map
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def _retry_on_http_errors(url, verify, params, errors):
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    if params:
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        params_str = "&".join("=".join([k, str(v)])
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                              for k, v in params.iteritems())
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    else:
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        params_str = ''
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    logger.info("Connecting to %s?%s", url, params_str)
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    for _ in redo.retrier(sleeptime=5, max_sleeptime=30, attempts=10):
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        try:
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            req = requests.get(url, verify=verify, params=params, timeout=4)
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            req.raise_for_status()
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            return req
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        except requests.HTTPError as e:
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            if e.response.status_code in errors:
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                logger.exception("Got HTTP %s trying to reach %s",
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                                 e.response.status_code, url)
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            else:
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                raise
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    else:
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        raise
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def get_sorted_releases(product, branch):
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    """Returns a list of release names from Balrog.
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    :param product: product name, AKA appName
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    :param branch: branch name, e.g. mozilla-central
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    :return: a sorted list of release names, most recent first.
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    """
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    url = "{}/releases".format(_get_balrog_api_root(branch))
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    params = {
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        "product": product,
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        # Adding -nightly-2 (2 stands for the beginning of build ID
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        # based on date) should filter out release and latest blobs.
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        # This should be changed to -nightly-3 in 3000 ;)
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        "name_prefix": "{}-{}-nightly-2".format(product, branch),
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        "names_only": True
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    }
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    req = _retry_on_http_errors(
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        url=url, verify=True, params=params,
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        errors=[500])
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    releases = req.json()["names"]
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    releases = sorted(releases, reverse=True)
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    return releases
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def get_release_builds(release, branch):
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    url = "{}/releases/{}".format(_get_balrog_api_root(branch), release)
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    req = _retry_on_http_errors(
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        url=url, verify=True, params=None,
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        errors=[500])
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    return req.json()
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def _get_balrog_api_root(branch):
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    # Query into the scopes scriptworker uses to make sure we check against the same balrog server
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    # That our jobs would use.
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    scope = None
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    for alias, projects in BALROG_SCOPE_ALIAS_TO_PROJECT:
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        if branch in projects and alias in BALROG_SERVER_SCOPES:
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            scope = BALROG_SERVER_SCOPES[alias]
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            break
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    else:
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        scope = BALROG_SERVER_SCOPES['default']
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    if scope == u'balrog:server:dep':
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        return 'https://stage.balrog.nonprod.cloudops.mozgcp.net/api/v1'
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    else:
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        return 'https://aus5.mozilla.org/api/v1'
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def find_localtest(fileUrls):
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    for channel in fileUrls:
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        if "-localtest" in channel:
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            return channel
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def populate_release_history(product, branch, maxbuilds=4, maxsearch=10,
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                             partial_updates=None):
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    # Assuming we are using release branches when we know the list of previous
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    # releases in advance
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    if partial_updates:
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        return _populate_release_history(
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            product, branch, partial_updates=partial_updates)
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    else:
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        return _populate_nightly_history(
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            product, branch, maxbuilds=maxbuilds, maxsearch=maxsearch)
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def _populate_nightly_history(product, branch, maxbuilds=4, maxsearch=10):
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    """Find relevant releases in Balrog
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    Not all releases have all platforms and locales, due
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    to Taskcluster migration.
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        Args:
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            product (str): capitalized product name, AKA appName, e.g. Firefox
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            branch (str): branch name (mozilla-central)
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            maxbuilds (int): Maximum number of historical releases to populate
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            maxsearch(int): Traverse at most this many releases, to avoid
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                working through the entire history.
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        Returns:
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            json object based on data from balrog api
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            results = {
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                'platform1': {
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                    'locale1': {
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                        'buildid1': mar_url,
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                        'buildid2': mar_url,
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                        'buildid3': mar_url,
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                    },
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                    'locale2': {
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                        'target.partial-1.mar': {'buildid1': 'mar_url'},
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                    }
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                },
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                'platform2': {
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                }
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            }
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        """
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    last_releases = get_sorted_releases(product, branch)
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    partial_mar_tmpl = 'target.partial-{}.mar'
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    builds = dict()
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    for release in last_releases[:maxsearch]:
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        # maxbuilds in all categories, don't make any more queries
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        full = len(builds) > 0 and all(
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            len(builds[platform][locale]) >= maxbuilds
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            for platform in builds for locale in builds[platform])
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        if full:
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            break
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        history = get_release_builds(release, branch)
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        for platform in history['platforms']:
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            if 'alias' in history['platforms'][platform]:
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                continue
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            if platform not in builds:
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                builds[platform] = dict()
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            for locale in history['platforms'][platform]['locales']:
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                if locale not in builds[platform]:
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                    builds[platform][locale] = dict()
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                if len(builds[platform][locale]) >= maxbuilds:
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                    continue
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                buildid = history['platforms'][platform]['locales'][locale]['buildID']
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                url = history['platforms'][platform]['locales'][locale]['completes'][0]['fileUrl']
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                nextkey = len(builds[platform][locale]) + 1
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                builds[platform][locale][partial_mar_tmpl.format(nextkey)] = {
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                    'buildid': buildid,
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                    'mar_url': url,
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                }
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    return builds
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def _populate_release_history(product, branch, partial_updates):
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    builds = dict()
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    for version, release in partial_updates.iteritems():
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        prev_release_blob = '{product}-{version}-build{build_number}'.format(
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            product=product, version=version, build_number=release['buildNumber']
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        )
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        partial_mar_key = 'target-{version}.partial.mar'.format(version=version)
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        history = get_release_builds(prev_release_blob, branch)
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        # use one of the localtest channels to avoid relying on bouncer
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        localtest = find_localtest(history['fileUrls'])
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        url_pattern = history['fileUrls'][localtest]['completes']['*']
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        for platform in history['platforms']:
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            if 'alias' in history['platforms'][platform]:
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                continue
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            if platform not in builds:
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                builds[platform] = dict()
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            for locale in history['platforms'][platform]['locales']:
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                if locale not in builds[platform]:
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                    builds[platform][locale] = dict()
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                buildid = history['platforms'][platform]['locales'][locale]['buildID']
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                url = url_pattern.replace(
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                    '%OS_FTP%', FTP_PLATFORM_MAP[platform]).replace(
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                    '%LOCALE%', locale
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                )
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                builds[platform][locale][partial_mar_key] = {
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                    'buildid': buildid,
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                    'mar_url': url,
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                    'previousVersion': version,
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                    'previousBuildNumber': release['buildNumber'],
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                    'product': product,
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                }
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    return builds
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