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# Copyright (C) 2014-2015 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-2 =*=
import app
from cache import get_cache, get_metadata, get_metafile
import os
import glob
import re
import assembly
import yaml
import utils
from collections import OrderedDict
from fs.osfs import OSFS
def install_stratum_artifacts(defs, component, stratum, artifacts):
'''Create the .meta files for a split stratum
Given a stratum and a list of artifacts to split, writes new .meta files to
the baserock dir in the 'sandbox' dir of the component and copies the files
from the .unpacked directory of each individual chunk to the sandbox
'''
if os.path.exists(os.path.join(component['sandbox'], 'baserock',
stratum['name'] + '.meta')):
return
stratum_metadata = get_metadata(defs, stratum['path'])
split_stratum_metadata = {}
split_stratum_metadata['products'] = []
components = []
for product in stratum_metadata['products']:
for artifact in artifacts:
if artifact == product['artifact']:
components += product['components']
split_stratum_metadata['products'].append(product)
if app.config.get('log-verbose'):
app.log(component, 'Installing artifacts: ' + str(artifacts)
+ ' components: ' + str(components))
baserockpath = os.path.join(component['sandbox'], 'baserock')
if not os.path.isdir(baserockpath):
os.mkdir(baserockpath)
split_stratum_metafile = os.path.join(baserockpath,
stratum['name'] + '.meta')
with open(split_stratum_metafile, "w") as f:
yaml.safe_dump(split_stratum_metadata, f, default_flow_style=False)
for path in stratum['contents']:
chunk = defs.get(path)
if chunk.get('build-mode', 'staging') == 'bootstrap':
continue
metafile = os.path.join(get_cache(defs, chunk) + '.unpacked',
'baserock', chunk['name'] + '.meta')
try:
with open(metafile, "r") as f:
filelist = []
metadata = yaml.safe_load(f)
split_metadata = {'ref': metadata['ref'],
'repo': metadata['repo'],
'products': []}
for element in metadata['products']:
if element['artifact'] in components:
filelist += element.get('files', [])
split_metadata['products'].append(element)
if split_metadata['products'] != []:
split_metafile = os.path.join(baserockpath,
os.path.basename(metafile))
with open(split_metafile, "w") as f:
yaml.safe_dump(split_metadata, f,
default_flow_style=False)
cachepath, cachedir = os.path.split(get_cache(defs, chunk))
path = os.path.join(cachepath, cachedir + '.unpacked')
utils.copy_file_list(path, component['sandbox'], filelist)
except:
app.log(stratum, 'WARNING: problem loading ', metafile)
def check_overlaps(defs, component):
if set(app.config['new-overlaps']) <= set(app.config['overlaps']):
app.config['new-overlaps'] = []
return
app.config['overlaps'] = list(set(app.config['new-overlaps'] +
app.config['overlaps']))
app.config['new-overlaps'] = list(set(app.config['new-overlaps']))
for path in app.config['new-overlaps']:
app.log(component, 'WARNING: Overlapping file: ', path)
app.config['new-overlaps'] = []
def write_metadata(defs, component):
check_overlaps(defs, component)
kind = component.get('kind', 'chunk')
if kind == 'chunk':
write_chunk_metafile(defs, component)
elif kind == 'stratum':
write_stratum_metafiles(defs, component)
def write_chunk_metafile(defs, chunk):
'''Writes a chunk .meta file to the baserock dir of the chunk
The split rules are used to divide up the installed files for the chunk
into artifacts in the 'products' list
'''
app.log(chunk['name'], 'splitting chunk')
metafile = os.path.join(chunk['baserockdir'], chunk['name'] + '.meta')
install_dir = chunk['install']
# Use both the chunk specific rules and the default rules
split_rules = chunk.get('products', [])
default_rules = defs.defaults.get_chunk_split_rules()
rules = split_rules + default_rules
# Compile the regexps
match_rules = OrderedDict(
(r.get('artifact'), r.get('include')) for r in rules)
regexps = OrderedDict(
(chunk['name'] + a if a.startswith('-') else a,
re.compile('^(?:%s)$' % '|'.join(r)))
for a, r in match_rules.iteritems())
splits = { a : [] for a in regexps.keys() }
fs = OSFS(install_dir)
files = fs.walkfiles('.', search='depth')
dirs = fs.walkdirs('.', search='depth')
for path in files:
for artifact, rule in regexps.iteritems():
if rule.match(path):
splits[artifact].append(path)
break
all_files = [a for x in splits.values() for a in x]
for path in dirs:
if not any(map(lambda y: y.startswith(path), all_files)) and path != '':
for artifact, rule in regexps.iteritems():
if rule.match(path) or rule.match(path + '/'):
splits[artifact].append(path)
break
unique_artifacts = sorted(set([a for a, r in regexps.iteritems()]))
metadata = {'repo': chunk.get('repo'),
'ref': chunk.get('ref'),
'products': [{'artifact': a, 'files': sorted(splits[a])}
for a in unique_artifacts]}
with app.chdir(chunk['install']), open(metafile, "w") as f:
yaml.safe_dump(metadata, f, default_flow_style=False)
def write_stratum_metafiles(defs, stratum):
'''Write the .meta files for a stratum to the baserock dir
The split rules are used to divide up the installed components into
artifacts in the 'products' list in the stratum .meta file. Each artifact
contains a list of chunk artifacts which match the stratum splitting rules
'''
# Use both the stratum-specific rules and the default rules
app.log(stratum['name'], 'splitting stratum')
split_rules = stratum.get('products', [])
default_rules = defs.defaults.get_stratum_split_rules()
rules = split_rules + default_rules
# Compile the regexps
match_rules = OrderedDict(
(r.get('artifact'), r.get('include')) for r in rules)
regexps = OrderedDict(
(stratum['name'] + a if a.startswith('-') else a,
re.compile('^(?:%s)$' % '|'.join(r)))
for a, r in match_rules.iteritems())
splits = { a : [] for a in regexps.keys() }
for item in stratum['contents']:
chunk = defs.get(item)
if chunk.get('build-mode', 'staging') == 'bootstrap':
continue
metadata = get_metadata(defs, chunk['path'])
split_metadata = {'ref': metadata['ref'],
'repo': metadata['repo'],
'products': []}
chunk_artifacts = defs.get(chunk).get('artifacts', {})
for artifact, target in chunk_artifacts.items():
splits[target].append(artifact)
for element in metadata['products']:
for artifact, rule in regexps.iteritems():
if rule.match(element['artifact']):
split_metadata['products'].append(element)
splits[artifact].append(element['artifact'])
break
split_metafile = os.path.join(stratum['baserockdir'],
chunk['name'] + '.meta')
with open(split_metafile, "w") as f:
yaml.safe_dump(split_metadata, f, default_flow_style=False)
metafile = os.path.join(stratum['baserockdir'], stratum['name'] + '.meta')
metadata = {'products': [{'artifact': a, 'components': sorted(set(splits[a]))}
for a, r in regexps.iteritems()]}
with open(metafile, "w") as f:
yaml.safe_dump(metadata, f, default_flow_style=False)
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