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install updates on startup, check for updates

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This commit is contained in:
j 2014-08-07 11:46:23 +02:00
commit 537eba0f0f
6 changed files with 89 additions and 41 deletions
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72
oml/update.py
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@ -32,8 +32,8 @@ def verify(release):
return False
return True
def download(url, filename):
print 'download', filename
def download_module(url, filename):
print 'download', os.path.basename(filename)
dirname = os.path.dirname(filename)
if dirname and not os.path.exists(dirname):
os.makedirs(dirname)
@ -44,7 +44,7 @@ def download(url, filename):
f.write(data)
data = u.read(4096)
def new_version():
def check():
if settings.release:
r = requests.get(RELEASE_URL)
release_data = r.content
@ -53,7 +53,9 @@ def new_version():
new = release['modules']['openmedialibrary']['version']
return verify(release) and old < new
def update():
def download():
if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
return True
r = requests.get(RELEASE_URL)
release_data = r.content
release = json.loads(release_data)
@ -61,36 +63,60 @@ def update():
new = release['modules']['openmedialibrary']['version']
if verify(release) and old < new:
ox.makedirs(settings.updates_path)
os.chdir(os.path.dirname(settings.base_dir))
current_files = {'release.json'}
for module in release['modules']:
if release['modules'][module]['version'] > settings.release['modules'][module]['version']:
module_tar = os.path.join(settings.updates_path, release['modules'][module]['name'])
url = RELEASE_URL.replace('release.json', release['modules'][module]['name'])
if not os.path.exists(module_tar):
download_module(url, module_tar)
if ox.sha1sum(module_tar) != release['modules'][module]['sha1']:
os.unlink(module_tar)
return False
current_files.add(os.path.basename(module_tar))
with open(os.path.join(settings.updates_path, 'release.json'), 'w') as fd:
fd.write(release_data)
for f in set(os.walk(settings.updates_path).next()[2])-current_files:
os.unlink(os.join(settings.updates_path, f))
return True
return True
def install():
if not os.path.exists(os.path.join(settings.updates_path, 'release.json')):
return True
if not os.path.exists(os.path.join(settings.config_path, 'release.json')):
return True
with open(os.path.join(settings.updates_path, 'release.json')) as fd:
release = json.load(fd)
old = settings.release['modules']['openmedialibrary']['version']
new = release['modules']['openmedialibrary']['version']
if verify(release) and old < new:
os.chdir(os.path.dirname(settings.base_dir))
for module in release['modules']:
if release['modules'][module]['version'] > settings.release['modules'][module]['version']:
package_tar = os.path.join(settings.updates_path, release['modules'][module]['name'])
url = RELEASE_URL.replace('release.json', release['modules'][module]['name'])
download(url, package_tar)
if ox.sha1sum(package_tar) == release['modules'][module]['sha1']:
ox.makedirs('new')
os.chdir('new')
tar = tarfile.open(package_tar)
module_tar = os.path.join(settings.updates_path, release['modules'][module]['name'])
if os.path.exists(module_tar) and ox.sha1sum(module_tar) == release['modules'][module]['sha1']:
#tar fails if old platform is moved before extract
new = '%s_new' % module
ox.makedirs(new)
os.chdir(new)
tar = tarfile.open(module_tar)
tar.extractall()
tar.close()
os.chdir(os.path.dirname(settings.base_dir))
shutil.move(module, '%s_old' % module)
shutil.move(os.path.join('new', module), module)
shutil.move(os.path.join(new, module), module)
shutil.rmtree('%s_old' % module)
shutil.rmtree('new')
shutil.rmtree(new)
else:
return False
os.unlink(package_tar)
with open(os.path.join(settings.config_dir, 'release.json'), 'w') as fd:
fd.write(release_data)
cmd = ['./ctl', 'stop']
subprocess.call(cmd)
cmd = ['./ctl', 'setup']
subprocess.call(cmd)
cmd = ['./ctl', 'postupdate', '-o', old, '-n', new]
subprocess.call(cmd)
cmd = ['./ctl', 'start']
shutil.copy(os.path.join(settings.updates_path, 'release.json'), os.path.join(settings.config_path, 'release.json'))
for cmd in [
['./ctl', 'stop'],
['./ctl', 'setup'],
['./ctl', 'postupdate', '-o', old, '-n', new]
]:
subprocess.call(cmd)
return True
return True