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check current version's existence (fire or cleanup)

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* reserve current version when cleanup
* verify existence before fire a new version
* update doc of deploy_helper
This commit is contained in:
Robert Lu 2015-12-16 14:49:23 +08:00
parent 645bb5c30c
commit 8d05d4e909
1 changed files with 10 additions and 4 deletions
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14
web_infrastructure/deploy_helper.py
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@ -110,7 +110,7 @@ options:
default: 5
description:
- the number of old releases to keep when cleaning. Used in C(finalize) and C(clean). Any unfinished builds
will be deleted first, so only correct releases will count.
will be deleted first, so only correct releases will count. The current version will not count.
notes:
- Facts are only returned for C(state=query) and C(state=present). If you use both, you should pass any overridden
@ -318,6 +318,8 @@ class DeployHelper(object):
else:
changed = True
if not self.module.check_mode:
if not os.path.lexists(source):
self.module.fail_json(msg="the symlink target %s doesn't exists" % source)
tmp_link_name = link_name + '.' + self.unfinished_filename
if os.path.islink(tmp_link_name):
os.unlink(tmp_link_name)
@ -362,11 +364,15 @@ class DeployHelper(object):
return changed
def cleanup(self, releases_path):
def cleanup(self, releases_path, reserve_version):
changes = 0
if os.path.lexists(releases_path):
releases = [ f for f in os.listdir(releases_path) if os.path.isdir(os.path.join(releases_path,f)) ]
try:
releases.remove(reserve_version)
except ValueError:
pass
if not self.module.check_mode:
releases.sort( key=lambda x: os.path.getctime(os.path.join(releases_path,x)), reverse=True)
@ -442,12 +448,12 @@ def main():
if deploy_helper.clean:
changes += deploy_helper.remove_unfinished_link(facts['path'])
changes += deploy_helper.remove_unfinished_builds(facts['releases_path'])
changes += deploy_helper.cleanup(facts['releases_path'])
changes += deploy_helper.cleanup(facts['releases_path'], facts['new_release'])
elif deploy_helper.state == 'clean':
changes += deploy_helper.remove_unfinished_link(facts['path'])
changes += deploy_helper.remove_unfinished_builds(facts['releases_path'])
changes += deploy_helper.cleanup(facts['releases_path'])
changes += deploy_helper.cleanup(facts['releases_path'], facts['new_release'])
elif deploy_helper.state == 'absent':
# destroy the facts