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Viewing changes to hooks/charmhelpers/fetch/giturl.py

  • Committer: Corey Bryant
  • Date: 2014-10-21 12:46:40 UTC
  • mfrom: (30.1.1 ceph-osd-next)
  • Revision ID: corey.bryant@canonical.com-20141021124640-6kz32v3cmxnhr7xc
[gnuoy,r=coreycb] Sync charm-helpers.

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hooks/charmhelpers/fetch/giturl.py
 
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import os
 
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from charmhelpers.fetch import (
 
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    BaseFetchHandler,
 
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    UnhandledSource
 
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)
 
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from charmhelpers.core.host import mkdir
 
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try:
 
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    from git import Repo
 
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except ImportError:
 
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    from charmhelpers.fetch import apt_install
 
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    apt_install("python-git")
 
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    from git import Repo
 
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class GitUrlFetchHandler(BaseFetchHandler):
 
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    """Handler for git branches via generic and github URLs"""
 
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    def can_handle(self, source):
 
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        url_parts = self.parse_url(source)
 
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        #TODO (mattyw) no support for ssh git@ yet
 
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        if url_parts.scheme not in ('http', 'https', 'git'):
 
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            return False
 
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        else:
 
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            return True
 
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    def clone(self, source, dest, branch):
 
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        if not self.can_handle(source):
 
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            raise UnhandledSource("Cannot handle {}".format(source))
 
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        repo = Repo.clone_from(source, dest)
 
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        repo.git.checkout(branch)
 
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    def install(self, source, branch="master"):
 
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        url_parts = self.parse_url(source)
 
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        branch_name = url_parts.path.strip("/").split("/")[-1]
 
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        dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
 
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                                branch_name)
 
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        if not os.path.exists(dest_dir):
 
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            mkdir(dest_dir, perms=0755)
 
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        try:
 
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            self.clone(source, dest_dir, branch)
 
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        except OSError as e:
 
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            raise UnhandledSource(e.strerror)
 
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        return dest_dir