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# (c) 2014 Michael DeHaan, <michael@ansible.com>
#
# This file is part of Ansible
#
# Ansible 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, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from ansible.compat.six import string_types
import os
import shutil
import subprocess
import tempfile
from ansible.errors import AnsibleError
from ansible.playbook.role.definition import RoleDefinition
__all__ = ['RoleRequirement']
VALID_SPEC_KEYS = [
'name',
'role',
'scm',
'src',
'version',
]
try:
from __main__ import display
display = display
except ImportError:
from ansible.utils.display import Display
display = Display()
class RoleRequirement(RoleDefinition):
"""
Helper class for Galaxy, which is used to parse both dependencies
specified in meta/main.yml and requirements.yml files.
"""
def __init__(self):
pass
@staticmethod
def repo_url_to_role_name(repo_url):
# gets the role name out of a repo like
# http://git.example.com/repos/repo.git" => "repo"
if '://' not in repo_url and '@' not in repo_url:
return repo_url
trailing_path = repo_url.split('/')[-1]
if trailing_path.endswith('.git'):
trailing_path = trailing_path[:-4]
if trailing_path.endswith('.tar.gz'):
trailing_path = trailing_path[:-7]
if ',' in trailing_path:
trailing_path = trailing_path.split(',')[0]
return trailing_path
@staticmethod
def role_spec_parse(role_spec):
# takes a repo and a version like
# git+http://git.example.com/repos/repo.git,v1.0
# and returns a list of properties such as:
# {
# 'scm': 'git',
# 'src': 'http://git.example.com/repos/repo.git',
# 'version': 'v1.0',
# 'name': 'repo'
# }
display.deprecated("The comma separated role spec format, use the yaml/explicit format instead.")
default_role_versions = dict(git='master', hg='tip')
role_spec = role_spec.strip()
role_version = ''
if role_spec == "" or role_spec.startswith("#"):
return (None, None, None, None)
tokens = [s.strip() for s in role_spec.split(',')]
# assume https://github.com URLs are git+https:// URLs and not
# tarballs unless they end in '.zip'
if 'github.com/' in tokens[0] and not tokens[0].startswith("git+") and not tokens[0].endswith('.tar.gz'):
tokens[0] = 'git+' + tokens[0]
if '+' in tokens[0]:
(scm, role_url) = tokens[0].split('+')
else:
scm = None
role_url = tokens[0]
if len(tokens) >= 2:
role_version = tokens[1]
if len(tokens) == 3:
role_name = tokens[2]
else:
role_name = RoleRequirement.repo_url_to_role_name(tokens[0])
if scm and not role_version:
role_version = default_role_versions.get(scm, '')
return dict(scm=scm, src=role_url, version=role_version, name=role_name)
@staticmethod
def role_yaml_parse(role):
if isinstance(role, string_types):
name = None
scm = None
src = None
version = None
if ',' in role:
if role.count(',') == 1:
(src, version) = role.strip().split(',', 1)
elif role.count(',') == 2:
(src, version, name) = role.strip().split(',', 2)
else:
raise AnsibleError("Invalid role line (%s). Proper format is 'role_name[,version[,name]]'" % role)
else:
src = role
if name is None:
name = RoleRequirement.repo_url_to_role_name(src)
if '+' in src:
(scm, src) = src.split('+', 1)
return dict(name=name, src=src, scm=scm, version=version)
if 'role' in role:
# Old style: {role: "galaxy.role,version,name", other_vars: "here" }
role = RoleRequirement.role_spec_parse(role['role'])
else:
role = role.copy()
if 'src'in role:
# New style: { src: 'galaxy.role,version,name', other_vars: "here" }
if 'github.com' in role["src"] and 'http' in role["src"] and '+' not in role["src"] and not role["src"].endswith('.tar.gz'):
role["src"] = "git+" + role["src"]
if '+' in role["src"]:
(scm, src) = role["src"].split('+')
role["scm"] = scm
role["src"] = src
if 'name' not in role:
role["name"] = RoleRequirement.repo_url_to_role_name(role["src"])
if 'version' not in role:
role['version'] = ''
if 'scm' not in role:
role['scm'] = None
for key in role.keys():
if key not in VALID_SPEC_KEYS:
role.pop(key)
return role
@staticmethod
def scm_archive_role(src, scm='git', name=None, version='HEAD'):
if scm not in ['hg', 'git']:
raise AnsibleError("- scm %s is not currently supported" % scm)
tempdir = tempfile.mkdtemp()
clone_cmd = [scm, 'clone', src, name]
with open('/dev/null', 'w') as devnull:
try:
popen = subprocess.Popen(clone_cmd, cwd=tempdir, stdout=devnull, stderr=devnull)
except:
raise AnsibleError("error executing: %s" % " ".join(clone_cmd))
rc = popen.wait()
if rc != 0:
raise AnsibleError ("- command %s failed in directory %s (rc=%s)" % (' '.join(clone_cmd), tempdir, rc))
temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.tar')
if scm == 'hg':
archive_cmd = ['hg', 'archive', '--prefix', "%s/" % name]
if version:
archive_cmd.extend(['-r', version])
archive_cmd.append(temp_file.name)
if scm == 'git':
archive_cmd = ['git', 'archive', '--prefix=%s/' % name, '--output=%s' % temp_file.name]
if version:
archive_cmd.append(version)
else:
archive_cmd.append('HEAD')
with open('/dev/null', 'w') as devnull:
popen = subprocess.Popen(archive_cmd, cwd=os.path.join(tempdir, name),
stderr=devnull, stdout=devnull)
rc = popen.wait()
if rc != 0:
raise AnsibleError("- command %s failed in directory %s (rc=%s)" % (' '.join(archive_cmd), tempdir, rc))
shutil.rmtree(tempdir, ignore_errors=True)
return temp_file.name
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