317 lines
12 KiB
Python
317 lines
12 KiB
Python
########################################################################
|
|
#
|
|
# (C) 2015, Brian Coca <bcoca@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/>.
|
|
#
|
|
########################################################################
|
|
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import datetime
|
|
import os
|
|
import tarfile
|
|
import tempfile
|
|
import yaml
|
|
from distutils.version import LooseVersion
|
|
from shutil import rmtree
|
|
|
|
import ansible.constants as C
|
|
from ansible.errors import AnsibleError
|
|
from ansible.module_utils.urls import open_url
|
|
from ansible.playbook.role.requirement import RoleRequirement
|
|
from ansible.galaxy.api import GalaxyAPI
|
|
|
|
try:
|
|
from __main__ import display
|
|
except ImportError:
|
|
from ansible.utils.display import Display
|
|
display = Display()
|
|
|
|
class GalaxyRole(object):
|
|
|
|
SUPPORTED_SCMS = set(['git', 'hg'])
|
|
META_MAIN = os.path.join('meta', 'main.yml')
|
|
META_INSTALL = os.path.join('meta', '.galaxy_install_info')
|
|
ROLE_DIRS = ('defaults','files','handlers','meta','tasks','templates','vars','tests')
|
|
|
|
|
|
def __init__(self, galaxy, name, src=None, version=None, scm=None, path=None):
|
|
|
|
self._metadata = None
|
|
self._install_info = None
|
|
self._validate_certs = not galaxy.options.ignore_certs
|
|
|
|
display.debug('Validate TLS certificates: %s' % self._validate_certs)
|
|
|
|
self.options = galaxy.options
|
|
self.galaxy = galaxy
|
|
|
|
self.name = name
|
|
self.version = version
|
|
self.src = src or name
|
|
self.scm = scm
|
|
|
|
if path is not None:
|
|
if self.name not in path:
|
|
path = os.path.join(path, self.name)
|
|
self.path = path
|
|
else:
|
|
for role_path_dir in galaxy.roles_paths:
|
|
role_path = os.path.join(role_path_dir, self.name)
|
|
if os.path.exists(role_path):
|
|
self.path = role_path
|
|
break
|
|
else:
|
|
# use the first path by default
|
|
self.path = os.path.join(galaxy.roles_paths[0], self.name)
|
|
|
|
def __eq__(self, other):
|
|
return self.name == other.name
|
|
|
|
@property
|
|
def metadata(self):
|
|
"""
|
|
Returns role metadata
|
|
"""
|
|
if self._metadata is None:
|
|
meta_path = os.path.join(self.path, self.META_MAIN)
|
|
if os.path.isfile(meta_path):
|
|
try:
|
|
f = open(meta_path, 'r')
|
|
self._metadata = yaml.safe_load(f)
|
|
except:
|
|
display.vvvvv("Unable to load metadata for %s" % self.name)
|
|
return False
|
|
finally:
|
|
f.close()
|
|
|
|
return self._metadata
|
|
|
|
|
|
@property
|
|
def install_info(self):
|
|
"""
|
|
Returns role install info
|
|
"""
|
|
if self._install_info is None:
|
|
|
|
info_path = os.path.join(self.path, self.META_INSTALL)
|
|
if os.path.isfile(info_path):
|
|
try:
|
|
f = open(info_path, 'r')
|
|
self._install_info = yaml.safe_load(f)
|
|
except:
|
|
display.vvvvv("Unable to load Galaxy install info for %s" % self.name)
|
|
return False
|
|
finally:
|
|
f.close()
|
|
return self._install_info
|
|
|
|
def _write_galaxy_install_info(self):
|
|
"""
|
|
Writes a YAML-formatted file to the role's meta/ directory
|
|
(named .galaxy_install_info) which contains some information
|
|
we can use later for commands like 'list' and 'info'.
|
|
"""
|
|
|
|
info = dict(
|
|
version=self.version,
|
|
install_date=datetime.datetime.utcnow().strftime("%c"),
|
|
)
|
|
info_path = os.path.join(self.path, self.META_INSTALL)
|
|
with open(info_path, 'w+') as f:
|
|
try:
|
|
self._install_info = yaml.safe_dump(info, f)
|
|
except:
|
|
return False
|
|
|
|
return True
|
|
|
|
def remove(self):
|
|
"""
|
|
Removes the specified role from the roles path.
|
|
There is a sanity check to make sure there's a meta/main.yml file at this
|
|
path so the user doesn't blow away random directories.
|
|
"""
|
|
if self.metadata:
|
|
try:
|
|
rmtree(self.path)
|
|
return True
|
|
except:
|
|
pass
|
|
|
|
return False
|
|
|
|
def fetch(self, role_data):
|
|
"""
|
|
Downloads the archived role from github to a temp location
|
|
"""
|
|
if role_data:
|
|
|
|
# first grab the file and save it to a temp location
|
|
if "github_user" in role_data and "github_repo" in role_data:
|
|
archive_url = 'https://github.com/%s/%s/archive/%s.tar.gz' % (role_data["github_user"], role_data["github_repo"], self.version)
|
|
else:
|
|
archive_url = self.src
|
|
|
|
display.display("- downloading role from %s" % archive_url)
|
|
|
|
try:
|
|
url_file = open_url(archive_url, validate_certs=self._validate_certs)
|
|
temp_file = tempfile.NamedTemporaryFile(delete=False)
|
|
data = url_file.read()
|
|
while data:
|
|
temp_file.write(data)
|
|
data = url_file.read()
|
|
temp_file.close()
|
|
return temp_file.name
|
|
except Exception as e:
|
|
display.error("failed to download the file: %s" % str(e))
|
|
|
|
return False
|
|
|
|
def install(self):
|
|
# the file is a tar, so open it that way and extract it
|
|
# to the specified (or default) roles directory
|
|
|
|
if self.scm:
|
|
# create tar file from scm url
|
|
tmp_file = RoleRequirement.scm_archive_role(**self.spec)
|
|
elif self.src:
|
|
if os.path.isfile(self.src):
|
|
# installing a local tar.gz
|
|
tmp_file = self.src
|
|
elif '://' in self.src:
|
|
role_data = self.src
|
|
tmp_file = self.fetch(role_data)
|
|
else:
|
|
api = GalaxyAPI(self.galaxy)
|
|
role_data = api.lookup_role_by_name(self.src)
|
|
if not role_data:
|
|
raise AnsibleError("- sorry, %s was not found on %s." % (self.src, api.api_server))
|
|
|
|
role_versions = api.fetch_role_related('versions', role_data['id'])
|
|
if not self.version:
|
|
# convert the version names to LooseVersion objects
|
|
# and sort them to get the latest version. If there
|
|
# are no versions in the list, we'll grab the head
|
|
# of the master branch
|
|
if len(role_versions) > 0:
|
|
loose_versions = [LooseVersion(a.get('name',None)) for a in role_versions]
|
|
loose_versions.sort()
|
|
self.version = str(loose_versions[-1])
|
|
elif role_data.get('github_branch', None):
|
|
self.version = role_data['github_branch']
|
|
else:
|
|
self.version = 'master'
|
|
elif self.version != 'master':
|
|
if role_versions and self.version not in [a.get('name', None) for a in role_versions]:
|
|
raise AnsibleError("- the specified version (%s) of %s was not found in the list of available versions (%s)." % (self.version, self.name, role_versions))
|
|
|
|
tmp_file = self.fetch(role_data)
|
|
|
|
else:
|
|
raise AnsibleError("No valid role data found")
|
|
|
|
|
|
if tmp_file:
|
|
|
|
display.debug("installing from %s" % tmp_file)
|
|
|
|
if not tarfile.is_tarfile(tmp_file):
|
|
raise AnsibleError("the file downloaded was not a tar.gz")
|
|
else:
|
|
if tmp_file.endswith('.gz'):
|
|
role_tar_file = tarfile.open(tmp_file, "r:gz")
|
|
else:
|
|
role_tar_file = tarfile.open(tmp_file, "r")
|
|
# verify the role's meta file
|
|
meta_file = None
|
|
members = role_tar_file.getmembers()
|
|
# next find the metadata file
|
|
for member in members:
|
|
if self.META_MAIN in member.name:
|
|
meta_file = member
|
|
break
|
|
if not meta_file:
|
|
raise AnsibleError("this role does not appear to have a meta/main.yml file.")
|
|
else:
|
|
try:
|
|
self._metadata = yaml.safe_load(role_tar_file.extractfile(meta_file))
|
|
except:
|
|
raise AnsibleError("this role does not appear to have a valid meta/main.yml file.")
|
|
|
|
# we strip off the top-level directory for all of the files contained within
|
|
# the tar file here, since the default is 'github_repo-target', and change it
|
|
# to the specified role's name
|
|
display.display("- extracting %s to %s" % (self.name, self.path))
|
|
try:
|
|
if os.path.exists(self.path):
|
|
if not os.path.isdir(self.path):
|
|
raise AnsibleError("the specified roles path exists and is not a directory.")
|
|
elif not getattr(self.options, "force", False):
|
|
raise AnsibleError("the specified role %s appears to already exist. Use --force to replace it." % self.name)
|
|
else:
|
|
# using --force, remove the old path
|
|
if not self.remove():
|
|
raise AnsibleError("%s doesn't appear to contain a role.\n please remove this directory manually if you really want to put the role here." % self.path)
|
|
else:
|
|
os.makedirs(self.path)
|
|
|
|
# now we do the actual extraction to the path
|
|
for member in members:
|
|
# we only extract files, and remove any relative path
|
|
# bits that might be in the file for security purposes
|
|
# and drop the leading directory, as mentioned above
|
|
if member.isreg() or member.issym():
|
|
parts = member.name.split(os.sep)[1:]
|
|
final_parts = []
|
|
for part in parts:
|
|
if part != '..' and '~' not in part and '$' not in part:
|
|
final_parts.append(part)
|
|
member.name = os.path.join(*final_parts)
|
|
role_tar_file.extract(member, self.path)
|
|
|
|
# write out the install info file for later use
|
|
self._write_galaxy_install_info()
|
|
except OSError as e:
|
|
raise AnsibleError("Could not update files in %s: %s" % (self.path, str(e)))
|
|
|
|
# return the parsed yaml metadata
|
|
display.display("- %s was installed successfully" % self.name)
|
|
try:
|
|
os.unlink(tmp_file)
|
|
except (OSError,IOError) as e:
|
|
display.warning("Unable to remove tmp file (%s): %s" % (tmp_file, str(e)))
|
|
return True
|
|
|
|
return False
|
|
|
|
@property
|
|
def spec(self):
|
|
"""
|
|
Returns role spec info
|
|
{
|
|
'scm': 'git',
|
|
'src': 'http://git.example.com/repos/repo.git',
|
|
'version': 'v1.0',
|
|
'name': 'repo'
|
|
}
|
|
"""
|
|
return dict(scm=self.scm, src=self.src, version=self.version, name=self.name)
|