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community.general/lib/ansible/cli/galaxy.py
2015-07-30 12:35:27 -04:00

531 lines
23 KiB
Python

########################################################################
#
# (C) 2013, James Cammarata <jcammarata@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/>.
#
########################################################################
import datetime
import json
import os
import os.path
import shutil
import subprocess
import sys
import tarfile
import tempfile
import urllib
import urllib2
import yaml
from collections import defaultdict
from distutils.version import LooseVersion
from jinja2 import Environment
from optparse import OptionParser
import ansible.constants as C
import ansible.utils
import ansible.galaxy
from ansible.cli import CLI
from ansible.errors import AnsibleError, AnsibleOptionsError
from ansible.galaxy import Galaxy
from ansible.galaxy.api import GalaxyAPI
from ansible.galaxy.role import GalaxyRole
from ansible.playbook.role.requirement import RoleRequirement
from ansible.utils.display import Display
class GalaxyCLI(CLI):
VALID_ACTIONS = ("init", "info", "install", "list", "remove")
SKIP_INFO_KEYS = ("platforms","readme_html", "related", "summary_fields", "average_aw_composite", "average_aw_score", "url" )
def __init__(self, args, display=None):
self.api = None
self.galaxy = None
super(GalaxyCLI, self).__init__(args, display)
def parse(self):
''' create an options parser for bin/ansible '''
self.parser = CLI.base_parser(
usage = "usage: %%prog [%s] [--help] [options] ..." % "|".join(self.VALID_ACTIONS),
epilog = "\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0])
)
self.set_action()
# options specific to actions
if self.action == "info":
self.parser.set_usage("usage: %prog info [options] role_name[,version]")
elif self.action == "init":
self.parser.set_usage("usage: %prog init [options] role_name")
self.parser.add_option(
'-p', '--init-path', dest='init_path', default="./",
help='The path in which the skeleton role will be created. '
'The default is the current working directory.')
self.parser.add_option(
'--offline', dest='offline', default=False, action='store_true',
help="Don't query the galaxy API when creating roles")
elif self.action == "install":
self.parser.set_usage("usage: %prog install [options] [-r FILE | role_name(s)[,version] | scm+role_repo_url[,version] | tar_file(s)]")
self.parser.add_option(
'-i', '--ignore-errors', dest='ignore_errors', action='store_true', default=False,
help='Ignore errors and continue with the next specified role.')
self.parser.add_option(
'-n', '--no-deps', dest='no_deps', action='store_true', default=False,
help='Don\'t download roles listed as dependencies')
self.parser.add_option(
'-r', '--role-file', dest='role_file',
help='A file containing a list of roles to be imported')
elif self.action == "remove":
self.parser.set_usage("usage: %prog remove role1 role2 ...")
elif self.action == "list":
self.parser.set_usage("usage: %prog list [role_name]")
# options that apply to more than one action
if self.action != "init":
self.parser.add_option(
'-p', '--roles-path', dest='roles_path', default=C.DEFAULT_ROLES_PATH,
help='The path to the directory containing your roles. '
'The default is the roles_path configured in your '
'ansible.cfg file (/etc/ansible/roles if not configured)')
if self.action in ("info","init","install"):
self.parser.add_option( '-s', '--server', dest='api_server', default="https://galaxy.ansible.com",
help='The API server destination')
if self.action in ("init","install"):
self.parser.add_option(
'-f', '--force', dest='force', action='store_true', default=False,
help='Force overwriting an existing role')
# get options, args and galaxy object
self.options, self.args =self.parser.parse_args()
self.display.verbosity = self.options.verbosity
self.galaxy = Galaxy(self.options, self.display)
return True
def run(self):
super(GalaxyCLI, self).run()
# if not offline, get connect to galaxy api
if self.action in ("info","install") or (self.action == 'init' and not self.options.offline):
api_server = self.options.api_server
self.api = GalaxyAPI(self.galaxy, api_server)
if not self.api:
raise AnsibleError("The API server (%s) is not responding, please try again later." % api_server)
self.execute()
def get_opt(self, k, defval=""):
"""
Returns an option from an Optparse values instance.
"""
try:
data = getattr(self.options, k)
except:
return defval
if k == "roles_path":
if os.pathsep in data:
data = data.split(os.pathsep)[0]
return data
def exit_without_ignore(self, rc=1):
"""
Exits with the specified return code unless the
option --ignore-errors was specified
"""
if not self.get_opt("ignore_errors", False):
raise AnsibleError('- you can use --ignore-errors to skip failed roles and finish processing the list.')
def execute_init(self):
"""
Executes the init action, which creates the skeleton framework
of a role that complies with the galaxy metadata format.
"""
init_path = self.get_opt('init_path', './')
force = self.get_opt('force', False)
offline = self.get_opt('offline', False)
role_name = self.args.pop(0).strip()
if role_name == "":
raise AnsibleOptionsError("- no role name specified for init")
role_path = os.path.join(init_path, role_name)
if os.path.exists(role_path):
if os.path.isfile(role_path):
raise AnsibleError("- the path %s already exists, but is a file - aborting" % role_path)
elif not force:
raise AnsibleError("- the directory %s already exists." % role_path + \
"you can use --force to re-initialize this directory,\n" + \
"however it will reset any main.yml files that may have\n" + \
"been modified there already.")
# create the default README.md
if not os.path.exists(role_path):
os.makedirs(role_path)
readme_path = os.path.join(role_path, "README.md")
f = open(readme_path, "wb")
f.write(self.galaxy.default_readme)
f.close
for dir in GalaxyRole.ROLE_DIRS:
dir_path = os.path.join(init_path, role_name, dir)
main_yml_path = os.path.join(dir_path, 'main.yml')
# create the directory if it doesn't exist already
if not os.path.exists(dir_path):
os.makedirs(dir_path)
# now create the main.yml file for that directory
if dir == "meta":
# create a skeleton meta/main.yml with a valid galaxy_info
# datastructure in place, plus with all of the available
# tags/platforms included (but commented out) and the
# dependencies section
platforms = []
if not offline and self.api:
platforms = self.api.get_list("platforms") or []
categories = []
if not offline and self.api:
categories = self.api.get_list("categories") or []
# group the list of platforms from the api based
# on their names, with the release field being
# appended to a list of versions
platform_groups = defaultdict(list)
for platform in platforms:
platform_groups[platform['name']].append(platform['release'])
platform_groups[platform['name']].sort()
inject = dict(
author = 'your name',
company = 'your company (optional)',
license = 'license (GPLv2, CC-BY, etc)',
issue_tracker_url = 'http://example.com/issue/tracker',
min_ansible_version = '1.2',
platforms = platform_groups,
categories = categories,
)
rendered_meta = Environment().from_string(self.galaxy.default_meta).render(inject)
f = open(main_yml_path, 'w')
f.write(rendered_meta)
f.close()
pass
elif dir not in ('files','templates'):
# just write a (mostly) empty YAML file for main.yml
f = open(main_yml_path, 'w')
f.write('---\n# %s file for %s\n' % (dir,role_name))
f.close()
self.display.display("- %s was created successfully" % role_name)
def execute_info(self):
"""
Executes the info action. This action prints out detailed
information about an installed role as well as info available
from the galaxy API.
"""
if len(self.args) == 0:
# the user needs to specify a role
raise AnsibleOptionsError("- you must specify a user/role name")
roles_path = self.get_opt("roles_path")
for role in self.args:
role_info = {}
gr = GalaxyRole(self.galaxy, role)
#self.galaxy.add_role(gr)
install_info = gr.install_info
if install_info:
if 'version' in install_info:
install_info['intalled_version'] = install_info['version']
del install_info['version']
role_info.update(install_info)
remote_data = False
if self.api:
remote_data = self.api.lookup_role_by_name(role, False)
if remote_data:
role_info.update(remote_data)
if gr.metadata:
role_info.update(gr.metadata)
req = RoleRequirement()
__, __, role_spec= req.parse({'role': role})
if role_spec:
role_info.update(role_spec)
if role_info:
self.display.display("- %s:" % (role))
for k in sorted(role_info.keys()):
if k in self.SKIP_INFO_KEYS:
continue
if isinstance(role_info[k], dict):
self.display.display("\t%s: " % (k))
for key in sorted(role_info[k].keys()):
if key in self.SKIP_INFO_KEYS:
continue
self.display.display("\t\t%s: %s" % (key, role_info[k][key]))
else:
self.display.display("\t%s: %s" % (k, role_info[k]))
else:
self.display.display("- the role %s was not found" % role)
def execute_install(self):
"""
Executes the installation action. The args list contains the
roles to be installed, unless -f was specified. The list of roles
can be a name (which will be downloaded via the galaxy API and github),
or it can be a local .tar.gz file.
"""
role_file = self.get_opt("role_file", None)
if len(self.args) == 0 and role_file is None:
# the user needs to specify one of either --role-file
# or specify a single user/role name
raise AnsibleOptionsError("- you must specify a user/role name or a roles file")
elif len(self.args) == 1 and not role_file is None:
# using a role file is mutually exclusive of specifying
# the role name on the command line
raise AnsibleOptionsError("- please specify a user/role name, or a roles file, but not both")
no_deps = self.get_opt("no_deps", False)
roles_path = self.get_opt("roles_path")
roles_done = []
roles_left = []
if role_file:
self.display.debug('Getting roles from %s' % role_file)
try:
f = open(role_file, 'r')
if role_file.endswith('.yaml') or role_file.endswith('.yml'):
try:
rolesparsed = map(self.parse_requirements_files, yaml.safe_load(f))
except Exception as e:
raise AnsibleError("%s does not seem like a valid yaml file: %s" % (role_file, str(e)))
roles_left = [GalaxyRole(self.galaxy, **r) for r in rolesparsed]
else:
# roles listed in a file, one per line
self.display.deprecated("Non yaml files for role requirements")
for rname in f.readlines():
if rname.startswith("#") or rname.strip() == '':
continue
roles_left.append(GalaxyRole(self.galaxy, rname.strip()))
f.close()
except (IOError,OSError) as e:
raise AnsibleError("Unable to read requirements file (%s): %s" % (role_file, str(e)))
else:
# roles were specified directly, so we'll just go out grab them
# (and their dependencies, unless the user doesn't want us to).
for rname in self.args:
roles_left.append(GalaxyRole(self.galaxy, rname.strip()))
while len(roles_left) > 0:
# query the galaxy API for the role data
role_data = None
role = roles_left.pop(0)
role_path = role.path
self.display.debug('Installing role %s' % role_path)
if role_path:
self.options.roles_path = role_path
else:
self.options.roles_path = roles_path
tmp_file = None
installed = False
if role.src and os.path.isfile(role.src):
# installing a local tar.gz
tmp_file = role.src
else:
if role.scm:
# create tar file from scm url
tmp_file = scm_archive_role(role.scm, role.src, role.version, role.name)
if role.src:
if '://' not in role.src:
role_data = self.api.lookup_role_by_name(role.src)
if not role_data:
self.display.warning("- sorry, %s was not found on %s." % (role.src, self.options.api_server))
self.exit_without_ignore()
continue
role_versions = self.api.fetch_role_related('versions', role_data['id'])
if not role.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()
role.version = str(loose_versions[-1])
else:
role.version = 'master'
elif role.version != 'master':
if role_versions and role.version not in [a.get('name', None) for a in role_versions]:
self.display.warning('role is %s' % role)
self.display.warning("- the specified version (%s) was not found in the list of available versions (%s)." % (role.version, role_versions))
self.exit_without_ignore()
continue
# download the role. if --no-deps was specified, we stop here,
# otherwise we recursively grab roles and all of their deps.
tmp_file = role.fetch(role_data)
if tmp_file:
installed = role.install(tmp_file)
# we're done with the temp file, clean it up
if tmp_file != role.src:
os.unlink(tmp_file)
# install dependencies, if we want them
if not no_deps and installed:
if not role_data:
role_data = gr.get_metadata(role.get("name"), options)
role_dependencies = role_data['dependencies']
else:
role_dependencies = role_data['summary_fields']['dependencies'] # api_fetch_role_related(api_server, 'dependencies', role_data['id'])
for dep in role_dependencies:
self.display.debug('Installing dep %s' % dep)
if isinstance(dep, basestring):
dep = ansible.utils.role_spec_parse(dep)
else:
dep = ansible.utils.role_yaml_parse(dep)
if not get_role_metadata(dep["name"], options):
if dep not in roles_left:
self.display.display('- adding dependency: %s' % dep["name"])
roles_left.append(dep)
else:
self.display.display('- dependency %s already pending installation.' % dep["name"])
else:
self.display.display('- dependency %s is already installed, skipping.' % dep["name"])
if not tmp_file or not installed:
self.display.warning("- %s was NOT installed successfully." % role.name)
self.exit_without_ignore()
return 0
def execute_remove(self):
"""
Executes the remove action. The args list contains the list
of roles to be removed. This list can contain more than one role.
"""
if len(self.args) == 0:
raise AnsibleOptionsError('- you must specify at least one role to remove.')
for role_name in self.args:
role = GalaxyRole(self.galaxy, role_name)
try:
if role.remove():
self.display.display('- successfully removed %s' % role_name)
else:
self.display.display('- %s is not installed, skipping.' % role_name)
except Exception as e:
raise AnsibleError("Failed to remove role %s: %s" % (role_name, str(e)))
return 0
def execute_list(self):
"""
Executes the list action. The args list can contain zero
or one role. If one is specified, only that role will be
shown, otherwise all roles in the specified directory will
be shown.
"""
if len(self.args) > 1:
raise AnsibleOptionsError("- please specify only one role to list, or specify no roles to see a full list")
if len(self.args) == 1:
# show only the request role, if it exists
name = self.args.pop()
gr = GalaxyRole(self.galaxy, name)
if gr.metadata:
install_info = gr.install_info
version = None
if install_info:
version = install_info.get("version", None)
if not version:
version = "(unknown version)"
# show some more info about single roles here
self.display.display("- %s, %s" % (name, version))
else:
self.display.display("- the role %s was not found" % name)
else:
# show all valid roles in the roles_path directory
roles_path = self.get_opt('roles_path')
roles_path = os.path.expanduser(roles_path)
if not os.path.exists(roles_path):
raise AnsibleOptionsError("- the path %s does not exist. Please specify a valid path with --roles-path" % roles_path)
elif not os.path.isdir(roles_path):
raise AnsibleOptionsError("- %s exists, but it is not a directory. Please specify a valid path with --roles-path" % roles_path)
path_files = os.listdir(roles_path)
for path_file in path_files:
gr = GalaxyRole(self.galaxy, path_file)
if gr.metadata:
install_info = gr.metadata
version = None
if install_info:
version = install_info.get("version", None)
if not version:
version = "(unknown version)"
self.display.display("- %s, %s" % (path_file, version))
return 0
def parse_requirements_files(self, role):
if 'role' in role:
# Old style: {role: "galaxy.role,version,name", other_vars: "here" }
role_info = role_spec_parse(role['role'])
if isinstance(role_info, dict):
# Warning: Slight change in behaviour here. name may be being
# overloaded. Previously, name was only a parameter to the role.
# Now it is both a parameter to the role and the name that
# ansible-galaxy will install under on the local system.
if 'name' in role and 'name' in role_info:
del role_info['name']
role.update(role_info)
else:
# 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"] = GalaxyRole.url_to_spec(role["src"])
if 'version' not in role:
role['version'] = ''
if 'scm' not in role:
role['scm'] = None
return role