ansible/v2/bin/ansible-galaxy
2015-04-29 10:51:15 -04:00

560 lines
23 KiB
Python
Executable file

#!/usr/bin/env 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.errors import AnsibleError
class Cli(object):
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):
if display is None:
self.display = Display()
else:
self.display = display
self.action = None
def set_action(args):
"""
Get the action the user wants to execute from the
sys argv list.
"""
for i in range(0,len(args)):
arg = args[i]
if arg in VALID_ACTIONS:
del args[i]
self.action = arg
def parse(self):
''' create an options parser for bin/ansible '''
usage = "usage: %%prog [%s] [--help] [options] ..." % "|".join(VALID_ACTIONS)
epilog = "\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0])
OptionParser.format_epilog = lambda self, formatter: self.epilog
parser = OptionParser(usage=usage, epilog=epilog)
if not self.action:
parser.print_help()
sys.exit(1)
# options specific to actions
if self.action == "info":
parser.set_usage("usage: %prog info [options] role_name[,version]")
elif self.action == "init":
parser.set_usage("usage: %prog init [options] role_name")
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.')
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":
parser.set_usage("usage: %prog install [options] [-r FILE | role_name(s)[,version] | scm+role_repo_url[,version] | tar_file(s)]")
parser.add_option(
'-i', '--ignore-errors', dest='ignore_errors', action='store_true', default=False,
help='Ignore errors and continue with the next specified role.')
parser.add_option(
'-n', '--no-deps', dest='no_deps', action='store_true', default=False,
help='Don\'t download roles listed as dependencies')
parser.add_option(
'-r', '--role-file', dest='role_file',
help='A file containing a list of roles to be imported')
elif self.action == "remove":
parser.set_usage("usage: %prog remove role1 role2 ...")
elif self.action == "list":
parser.set_usage("usage: %prog list [role_name]")
# options that apply to more than one action
if self.action != "init":
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"):
parser.add_option(
'-s', '--server', dest='api_server', default="galaxy.ansible.com",
help='The API server destination')
if self.action in ("init","install"):
parser.add_option(
'-f', '--force', dest='force', action='store_true', default=False,
help='Force overwriting an existing role')
# done, return the parser
options, args = parser.parse_args()
if len(args) == 0 or len(args) > 1:
parser.print_help()
sys.exit(1)
display.verbosity = options.verbosity
return (options, args)
def run(options, args):
# execute the desired action
fn = getattr(self, "execute_%s" % self.action)
fn(args, options)
def get_opt(options, k, defval=""):
"""
Returns an option from an Optparse values instance.
"""
try:
data = getattr(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(options, rc=1):
"""
Exits with the specified return code unless the
option --ignore-errors was specified
"""
if not get_opt(options, "ignore_errors", False):
print '- you can use --ignore-errors to skip failed roles.'
sys.exit(rc)
def execute_init(args, options, parser):
"""
Executes the init action, which creates the skeleton framework
of a role that complies with the galaxy metadata format.
"""
init_path = get_opt(options, 'init_path', './')
api_server = get_opt(options, "api_server", "galaxy.ansible.com")
force = get_opt(options, 'force', False)
offline = get_opt(options, 'offline', False)
if not offline:
api_config = api_get_config(api_server)
if not api_config:
print "- the API server (%s) is not responding, please try again later." % api_server
sys.exit(1)
try:
role_name = args.pop(0).strip()
if role_name == "":
raise Exception("")
role_path = os.path.join(init_path, role_name)
if os.path.exists(role_path):
if os.path.isfile(role_path):
print "- the path %s already exists, but is a file - aborting" % role_path
sys.exit(1)
elif not force:
print "- the directory %s already exists." % role_path
print " 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."
sys.exit(1)
except Exception, e:
parser.print_help()
print "- no role name specified for init"
sys.exit(1)
ROLE_DIRS = ('defaults','files','handlers','meta','tasks','templates','vars')
# 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(default_readme_template)
f.close
for dir in 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:
platforms = api_get_list(api_server, "platforms") or []
categories = []
if not offline:
categories = api_get_list(api_server, "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(default_meta_template).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()
print "- %s was created successfully" % role_name
def execute_info(args, options, parser):
"""
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(args) == 0:
# the user needs to specify a role
parser.print_help()
print "- you must specify a user/role name"
sys.exit(1)
api_server = get_opt(options, "api_server", "galaxy.ansible.com")
api_config = api_get_config(api_server)
roles_path = get_opt(options, "roles_path")
for role in args:
role_info = {}
install_info = get_galaxy_install_info(role, options)
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 = api_lookup_role_by_name(api_server, role, False)
if remote_data:
role_info.update(remote_data)
metadata = get_role_metadata(role, options)
if metadata:
role_info.update(metadata)
role_spec = ansible.utils.role_spec_parse(role)
if role_spec:
role_info.update(role_spec)
if role_info:
print "- %s:" % (role)
for k in sorted(role_info.keys()):
if k in SKIP_INFO_KEYS:
continue
if isinstance(role_info[k], dict):
print "\t%s: " % (k)
for key in sorted(role_info[k].keys()):
if key in SKIP_INFO_KEYS:
continue
print "\t\t%s: %s" % (key, role_info[k][key])
else:
print "\t%s: %s" % (k, role_info[k])
else:
print "- the role %s was not found" % role
def execute_install(args, options, parser):
"""
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 = get_opt(options, "role_file", None)
if len(args) == 0 and role_file is None:
# the user needs to specify one of either --role-file
# or specify a single user/role name
parser.print_help()
print "- you must specify a user/role name or a roles file"
sys.exit()
elif len(args) == 1 and not role_file is None:
# using a role file is mutually exclusive of specifying
# the role name on the command line
parser.print_help()
print "- please specify a user/role name, or a roles file, but not both"
sys.exit(1)
api_server = get_opt(options, "api_server", "galaxy.ansible.com")
no_deps = get_opt(options, "no_deps", False)
roles_path = get_opt(options, "roles_path")
roles_done = []
if role_file:
f = open(role_file, 'r')
if role_file.endswith('.yaml') or role_file.endswith('.yml'):
roles_left = map(ansible.utils.role_yaml_parse, yaml.safe_load(f))
else:
# roles listed in a file, one per line
roles_left = map(ansible.utils.role_spec_parse, f.readlines())
f.close()
else:
# roles were specified directly, so we'll just go out grab them
# (and their dependencies, unless the user doesn't want us to).
roles_left = map(ansible.utils.role_spec_parse, args)
while len(roles_left) > 0:
# query the galaxy API for the role data
role_data = None
role = roles_left.pop(0)
role_src = role.get("src")
role_scm = role.get("scm")
role_path = role.get("path")
if role_path:
options.roles_path = role_path
else:
options.roles_path = roles_path
if 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.get("version"), role.get("name"))
elif '://' in role_src:
# just download a URL - version will probably be in the URL
tmp_file = fetch_role(role_src, None, None, options)
else:
# installing from galaxy
api_config = api_get_config(api_server)
if not api_config:
print "- the API server (%s) is not responding, please try again later." % api_server
sys.exit(1)
role_data = api_lookup_role_by_name(api_server, role_src)
if not role_data:
print "- sorry, %s was not found on %s." % (role_src, api_server)
exit_without_ignore(options)
continue
role_versions = api_fetch_role_related(api_server, 'versions', role_data['id'])
if "version" not in role or 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]:
print 'role is %s' % role
print "- the specified version (%s) was not found in the list of available versions (%s)." % (role['version'], role_versions)
exit_without_ignore(options)
continue
# download the role. if --no-deps was specified, we stop here,
# otherwise we recursively grab roles and all of their deps.
tmp_file = fetch_role(role_src, role["version"], role_data, options)
installed = False
if tmp_file:
installed = install_role(role.get("name"), role.get("version"), tmp_file, options)
# 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 = get_role_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:
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:
print '- adding dependency: %s' % dep["name"]
roles_left.append(dep)
else:
print '- dependency %s already pending installation.' % dep["name"]
else:
print '- dependency %s is already installed, skipping.' % dep["name"]
if not tmp_file or not installed:
print "- %s was NOT installed successfully." % role.get("name")
exit_without_ignore(options)
sys.exit(0)
def execute_remove(args, options, parser):
"""
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(args) == 0:
parser.print_help()
print '- you must specify at least one role to remove.'
sys.exit()
for role in args:
if get_role_metadata(role, options):
if remove_role(role, options):
print '- successfully removed %s' % role
else:
print "- failed to remove role: %s" % role
else:
print '- %s is not installed, skipping.' % role
sys.exit(0)
def execute_list(args, options, parser):
"""
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(args) > 1:
print "- please specify only one role to list, or specify no roles to see a full list"
sys.exit(1)
if len(args) == 1:
# show only the request role, if it exists
role_name = args[0]
metadata = get_role_metadata(role_name, options)
if metadata:
install_info = get_galaxy_install_info(role_name, options)
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
print "- %s, %s" % (role_name, version)
else:
print "- the role %s was not found" % role_name
else:
# show all valid roles in the roles_path directory
roles_path = get_opt(options, 'roles_path')
roles_path = os.path.expanduser(roles_path)
if not os.path.exists(roles_path):
parser.print_help()
print "- the path %s does not exist. Please specify a valid path with --roles-path" % roles_path
sys.exit(1)
elif not os.path.isdir(roles_path):
print "- %s exists, but it is not a directory. Please specify a valid path with --roles-path" % roles_path
parser.print_help()
sys.exit(1)
path_files = os.listdir(roles_path)
for path_file in path_files:
if get_role_metadata(path_file, options):
install_info = get_galaxy_install_info(path_file, options)
version = None
if install_info:
version = install_info.get("version", None)
if not version:
version = "(unknown version)"
print "- %s, %s" % (path_file, version)
sys.exit(0)
#-------------------------------------------------------------------------------------
# The main entry point
#-------------------------------------------------------------------------------------
#def main():
# # parse the CLI options
# action = get_action(sys.argv)
# parser = build_option_parser(action)
# (options, args) = parser.parse_args()
#
# # execute the desired action
# if 1: #try:
# fn = globals()["execute_%s" % action]
# fn(args, options, parser)
# #except KeyError, e:
# # print "- error: %s is not a valid action. Valid actions are: %s" % (action, ", ".join(VALID_ACTIONS))
# # sys.exit(1)
if __name__ == '__main__':
display = Display()
try:
cli = Cli(display=display)
cli.set_action(sys.argv)
(options, args) = cli.parse()
sys.exit(cli.run(options, args))
except AnsibleError as e:
display.error(str(e))
sys.exit(1)
except KeyboardInterrupt:
display.error("interrupted")
sys.exit(1)