#!/usr/bin/env python ######################################################################## # # (C) 2013, James Cammarata # # 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 . # ######################################################################## 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, AnsibleOptionsError from ansible.galaxy import Galaxy from ansible.galaxy.api import GalaxyAPI from ansible.galaxy.role import GalaxyRole from ansible.utils.display import Display from ansible.utils.cli import CLI 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 ''' usage = "usage: %%prog [%s] [--help] [options] ..." % "|".join(self.VALID_ACTIONS) epilog = "\nSee '%s --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) self.parser = parser 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="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.galaxy = Galaxy(self.options, self.display) if len(self.args) != 1: raise AnsibleOptionsError("Missing arguments") return True def run(self): #self.display.verbosity = self.options.verbosity api_server = self.get_opt("api_server", "galaxy.ansible.com") # if not offline, get connect to galaxy api if self.action == 'init' and not self.options.offline: 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): self.display.error('- you can use --ignore-errors to skip failed tasks/roles.') return rc 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(default_readme_template) f.close for dir in self.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(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(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 = {} 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 = self.api.lookup_role_by_name(role, False) if remote_data: role_info.update(remote_data) metadata = get_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(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 = [] 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(gr.get_spec, 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(gr.get_spec, self.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: role_data = self.api.lookup_role_by_name(role_src) if not role_data: print "- sorry, %s was not found on %s." % (role_src, self.options.api_server) exit_without_ignore(options) continue role_versions = self.api.fetch_role_related('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 = 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: 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) 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 in self.args: if get_role_metadata(role, options): if remove_role(role, options): self.display.display('- successfully removed %s' % role) else: self.display.display("- failed to remove role: %s" % role) else: self.display.display('- %s is not installed, skipping.' % role) 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 role_name = self.args[0] gr = GalaxyRole(self.galaxy, role_name) metadata = gr.get_metadata() if metadata: install_info = gr.get_galaxy_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" % (role_name, version)) else: self.display.display("- the role %s was not found" % role_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: 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)" self.display.display("- %s, %s" % (path_file, version)) return 0 #------------------------------------------------------------------------------------- # The main entry point #------------------------------------------------------------------------------------- if __name__ == '__main__': display = Display() try: cli = GalaxyCLI(sys.argv, display=display) cli.parse() sys.exit(cli.run()) except AnsibleOptionsError as e: cli.parser.print_help() display.display(str(e), stderr=True, color='red') sys.exit(1) except AnsibleError as e: display.display(str(e), stderr=True, color='red') sys.exit(2) except KeyboardInterrupt: display.error("interrupted") sys.exit(3)