#!/usr/bin/env python from __future__ import (absolute_import, division, print_function) __metaclass__ = type import os import stat import sys from ansible import constants as C from ansible.errors import AnsibleError from ansible.executor.playbook_executor import PlaybookExecutor from ansible.inventory import Inventory from ansible.parsing import DataLoader from ansible.parsing.splitter import parse_kv from ansible.playbook import Playbook from ansible.playbook.task import Task from ansible.utils.cli import base_parser, validate_conflicts, normalize_become_options, ask_passwords from ansible.utils.display import Display from ansible.utils.unicode import to_unicode from ansible.utils.vars import combine_vars from ansible.utils.vault import read_vault_file from ansible.vars import VariableManager # Implement an ansible.utils.warning() function later def warning(*args, **kwargs): print(*args, **kwargs) #--------------------------------------------------------------------------------------------------- def main(args): ''' run ansible-playbook operations ''' # create parser for CLI options parser = base_parser( usage = "%prog playbook.yml", connect_opts=True, meta_opts=True, runas_opts=True, subset_opts=True, check_opts=True, diff_opts=True, ) # ansible playbook specific opts parser.add_option('--list-tasks', dest='listtasks', action='store_true', help="list all tasks that would be executed") parser.add_option('--step', dest='step', action='store_true', help="one-step-at-a-time: confirm each task before running") parser.add_option('--start-at-task', dest='start_at', help="start the playbook at the task matching this name") parser.add_option('--list-tags', dest='listtags', action='store_true', help="list all available tags") options, args = parser.parse_args(args) if len(args) == 0: parser.print_help(file=sys.stderr) return 1 validate_conflicts(parser,options) # Note: slightly wrong, this is written so that implicit localhost # Manage passwords sshpass = None becomepass = None vault_pass = None # don't deal with privilege escalation when we don't need to if not options.listhosts and not options.listtasks and not options.listtags: normalize_become_options(options) (sshpass, becomepass, vault_pass) = ask_passwords(options) if options.vault_password_file: # read vault_pass from a file vault_pass = read_vault_file(options.vault_password_file) loader = DataLoader(vault_password=vault_pass) extra_vars = {} for extra_vars_opt in options.extra_vars: extra_vars_opt = to_unicode(extra_vars_opt, errors='strict') if extra_vars_opt.startswith(u"@"): # Argument is a YAML file (JSON is a subset of YAML) data = loader.load_from_file(extra_vars_opt[1:]) elif extra_vars_opt and extra_vars_opt[0] in u'[{': # Arguments as YAML data = loader.load(extra_vars_opt) else: # Arguments as Key-value data = parse_kv(extra_vars_opt) extra_vars = combine_vars(extra_vars, data) # FIXME: this should be moved inside the playbook executor code only_tags = options.tags.split(",") skip_tags = options.skip_tags if options.skip_tags is not None: skip_tags = options.skip_tags.split(",") # initial error check, to make sure all specified playbooks are accessible # before we start running anything through the playbook executor for playbook in args: if not os.path.exists(playbook): raise AnsibleError("the playbook: %s could not be found" % playbook) if not (os.path.isfile(playbook) or stat.S_ISFIFO(os.stat(playbook).st_mode)): raise AnsibleError("the playbook: %s does not appear to be a file" % playbook) # create the variable manager, which will be shared throughout # the code, ensuring a consistent view of global variables variable_manager = VariableManager() variable_manager.set_extra_vars(extra_vars) # create the inventory, and filter it based on the subset specified (if any) inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list=options.inventory) variable_manager.set_inventory(inventory) # (which is not returned in list_hosts()) is taken into account for # warning if inventory is empty. But it can't be taken into account for # checking if limit doesn't match any hosts. Instead we don't worry about # limit if only implicit localhost was in inventory to start with. # # Fix this when we rewrite inventory by making localhost a real host (and thus show up in list_hosts()) no_hosts = False if len(inventory.list_hosts()) == 0: # Empty inventory warning("provided hosts list is empty, only localhost is available") no_hosts = True inventory.subset(options.subset) if len(inventory.list_hosts()) == 0 and no_hosts is False: # Invalid limit raise errors.AnsibleError("Specified --limit does not match any hosts") # create the playbook executor, which manages running the plays # via a task queue manager display = Display() pbex = PlaybookExecutor(playbooks=args, inventory=inventory, variable_manager=variable_manager, loader=loader, display=display, options=options) if options.listhosts: for p in pbex.list_hosts_per_play(): print("\n %s (%s): host count=%d" % (p['name'], p['pattern'], len(p['hosts']))) for host in p['hosts']: print(" %s" % host) sys.exit(0) elif options.listtasks: print('TODO: implement') sys.exit(0) elif options.listtags: print('TODO: implement') sys.exit(0) else: return pbex.run() if __name__ == "__main__": #display(" ", log_only=True) #display(" ".join(sys.argv), log_only=True) #display(" ", log_only=True) try: sys.exit(main(sys.argv[1:])) except AnsibleError as e: #display("ERROR: %s" % e, color='red', stderr=True) print(e) sys.exit(1) except KeyboardInterrupt: #display("ERROR: interrupted", color='red', stderr=True) print("keyboard interrupt") sys.exit(1)