213 lines
7 KiB
Python
Executable file
213 lines
7 KiB
Python
Executable file
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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###############################################################
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import sys
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import os
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import shlex
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from ansible.errors import *
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try:
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import json
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except ImportError:
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import simplejson as json
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###############################################################
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# UTILITY FUNCTIONS FOR COMMAND LINE TOOLS
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###############################################################
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def err(msg):
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''' print an error message to stderr '''
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print >> sys.stderr, msg
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def exit(msg, rc=1):
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''' quit with an error to stdout and a failure code '''
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err(msg)
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sys.exit(rc)
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def bigjson(result):
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''' format JSON output (uncompressed) '''
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return json.dumps(result, sort_keys=True, indent=4)
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def smjson(result):
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''' format JSON output (compressed) '''
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return json.dumps(result, sort_keys=True)
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def task_start_msg(name, conditional):
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if conditional:
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return "NOTIFIED: [%s] **********\n" % name
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else:
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return "TASK: [%s] *********\n" % name
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def regular_generic_msg(hostname, result, oneline, caption):
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''' output on the result of a module run that is not command '''
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if not oneline:
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return "%s | %s >> %s\n" % (hostname, caption, bigjson(result))
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else:
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return "%s | %s >> %s\n" % (hostname, caption, smjson(result))
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def regular_success_msg(hostname, result, oneline):
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''' output the result of a successful module run '''
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return regular_generic_msg(hostname, result, oneline, 'success')
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def regular_failure_msg(hostname, result, oneline):
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''' output the result of a failed module run '''
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return regular_generic_msg(hostname, result, oneline, 'FAILED')
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def command_generic_msg(hostname, result, oneline, caption):
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''' output the result of a command run '''
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rc = result.get('rc', '0')
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stdout = result.get('stdout','')
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stderr = result.get('stderr', '')
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msg = result.get('msg', '')
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if not oneline:
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buf = "%s | %s | rc=%s >>\n" % (hostname, caption, result.get('rc',0))
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if stdout:
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buf += stdout
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if stderr:
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buf += stderr
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if msg:
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buf += msg
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buf += "\n"
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return buf
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else:
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if stderr:
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return "%s | %s | rc=%s | (stdout) %s (stderr) %s\n" % (hostname, caption, rc, stdout, stderr)
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else:
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return "%s | %s | rc=%s | (stdout) %s\n" % (hostname, caption, rc, stdout)
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def command_success_msg(hostname, result, oneline):
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''' output from a successful command run '''
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return command_generic_msg(hostname, result, oneline, 'success')
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def command_failure_msg(hostname, result, oneline):
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''' output from a failed command run '''
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return command_generic_msg(hostname, result, oneline, 'FAILED')
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def write_tree_file(tree, hostname, buf):
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''' write something into treedir/hostname '''
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# TODO: might be nice to append playbook runs per host in a similar way
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# in which case, we'd want append mode.
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path = os.path.join(tree, hostname)
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fd = open(path, "w+")
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fd.write(buf)
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fd.close()
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def is_failed(result):
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''' is a given JSON result a failed result? '''
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failed = False
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rc = 0
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if type(result) == dict:
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failed = result.get('failed', 0)
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rc = result.get('rc', 0)
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if rc != 0:
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return True
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return failed
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def host_report_msg(hostname, module_name, result, oneline):
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''' summarize the JSON results for a particular host '''
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buf = ''
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failed = is_failed(result)
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if module_name in [ 'command', 'shell' ]:
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if not failed:
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buf = command_success_msg(hostname, result, oneline)
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else:
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buf = command_failure_msg(hostname, result, oneline)
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else:
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if not failed:
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buf = regular_success_msg(hostname, result, oneline)
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else:
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buf = regular_failure_msg(hostname, result, oneline)
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return buf
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def dark_hosts_msg(results):
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''' summarize the results of all uncontactable hosts '''
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buf = ''
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if len(results['dark'].keys()) > 0:
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buf += "\n*** Hosts with fatal errors: ***\n"
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for hostname in results['dark'].keys():
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buf += "%s: %s\n" % (hostname, results['dark'][hostname])
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buf += "\n"
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return buf
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def has_dark_hosts(results):
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''' are there any uncontactable hosts? '''
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return len(results['dark'].keys()) > 0
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def contacted_hosts(results):
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''' what are the contactable hosts? '''
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return sorted(results['contacted'])
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def contacted_host_result(results, hostname):
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''' what are the results for a given host? '''
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return results['contacted'][hostname]
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def prepare_writeable_dir(tree):
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''' make sure a directory exists and is writeable '''
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if tree != '/':
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tree = os.path.realpath(os.path.expanduser(tree))
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if not os.path.exists(tree):
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try:
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os.makedirs(tree)
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except (IOError, OSError), e:
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exit("Could not make dir %s: %s" % (tree, e))
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if not os.access(tree, os.W_OK):
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exit("Cannot write to path %s" % tree)
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def path_dwim(basedir, given):
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''' make relative paths work like folks expect '''
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if given.startswith("/"):
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return given
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elif given.startswith("~/"):
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return os.path.expanduser(given)
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else:
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return os.path.join(basedir, given)
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def async_poll_status(jid, host, clock, result):
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if 'finished' in result:
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return "<job %s> finished on %s" % (jid, host)
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elif 'failed' in result:
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return "<job %s> FAILED on %s" % (jid, host)
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else:
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return "<job %s> polling on %s, %s remaining" % (jid, host, clock)
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def parse_json(data):
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try:
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return json.loads(data)
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except:
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# not JSON, but try "Baby JSON" which allows many of our modules to not
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# require JSON and makes writing modules in bash much simpler
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results = {}
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tokens = shlex.split(data)
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for t in tokens:
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if t.find("=") == -1:
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raise AnsibleError("failed to parse: %s" % data)
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(key,value) = t.split("=", 1)
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if key == 'changed' or 'failed':
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if value.lower() in [ 'true', '1' ]:
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value = True
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elif value.lower() in [ 'false', '0' ]:
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value = False
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if key == 'rc':
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value = int(value)
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results[key] = value
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if len(results.keys()) == 0:
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return { "failed" : True, "parsed" : False, "msg" : data }
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return results
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