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merge Seth's ansible-command script with ansible proper, so we can do nice output, one line output,

and treeish saving everywhere.

there are probably some quirks here we'll want to refine further later, for instance, we should
be able to do nicer things with "can't contact host tracebacks".
This commit is contained in:
Michael DeHaan 2012-02-28 03:54:41 -05:00
parent d8b5e667d8
commit 281f96b8dd
4 changed files with 108 additions and 163 deletions

View file

@ -25,7 +25,7 @@ import shlex
import ansible.runner import ansible.runner
import ansible.playbook import ansible.playbook
import ansible.constants as C import ansible.constants as C
from ansible.scripts import base_ans_parser from ansible.scripts import base_ans_parser, error_print
class Cli(object): class Cli(object):
@ -38,16 +38,24 @@ class Cli(object):
help="module name to execute", default=C.DEFAULT_MODULE_NAME) help="module name to execute", default=C.DEFAULT_MODULE_NAME)
parser.add_option("-a", "--args", dest="module_args", parser.add_option("-a", "--args", dest="module_args",
help="module arguments", default=C.DEFAULT_MODULE_ARGS) help="module arguments", default=C.DEFAULT_MODULE_ARGS)
parser.add_option('-o', '--one-line', dest='one_line', action='store_true',
help="output results on one line to make grepping easier, however will \
not remove newlines from command output")
parser.add_option('-t', '--tree', dest='output_dest', default=None,
help="if specified, a directory name to save output to, one file per host")
options, args = parser.parse_args() options, args = parser.parse_args()
# TODO: more shell like splitting on module_args would # TODO: more shell like splitting on module_args would
# be a good idea # be a good idea
sshpass = None sshpass = None
if options.askpass: if options.ask_pass:
sshpass = getpass.getpass(prompt="SSH password: ") sshpass = getpass.getpass(prompt="SSH password: ")
return ansible.runner.Runner( self.options = options
runner = ansible.runner.Runner(
module_name=options.module_name, module_name=options.module_name,
module_path=options.module_path, module_path=options.module_path,
module_args=shlex.split(options.module_args), module_args=shlex.split(options.module_args),
@ -58,10 +66,102 @@ class Cli(object):
pattern=options.pattern, pattern=options.pattern,
verbose=True, verbose=True,
) )
return runner
def output(self, results):
# if specifying output destination (aka tree output saves), create the
# directory to output to
options = self.options
# TODO: split into function
if options.output_dest:
if options.output_dest[0] != '/':
options.output_dest = os.path.realpath(os.path.expanduser(options.output_dest))
if not os.path.exists(options.output_dest):
try:
os.makedirs(options.output_dest)
except (IOError, OSError), e:
print >> sys.stderr, "Could not make dir %s: %s" % (options.output_dest, e)
sys.exit(1)
if not os.access(options.output_dest, os.W_OK):
print >> sys.stderr, "Cannot write to path %s" % options.output_dest
sys.exit(1)
# now walk results and print output
module_name = self.options.module_name
for hostname in sorted(results['contacted']):
result = results['contacted'][hostname]
rc = 0
failed = False
stdout = None
stderr = None
traceback = None
error = None
if type(result) == dict:
failed = result.get('failed', 0)
if module_name == 'command':
rc = result.get('rc',0)
stdout = result.get('stdout', '')
stderr = result.get('stderr', '')
traceback = result.get('traceback', '')
error = result.get('error', '')
# detect and show failures, if any
if rc != 0 or failed:
msg = "Error: %s: \n" % hostname
if stdout:
msg += stdout
if stderr:
msg += stderr
if traceback:
msg += traceback
if error:
msg += error
error_print(msg)
continue
if options.one_line:
# try to print everything on one line, but don't strip newlines
# if the command output happend to be too long
if module_name == 'command':
msg = "(stdout) %s" % stdout
if stderr.rstrip() != '':
msg = "(stdout) %s (stderr) %s" % (stdout,stderr)
print "%s | rc=%s | %s" % (
hostname, rc, msg
)
else:
print "%s | %s" % (hostname, result)
else:
# summarize response from command in multiple lines
if module_name == 'command':
buf = ''
buf += "%s | rc=%s >>\n" % (hostname, rc)
buf += stdout
if stderr:
buf += stderr
print buf
if options.output_dest:
path = os.path.join(options.output_dest, hostname)
fd = open(path, "w+")
fd.write(buf)
fd.close()
else:
print "%s >>" % hostname
print json.dumps(result, indent=4, sort_keys=True)
if len(results['dark'].keys()) > 0:
error_print('*** Hosts which could not be contacted or did not respond: ***')
failed_hosts = results['dark'].keys()
for hostname in failed_hosts:
error_print("%s:\n%s\n" % (hostname, results['dark'][hostname]))
print ''
if __name__ == '__main__': if __name__ == '__main__':
cli = Cli()
result = Cli().runner().run() cli.output(cli.runner().run())
print json.dumps(result, sort_keys=True, indent=4)

View file

@ -1,154 +0,0 @@
#!/usr/bin/python -tt
# skvidal, (c) Red Hat, Inc 2012
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.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/>.
#
# TODO: add 'execution time' option output to the output
import sys
import os
import getpass
import ansible.runner
import shlex
from ansible.scripts import base_ans_parser, error_print
def main(args):
# ==================================
# parse options
parser = base_ans_parser()
parser.usage = "ans-command [options] command-to-run"
parser.add_option('-o', '--one-line', dest='one_line', action='store_true',
help="output results on one line to make grepping easier, however will \
not remove newlines from command output")
parser.add_option('-t', '--tree', dest='output_dest', default=None,
help="if specified, a directory name to save output to, one file per host")
options, args = parser.parse_args(args)
# get user's password if not supplied
# TODO: move into lib/ansible/scripts.py (?)
sshpass = None
if options.askpass:
sshpass = getpass.getpass(prompt="SSH password: ")
# if specifying output destination (aka tree output saves), create the
# directory to output to
if options.output_dest:
if options.output_dest[0] != '/':
options.output_dest = os.path.realpath(os.path.expanduser(options.output_dest))
if not os.path.exists(options.output_dest):
try:
os.makedirs(options.output_dest)
except (IOError, OSError), e:
print >> sys.stderr, "Could not make dir %s: %s" % (options.output_dest, e)
sys.exit(1)
if not os.access(options.output_dest, os.W_OK):
print >> sys.stderr, "Cannot write to path %s" % options.output_dest
sys.exit(1)
# if no arguments are specified, error out
if len(args) == 0:
print >> sys.stderr, "Missing argument. What should be executed?"
sys.exit(1)
# make the actual ansible API call
mycmd = ' '.join(args)
runner = ansible.runner.Runner(
module_name='command',
module_path=options.module_path,
module_args=shlex.split(mycmd),
remote_user=options.remote_user,
remote_pass=sshpass,
host_list=options.host_list,
forks=options.forks,
pattern=options.pattern,
verbose=True,
)
results = runner.run()
# walk through results and summarize them neatly
for hostname in sorted(results['contacted']):
result = results['contacted'][hostname]
rc = result.get('rc',0)
failed = result.get('failed', 0)
stdout = result.get('stdout', '')
stderr = result.get('stderr', '')
traceback = result.get('traceback', '')
error = result.get('error', '')
# detect and show failures, if any
if rc != 0 or failed:
msg = "Error: %s: \n" % hostname
msg += stdout
msg += stderr
msg += traceback
msg += error
error_print(msg)
continue
if options.one_line:
# try to print everything on one line, but don't strip newlines
# if the command output happend to be too long
msg = "(stdout) %s" % stdout
if stderr.rstrip() != '':
msg = "(stdout) %s (stderr) %s" % (stdout,stderr)
print "%s | rc=%s | %s" % (
hostname, rc, msg
)
else:
# summarize response from command in multiple lines
buf = ''
buf += "%s | rc=%s >>\n" % (hostname, rc)
buf += stdout
if stderr:
buf += stderr
print buf
if options.output_dest:
path = os.path.join(options.output_dest, hostname)
fd = open(path, "w+")
fd.write(buf)
fd.close()
# print errors for hosts we could not reach
if results['dark']:
print ''
error_print('Hosts which could not be contacted or did not respond:')
failed_hosts = results['dark'].keys()
for hostname in failed_hosts:
error_print("%s:\n%s\n" % (hostname, results['dark'][hostname]))
print ''
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))

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library/ohai Normal file → Executable file
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@ -34,7 +34,6 @@ setup(name='ansible',
], ],
scripts=[ scripts=[
'bin/ansible', 'bin/ansible',
'bin/ansible-command',
'bin/ansible-playbook' 'bin/ansible-playbook'
] ]
) )