Some minor refactoring of playbook code, more to go.

pull/3/head
Michael DeHaan 12 years ago
parent c57df6220b
commit 0d7a84d591

@ -17,6 +17,7 @@
import ansible.runner
import ansible.constants as C
from ansible.utils import *
import yaml
import shlex
@ -94,6 +95,27 @@ class PlayBook(object):
}
return results
def _prune_failed_hosts(self, host_list):
new_hosts = []
for x in host_list:
if not self.failures.has_key(x) and not self.dark.has_key(x):
new_hosts.append(x)
return new_hosts
def _run_module(self, pattern, module, args, hosts, remote_user):
''' run a particular module step in a playbook '''
return ansible.runner.Runner(
pattern=pattern,
module_name=module,
module_args=args,
host_list=hosts,
forks=self.forks,
remote_pass=self.remote_pass,
module_path=self.module_path,
timeout=self.timeout,
remote_user=remote_user
).run()
def _run_task(self, pattern=None, task=None, host_list=None,
remote_user=None, handlers=None, conditional=False):
'''
@ -109,14 +131,9 @@ class PlayBook(object):
(host_list, groups) = ansible.runner.Runner.parse_hosts(host_list)
# do not continue to run tasks on hosts that have had failures
new_hosts = []
for x in host_list:
if not self.failures.has_key(x) and not self.dark.has_key(x):
new_hosts.append(x)
host_list = new_hosts
host_list = self._prune_failed_hosts(host_list)
# load the module name and parameters from the task
# entry
# load the module name and parameters from the task entry
name = task['name']
action = task['action']
comment = task.get('comment', '')
@ -131,26 +148,11 @@ class PlayBook(object):
# of all of the hosts
if self.verbose:
if not conditional:
print "\nTASK: %s" % (name)
else:
print "\nNOTIFIED: %s" % (name)
print task_start_msg(name, conditional)
# load up an appropriate ansible runner to
# run the task in parallel
runner = ansible.runner.Runner(
pattern=pattern,
module_name=module_name,
module_args=module_args,
host_list=host_list,
forks=self.forks,
remote_pass=self.remote_pass,
module_path=self.module_path,
timeout=self.timeout,
remote_user=remote_user
)
results = runner.run()
results = self._run_module(pattern, module_name, module_args, host_list, remote_user)
# if no hosts are matched, carry on, unlike /bin/ansible
# which would warn you about this
@ -161,9 +163,9 @@ class PlayBook(object):
# summary information about successes and
# failures. TODO: split into subfunction
dark = results.get("dark", {})
dark = results.get("dark", {})
contacted = results.get("contacted", {})
ok_hosts = contacted.keys()
ok_hosts = contacted.keys()
for host, msg in dark.items():
self.processed[host] = 1
@ -176,23 +178,17 @@ class PlayBook(object):
for host, results in contacted.items():
self.processed[host] = 1
failed = False
if module_name == "command":
if results.get("rc", 0) != 0:
failed=True
elif results.get("failed", 0) == 1:
failed=True
if failed:
if is_failed(results):
if self.verbose:
print "failure: [%s] => %s" % (host, results)
print "failed: [%s] => %s\n" % (host, smjson(results))
if not self.failures.has_key(host):
self.failures[host] = 1
else:
self.failures[host] = self.failures[host] + 1
else:
if self.verbose:
print "ok: [%s]" % host
print "ok: [%s]\n" % host
if not self.invocations.has_key(host):
self.invocations[host] = 1
else:
@ -250,7 +246,7 @@ class PlayBook(object):
self.host_list, groups = ansible.runner.Runner.parse_hosts(host_file)
if self.verbose:
print "PLAY: [%s] ********** " % (pattern)
print "PLAY [%s] ****************************************\n" % pattern
# run all the top level tasks, these get run on every node

@ -36,20 +36,26 @@ def exit(msg, rc=1):
err(msg)
sys.exit(rc)
def _bigjson(result):
def bigjson(result):
''' format JSON output (uncompressed) '''
return json.dumps(result, sort_keys=True, indent=4)
def _json(result):
def smjson(result):
''' format JSON output (compressed) '''
return json.dumps(result, sort_keys=True)
def task_start_msg(name, conditional):
if conditional:
return "NOTIFIED: [%s] **********\n" % name
else:
return "TASK: [%s] *********\n" % name
def regular_generic_msg(hostname, result, oneline, caption):
''' output on the result of a module run that is not command '''
if not oneline:
return "%s | %s >>\n%s" % (hostname, caption, _bigjson(result))
return "%s | %s >>\n%s" % (hostname, caption, bigjson(result))
else:
return "%s | %s >> %s" % (hostname, caption, _json(result))
return "%s | %s >> %s" % (hostname, caption, smjson(result))
def regular_success_msg(hostname, result, oneline):
''' output the result of a successful module run '''

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