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Reorder functions into a logical sequence based on usage

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There are no code changes; this is committed separately so as to make
the subsequent "real" diffs easier to read.
This commit is contained in:
Abhijit Menon-Sen 2015-08-23 13:40:42 +05:30
parent d9086ab46b
commit 704c3815d3
1 changed files with 56 additions and 57 deletions
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113
lib/ansible/inventory/__init__.py
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@ -136,48 +136,6 @@ class Inventory(object):
for host in self.get_hosts():
host.vars = combine_vars(host.vars, self.get_host_variables(host.name))
def _match(self, str, pattern_str):
try:
if pattern_str.startswith('~'):
return re.search(pattern_str[1:], str)
else:
return fnmatch.fnmatch(str, pattern_str)
except Exception, e:
raise AnsibleError('invalid host pattern: %s' % pattern_str)
def _match_list(self, items, item_attr, pattern_str):
results = []
try:
if not pattern_str.startswith('~'):
pattern = re.compile(fnmatch.translate(pattern_str))
else:
pattern = re.compile(pattern_str[1:])
except Exception, e:
raise AnsibleError('invalid host pattern: %s' % pattern_str)
for item in items:
if pattern.match(getattr(item, item_attr)):
results.append(item)
return results
def _split_pattern(self, pattern):
"""
takes e.g. "webservers[0:5]:dbservers:others"
and returns ["webservers[0:5]", "dbservers", "others"]
"""
term = re.compile(
r'''(?: # We want to match something comprising:
[^:\[\]] # (anything other than ':', '[', or ']'
| # ...or...
\[[^\]]*\] # a single complete bracketed expression)
)* # repeated as many times as possible
''', re.X
)
return [x for x in term.findall(pattern) if x]
def get_hosts(self, pattern="all"):
"""
Takes a pattern or list of patterns and returns a list of matching
@ -201,12 +159,29 @@ class Inventory(object):
subset = self._evaluate_patterns(self._subset)
hosts = [ h for h in hosts if h in subset ]
# exclude hosts mentioned in any restriction (ex: failed hosts)
# exclude hosts mentioned in any restriction
if self._restriction is not None:
hosts = [ h for h in hosts if h in self._restriction ]
return hosts
def _split_pattern(self, pattern):
"""
takes e.g. "webservers[0:5]:dbservers:others"
and returns ["webservers[0:5]", "dbservers", "others"]
"""
term = re.compile(
r'''(?: # We want to match something comprising:
[^:\[\]] # (anything other than ':', '[', or ']'
| # ...or...
\[[^\]]*\] # a single complete bracketed expression)
)* # repeated as many times as possible
''', re.X
)
return [x for x in term.findall(pattern) if x]
def _evaluate_patterns(self, patterns):
"""
Takes a list of patterns and returns a list of matching host names,
@ -326,20 +301,6 @@ class Inventory(object):
except IndexError:
raise AnsibleError("no hosts matching the pattern '%s' were found" % pat)
def _create_implicit_localhost(self, pattern):
new_host = Host(pattern)
new_host.set_variable("ansible_python_interpreter", sys.executable)
new_host.set_variable("ansible_connection", "local")
new_host.ipv4_address = '127.0.0.1'
ungrouped = self.get_group("ungrouped")
if ungrouped is None:
self.add_group(Group('ungrouped'))
ungrouped = self.get_group('ungrouped')
self.get_group('all').add_child_group(ungrouped)
ungrouped.add_host(new_host)
return new_host
def _hosts_in_unenumerated_pattern(self, pattern):
""" Get all host names matching the pattern """
@ -374,6 +335,44 @@ class Inventory(object):
results.append(new_host)
return results
def _match(self, str, pattern_str):
try:
if pattern_str.startswith('~'):
return re.search(pattern_str[1:], str)
else:
return fnmatch.fnmatch(str, pattern_str)
except Exception, e:
raise AnsibleError('invalid host pattern: %s' % pattern_str)
def _match_list(self, items, item_attr, pattern_str):
results = []
try:
if not pattern_str.startswith('~'):
pattern = re.compile(fnmatch.translate(pattern_str))
else:
pattern = re.compile(pattern_str[1:])
except Exception, e:
raise AnsibleError('invalid host pattern: %s' % pattern_str)
for item in items:
if pattern.match(getattr(item, item_attr)):
results.append(item)
return results
def _create_implicit_localhost(self, pattern):
new_host = Host(pattern)
new_host.set_variable("ansible_python_interpreter", sys.executable)
new_host.set_variable("ansible_connection", "local")
new_host.ipv4_address = '127.0.0.1'
ungrouped = self.get_group("ungrouped")
if ungrouped is None:
self.add_group(Group('ungrouped'))
ungrouped = self.get_group('ungrouped')
self.get_group('all').add_child_group(ungrouped)
ungrouped.add_host(new_host)
return new_host
def clear_pattern_cache(self):
''' called exclusively by the add_host plugin to allow patterns to be recalculated '''
self._pattern_cache = {}