def __init__(self, host_list=C.DEFAULT_HOST_LIST):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
self.host_list = host_list
# caching to avoid repeated calculations, particularly with
# external inventory scripts.
self._vars_per_host = {}
self._vars_per_group = {}
self._hosts_cache = {}
self._groups_list = {}
# to be set by calling set_playbook_basedir by ansible-playbook
self._playbook_basedir = None
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
self._also_restriction = None
self._subset = None
if isinstance(host_list, basestring):
if "," in host_list:
host_list = host_list.split(",")
host_list = [h for h in host_list if h and h.strip()]
if isinstance(host_list, list):
self.parser = None
all = Group('all')
self.groups = [all]
for x in host_list:
if ":" in x:
tokens = x.split(":", 1)
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
elif os.path.exists(host_list):
if os.path.isdir(host_list):
# Ensure basedir is inside the directory
self.host_list = os.path.join(self.host_list, "")
self.parser = InventoryDirectory(filename=host_list)
self.groups = self.parser.groups.values()
elif utils.is_executable(host_list):
self.parser = InventoryScript(filename=host_list)
self.groups = self.parser.groups.values()
else:
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
utils.plugins.vars_loader.add_directory(self.basedir(),
with_subdir=True)
else:
raise errors.AnsibleError(
"Unable to find an inventory file, specify one with -i ?")
self._vars_plugins = [x for x in utils.plugins.vars_loader.all(self)]
def gen_host_definitions(environment, outputdir=None):
"""
Generates host file suitable for icinga monitoring
Example:
python generate_monitoring_host_file.py --environment prod --outputdir=
"""
ansible_inventory_file = os.path.join(project_dir, 'environs', environment,
'ansible', 'inventory.cfg')
loader = DataLoader()
group_dict = {
'all': Group(name='all'),
'ungrouped': Group(name='ungrouped')
}
parser = InventoryParser(loader=loader,
groups=group_dict,
filename=ansible_inventory_file)
hostname_dict = parser.hosts
hostname_list = hostname_dict.values()
hostnames = {}
for hostname in hostname_list:
x = get_ipaddress(str(hostname))
if x: hostnames[str(hostname)] = x
host_definition = Environment().from_string(host_template).render(
hostnames=hostnames)
project_host_cfg = Path(outputdir, 'project_hosts.cfg')
project_host_cfg = project_host_cfg.expand()
with open(str(project_host_cfg), 'w') as f:
f.write(host_definition)
f.close()
def __init__(self, host_list=C.DEFAULT_HOST_LIST):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
self.host_list = host_list
# caching to avoid repeated calculations, particularly with
# external inventory scripts.
self._vars_per_host = {}
self._vars_per_group = {}
self._hosts_cache = {}
self._groups_list = {}
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
self._also_restriction = None
self._subset = None
if type(host_list) in [ str, unicode ]:
if host_list.find(",") != -1:
host_list = host_list.split(",")
host_list = [ h for h in host_list if h and h.strip() ]
if type(host_list) == list:
self.parser = None
all = Group('all')
self.groups = [ all ]
for x in host_list:
if x.find(":") != -1:
tokens = x.split(":",1)
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
elif os.path.exists(host_list):
if os.path.isdir(host_list):
# Ensure basedir is inside the directory
self.host_list = os.path.join(self.host_list, "")
self.parser = InventoryDirectory(filename=host_list)
self.groups = self.parser.groups.values()
elif utils.is_executable(host_list):
self.parser = InventoryScript(filename=host_list)
self.groups = self.parser.groups.values()
else:
data = file(host_list).read()
if not data.startswith("---"):
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
else:
raise errors.AnsibleError("YAML inventory support is deprecated in 0.6 and removed in 0.7, see the migration script in examples/scripts in the git checkout")
utils.plugins.vars_loader.add_directory(self.basedir(), with_subdir=True)
else:
raise errors.AnsibleError("Unable to find an inventory file, specify one with -i ?")
self._vars_plugins = [ x for x in utils.plugins.vars_loader.all(self) ]
def __init__(self, filename=C.DEFAULT_HOST_LIST):
self.names = os.listdir(filename)
self.names.sort()
self.directory = filename
self.parsers = []
self.hosts = {}
self.groups = {}
for i in self.names:
if i.endswith("~") or i.endswith(".orig") or i.endswith(".bak"):
continue
if i.endswith(".ini"):
# configuration file for an inventory script
continue
if i.endswith(".retry"):
# this file is generated on a failed playbook and should only be
# used when run specifically
continue
# Skip hidden files
if i.startswith('.') and not i.startswith('./'):
continue
# These are things inside of an inventory basedir
if i in ("host_vars", "group_vars", "vars_plugins"):
continue
fullpath = os.path.join(self.directory, i)
if os.path.isdir(fullpath):
parser = InventoryDirectory(filename=fullpath)
elif utils.is_executable(fullpath):
parser = InventoryScript(filename=fullpath)
else:
parser = InventoryParser(filename=fullpath)
self.parsers.append(parser)
# This takes a lot of code because we can't directly use any of the objects, as they have to blend
for name, group in parser.groups.iteritems():
if name not in self.groups:
self.groups[name] = group
else:
# group is already there, copy variables
# note: depth numbers on duplicates may be bogus
for k, v in group.get_variables().iteritems():
self.groups[name].set_variable(k, v)
for host in group.get_hosts():
if host.name not in self.hosts:
self.hosts[host.name] = host
else:
# host is already there, copy variables
# note: depth numbers on duplicates may be bogus
for k, v in host.vars.iteritems():
self.hosts[host.name].set_variable(k, v)
self.groups[name].add_host(self.hosts[host.name])
# This needs to be a second loop to ensure all the parent groups exist
for name, group in parser.groups.iteritems():
for ancestor in group.get_ancestors():
self.groups[ancestor.name].add_child_group(
self.groups[name])
def parse_inventory_file(filename):
"""Get an inventory from an INI file
:param filename: filename
:return: ansible.inventory.ini.InventoryParser
Raise AnsibleError if file is not correctly formatted.
"""
groups = {'ungrouped': Group('ungrouped'), 'all': Group('all')}
inventory = InventoryParser(loader=None, groups=groups, filename=filename)
return inventory
def __init__(self, host_list=C.DEFAULT_HOST_LIST):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
self.host_list = host_list
# caching to avoid repeated calculations, particularly with
# external inventory scripts.
self._vars_per_host = {}
self._vars_per_group = {}
self._hosts_cache = {}
self._groups_list = {}
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
self._also_restriction = None
self._subset = None
# whether the inventory file is a script
self._is_script = False
if type(host_list) in [str, unicode]:
if host_list.find(",") != -1:
host_list = host_list.split(",")
host_list = [h for h in host_list if h and h.strip()]
if type(host_list) == list:
all = Group('all')
self.groups = [all]
for x in host_list:
if x.find(":") != -1:
tokens = x.split(":", 1)
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
elif os.access(host_list, os.X_OK):
self._is_script = True
self.parser = InventoryScript(filename=host_list)
self.groups = self.parser.groups.values()
else:
data = file(host_list).read()
if not data.startswith("---"):
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
else:
raise errors.AnsibleError(
"YAML inventory support is deprecated in 0.6 and removed in 0.7, see the migration script in examples/scripts in the git checkout"
)
def read_inventory_file(inventory_filepath):
res = dict()
hostvars = {}
dl = DataLoader()
inv = InventoryParser(dl, {"ungrouped": Group("ungrouped"),
"all": Group("all")},
inventory_filepath)
for grp in inv.groups:
res[grp] = {'hosts': [], 'vars': {}}
res[grp]['vars'] = inv.groups[grp].vars
for host in inv.groups[grp].hosts:
res[grp]['hosts'].append(host.name)
hostvars[host.name] = host.vars
res["_meta"] = {
"hostvars": hostvars,
}
res["all"] = sorted(hostvars.keys())
return res
def main(opts):
"Launches ansible-playbook and prints his stdout in this process."
p = InventoryParser('hosts')
dir = p.groups['all'].vars['target_build_dir']
if validate_target_dir(dir):
if opts.view == True:
if opts.clean == True:
cmd_list.append('deploytolocal.yml')
else:
cmd_list.append('viewtolocal.yml')
else:
if opts.clean == True:
cmd_list.append('deploy.yml')
else:
cmd_list.append('install.yml')
proc = subprocess.Popen(cmd_list)
proc.communicate()
else:
print "target_build_dir %s is not valid" % dir
def __init__(self, host_list=C.DEFAULT_HOST_LIST):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
self.host_list = host_list
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
# whether the inventory file is a script
self._is_script = False
if type(host_list) in [str, unicode]:
if host_list.find(",") != -1:
host_list = host_list.split(",")
if type(host_list) == list:
all = Group('all')
self.groups = [all]
for x in host_list:
if x.find(":") != -1:
tokens = x.split(":", 1)
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
elif os.access(host_list, os.X_OK):
self._is_script = True
self.parser = InventoryScript(filename=host_list)
self.groups = self.parser.groups.values()
else:
data = file(host_list).read()
if not data.startswith("---"):
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
else:
self.parser = InventoryParserYaml(filename=host_list)
self.groups = self.parser.groups.values()
def __init__(self, filename=C.DEFAULT_HOST_LIST):
self.names = os.listdir(filename)
self.names.sort()
self.directory = filename
self.parsers = []
self.hosts = {}
self.groups = {}
for i in self.names:
if i.endswith("~") or i.endswith(".orig") or i.endswith(".bak"):
continue
# These are things inside of an inventory basedir
if i in ("host_vars", "group_vars", "vars_plugins"):
continue
fullpath = os.path.join(self.directory, i)
if os.path.isdir(fullpath):
parser = InventoryDirectory(filename=fullpath)
elif utils.is_executable(fullpath):
parser = InventoryScript(filename=fullpath)
else:
parser = InventoryParser(filename=fullpath)
self.parsers.append(parser)
# This takes a lot of code because we can't directly use any of the objects, as they have to blend
for name, group in parser.groups.iteritems():
if name not in self.groups:
self.groups[name] = Group(name)
for k, v in group.get_variables().iteritems():
self.groups[name].set_variable(k, v)
for host in group.get_hosts():
if host.name not in self.hosts:
self.hosts[host.name] = Host(host.name)
for k, v in host.vars.iteritems():
self.hosts[host.name].set_variable(k, v)
self.groups[name].add_host(self.hosts[host.name])
# This needs to be a second loop to ensure all the parent groups exist
for name, group in parser.groups.iteritems():
for ancestor in group.get_ancestors():
self.groups[ancestor.name].add_child_group(self.groups[name])
def __init__(self, filename=C.DEFAULT_HOST_LIST):
self.names = os.listdir(filename)
self.names.sort()
self.directory = filename
self.parsers = []
self.hosts = {}
self.groups = {}
for i in self.names:
if i.endswith("~") or i.endswith(".orig") or i.endswith(".bak"):
continue
if i.endswith(".ini"):
# configuration file for an inventory script
continue
if i.endswith(".retry"):
# this file is generated on a failed playbook and should only be
# used when run specifically
continue
# Skip hidden files
if i.startswith('.') and not i.startswith('./'):
continue
# These are things inside of an inventory basedir
if i in ("host_vars", "group_vars", "vars_plugins"):
continue
fullpath = os.path.join(self.directory, i)
if os.path.isdir(fullpath):
parser = InventoryDirectory(filename=fullpath)
elif utils.is_executable(fullpath):
parser = InventoryScript(filename=fullpath)
else:
parser = InventoryParser(filename=fullpath)
self.parsers.append(parser)
# retrieve all groups and hosts form the parser and add them to
# self, don't look at group lists yet, to avoid
# recursion trouble, but just make sure all objects exist in self
newgroups = parser.groups.values()
for group in newgroups:
for host in group.hosts:
self._add_host(host)
for group in newgroups:
self._add_group(group)
# now check the objects lists so they contain only objects from
# self; membership data in groups is already fine (except all &
# ungrouped, see later), but might still reference objects not in self
for group in self.groups.values():
# iterate on a copy of the lists, as those lists get changed in
# the loop
# list with group's child group objects:
for child in group.child_groups[:]:
if child != self.groups[child.name]:
group.child_groups.remove(child)
group.child_groups.append(self.groups[child.name])
# list with group's parent group objects:
for parent in group.parent_groups[:]:
if parent != self.groups[parent.name]:
group.parent_groups.remove(parent)
group.parent_groups.append(self.groups[parent.name])
# list with group's host objects:
for host in group.hosts[:]:
if host != self.hosts[host.name]:
group.hosts.remove(host)
group.hosts.append(self.hosts[host.name])
# also check here that the group that contains host, is
# also contained in the host's group list
if group not in self.hosts[host.name].groups:
self.hosts[host.name].groups.append(group)
# extra checks on special groups all and ungrouped
# remove hosts from 'ungrouped' if they became member of other groups
if 'ungrouped' in self.groups:
ungrouped = self.groups['ungrouped']
# loop on a copy of ungrouped hosts, as we want to change that list
for host in ungrouped.hosts[:]:
if len(host.groups) > 1:
host.groups.remove(ungrouped)
ungrouped.hosts.remove(host)
# remove hosts from 'all' if they became member of other groups
# all should only contain direct children, not grandchildren
# direct children should have dept == 1
if 'all' in self.groups:
allgroup = self.groups['all']
# loop on a copy of all's child groups, as we want to change that list
for group in allgroup.child_groups[:]:
# groups might once have beeen added to all, and later be added
# to another group: we need to remove the link wit all then
if len(group.parent_groups) > 1:
# real children of all have just 1 parent, all
# this one has more, so not a direct child of all anymore
group.parent_groups.remove(allgroup)
allgroup.child_groups.remove(group)
elif allgroup not in group.parent_groups:
# this group was once added to all, but doesn't list it as
# a parent any more; the info in the group is the correct
# info
allgroup.child_groups.remove(group)
def get_hosts(hostfile, pattern):
inventory = InventoryParser(hostfile)
hosts = inventory.groups.get(pattern)
return hosts
def __init__(self, filename=C.DEFAULT_HOST_LIST):
'''
InventoryDirectory基类，包含以下属性：
names，当前目录下的文件名称列表
directory, 目录名
parsers，解析器列表，每一个文件解析成一个parser
hosts，主机对象字典
groups，组对象字典
'''
# os.listdir函数用来列出当前目录下的所有文件
self.names = os.listdir(filename)
self.names.sort()
self.directory = filename
self.parsers = []
self.hosts = {}
self.groups = {}
for i in self.names: # 变量该目录下所有文件
# Skip files that end with certain extensions or characters
# 跳过带有特定扩展名或字符结尾的文件
if any(i.endswith(ext) for ext in ("~", ".orig", ".bak", ".ini", ".retry", ".pyc", ".pyo")):
continue
# Skip hidden files
# 跳过隐藏文件
if i.startswith('.') and not i.startswith('./'):
continue
# These are things inside of an inventory basedir
# 跳过可能包含变量值的文件
if i in ("host_vars", "group_vars", "vars_plugins"):
continue
fullpath = os.path.join(self.directory, i)
if os.path.isdir(fullpath): # 如果该文件仍然是一个目录，则生成一个当前类对象的Parser（嵌套处理）
parser = InventoryDirectory(filename=fullpath)
elif utils.is_executable(fullpath): # 如果文件是一个可执行文件，则创建一个InventoryScript类的Parser
parser = InventoryScript(filename=fullpath)
else:
parser = InventoryParser(filename=fullpath) # 如果文件是一个普通文件，则使用InventoryParser类的parser
self.parsers.append(parser) # 将parser加入self.parsers的列表中
# retrieve all groups and hosts form the parser and add them to
# self, don't look at group lists yet, to avoid
# recursion trouble, but just make sure all objects exist in self
newgroups = parser.groups.values() # 获取当前parser的groups列表
for group in newgroups:
for host in group.hosts: # 遍历每个group对象的hosts对象列表，将host对象添加到self.hosts字典中。
self._add_host(host) # 添加host可能出现在多个文件返回结果中具有相同hostname的情况，需要进行合并。
for group in newgroups: # 将groups列表中的group加到self.groups字典中，为什么不在上一个循环中一次性搞定。。。
self._add_group(group) # 添加group，可能出现group重复的情况，需要进行合并
# now check the objects lists so they contain only objects from
# self; membership data in groups is already fine (except all &
# ungrouped, see later), but might still reference objects not in self
# 所有group都添加完成后还要做一些检测，包括子组，父组，host
# 如果self.groups和self.hosts中的group对象和host对象出现名称相同，但对象不同的，都需要以self.groups和self.hosts中为准
for group in self.groups.values():
# iterate on a copy of the lists, as those lists get changed in
# the loop
# list with group's child group objects:
for child in group.child_groups[:]: # a和a[:]有什么区别，干嘛多写3个字符
if child != self.groups[child.name]:
group.child_groups.remove(child)
group.child_groups.append(self.groups[child.name])
# list with group's parent group objects:
for parent in group.parent_groups[:]:
if parent != self.groups[parent.name]:
group.parent_groups.remove(parent)
group.parent_groups.append(self.groups[parent.name])
# list with group's host objects:
for host in group.hosts[:]:
if host != self.hosts[host.name]:
group.hosts.remove(host)
group.hosts.append(self.hosts[host.name])
# also check here that the group that contains host, is
# also contained in the host's group list
if group not in self.hosts[host.name].groups:
self.hosts[host.name].groups.append(group)
# extra checks on special groups all and ungrouped
# remove hosts from 'ungrouped' if they became member of other groups
# 检测ungrouped组
if 'ungrouped' in self.groups:
ungrouped = self.groups['ungrouped']
# loop on a copy of ungrouped hosts, as we want to change that list
for host in ungrouped.hosts[:]:
if len(host.groups) > 1:
host.groups.remove(ungrouped)
ungrouped.hosts.remove(host)
# remove hosts from 'all' if they became member of other groups
# all should only contain direct children, not grandchildren
# direct children should have dept == 1
# 对all组的检测
if 'all' in self.groups:
allgroup = self.groups['all' ]
# loop on a copy of all's child groups, as we want to change that list
for group in allgroup.child_groups[:]: # 遍历allgroup中的所有group对象
# groups might once have beeen added to all, and later be added
# to another group: we need to remove the link wit all then
if len(group.parent_groups) > 1 and allgroup in group.parent_groups:
# 如果当前group的父组数量大于1，并且allgroup是他的父组,则表名该组不是allgroup的子组
# all group的子组必须只有all一个父组
# real children of all have just 1 parent, all
# this one has more, so not a direct child of all anymore
group.parent_groups.remove(allgroup)
allgroup.child_groups.remove(group)
elif allgroup not in group.parent_groups: # 以group的父组信息为准进行数据清理
# this group was once added to all, but doesn't list it as
# a parent any more; the info in the group is the correct
# info
allgroup.child_groups.remove(group)
import os
from ansible.inventory.ini import InventoryParser
def parseCmdLineArgs():
""" Command line parsing and validation """
if sys.argv < 2:
logging.error('Please provide a ini file name')
sys.exit(1)
iniFile = sys.argv[1]
if not os.path.isfile(iniFile):
logging.error('Ini File does not exists: %s' % (iniFile))
sys.exit(1)
return iniFile
if __name__ == '__main__':
iniFile = parseCmdLineArgs()
ini = InventoryParser(iniFile)
for name in ini.hosts:
print 'Host %s' % (name)
vars = ini.hosts[name].get_variables()
for var in vars:
# filter out variables with _. Ansible adds variables like ansible_hostname.
# SSH does not have any keyword with the underscore
if not '_' in var:
print " %s %s" % (var, vars[var])
# used when run specifically
>>>>>>> remote
continue
# Skip hidden files
if i.startswith('.') and not i.startswith('./'):
continue
# These are things inside of an inventory basedir
if i in ("host_vars", "group_vars", "vars_plugins"):
continue
fullpath = os.path.join(self.directory, i)
if os.path.isdir(fullpath):
parser = InventoryDirectory(filename=fullpath)
elif utils.is_executable(fullpath):
parser = InventoryScript(filename=fullpath)
else:
parser = InventoryParser(filename=fullpath)
self.parsers.append(parser)
# retrieve all groups and hosts form the parser and add them to
# self, don't look at group lists yet, to avoid
# recursion trouble, but just make sure all objects exist in self
newgroups = parser.groups.values()
for group in newgroups:
for host in group.hosts:
self._add_host(host)
for group in newgroups:
self._add_group(group)
# now check the objects lists so they contain only objects from
# self; membership data in groups is already fine (except all &
# ungrouped, see later), but might still reference objects not in self
def __init__(self, host_list=C.DEFAULT_HOST_LIST, vault_password=None):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
# host_list 有很多中类型
self.host_list = host_list
self._vault_password = vault_password
# caching to avoid repeated calculations, particularly with
# external inventory scripts.
# 缓存一些数据以避免重复计算，特别是使用外部库存脚本。
self._vars_per_host = {} # 每个主机变量
self._vars_per_group = {} # 每个group 变量
self._hosts_cache = {} # 主机列表缓存
self._groups_list = {} # group 列表缓存
self._pattern_cache = {} # pattern 模式缓存
# to be set by calling set_playbook_basedir by playbook code
self._playbook_basedir = None
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
self._also_restriction = None
self._subset = None
# 如果host_list是字符串，则根据逗号进行分隔成列表
if isinstance(host_list, basestring):
if "," in host_list:
host_list = host_list.split(",")
host_list = [h for h in host_list if h and h.strip()]
if host_list is None:
self.parser = None
# 如果host_list是列表，创建一个all group，并将host加入all group，支持IPV6
elif isinstance(host_list, list):
self.parser = None
all = Group('all')
self.groups = [all]
ipv6_re = re.compile('\[([a-f:A-F0-9]*[%[0-z]+]?)\](?::(\d+))?')
for x in host_list:
m = ipv6_re.match(x)
if m:
all.add_host(Host(m.groups()[0], m.groups()[1]))
else:
if ":" in x:
tokens = x.rsplit(":", 1)
# if there is ':' in the address, then this is an ipv6
if ':' in tokens[0]:
all.add_host(Host(x))
else:
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
# 如果host_list是文件或文件夹
elif os.path.exists(host_list):
if os.path.isdir(host_list):
# Ensure basedir is inside the directory
# 如果host_list是目录parser使用 InventoryDirectory 目录解析
self.host_list = os.path.join(self.host_list, "")
self.parser = InventoryDirectory(filename=host_list)
self.groups = self.parser.groups.values()
else:
# check to see if the specified file starts with a
# shebang (#!/), so if an error is raised by the parser
# class we can show a more apropos error
# 如果host_list是文件，则判断文件是否以shebang开头
shebang_present = False
try:
inv_file = open(host_list)
first_line = inv_file.readlines()[0]
inv_file.close()
if first_line.startswith('#!'):
shebang_present = True
except:
pass
if utils.is_executable(host_list):
try:
# 如果host_list是可执行文件，parser使用InventoryScript解析
self.parser = InventoryScript(filename=host_list)
self.groups = self.parser.groups.values()
except:
if not shebang_present:
raise errors.AnsibleError("The file %s is marked as executable, but failed to execute correctly. " % host_list + \
"If this is not supposed to be an executable script, correct this with `chmod -x %s`." % host_list)
else:
raise
else:
try:
# 如果host_list是普通文本文件，parser使用 InventoryParser 解析
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
except:
if shebang_present:
raise errors.AnsibleError("The file %s looks like it should be an executable inventory script, but is not marked executable. " % host_list + \
"Perhaps you want to correct this with `chmod +x %s`?" % host_list)
else:
raise
utils.plugins.vars_loader.add_directory(self.basedir(),
with_subdir=True)
else:
raise errors.AnsibleError(
"Unable to find an inventory file, specify one with -i ?")
self._vars_plugins = [x for x in utils.plugins.vars_loader.all(self)
] # 加载vars plugin，这里先跳过
# get group vars from group_vars/ files and vars plugins
# 从group_vars/ 目录的文件和vars plugins中获取group 变量
for group in self.groups:
group.vars = utils.combine_vars(
group.vars,
self.get_group_variables(group.name,
vault_password=self._vault_password))
# get host vars from host_vars/ files and vars plugins
# 从host_vars/ 目录的文件和vars plugins中获取host变量
for host in self.get_hosts():
host.vars = utils.combine_vars(
host.vars,
self.get_host_variables(host.name,
vault_password=self._vault_password))
def __init__(self, loader, variable_manager, host_list=C.DEFAULT_HOST_LIST):
# the host file file, or script path, or list of hosts
# if a list, inventory data will NOT be loaded
self.host_list = host_list
self._loader = loader
self._variable_manager = variable_manager
# caching to avoid repeated calculations, particularly with
# external inventory scripts.
self._vars_per_host = {}
self._vars_per_group = {}
self._hosts_cache = {}
self._groups_list = {}
self._pattern_cache = {}
# to be set by calling set_playbook_basedir by playbook code
self._playbook_basedir = None
# the inventory object holds a list of groups
self.groups = []
# a list of host(names) to contain current inquiries to
self._restriction = None
self._also_restriction = None
self._subset = None
if isinstance(host_list, basestring):
if "," in host_list:
host_list = host_list.split(",")
host_list = [ h for h in host_list if h and h.strip() ]
if host_list is None:
self.parser = None
elif isinstance(host_list, list):
self.parser = None
all = Group('all')
self.groups = [ all ]
ipv6_re = re.compile('\[([a-f:A-F0-9]*[%[0-z]+]?)\](?::(\d+))?')
for x in host_list:
m = ipv6_re.match(x)
if m:
all.add_host(Host(m.groups()[0], m.groups()[1]))
else:
if ":" in x:
tokens = x.rsplit(":", 1)
# if there is ':' in the address, then this is an ipv6
if ':' in tokens[0]:
all.add_host(Host(x))
else:
all.add_host(Host(tokens[0], tokens[1]))
else:
all.add_host(Host(x))
elif os.path.exists(host_list):
if os.path.isdir(host_list):
# Ensure basedir is inside the directory
self.host_list = os.path.join(self.host_list, "")
self.parser = InventoryDirectory(loader=self._loader, filename=host_list)
self.groups = self.parser.groups.values()
else:
# check to see if the specified file starts with a
# shebang (#!/), so if an error is raised by the parser
# class we can show a more apropos error
shebang_present = False
try:
inv_file = open(host_list)
first_line = inv_file.readlines()[0]
inv_file.close()
if first_line.startswith('#!'):
shebang_present = True
except:
pass
if is_executable(host_list):
try:
self.parser = InventoryScript(loader=self._loader, filename=host_list)
self.groups = self.parser.groups.values()
except:
if not shebang_present:
raise errors.AnsibleError("The file %s is marked as executable, but failed to execute correctly. " % host_list + \
"If this is not supposed to be an executable script, correct this with `chmod -x %s`." % host_list)
else:
raise
else:
try:
self.parser = InventoryParser(filename=host_list)
self.groups = self.parser.groups.values()
except:
if shebang_present:
raise errors.AnsibleError("The file %s looks like it should be an executable inventory script, but is not marked executable. " % host_list + \
"Perhaps you want to correct this with `chmod +x %s`?" % host_list)
else:
raise
vars_loader.add_directory(self.basedir(), with_subdir=True)
else:
raise errors.AnsibleError("Unable to find an inventory file, specify one with -i ?")
self._vars_plugins = [ x for x in vars_loader.all(self) ]
# FIXME: shouldn't be required, since the group/host vars file
# management will be done in VariableManager
# get group vars from group_vars/ files and vars plugins
for group in self.groups:
# FIXME: combine_vars
group.vars = combine_vars(group.vars, self.get_group_variables(group.name))
# get host vars from host_vars/ files and vars plugins
for host in self.get_hosts():
# FIXME: combine_vars
host.vars = combine_vars(host.vars, self.get_host_variables(host.name))
parser = argparse.ArgumentParser()
parser.add_argument('-f',
metavar='Filename',
nargs=1,
help='The ansible host file path',
required=True)
parser.add_argument('-u', action="store_true", help="Human readable format")
parser.add_argument('-d',
action="store_true",
help="Dry run ( Does not update Mongo )")
args = parser.parse_args()
if args.f:
file_name = args.f[0]
print "Opening ", file_name
hostfile = InventoryParser(filename=file_name)
else:
print "You have to specify a filename"
sys.exit(1)
groups = hostfile.groups.values()
hosts = hostfile.hosts.values()
host_list = {}
json_obj = {}
groups_json = {}
for group in groups:
groups_json[group.name] = {}
groups_json[group.name]['vars'] = group.get_variables()
if group.name is "all":
