Various VMWare inventory (pyvomi fixes) + ini doc (#19926)
* Fix many points reported by PyCharm as PEP 8 code style * Improve inventory performance by dropping vim.HostSystem & vim.VirtualMachine collect when depth >= 2 * Declare some class variables properly * Remove some unused variables * Add documentation in vmware_inventory.ini for VMWARE_USERNAME & VMWARE_PASSWORD env vars
This commit is contained in:
Ner'zhul
jctanner
parent
aca60f1776
commit
78ed9793fe
2 changed files with 101 additions and 104 deletions
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@ -8,10 +8,12 @@ server=vcenter
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# The port for the vsphere API
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#port=443
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# The username with access to the vsphere API
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# The username with access to the vsphere API. This setting
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# may also be defined via the VMWARE_USERNAME environment variable.
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username=administrator@vsphere.local
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# The password for the vsphere API
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# The password for the vsphere API. This setting
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# may also be defined via the VMWARE_PASSWORD environment variable.
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password=vmware
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# Verify the server's SSL certificate
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@ -28,8 +30,8 @@ password=vmware
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# Max object level refers to the level of recursion the script will delve into
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# the objects returned from pyvomi to find serializable facts. The default
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# level of 0 is sufficient for most tasks and will be the most performant.
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# the objects returned from pyvomi to find serializable facts. The default
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# level of 0 is sufficient for most tasks and will be the most performant.
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# Beware that the recursion can exceed python's limit (causing traceback),
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# cause sluggish script performance and return huge blobs of facts.
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# If you do not know what you are doing, leave this set to 1.
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@ -42,8 +44,8 @@ password=vmware
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# Host alias for objects in the inventory. VMWare allows duplicate VM names
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# so they can not be considered unique. Use this setting to alter the alias
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# returned for the hosts. Any atributes for the guest can be used to build
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# this alias. The default combines the config name and the config uuid and
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# returned for the hosts. Any atributes for the guest can be used to build
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# this alias. The default combines the config name and the config uuid and
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# expects that the ansible_host will be set by the host_pattern.
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#alias_pattern={{ config.name + '_' + config.uuid }}
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@ -53,7 +55,7 @@ password=vmware
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#host_pattern={{ guest.ipaddress }}
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# Host filters are a comma separated list of jinja patterns to remove
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# Host filters are a comma separated list of jinja patterns to remove
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# non-matching hosts from the final result.
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# EXAMPLES:
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# host_filters={{ config.guestid == 'rhel7_64Guest' }}
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@ -74,10 +76,10 @@ password=vmware
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# all available data. The serialization is comprehensive but slow. If the
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# vcenter environment is large and the desired properties are known, create
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# a 'properties' section in this config and make an arbitrary list of
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# key=value settings where the value is a path to a specific property. If
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# key=value settings where the value is a path to a specific property. If
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# If this feature is enabled, be sure to fetch every property that is used
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# in the jinja expressions defined above. For performance tuning, reduce
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# the number of properties to the smallest amount possible and limit the
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# the number of properties to the smallest amount possible and limit the
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# use of properties that are not direct attributes of vim.VirtualMachine
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#[properties]
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#prop01=name
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@ -42,6 +42,7 @@ HAS_PYVMOMI = False
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try:
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from pyVmomi import vim
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from pyVim.connect import SmartConnect, Disconnect
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HAS_PYVMOMI = True
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except ImportError:
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pass
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@ -54,15 +55,17 @@ except ImportError:
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hasvcr = False
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try:
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import vcr
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hasvcr = True
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except ImportError:
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pass
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class VMwareMissingHostException(Exception):
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pass
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class VMWareInventory(object):
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class VMWareInventory(object):
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__name__ = 'VMWareInventory'
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guest_props = False
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@ -76,14 +79,16 @@ class VMWareInventory(object):
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cache_max_age = None
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cache_path_cache = None
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cache_path_index = None
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cache_dir = None
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server = None
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port = None
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username = None
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password = None
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validate_certs = True
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host_filters = []
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groupby_patterns = []
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if (sys.version_info > (3, 0)):
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if sys.version_info > (3, 0):
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safe_types = [int, bool, str, float, None]
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else:
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safe_types = [int, long, bool, str, float, None]
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@ -99,6 +104,11 @@ class VMWareInventory(object):
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'parent',
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'childtype']
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vimTableMaxDepth = {
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"vim.HostSystem": 2,
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"vim.VirtualMachine": 2,
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}
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# translation table for attributes to fetch for known vim types
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if not HAS_PYVMOMI:
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vimTable = {}
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@ -106,14 +116,15 @@ class VMWareInventory(object):
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vimTable = {
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vim.Datastore: ['_moId', 'name'],
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vim.ResourcePool: ['_moId', 'name'],
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vim.HostSystem: ['_moId', 'name'],
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}
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def _empty_inventory(self):
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return {"_meta" : {"hostvars" : {}}}
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@staticmethod
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def _empty_inventory():
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return {"_meta": {"hostvars": {}}}
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def __init__(self, load=True):
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self.inventory = self._empty_inventory()
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self.inventory = VMWareInventory._empty_inventory()
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if load:
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# Read settings and parse CLI arguments
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@ -135,7 +146,7 @@ class VMWareInventory(object):
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try:
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text = str(text)
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except UnicodeEncodeError:
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text = text.encode('ascii','ignore')
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text = text.encode('ascii', 'ignore')
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print('%s %s' % (datetime.datetime.now(), text))
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def show(self):
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@ -149,7 +160,6 @@ class VMWareInventory(object):
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data_to_print = self.inventory
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return json.dumps(data_to_print, indent=2)
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def is_cache_valid(self):
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''' Determines if the cache files have expired, or if it is still valid '''
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@ -164,7 +174,6 @@ class VMWareInventory(object):
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return valid
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def do_api_calls_update_cache(self):
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''' Get instances and cache the data '''
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@ -174,7 +183,6 @@ class VMWareInventory(object):
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self.inventory = self.instances_to_inventory(instances)
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self.write_to_cache(self.inventory, self.cache_path_cache)
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def write_to_cache(self, data, cache_path):
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''' Dump inventory to json file '''
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@ -182,7 +190,6 @@ class VMWareInventory(object):
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with open(self.cache_path_cache, 'wb') as f:
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f.write(json.dumps(data))
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def get_inventory_from_cache(self):
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''' Read in jsonified inventory '''
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@ -192,7 +199,6 @@ class VMWareInventory(object):
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jdata = f.read()
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return json.loads(jdata)
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def read_settings(self):
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''' Reads the settings from the vmware_inventory.ini file '''
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@ -211,13 +217,13 @@ class VMWareInventory(object):
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'cache_name': 'ansible-vmware',
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'cache_path': '~/.ansible/tmp',
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'cache_max_age': 3600,
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'max_object_level': 1,
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'alias_pattern': '{{ config.name + "_" + config.uuid }}',
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'host_pattern': '{{ guest.ipaddress }}',
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'host_filters': '{{ guest.gueststate == "running" }}',
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'groupby_patterns': '{{ guest.guestid }},{{ "templates" if config.template else "guests"}}',
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'lower_var_keys': True }
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}
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'max_object_level': 1,
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'alias_pattern': '{{ config.name + "_" + config.uuid }}',
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'host_pattern': '{{ guest.ipaddress }}',
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'host_filters': '{{ guest.gueststate == "running" }}',
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'groupby_patterns': '{{ guest.guestid }},{{ "templates" if config.template else "guests"}}',
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'lower_var_keys': True}
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}
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if six.PY3:
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config = configparser.ConfigParser()
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@ -230,9 +236,9 @@ class VMWareInventory(object):
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config.read(vmware_ini_path)
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# apply defaults
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for k,v in defaults['vmware'].items():
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for k, v in defaults['vmware'].items():
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if not config.has_option('vmware', k):
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config.set('vmware', k, str(v))
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config.set('vmware', k, str(v))
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# where is the cache?
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self.cache_dir = os.path.expanduser(config.get('vmware', 'cache_path'))
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@ -245,8 +251,8 @@ class VMWareInventory(object):
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self.debugl('cache path is %s' % self.cache_path_cache)
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self.cache_max_age = int(config.getint('vmware', 'cache_max_age'))
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# mark the connection info
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self.server = os.environ.get('VMWARE_SERVER', config.get('vmware', 'server'))
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# mark the connection info
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self.server = os.environ.get('VMWARE_SERVER', config.get('vmware', 'server'))
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self.debugl('server is %s' % self.server)
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self.port = int(os.environ.get('VMWARE_PORT', config.get('vmware', 'port')))
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self.username = os.environ.get('VMWARE_USERNAME', config.get('vmware', 'username'))
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@ -255,8 +261,7 @@ class VMWareInventory(object):
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self.validate_certs = os.environ.get('VMWARE_VALIDATE_CERTS', config.get('vmware', 'validate_certs'))
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if self.validate_certs in ['no', 'false', 'False', False]:
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self.validate_certs = False
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else:
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self.validate_certs = True
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self.debugl('cert validation is %s' % self.validate_certs)
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# behavior control
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@ -266,7 +271,7 @@ class VMWareInventory(object):
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if type(self.lowerkeys) != bool:
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if str(self.lowerkeys).lower() in ['yes', 'true', '1']:
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self.lowerkeys = True
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else:
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else:
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self.lowerkeys = False
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self.debugl('lower keys is %s' % self.lowerkeys)
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@ -284,8 +289,7 @@ class VMWareInventory(object):
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self.guest_props.append(prop[1])
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# save the config
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self.config = config
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self.config = config
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def parse_cli_args(self):
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@ -293,28 +297,24 @@ class VMWareInventory(object):
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parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on PyVmomi')
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parser.add_argument('--debug', action='store_true', default=False,
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help='show debug info')
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help='show debug info')
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parser.add_argument('--list', action='store_true', default=True,
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help='List instances (default: True)')
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help='List instances (default: True)')
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parser.add_argument('--host', action='store',
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help='Get all the variables about a specific instance')
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help='Get all the variables about a specific instance')
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parser.add_argument('--refresh-cache', action='store_true', default=False,
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help='Force refresh of cache by making API requests to VSphere (default: False - use cache files)')
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help='Force refresh of cache by making API requests to VSphere (default: False - use cache files)')
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parser.add_argument('--max-instances', default=None, type=int,
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help='maximum number of instances to retrieve')
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help='maximum number of instances to retrieve')
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self.args = parser.parse_args()
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def get_instances(self):
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''' Get a list of vm instances with pyvmomi '''
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instances = []
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kwargs = {'host': self.server,
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'user': self.username,
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'pwd': self.password,
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'port': int(self.port) }
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'port': int(self.port)}
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if hasattr(ssl, 'SSLContext') and not self.validate_certs:
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context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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@ -324,7 +324,6 @@ class VMWareInventory(object):
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instances = self._get_instances(kwargs)
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return instances
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def _get_instances(self, inkwargs):
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''' Make API calls '''
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@ -335,7 +334,7 @@ class VMWareInventory(object):
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self.debugl('retrieving all instances')
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if not si:
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print("Could not connect to the specified host using specified "
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"username and password")
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"username and password")
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return -1
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atexit.register(Disconnect, si)
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content = si.RetrieveContent()
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@ -350,7 +349,7 @@ class VMWareInventory(object):
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for child in children:
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# If requested, limit the total number of instances
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if self.args.max_instances:
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if len(instances) >= (self.args.max_instances):
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if len(instances) >= self.args.max_instances:
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break
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instances.append(child)
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self.debugl("%s total instances in container view" % len(instances))
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@ -358,9 +357,9 @@ class VMWareInventory(object):
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if self.args.host:
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instances = [x for x in instances if x.name == self.args.host]
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instance_tuples = []
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for instance in sorted(instances):
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if self.guest_props != False:
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instance_tuples = []
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for instance in sorted(instances):
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if self.guest_props:
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ifacts = self.facts_from_proplist(instance)
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else:
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ifacts = self.facts_from_vobj(instance)
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@ -368,19 +367,15 @@ class VMWareInventory(object):
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self.debugl('facts collected for all instances')
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return instance_tuples
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def instances_to_inventory(self, instances):
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''' Convert a list of vm objects into a json compliant inventory '''
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self.debugl('re-indexing instances based on ini settings')
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inventory = self._empty_inventory()
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inventory = VMWareInventory._empty_inventory()
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inventory['all'] = {}
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inventory['all']['hosts'] = []
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last_idata = None
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total = len(instances)
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for idx,instance in enumerate(instances):
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for idx, instance in enumerate(instances):
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# make a unique id for this object to avoid vmware's
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# numerous uuid's which aren't all unique.
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thisid = str(uuid.uuid4())
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@ -392,16 +387,19 @@ class VMWareInventory(object):
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inventory['_meta']['hostvars'][thisid]['ansible_uuid'] = thisid
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# Make a map of the uuid to the alias the user wants
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name_mapping = self.create_template_mapping(inventory,
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self.config.get('vmware', 'alias_pattern'))
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name_mapping = self.create_template_mapping(
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inventory,
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self.config.get('vmware', 'alias_pattern')
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)
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# Make a map of the uuid to the ssh hostname the user wants
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host_mapping = self.create_template_mapping(inventory,
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self.config.get('vmware', 'host_pattern'))
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host_mapping = self.create_template_mapping(
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inventory,
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self.config.get('vmware', 'host_pattern')
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)
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# Reset the inventory keys
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for k,v in name_mapping.items():
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for k, v in name_mapping.items():
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if not host_mapping or not k in host_mapping:
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continue
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@ -411,7 +409,7 @@ class VMWareInventory(object):
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inventory['_meta']['hostvars'][k]['ansible_host'] = host_mapping[k]
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# 1.9.x backwards compliance
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inventory['_meta']['hostvars'][k]['ansible_ssh_host'] = host_mapping[k]
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except Exception as e:
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except Exception:
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continue
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if k == v:
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@ -434,7 +432,7 @@ class VMWareInventory(object):
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continue
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self.debugl('filter: %s' % hf)
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filter_map = self.create_template_mapping(inventory, hf, dtype='boolean')
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for k,v in filter_map.items():
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for k, v in filter_map.items():
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if not v:
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# delete this host
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inventory['all']['hosts'].remove(k)
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@ -447,25 +445,24 @@ class VMWareInventory(object):
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# Create groups
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for gbp in self.groupby_patterns:
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groupby_map = self.create_template_mapping(inventory, gbp)
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for k,v in groupby_map.items():
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for k, v in groupby_map.items():
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if v not in inventory:
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inventory[v] = {}
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inventory[v]['hosts'] = []
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if k not in inventory[v]['hosts']:
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inventory[v]['hosts'].append(k)
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inventory[v]['hosts'].append(k)
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return inventory
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def create_template_mapping(self, inventory, pattern, dtype='string'):
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''' Return a hash of uuid to templated string from pattern '''
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mapping = {}
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for k,v in inventory['_meta']['hostvars'].items():
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for k, v in inventory['_meta']['hostvars'].items():
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t = jinja2.Template(pattern)
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newkey = None
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try:
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try:
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newkey = t.render(v)
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newkey = newkey.strip()
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except Exception as e:
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@ -478,9 +475,9 @@ class VMWareInventory(object):
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if newkey.lower() == 'false':
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newkey = False
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elif newkey.lower() == 'true':
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newkey = True
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newkey = True
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elif dtype == 'string':
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pass
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pass
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mapping[k] = newkey
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return mapping
|
||||
|
||||
|
|
@ -494,7 +491,7 @@ class VMWareInventory(object):
|
|||
if self.lowerkeys:
|
||||
key = key.lower()
|
||||
|
||||
if not '.' in prop:
|
||||
if '.' not in prop:
|
||||
# props without periods are direct attributes of the parent
|
||||
rdata[key] = getattr(vm, prop)
|
||||
else:
|
||||
|
|
@ -507,7 +504,7 @@ class VMWareInventory(object):
|
|||
# pointer to the current result key
|
||||
lastref = rdata
|
||||
|
||||
for idx,x in enumerate(parts):
|
||||
for idx, x in enumerate(parts):
|
||||
|
||||
# if the val wasn't set yet, get it from the parent
|
||||
if not val:
|
||||
|
|
@ -533,7 +530,6 @@ class VMWareInventory(object):
|
|||
|
||||
return rdata
|
||||
|
||||
|
||||
def facts_from_vobj(self, vobj, level=0):
|
||||
|
||||
''' Traverse a VM object and return a json compliant data structure '''
|
||||
|
|
@ -556,7 +552,7 @@ class VMWareInventory(object):
|
|||
|
||||
methods = dir(vobj)
|
||||
methods = [str(x) for x in methods if not x.startswith('_')]
|
||||
methods = [x for x in methods if not x in self.bad_types]
|
||||
methods = [x for x in methods if x not in self.bad_types]
|
||||
methods = [x for x in methods if not x.lower() in self.skip_keys]
|
||||
methods = sorted(methods)
|
||||
|
||||
|
|
@ -575,21 +571,22 @@ class VMWareInventory(object):
|
|||
method = method.lower()
|
||||
|
||||
rdata[method] = self._process_object_types(
|
||||
methodToCall,
|
||||
thisvm=vobj,
|
||||
inkey=method
|
||||
)
|
||||
methodToCall,
|
||||
thisvm=vobj,
|
||||
inkey=method,
|
||||
)
|
||||
|
||||
return rdata
|
||||
|
||||
|
||||
def _process_object_types(self, vobj, thisvm=None, inkey=None, level=0):
|
||||
''' Serialize an object '''
|
||||
rdata = {}
|
||||
|
||||
if type(vobj).__name__ in self.vimTableMaxDepth and level >= self.vimTableMaxDepth[type(vobj).__name__]:
|
||||
return rdata
|
||||
|
||||
if vobj is None:
|
||||
rdata = None
|
||||
|
||||
elif type(vobj) in self.vimTable:
|
||||
rdata = {}
|
||||
for key in self.vimTable[type(vobj)]:
|
||||
|
|
@ -612,19 +609,17 @@ class VMWareInventory(object):
|
|||
rdata = []
|
||||
try:
|
||||
vobj = sorted(vobj)
|
||||
except Exception as e:
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
for idv, vii in enumerate(vobj):
|
||||
|
||||
if (level+1 <= self.maxlevel):
|
||||
|
||||
if level + 1 <= self.maxlevel:
|
||||
vid = self._process_object_types(
|
||||
vii,
|
||||
thisvm=thisvm,
|
||||
inkey=inkey+'['+str(idv)+']',
|
||||
level=(level+1)
|
||||
)
|
||||
vii,
|
||||
thisvm=thisvm,
|
||||
inkey=inkey + '[' + str(idv) + ']',
|
||||
level=(level + 1)
|
||||
)
|
||||
|
||||
if vid:
|
||||
rdata.append(vid)
|
||||
|
|
@ -635,7 +630,7 @@ class VMWareInventory(object):
|
|||
elif issubclass(type(vobj), object):
|
||||
methods = dir(vobj)
|
||||
methods = [str(x) for x in methods if not x.startswith('_')]
|
||||
methods = [x for x in methods if not x in self.bad_types]
|
||||
methods = [x for x in methods if x not in self.bad_types]
|
||||
methods = [x for x in methods if not x.lower() in self.skip_keys]
|
||||
methods = sorted(methods)
|
||||
|
||||
|
|
@ -645,33 +640,33 @@ class VMWareInventory(object):
|
|||
methodToCall = getattr(vobj, method)
|
||||
except Exception as e:
|
||||
continue
|
||||
|
||||
if callable(methodToCall):
|
||||
continue
|
||||
|
||||
if self.lowerkeys:
|
||||
method = method.lower()
|
||||
if (level+1 <= self.maxlevel):
|
||||
if level + 1 <= self.maxlevel:
|
||||
rdata[method] = self._process_object_types(
|
||||
methodToCall,
|
||||
thisvm=thisvm,
|
||||
inkey=inkey+'.'+method,
|
||||
level=(level+1)
|
||||
)
|
||||
methodToCall,
|
||||
thisvm=thisvm,
|
||||
inkey=inkey + '.' + method,
|
||||
level=(level + 1)
|
||||
)
|
||||
else:
|
||||
pass
|
||||
|
||||
return rdata
|
||||
|
||||
def get_host_info(self, host):
|
||||
|
||||
|
||||
''' Return hostvars for a single host '''
|
||||
|
||||
if host in self.inventory['_meta']['hostvars']:
|
||||
return self.inventory['_meta']['hostvars'][host]
|
||||
elif self.args.host and self.inventory['_meta']['hostvars']:
|
||||
# check if the machine has the name requested
|
||||
keys = self.inventory['_meta']['hostvars'].keys()
|
||||
match = None
|
||||
for k,v in self.inventory['_meta']['hostvars'].items():
|
||||
for k, v in self.inventory['_meta']['hostvars']:
|
||||
if self.inventory['_meta']['hostvars'][k]['name'] == self.args.host:
|
||||
match = k
|
||||
break
|
||||
|
|
|
|||
Loading…
Reference in a new issue