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refactor eos_facts to use network_cli (#20760)
refactors the eos_facts module to use the network_cli plugin
This commit is contained in:
Peter Sprygada
GitHub
parent
271c0c4574
commit
c860a8641c
1 changed files with 76 additions and 63 deletions
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@ -16,9 +16,11 @@
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'core',
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'version': '1.0'}
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ANSIBLE_METADATA = {
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'status': ['preview'],
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'supported_by': 'core',
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'version': '1.0'
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}
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DOCUMENTATION = """
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---
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@ -47,31 +49,19 @@ options:
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"""
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EXAMPLES = """
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# Note: examples below use the following provider dict to handle
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# transport and authentication to the node.
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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username: admin
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password: admin
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transport: cli
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# Collect all facts from the device
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- eos_facts:
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gather_subset: all
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provider: "{{ cli }}"
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# Collect only the config and default facts
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- eos_facts:
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gather_subset:
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- config
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provider: "{{ cli }}"
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# Do not collect hardware facts
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- eos_facts:
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gather_subset:
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- "!hardware"
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provider: "{{ cli }}"
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"""
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RETURN = """
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@ -145,30 +135,44 @@ ansible_net_neighbors:
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"""
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import re
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from ansible.module_utils.netcli import CommandRunner, AddCommandError
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from functools import partial
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from ansible.module_utils import eos
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from ansible.module_utils import eapi
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.local import LocalAnsibleModule
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from ansible.module_utils.six import iteritems
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from ansible.module_utils.eos import NetworkModule
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SHARED_LIB = 'eos'
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def add_command(runner, command, output=None):
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try:
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runner.add_command(command, output)
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except AddCommandError:
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# AddCommandError is raised for any issue adding a command to
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# the runner. Silently ignore the exception in this case
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pass
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def get_ansible_module():
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if SHARED_LIB == 'eos':
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return LocalAnsibleModule
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return AnsibleModule
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def invoke(name, *args, **kwargs):
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obj = globals().get(SHARED_LIB)
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func = getattr(obj, name)
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return func(*args, **kwargs)
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run_commands = partial(invoke, 'run_commands')
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def check_args(module, warnings):
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if SHARED_LIB == 'eapi':
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eapi.check_args(module)
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class FactsBase(object):
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def __init__(self, runner):
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self.runner = runner
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COMMANDS = frozenset()
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def __init__(self, module):
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self.module = module
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self.facts = dict()
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self.responses = None
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self.load_commands()
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def load_commands(self):
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raise NotImplementedError
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def populate(self):
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self.responses = run_commands(self.module, list(self.COMMANDS))
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class Default(FactsBase):
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@ -179,22 +183,24 @@ class Default(FactsBase):
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'modelName': 'model'
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}
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def load_commands(self):
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add_command(self.runner, 'show version', output='json')
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add_command(self.runner, 'show hostname', output='json')
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add_command(self.runner, 'bash timeout 5 cat /mnt/flash/boot-config')
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COMMANDS = [
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'show version | json',
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'show hostname | json',
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'bash timeout 5 cat /mnt/flash/boot-config'
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]
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def populate(self):
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data = self.runner.get_command('show version', 'json')
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super(Default, self).populate()
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data = self.responses[0]
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for key, value in iteritems(self.SYSTEM_MAP):
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if key in data:
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self.facts[value] = data[key]
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self.facts.update(self.runner.get_command('show hostname', 'json'))
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self.facts.update(self.responses[1])
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self.facts.update(self.parse_image())
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def parse_image(self):
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data = self.runner.get_command('bash timeout 5 cat /mnt/flash/boot-config')
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data = self.responses[2]
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if isinstance(data, dict):
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data = data['messages'][0]
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match = re.search(r'SWI=(.+)$', data, re.M)
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@ -206,21 +212,23 @@ class Default(FactsBase):
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class Hardware(FactsBase):
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def load_commands(self):
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add_command(self.runner, 'dir all-filesystems', output='text')
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add_command(self.runner, 'show version', output='json')
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COMMANDS = [
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'dir all-filesystems',
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'show version | json'
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]
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def populate(self):
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super(Hardware, self).populate()
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self.facts.update(self.populate_filesystems())
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self.facts.update(self.populate_memory())
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def populate_filesystems(self):
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data = self.runner.get_command('dir all-filesystems', 'text')
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data = self.responses[0]
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fs = re.findall(r'^Directory of (.+)/', data, re.M)
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return dict(filesystems=fs)
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def populate_memory(self):
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values = self.runner.get_command('show version', 'json')
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values = self.responses[1]
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return dict(
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memfree_mb=int(values['memFree']) / 1024,
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memtotal_mb=int(values['memTotal']) / 1024
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@ -228,11 +236,11 @@ class Hardware(FactsBase):
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class Config(FactsBase):
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def load_commands(self):
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add_command(self.runner, 'show running-config', output='text')
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COMMANDS = ['show running-config']
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def populate(self):
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self.facts['config'] = self.runner.get_command('show running-config')
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super(Config, self).populate()
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self.facts['config'] = self.responses[0]
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class Interfaces(FactsBase):
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@ -248,18 +256,21 @@ class Interfaces(FactsBase):
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'forwardingModel': 'type'
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}
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def load_commands(self):
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add_command(self.runner, 'show interfaces', output='json')
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add_command(self.runner, 'show lldp neighbors', output='json')
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COMMANDS = [
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'show interfaces | json',
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'show lldp neighbors | json'
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]
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def populate(self):
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super(Interfaces, self).populate()
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self.facts['all_ipv4_addresses'] = list()
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self.facts['all_ipv6_addresses'] = list()
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data = self.runner.get_command('show interfaces', 'json')
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data = self.responses[0]
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self.facts['interfaces'] = self.populate_interfaces(data)
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data = self.runner.get_command('show lldp neighbors', 'json')
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data = self.responses[1]
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self.facts['neighbors'] = self.populate_neighbors(data['lldpNeighbors'])
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def populate_interfaces(self, data):
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@ -318,11 +329,19 @@ FACT_SUBSETS = dict(
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VALID_SUBSETS = frozenset(FACT_SUBSETS.keys())
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def main():
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spec = dict(
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"""main entry point for module execution
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"""
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argument_spec = dict(
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gather_subset=dict(default=['!config'], type='list')
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)
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module = NetworkModule(argument_spec=spec, supports_check_mode=True)
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argument_spec.update(eapi.eapi_argument_spec)
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cls = get_ansible_module()
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module = cls(argument_spec=argument_spec, supports_check_mode=True)
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warnings = list()
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check_args(module, warnings)
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gather_subset = module.params['gather_subset']
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@ -361,20 +380,13 @@ def main():
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facts = dict()
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facts['gather_subset'] = list(runable_subsets)
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runner = CommandRunner(module)
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instances = list()
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for key in runable_subsets:
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instances.append(FACT_SUBSETS[key](runner))
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instances.append(FACT_SUBSETS[key](module))
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runner.run()
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try:
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for inst in instances:
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inst.populate()
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facts.update(inst.facts)
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except Exception:
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module.exit_json(out=module.from_json(runner.items))
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for inst in instances:
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inst.populate()
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facts.update(inst.facts)
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ansible_facts = dict()
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for key, value in iteritems(facts):
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@ -385,4 +397,5 @@ def main():
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if __name__ == '__main__':
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SHARED_LIB = 'eapi'
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main()
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