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337 lines
13 KiB
337 lines
13 KiB
# ~*~ coding: utf-8 ~*~
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import json
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import os
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import re
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from collections import defaultdict
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from django.utils.translation import gettext as _
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__all__ = ['JMSInventory']
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class JMSInventory:
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def __init__(
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self, assets, account_policy='privileged_first',
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account_prefer='root,Administrator', host_callback=None,
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exclude_localhost=False, task_type=None, protocol=None
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):
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"""
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:param assets:
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:param account_prefer: account username name if not set use account_policy
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:param account_policy: privileged_only, privileged_first, skip
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"""
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self.assets = self.clean_assets(assets)
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self.account_prefer = self.get_account_prefer(account_prefer)
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self.account_policy = account_policy
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self.host_callback = host_callback
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self.exclude_hosts = {}
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self.exclude_localhost = exclude_localhost
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self.task_type = task_type
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self.protocol = protocol
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@staticmethod
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def clean_assets(assets):
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from assets.models import Asset
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asset_ids = [asset.id for asset in assets]
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assets = Asset.objects.filter(id__in=asset_ids, is_active=True) \
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.prefetch_related('platform', 'domain', 'accounts')
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return assets
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@staticmethod
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def group_by_platform(assets):
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groups = defaultdict(list)
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for asset in assets:
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groups[asset.platform].append(asset)
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return groups
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@staticmethod
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def get_gateway_ssh_settings(gateway):
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platform = gateway.platform
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try:
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protocol = platform.protocols.get(name='ssh')
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except platform.protocols.model.DoesNotExist:
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return {}
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return protocol.setting
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def make_proxy_command(self, gateway, path_dir):
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proxy_command_list = [
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"ssh", "-o", "Port={}".format(gateway.port),
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"-o", "StrictHostKeyChecking=no",
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f"{gateway.username}@{gateway.address}"
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]
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setting = self.get_gateway_ssh_settings(gateway)
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if setting.get('nc', False):
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proxy_command_list.extend(["nc", "-w", "10", "%h", "%p"])
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else:
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proxy_command_list.extend(["-W", "%h:%p", "-q"])
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if gateway.password:
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proxy_command_list.insert(0, f"sshpass -p {gateway.password}")
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if gateway.private_key:
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proxy_command_list.append(f"-i {gateway.get_private_key_path(path_dir)}")
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proxy_command = f"-o ProxyCommand='{' '.join(proxy_command_list)}'"
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return {"ansible_ssh_common_args": proxy_command}
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@staticmethod
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def make_account_ansible_vars(account, path_dir):
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var = {
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'ansible_user': account.username,
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}
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if not account.secret:
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return var
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if account.secret_type == 'password':
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var['ansible_password'] = account.escape_jinja2_syntax(account.secret)
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elif account.secret_type == 'ssh_key':
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var['ansible_ssh_private_key_file'] = account.get_private_key_path(path_dir)
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return var
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@staticmethod
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def make_custom_become_ansible_vars(account, su_from_auth, path_dir):
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su_method = su_from_auth['ansible_become_method']
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var = {
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'jms_custom_become': True,
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'jms_custom_become_method': su_method,
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'jms_custom_become_user': account.su_from.username,
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'jms_custom_become_password': account.escape_jinja2_syntax(account.su_from.secret),
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'jms_custom_become_private_key_path': account.su_from.get_private_key_path(path_dir)
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}
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return var
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@staticmethod
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def make_protocol_setting_vars(host, protocols):
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# 针对 ssh 协议的特殊处理
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for p in protocols:
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if p.name == 'ssh':
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if hasattr(p, 'setting'):
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setting = getattr(p, 'setting')
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host['old_ssh_version'] = setting.get('old_ssh_version', False)
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def make_account_vars(self, host, asset, account, automation, protocol, platform, gateway, path_dir):
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from accounts.const import AutomationTypes
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if not account:
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host['error'] = _("No account available")
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return host
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port = protocol.port if protocol else 22
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host['ansible_host'] = asset.address
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host['ansible_port'] = port
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su_from = account.su_from
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if platform.su_enabled and su_from:
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su_from_auth = account.get_ansible_become_auth()
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host.update(su_from_auth)
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host.update(self.make_custom_become_ansible_vars(account, su_from_auth, path_dir))
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elif platform.su_enabled and not su_from and \
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self.task_type in (AutomationTypes.change_secret, AutomationTypes.push_account):
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host.update(self.make_account_ansible_vars(account, path_dir))
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host['ansible_become'] = True
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host['ansible_become_user'] = 'root'
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host['ansible_become_password'] = account.escape_jinja2_syntax(account.secret)
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else:
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host.update(self.make_account_ansible_vars(account, path_dir))
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if platform.is_huawei():
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host['ansible_connection'] = 'network_cli'
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host['ansible_network_os'] = 'ce'
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if gateway:
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ansible_connection = host.get('ansible_connection', 'ssh')
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if ansible_connection in ('local', 'winrm', 'rdp'):
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host['jms_gateway'] = {
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'address': gateway.address, 'port': gateway.port,
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'username': gateway.username, 'secret': gateway.password,
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'private_key_path': gateway.get_private_key_path(path_dir)
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}
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host['jms_asset']['port'] = port
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else:
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ansible_ssh_common_args = self.make_proxy_command(gateway, path_dir)
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host['jms_asset'].update(ansible_ssh_common_args)
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host.update(ansible_ssh_common_args)
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def get_primary_protocol(self, ansible_config, protocols):
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invalid_protocol = type('protocol', (), {'name': 'null', 'port': 0})
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ansible_connection = ansible_config.get('ansible_connection')
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# 数值越小，优先级越高，若用户在 ansible_config 中配置了，则提高用户配置方式的优先级
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protocol_priority = {'ssh': 10, 'winrm': 9, ansible_connection: 1}
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if self.protocol:
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protocol_priority.update({self.protocol: 0})
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protocol_sorted = sorted(protocols, key=lambda x: protocol_priority.get(x.name, 999))
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protocol = protocol_sorted[0] if protocol_sorted else invalid_protocol
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return protocol
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@staticmethod
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def fill_ansible_config(ansible_config, protocol):
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if protocol.name in ('ssh', 'winrm', 'rdp'):
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ansible_config['ansible_connection'] = protocol.name
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if protocol.name == 'winrm':
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if protocol.setting.get('use_ssl', False):
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ansible_config['ansible_winrm_scheme'] = 'https'
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ansible_config['ansible_winrm_transport'] = 'ssl'
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ansible_config['ansible_winrm_server_cert_validation'] = 'ignore'
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else:
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ansible_config['ansible_winrm_scheme'] = 'http'
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ansible_config['ansible_winrm_transport'] = 'ntlm'
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ansible_config['ansible_winrm_connection_timeout'] = 120
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return ansible_config
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def asset_to_host(self, asset, account, automation, protocols, platform, path_dir):
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try:
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ansible_config = dict(automation.ansible_config)
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except (AttributeError, TypeError):
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ansible_config = {}
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protocol = self.get_primary_protocol(ansible_config, protocols)
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tp, category = asset.type, asset.category
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name = re.sub(r'[ \[\]/]', '_', asset.name)
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secret_info = {k: v for k, v in asset.secret_info.items() if v}
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host = {
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'name': name,
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'jms_asset': {
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'id': str(asset.id), 'name': asset.name, 'address': asset.address,
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'type': tp, 'category': category,
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'protocol': protocol.name, 'port': protocol.port,
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'spec_info': asset.spec_info, 'secret_info': secret_info,
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'protocols': [{'name': p.name, 'port': p.port} for p in protocols],
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'origin_address': asset.address
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},
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'jms_account': {
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'id': str(account.id), 'username': account.username,
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'secret': account.escape_jinja2_syntax(account.secret),
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'secret_type': account.secret_type, 'private_key_path': account.get_private_key_path(path_dir)
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} if account else None
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}
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self.make_protocol_setting_vars(host, protocols)
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protocols = host['jms_asset']['protocols']
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host['jms_asset'].update({f"{p['name']}_port": p['port'] for p in protocols})
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if host['jms_account'] and tp == 'oracle':
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host['jms_account']['mode'] = 'sysdba' if account.privileged else None
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ansible_config = self.fill_ansible_config(ansible_config, protocol)
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host.update(ansible_config)
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gateway = None
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if not asset.is_gateway and asset.domain:
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gateway = asset.domain.select_gateway()
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self.make_account_vars(
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host, asset, account, automation, protocol, platform, gateway, path_dir
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)
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return host
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@staticmethod
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def sorted_accounts(accounts):
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connectivity_score = {'ok': 2, '-': 1, 'err': 0}
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sort_key = lambda x: (x.privileged, connectivity_score.get(x.connectivity, 0), x.date_updated)
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accounts_sorted = sorted(accounts, key=sort_key, reverse=True)
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return accounts_sorted
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def get_asset_sorted_accounts(self, asset):
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accounts = list(asset.accounts.filter(is_active=True))
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accounts_sorted = self.sorted_accounts(accounts)
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return accounts_sorted
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@staticmethod
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def get_account_prefer(account_prefer):
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account_usernames = []
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if isinstance(account_prefer, str) and account_prefer:
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account_usernames = list(map(lambda x: x.lower(), account_prefer.split(',')))
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return account_usernames
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def get_refer_account(self, accounts):
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account = None
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if accounts:
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account = list(filter(
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lambda a: a.username.lower() in self.account_prefer, accounts
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))
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account = account[0] if account else None
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return account
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def select_account(self, asset):
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accounts = self.get_asset_sorted_accounts(asset)
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if not accounts:
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return None
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refer_account = self.get_refer_account(accounts)
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if refer_account:
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return refer_account
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account_selected = accounts[0]
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if self.account_policy == 'skip':
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return None
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elif self.account_policy == 'privileged_first':
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return account_selected
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elif self.account_policy == 'privileged_only' and account_selected.privileged:
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return account_selected
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else:
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return None
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@staticmethod
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def set_platform_protocol_setting_to_asset(asset, platform_protocols):
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asset_protocols = asset.protocols.all()
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for p in asset_protocols:
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setattr(p, 'setting', platform_protocols.get(p.name, {}))
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return asset_protocols
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def generate(self, path_dir):
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hosts = []
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platform_assets = self.group_by_platform(self.assets)
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for platform, assets in platform_assets.items():
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automation = platform.automation
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platform_protocols = {
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p['name']: p['setting'] for p in platform.protocols.values('name', 'setting')
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}
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for asset in assets:
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protocols = self.set_platform_protocol_setting_to_asset(asset, platform_protocols)
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account = self.select_account(asset)
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host = self.asset_to_host(asset, account, automation, protocols, platform, path_dir)
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if not automation.ansible_enabled:
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host['error'] = _('Ansible disabled')
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if self.host_callback is not None:
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host = self.host_callback(
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host, asset=asset, account=account,
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platform=platform, automation=automation,
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path_dir=path_dir
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)
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if isinstance(host, list):
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hosts.extend(host)
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else:
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hosts.append(host)
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exclude_hosts = list(filter(lambda x: x.get('error'), hosts))
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if exclude_hosts:
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print(_("Skip hosts below:"))
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for i, host in enumerate(exclude_hosts, start=1):
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print("{}: [{}] \t{}".format(i, host['name'], host['error']))
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self.exclude_hosts[host['name']] = host['error']
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hosts = list(filter(lambda x: not x.get('error'), hosts))
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data = {'all': {'hosts': {}}}
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for host in hosts:
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name = host.pop('name')
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data['all']['hosts'][name] = host
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if not self.exclude_localhost:
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data['all']['hosts'].update({
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'localhost': {
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'ansible_host': '127.0.0.1',
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'ansible_connection': 'local'
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}
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})
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return data
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def write_to_file(self, path):
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path_dir = os.path.dirname(path)
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if not os.path.exists(path_dir):
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os.makedirs(path_dir, 0o700, True)
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data = self.generate(path_dir)
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with open(path, 'w') as f:
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f.write(json.dumps(data, indent=4))
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