VMware: Adding IP-Specific properties to ESXi host firewall config (#56733)

* Adds IP-Specific properties to firewall config

Fixes: #51240
This commit is contained in:
Aaron Longchamps 2019-07-01 06:43:58 -04:00 committed by Abhijeet Kasurde
parent 39fbdc22ff
commit 045caaa400
2 changed files with 230 additions and 10 deletions

View file

@ -13,7 +13,7 @@ ANSIBLE_METADATA = {
'supported_by': 'community'
}
DOCUMENTATION = '''
DOCUMENTATION = r'''
---
module: vmware_host_firewall_manager
short_description: Manage firewall configurations about an ESXi host
@ -22,8 +22,9 @@ description:
version_added: '2.5'
author:
- Abhijeet Kasurde (@Akasurde)
- Aaron Longchamps (@alongchamps)
notes:
- Tested on vSphere 6.5
- Tested on vSphere 6.0, vSphere 6.5
requirements:
- python >= 2.6
- PyVmomi
@ -43,6 +44,7 @@ options:
- A list of Rule set which needs to be managed.
- Each member of list is rule set name and state to be set the rule.
- Both rule name and rule state are required parameters.
- Additional IPs and networks can also be specified
- Please see examples for more information.
default: []
extends_documentation_fragment: vmware.documentation
@ -83,6 +85,35 @@ EXAMPLES = r'''
- name: CIMHttpServer
enabled: False
delegate_to: localhost
- name: Manage IP and network based firewall permissions for ESXi
vmware_host_firewall_manager:
hostname: '{{ vcenter_hostname }}'
username: '{{ vcenter_username }}'
password: '{{ vcenter_password }}'
esxi_hostname: '{{ esxi_hostname }}'
rules:
- name: gdbserver
enabled: True
allowed_hosts:
- all_ip: False
ip_address:
192.168.20.10
- name: CIMHttpServer
enabled: True
allowed_hosts:
- all_ip: False
ip_network:
192.168.100.0/24
- name: remoteSerialPort
enabled: True
allowed_hosts:
- all_ip: False
ip_address:
192.168.100.11
ip_network:
192.168.200.0/24
delegate_to: localhost
'''
RETURN = r'''
@ -95,14 +126,36 @@ rule_set_state:
"rule_set_state": {
"localhost.localdomain": {
"CIMHttpServer": {
"current_state": true,
"desired_state": true,
"previous_state": true
"current_state": False,
"desired_state": False,
"previous_state": True,
"allowed_hosts": {
"current_allowed_all": True,
"previous_allowed_all": True,
"desired_allowed_all": True,
"current_allowed_ip": [],
"previous_allowed_ip": [],
"desired_allowed_ip": [],
"current_allowed_networks": [],
"previous_allowed_networks": [],
"desired_allowed_networks": [],
}
},
"vvold": {
"current_state": true,
"desired_state": true,
"previous_state": true
"remoteSerialPort": {
"current_state": True,
"desired_state": True,
"previous_state": True,
"allowed_hosts": {
"current_allowed_all": False,
"previous_allowed_all": True,
"desired_allowed_all": False,
"current_allowed_ip": ["192.168.100.11"],
"previous_allowed_ip": [],
"desired_allowed_ip": ["192.168.100.11"],
"current_allowed_networks": ["192.168.200.0/24"],
"previous_allowed_networks": [],
"desired_allowed_networks": ["192.168.200.0/24"],
}
}
}
}
@ -117,6 +170,7 @@ except ImportError:
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.vmware import vmware_argument_spec, PyVmomi
from ansible.module_utils._text import to_native
from ansible.module_utils.compat import ipaddress
class VmwareFirewallManager(PyVmomi):
@ -138,6 +192,12 @@ class VmwareFirewallManager(PyVmomi):
for rule_set_obj in firewall_system.firewallInfo.ruleset:
temp_rule_dict = dict()
temp_rule_dict['enabled'] = rule_set_obj.enabled
allowed_host = rule_set_obj.allowedHosts
rule_allow_host = dict()
rule_allow_host['ip_address'] = allowed_host.ipAddress
rule_allow_host['ip_network'] = [ip.network + "/" + str(ip.prefixLength) for ip in allowed_host.ipNetwork]
rule_allow_host['all_ip'] = allowed_host.allIp
temp_rule_dict['allowed_hosts'] = rule_allow_host
self.firewall_facts[host.name][rule_set_obj.key] = temp_rule_dict
def ensure(self):
@ -146,6 +206,8 @@ class VmwareFirewallManager(PyVmomi):
"""
fw_change_list = []
enable_disable_changed = False
allowed_ip_changed = False
results = dict(changed=False, rule_set_state=dict())
for host in self.hosts:
firewall_system = host.configManager.firewallSystem
@ -167,6 +229,26 @@ class VmwareFirewallManager(PyVmomi):
self.module.fail_json(msg="Please specify rules.enabled for rule set"
" %s as it is required parameter." % rule_name)
# validate IP addresses are valid
rule_config = rule_option.get('allowed_hosts', None)
if 'ip_address' in rule_config[0].keys():
for ip_addr in rule_config[0]['ip_address']:
try:
ip = ipaddress.ip_address(ip_addr)
except ValueError:
self.module.fail_json(msg="The provided IP address %s is not a valid IP"
" for the rule %s" % (ip_addr, rule_name))
# validate provided subnets are valid networks
if 'ip_network' in rule_config[0].keys():
for ip_net in rule_config[0]['ip_network']:
try:
network_validation = ipaddress.ip_network(ip_net)
except ValueError:
self.module.fail_json(msg="The provided network %s is not a valid network"
" for the rule %s" % (ip_net, rule_name))
current_rule_state = self.firewall_facts[host.name][rule_name]['enabled']
if current_rule_state != rule_enabled:
try:
@ -175,7 +257,8 @@ class VmwareFirewallManager(PyVmomi):
firewall_system.EnableRuleset(id=rule_name)
else:
firewall_system.DisableRuleset(id=rule_name)
fw_change_list.append(True)
# keep track of changes as we go
enable_disable_changed = True
except vim.fault.NotFound as not_found:
self.module.fail_json(msg="Failed to enable rule set %s as"
" rule set id is unknown : %s" % (rule_name,
@ -185,11 +268,73 @@ class VmwareFirewallManager(PyVmomi):
" error happened while reconfiguring"
" rule set : %s" % (rule_name,
to_native(host_config_fault.msg)))
# save variables here for comparison later and change tracking
# also covers cases where inputs may be null
permitted_networking = self.firewall_facts[host.name][rule_name]
rule_allows_all = permitted_networking['allowed_hosts']['all_ip']
playbook_allows_all = rule_config[0]['all_ip']
rule_allowed_ip = set(permitted_networking['allowed_hosts']['ip_address'])
playbook_allowed_ip = set(rule_config[0].get('ip_address', ''))
rule_allowed_networks = set(permitted_networking['allowed_hosts']['ip_network'])
playbook_allowed_networks = set(rule_config[0].get('ip_network', ''))
# compare what is configured on the firewall rule with what the playbook provides
allowed_all_ips_different = bool(rule_allows_all != playbook_allows_all)
ip_list_different = bool(rule_allowed_ip != playbook_allowed_ip)
ip_network_different = bool(rule_allowed_networks != playbook_allowed_networks)
# apply everything here in one function call
if allowed_all_ips_different is True or ip_list_different is True or ip_network_different is True:
try:
allowed_ip_changed = True
if not self.module.check_mode:
# setup spec
firewall_spec = vim.host.Ruleset.RulesetSpec()
firewall_spec.allowedHosts = vim.host.Ruleset.IpList()
firewall_spec.allowedHosts.allIp = rule_config[0].get('all_ip', True)
firewall_spec.allowedHosts.ipAddress = rule_config[0].get('ip_address', None)
firewall_spec.allowedHosts.ipNetwork = []
if 'ip_network' in rule_config[0].keys():
for allowed_network in rule_config[0].get('ip_network', None):
tmp_ip_network_spec = vim.host.Ruleset.IpNetwork()
tmp_ip_network_spec.network = allowed_network.split("/")[0]
tmp_ip_network_spec.prefixLength = int(allowed_network.split("/")[1])
firewall_spec.allowedHosts.ipNetwork.append(tmp_ip_network_spec)
firewall_system.UpdateRuleset(id=rule_name, spec=firewall_spec)
except vim.fault.NotFound as not_found:
self.module.fail_json(msg="Failed to configure rule set %s as"
" rule set id is unknown : %s" % (rule_name,
to_native(not_found.msg)))
except vim.fault.HostConfigFault as host_config_fault:
self.module.fail_json(msg="Failed to configure rule set %s as an internal"
" error happened while reconfiguring"
" rule set : %s" % (rule_name,
to_native(host_config_fault.msg)))
except vim.fault.RuntimeFault as runtime_fault:
self.module.fail_json(msg="Failed to conifgure the rule set %s as a runtime"
" error happened while applying the reconfiguration:"
" %s" % (rule_name, to_native(runtime_fault.msg)))
results['rule_set_state'][host.name][rule_name] = dict(current_state=rule_enabled,
previous_state=current_rule_state,
desired_state=rule_enabled,
current_allowed_all=playbook_allows_all,
previous_allowed_all=permitted_networking['allowed_hosts']['all_ip'],
desired_allowed_all=playbook_allows_all,
current_allowed_ip=playbook_allowed_ip,
previous_allowed_ip=set(permitted_networking['allowed_hosts']['ip_address']),
desired_allowed_ip=playbook_allowed_ip,
current_allowed_networks=playbook_allowed_networks,
previous_allowed_networks=set(permitted_networking['allowed_hosts']['ip_network']),
desired_allowed_networks=playbook_allowed_networks
)
if enable_disable_changed or allowed_ip_changed:
fw_change_list.append(True)
if any(fw_change_list):
results['changed'] = True
self.module.exit_json(**results)

View file

@ -127,3 +127,78 @@
- host_result_check_mode.rule_set_state[item]['vvold']['previous_state'] == False
with_items:
- '{{ esxi1 }}'
- name: Configure CIMHttpServer rule set on all hosts of {{ ccr1 }}
vmware_host_firewall_manager:
hostname: "{{ vcenter_hostname }}"
username: "{{ vcenter_username }}"
password: "{{ vcenter_password }}"
validate_certs: no
cluster_name: "{{ ccr1 }}"
rules:
- name: CIMHttpServer
enabled: True
allowed_hosts:
- all_ip: False
ip_address:
- "192.168.100.11"
ip_network:
- "192.168.200.0/24"
register: all_hosts_ip_specific
- debug: var=all_hosts_ip_specific
- name: ensure everything is changed for all hosts of {{ ccr1 }}
assert:
that:
- all_hosts_ip_specific.changed
- all_hosts_ip_specific.rule_set_state is defined
- name: ensure CIMHttpServer is configured for all hosts in {{ ccr1 }}
assert:
that:
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['current_state'] == True
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['desired_state'] == True
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['previous_state'] == True
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['current_allowed_all'] == False
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['previous_allowed_all'] == True
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['desired_allowed_all'] == False
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['current_allowed_ip'] == ["192.168.100.11"]
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['previous_allowed_ip'] == []
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['desired_allowed_ip'] == ["192.168.100.11"]
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['current_allowed_networks'] == ["192.168.200.0/24"]
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['previous_allowed_networks'] == []
- all_hosts_ip_specific.rule_set_state[item]['CIMHttpServer']['allowed_hosts']['desired_allowed_networks'] == ["192.168.200.0/24"]
with_items:
- '{{ esxi1 }}'
- '{{ esxi2 }}'
- name: Configure the NFC firewall rule to only allow traffic from one IP on one ESXi host
vmware_host_firewall_manager:
hostname: "{{ vcenter_hostname }}"
username: "{{ vcenter_username }}"
password: "{{ vcenter_password }}"
validate_certs: no
esxi_hostname: "{{ esxi1 }}"
rules:
- name: NFC
enabled: True
allowed_hosts:
- all_ip: False
ip_address:
- "192.168.100.11"
register: single_host_ip_specific
- debug: var=single_host_ip_specific
- name: ensure NFC is configured on that host
assert:
that:
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['current_state'] == True
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['desired_state'] == True
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['previous_state'] == True
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['current_allowed_all'] == False
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['previous_allowed_all'] == True
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['desired_allowed_all'] == False
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['current_allowed_ip'] == ["192.168.100.11"]
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['previous_allowed_ip'] == None
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['desired_allowed_ip'] == ["192.168.100.11"]
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['current_allowed_networks'] == []
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['previous_allowed_networks'] == []
- single_host_ip_specific.rule_set_state[{{ esxi1 }}]['NFC']['allowed_hosts']['desired_allowed_networks'] == []