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NTP role
========
This role facilitates the configuration of network time protocol (NTP) attributes. It specifically enables configuration of NTP server, NTP source, authentication, and broadcast service. This role is abstracted for Dell EMC PowerSwitch platforms running Dell EMC SmartFabric OS10.
The NTP role requires an SSH connection for connectivity to a Dell EMC SmartFabric OS10 device. You can use any of the built-in OS connection variables.
Role variables
--------------
- Role is abstracted using the `ansible_network_os` variable that can take `dellemc.os10.os10` as the value
- If `os10_cfg_generate` is set to true, the variable generates the role configuration commands in a file
- Any role variable with a corresponding state variable set to absent negates the configuration of that variable
- Setting an empty value for any variable negates the corresponding configuration
- Variables and values are case-sensitive
**os10_ntp keys**
| Key | Type | Description | Support |
|------------|---------------------------|---------------------------------------------------------|-----------------------|
| ``server`` | list | Configures the NTP server (see ``server.*``) | os10 |
| ``server.ip`` | string (required) | Configures an IPv4 address for the NTP server (A.B.C.D format) | os10 |
| ``server.key`` | integer | Configures the peer authentication key for the NTP server | os10 |
| ``server.prefer`` | boolean | Configures the peer preference | os10 |
| ``server.state`` | string: absent,present\* | Deletes the NTP server if set to absent | os10 |
| ``source`` | string | Configures the interface for the source address | os10 |
| ``master`` | integer | Configures the local clock to act as the server | os10 |
| ``authenticate`` | boolean | Configures authenticate time sources | os10 |
| ``authentication_key`` | list | Configures authentication key for trusted time sources (see ``authentication_key.*``) | os10 |
| ``authentication_key.key_num`` | integer | Configures authentication key number | os10 |
| ``authentication_key.key_string_type`` | integer: 0,9 | Configures hidden authentication key string if the value is 9, and configures unencrypted authentication key string if the value is 0 | os10 |
| ``authentication_key.key_string`` | string | Configures the authentication key string | os10 |
| ``authentication_key.type`` | string: md5,sha1,sha2-256 | Configures the authentication type | os10 |
| ``authentication_key.state`` | string: absent,present\* | Deletes the authenticaton key if set to absent | os10 |
| ``trusted_key`` | list | Configures key numbers for trusted time sources (see ``trusted_key.*``) | os10 |
| ``trusted_key.key_num`` | integer | Configures the key number | os10 |
| ``trusted_key.state`` | string: absent,present\* | Deletes the trusted key if set to absent | os10 |
| ``intf`` | dictionary | Configures NTP on the interface (see ``intf.*``) | os10 |
| ``intf.<interface name>`` | dictionary | Configures NTP on the interface (see ``<interface name>.*``) | os10 |
| ``<interface name>.disable`` | boolean | Configures NTP disable on the interface | os10 |
| ``<interface name>.broadcast`` | boolean | Configures NTP broadcast client service on the interface | os10 |
| ``vrf`` | dictionary | Enables NTP on VRF (see ``vrf.*``) | os10 |
| ``vrf.name`` | string | Name of the VRF to enable NTP | os10 |
| ``vrf.state`` | string: absent,present\* | Disables NTP on the VRF if set to absent | os10 |
> **NOTE**: Asterisk (\*) denotes the default value if none is specified.
Connection variables
--------------------
Ansible Dell EMC network roles require connection information to establish communication with the nodes in your inventory. This information can exist in the Ansible *group_vars* or *host_vars* directories or inventory or in the playbook itself.
| Key | Required | Choices | Description |
|-------------|----------|------------|-------------------------------------------------------|
| ``ansible_host`` | yes | | Specifies the hostname or address for connecting to the remote device over the specified transport |
| ``ansible_port`` | no | | Specifies the port used to build the connection to the remote device; if value is unspecified, the `ANSIBLE_REMOTE_PORT` option is used; it defaults to 22 |
| ``ansible_ssh_user`` | no | | Specifies the username that authenticates the CLI login for the connection to the remote device; if value is unspecified, the `ANSIBLE_REMOTE_USER` environment variable value is used |
| ``ansible_ssh_pass`` | no | | Specifies the password that authenticates the connection to the remote device |
| ``ansible_become`` | no | yes, no\* | Instructs the module to enter privileged mode on the remote device before sending any commands; if value is unspecified, the `ANSIBLE_BECOME` environment variable value is used, and the device attempts to execute all commands in non-privileged mode |
| ``ansible_become_method`` | no | enable, sudo\* | Instructs the module to allow the become method to be specified for handling privilege escalation; if value is unspecified, the `ANSIBLE_BECOME_METHOD` environment variable value is used |
| ``ansible_become_pass`` | no | | Specifies the password to use if required to enter privileged mode on the remote device; if ``ansible_become`` is set to no this key is not applicable |
| ``ansible_network_os`` | yes | os10, null\* | Loads the correct terminal and cliconf plugins to communicate with the remote device |
> **NOTE**: Asterisk (\*) denotes the default value if none is specified.
Example playbook
----------------
This example uses the *os10_ntp* role to set the NTP server, source ip, authentication and broadcast service. It creates a *hosts* file with the switch details and corresponding variables. The hosts file should define the `ansible_network_os` variable with corresponding Dell EMC OS10 name.
When the `os10_cfg_generate` variable is set to true, it generates the configuration commands as a .part file in *build_dir* path. By default it is set to false. The example writes a simple playbook that only references the *os10_ntp* role.
By including the role, you automatically get access to all of the tasks to configure NTP attributes. The sample *host_vars* is for os10.
**Sample hosts file**
leaf1 ansible_host= <ip_address>
**Sample host_vars/leaf1**
host: leaf1
ansible_ssh_user: xxxxx
ansible_ssh_pass: xxxxx
ansible_network_os: dellemc.os10.os10
build_dir: ../temp/os10
os10_ntp:
source: ethernet 1/1/2
master: 5
authenticate: true
authentication_key:
- key_num: 123
key_string_type: 9
key_string: test
type: md5
state: present
trusted_key:
- key_num: 1323
state: present
server:
- ip: 2.2.2.2
key: 345
prefer: true
state: present
intf:
ethernet 1/1/2:
disable: true
broadcast: true
vrf:
name: red
state: present
**Simple playbook to setup NTP — leaf.yaml**
- hosts: leaf1
roles:
- dellemc.os10.os10_ntp
**Run**
ansible-playbook -i hosts leaf.yaml
(c) 2017-2020 Dell Inc. or its subsidiaries. All rights reserved.
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