QoS role

This role facilitates the configuration quality of service (QoS) attributes like policy-map and class-map. This role is abstracted for dellos10 and dellos6. The QoS role requires an SSH connection for connectivity to a Dell EMC Networking device. You can use any of the built-in OS connection variables .

Installation

ansible-galaxy install Dell-Networking.dellos-qos

Role variables

• Role is abstracted using the ansible_network_os variable that can take a dellos10 and dellos6 values
• If dellos_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

dellos_qos keys

Key	Type	Description	Support
policy_map	list	Configures the policy-map (see policy_map.*)	dellos6, dellos10
policy_map.name	string (required)	Configures the policy-map name	dellos6, dellos10
policy_map.type	string: qos*, application, control-plane, network-qos, queuing in dellos10; string: in, out in dellos6	Configures the policy-map type	dellos6, dellos10
policy_map.class_instances	list	Specifies the class instances for the policy	dellos6
class_instances.name	string	Specifies name of class instance	dellos6
class_instances.policy	list	Specifies list of associated policies for the class	dellos6
policy_map.state	string: present*,absent	Deletes the policy-map if set to absent	dellos6, dellos10
class_map	list	Configures the class-map (see class_map.*)	dellos6, dellos10
class_map.name	string (required)	Configures the class-map name	dellos6, dellos10
class_map.type	string: qos*,application,control-plane,network-qos,queuing in dellos10; string: match-all, match-any in dellos6	Configures the class-map type	dellos6, dellos10
class-map.match_condition	list	Specifies the type of match-conditions required for the class	dellos6
class_map.state	string: present*,absent	Deletes the class-map if set to absent	dellos6, dellos10

NOTE: Asterisk (*) denotes the default value if none is specified.

Connection variables

Ansible Dell EMC Networking 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	dellos6/dellos9/dellos10, null*	Loads the correct terminal and cliconf plugins to communicate with the remote device

NOTE: Asterisk (*) denotes the default value if none is specified.

Dependencies

The dellos-qos role is built on modules included in the core Ansible code. These modules were added in Ansible version 2.2.0.

Example playbook

This example uses the dellos.dellos-qos role to configure the policy-map class-map. 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 networking OS name.

When dellos_cfg_generate is set to true, the variable generates the configuration commands as a .part file in build_dir path. By default, the variable is set to false. It writes a simple playbook that only references the dellos-qos role. By including the role, you automatically get access to all of the tasks to configure QoS features.

Sample hosts file

leaf1 ansible_host= <ip_address> 

Sample host_vars/leaf1

hostname: leaf1
ansible_ssh_user: xxxxx
ansible_ssh_pass: xxxxx
ansible_network_os: dellos10
build_dir: ../temp/dellos10
  
dellos_qos:
  policy_map:
   - name: testpolicy
     type: qos
     state: present
  class_map:
   - name: testclass
     type: application
     state: present

Simple playbook to setup qos - leaf.yaml

- hosts: leaf1
  roles:
     - Dell-Networking.dellos-qos

Run

ansible-playbook -i hosts leaf.yaml

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