veth: Remove support for EL8 / network-scripts

We no longer support EL8 or network-scripts.

Debian systems never used this role, so also removing those tasks.

Change-Id: I17b93c75a1ff8eb8d636247696f4a1709ca486d5

ansible/roles/veth/tasks/Debian.yml

----
-# FIXME: Not persistent!
-- name: Ensure veth pair exists (Debian)
-  command:
-    cmd: "ip link add dev {{ item.device }} type veth peer name {{ item.peer_device }}"
-    creates: "/sys/class/net/{{ item.device }}"
-  become: true
-  with_items: "{{ veth_interfaces }}"
-
-- name: Set veth MTU (Debian)
-  command: "ip link set {{ item.device }} mtu {{ item.mtu }}"
-  become: true
-  with_items: "{{ veth_interfaces }}"
-  when: item.mtu is defined and item.mtu
-
-- name: Set veth peer MTU (Debian)
-  command: "ip link set {{ item.peer_device }} mtu {{ item.peer_mtu }}"
-  become: true
-  with_items: "{{ veth_interfaces }}"
-  when: item.peer_mtu is defined and item.peer_mtu
-
-- name: Plug veth into bridge (Debian)
-  command: "ip link set {{ item.device }} master {{ item.bridge }}"
-  become: true
-  with_items: "{{ veth_interfaces }}"
-  when: item.bridge is defined
-
-- name: Plug veth peer into bridge (Debian)
-  command: "ip link set {{ item.peer_device }} master {{ item.peer_bridge }}"
-  become: true
-  with_items: "{{ veth_interfaces }}"
-  when: item.peer_bridge is defined
-
-- name: Ensure veth is up (Debian)
-  command: "ip link set {{ item.device }} up"
-  with_items: "{{ veth_interfaces }}"
-  become: true
-
-- name: Ensure veth peer is up (Debian)
-  command: "ip link set {{ item.peer_device }} up"
-  with_items: "{{ veth_interfaces }}"
-  become: true

ansible/roles/veth/tasks/RedHat.yml

----
-- include_tasks: network-scripts.yml
-  when: ansible_facts.distribution_major_version | int < 9
-
-- include_tasks: network-manager.yml
-  when: ansible_facts.distribution_major_version | int >= 9

ansible/roles/veth/tasks/main.yml

 ---
-- include_tasks: "{{ ansible_facts.os_family }}.yml"
+- name: Ensure veth network manager connections file exists
+  template:
+    src: veth-nmconnection.j2
+    dest: "/etc/NetworkManager/system-connections/{{ item.device }}.nmconnection"
+    owner: root
+    group: root
+    mode: 0600
+  with_items: "{{ veth_interfaces }}"
+  become: True
+  register: veth_result
+
+- name: Ensure veth peer network manager connections file exists
+  template:
+    src: peer-nmconnection.j2
+    dest: "/etc/NetworkManager/system-connections/{{ item.peer_device }}.nmconnection"
+    owner: root
+    group: root
+    mode: 0600
+  with_items: "{{ veth_interfaces }}"
+  become: True
+  register: peer_result
+
+# NOTE(bbezak) For some reason adding veth pair via loading files to nmcli needs
+# peer device to be loaded first. If not, can't start interface.
+# "Error: Connection activation failed: p-br0-ovs failed to create resources:
+# Failed to create veth interface 'p-br0-ovs' for 'p-br0-ovs': exists"
+- name: Add veth interfaces to network manager
+  shell: |
+    nmcli connection load /etc/NetworkManager/system-connections/{{ item[0].item.peer_device }}.nmconnection &&
+    nmcli connection load /etc/NetworkManager/system-connections/{{ item[0].item.device }}.nmconnection
+  with_together:
+    - "{{ veth_result.results }}"
+    - "{{ peer_result.results }}"
+  when: item[0] is changed or item[1] is changed
+  become: True
+
+- name: Start veth interfaces with network manager
+  shell: |
+    nmcli connection up {{ item[0].item.device }} &&
+    nmcli connection up {{ item[0].item.peer_device }}
+  with_together:
+    - "{{ veth_result.results }}"
+    - "{{ peer_result.results }}"
+  when: item[0] is changed or item[1] is changed
+  become: True

ansible/roles/veth/tasks/network-manager.yml

-- name: Ensure veth network manager connections file exists
-  template:
-    src: veth-nmconnection.j2
-    dest: "/etc/NetworkManager/system-connections/{{ item.device }}.nmconnection"
-    owner: root
-    group: root
-    mode: 0600
-  with_items: "{{ veth_interfaces }}"
-  become: True
-  register: veth_result
-
-- name: Ensure veth peer network manager connections file exists
-  template:
-    src: peer-nmconnection.j2
-    dest: "/etc/NetworkManager/system-connections/{{ item.peer_device }}.nmconnection"
-    owner: root
-    group: root
-    mode: 0600
-  with_items: "{{ veth_interfaces }}"
-  become: True
-  register: peer_result
-
-# NOTE(bbezak) For some reason adding veth pair via loading files to nmcli needs
-# peer device to be loaded first. If not, can't start interface.
-# "Error: Connection activation failed: p-br0-ovs failed to create resources:
-# Failed to create veth interface 'p-br0-ovs' for 'p-br0-ovs': exists"
-- name: Add veth interfaces to network manager
-  shell: |
-    nmcli connection load /etc/NetworkManager/system-connections/{{ item[0].item.peer_device }}.nmconnection &&
-    nmcli connection load /etc/NetworkManager/system-connections/{{ item[0].item.device }}.nmconnection
-  with_together:
-    - "{{ veth_result.results }}"
-    - "{{ peer_result.results }}"
-  when: item[0] is changed or item[1] is changed
-  become: True
-
-- name: Start veth interfaces with network manager
-  shell: |
-    nmcli connection up {{ item[0].item.device }} &&
-    nmcli connection up {{ item[0].item.peer_device }}
-  with_together:
-    - "{{ veth_result.results }}"
-    - "{{ peer_result.results }}"
-  when: item[0] is changed or item[1] is changed
-  become: True

ansible/roles/veth/tasks/network-scripts.yml

----
-- name: Ensure veth sysconfig network control scripts exist
-  copy:
-    src: "{{ item }}"
-    dest: "{{ network_scripts_dir }}/{{ item }}"
-    owner: root
-    group: root
-    mode: 0755
-  with_items:
-    - "ifup-veth"
-    - "ifdown-veth"
-  become: True
-  register: ctl_result
-
-- name: Ensure veth sysconfig network interface files exist
-  template:
-    src: ifcfg-veth.j2
-    dest: "{{ network_scripts_dir }}/ifcfg-{{ item.device }}"
-    owner: root
-    group: root
-    mode: 0644
-  with_items: "{{ veth_interfaces }}"
-  become: True
-  register: veth_result
-
-- name: Ensure veth peer sysconfig network interface files exist
-  template:
-    src: ifcfg-peer.j2
-    dest: "{{ network_scripts_dir }}/ifcfg-{{ item.peer_device }}"
-    owner: root
-    group: root
-    mode: 0644
-  with_items: "{{ veth_interfaces }}"
-  become: True
-  register: peer_result
-
-- name: Bounce veth interfaces
-  shell: ifdown {{ item[0].item.device }} ; ifup {{ item[0].item.device }}
-  with_together:
-    - "{{ veth_result.results }}"
-    - "{{ peer_result.results }}"
-  when: ctl_result is changed or item[0] is changed or item[1] is changed
-  become: True