Fix infrared-centos-8 job

Change-Id: Ia691a55cb769e0494ab752f410923f7abead53d2

infrared_plugin/roles/tobiko-ir-run/tasks/main.yaml

@@ -1,5 +1,8 @@
 ---
 
+- include_role:
+    name: tobiko-fixup-stuff
+
 - block:
     - include_role: name=tobiko-ir-jenkins
       when:  "(lookup('env','JENKINS_URL') | length) > 0"

roles/tobiko-fixup-stuff/tasks/centos.yaml

@@ -0,0 +1,9 @@
+---
+
+# https://bugzilla.redhat.com/show_bug.cgi?id=2037807
+- name: Workaround CentOS 8-stream iputils and systemd Bug#2037807
+  become: true
+  shell: >
+    sysctl -w net.ipv4.ping_group_range='0 2147483647'
+  when:
+    - ansible_distribution_version == '8'

roles/tobiko-fixup-stuff/tasks/main.yaml

@@ -0,0 +1,5 @@
+---
+
+- name: "Run CentOS fix-up tasks"
+  include_tasks: centos.yaml
+  when: ansible_distribution == 'CentOS'

zuul.d/infrared.yaml

@@ -75,7 +75,7 @@
     name: tobiko-infrared-centos-8
     parent: tobiko-infrared
     nodeset: tobiko-infrared-centos-8
-    voting: false
+    voting: true
     description: |
       Run test cases using tobiko infrared plugin on CentOS 8