check systemd version (#1020)

* check systemd version * Update roles/check_system_static/tasks/main.yml
pingcap · Dec 4, 2019 · 6e65334 · 6e65334
1 parent 5002769
commit 6e65334
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/roles/check_system_static/tasks/main.yml b/roles/check_system_static/tasks/main.yml
@@ -19,6 +19,25 @@
     - ansible_distribution in ['CentOS', 'RedHat']
     - ansible_distribution_major_version != '7'
 
+- name: Get systemd info
+  yum:
+    list: systemd
+  register: systemd_info
+  when: ansible_os_family == 'RedHat'
+
+- set_fact:
+    systemd_version: "{{ systemd_info.results | json_query(query) }}"
+  vars:
+    query: "[?yumstate=='installed'].release"
+  when: ansible_os_family == 'RedHat'
+
+- name: Preflight check - Systemd version
+  fail:
+    msg: "Current systemd release is {{ systemd_version }} (below 52.el7), there are some memory bugs. Refer to https://access.redhat.com/discussions/3536621"
+  when: 
+    - ansible_os_family == 'RedHat'
+    - systemd_version[0] < '52.el7'
+
 - name: Deploy epollexclusive script
   copy: src="{{ script_dir }}/check/epollexclusive" dest="{{ deploy_dir }}/epollexclusive" mode=0755