Check for file before altering

0c5eeea8 · Edward Zarecor · 15dceca5 · 0c5eeea8
Commit 0c5eeea8 authored Jan 13, 2016 by Edward Zarecor
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playbooks/roles/aws/tasks/main.yml
+6 -1

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--- a/playbooks/roles/aws/tasks/main.yml
+++ b/playbooks/roles/aws/tasks/main.yml
@@ -33,12 +33,17 @@
    /sbin/ifconfig eth0 mtu 1500 up
  when: ansible_distribution in common_debian_variants

+- name: check for eth0.cfg
+  stat: path=/etc/network/interfaces.d/eth0.cfg
+  register: eth0_cfg
+  when: ansible_distribution in common_debian_variants
+
 - lineinfile: >
    dest=/etc/network/interfaces.d/eth0.cfg
    regexp="^post-up /sbin/ifconfig eth0 mtu 1500"
    line="post-up /sbin/ifconfig eth0 mtu 1500"
    insertafter="^iface"
-  when: ansible_distribution in common_debian_variants
+  when: ansible_distribution in common_debian_variants and eth0_cfg.stat.exists

 #
 # End dealing with Jumbo frames issue in mixed MTU deployements in AWS