various tweaks

Dockerfile

@@ -4,7 +4,7 @@ RUN yum install 'dnf-command(config-manager)' -y
 RUN yum config-manager --set-enabled PowerTools
 RUN yum install epel-release  -y
 
-RUN yum install ansible -y
+RUN yum install ansible iputils -y
 
 ADD exec-playbook /root/exec-playbook
 ADD ansible.cfg /root/.ansible.cfg

exec-playbook

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -euo pipefail
+set -xeuo pipefail
 
 [[ -z ${IP:-} ]] && {
 	echo "Environment variable [IP] is not defined. Cannot continue."
@@ -27,8 +27,10 @@ pkey_file=/root/.ssh/id_rsa
 	exit 1
 }
 
-# wait for network
-echo "waiting for network.."
-sleep 10
+gw=$(ip r|grep -Po 'default via \S+'|awk '{print $3}')
+arping ${gw} -c5
+ping ${gw} -c5
+arping ${IP} -c5
+ping ${IP} -c5
 
 ansible-playbook --ssh-extra-args="-i ${pkey_file}" -u root -i ${IP}, ${PLAYBOOK}

playbook-example/roles/common/tasks/main.yml

@@ -0,0 +1,5 @@
+---
+- name: Wait for network
+  wait_for_connection:
+    delay: 10
+    timeout: 300

playbook-example/test.yml

@@ -1,6 +1,10 @@
 ---
 - hosts: all
-  name: Is this thing on?
+  gather_facts: false
+
+  roles:
+    - common
+
   tasks:
     - name: Create a file called '/tmp/derp' with content 'derpage'.
       copy: