improve idempotency with changed_when/failed_when, args creates

Azure/Ansible/roles/common/tasks/main.yml

@@ -6,6 +6,7 @@
     chdir: 'c:\vagrant\scripts'
   register: palantir_wef
   failed_when: "'Exception' in palantir_wef.stdout"
+  changed_when: "' already exists. Moving On.' not in palantir_wef.stdout"
 
 - debug: msg="{{ palantir_wef.stdout_lines }}"
   
@@ -15,6 +16,7 @@
     chdir: 'c:\vagrant\scripts'
   register: install_osquery
   failed_when: "'Exception' in install_osquery.stdout"
+  changed_when: "' already installed. Moving On.' not in install_osquery.stdout"
 
 - debug: msg="{{ install_osquery.stdout_lines }}"
 
@@ -24,6 +26,7 @@
     chdir: 'c:\vagrant\scripts'
   register: sysinternals
   failed_when: "'Exception' in sysinternals.stdout"
+  changed_when: "'Tools directory exists, no need to re-install.' not in sysinternals.stdout"
 
 - debug: msg="{{ sysinternals.stdout_lines }}"
 
@@ -33,6 +36,7 @@
     chdir: 'c:\vagrant\scripts'
   register: velociraptor
   failed_when: "'Exception' in velociraptor.stdout"
+  changed_when: "' already installed. Moving On.' not in velociraptor.stdout"
 
 - debug: msg="{{ velociraptor.stdout_lines }}"
 
@@ -42,6 +46,7 @@
     chdir: 'c:\vagrant\scripts'
   register: autorunstowineventlog
   failed_when: "'Exception' in autorunstowineventlog.stdout"
+  changed_when: "' already installed. Moving On.' not in autorunstowineventlog.stdout"
 
 - debug: msg="{{ autorunstowineventlog.stdout_lines }}"
 
@@ -51,6 +56,7 @@
     chdir: 'c:\vagrant\scripts'
   register: redteam
   failed_when: "'Exception' in redteam.stdout"
+  changed_when: "' already installed. Moving On.' not in redteam.stdout"
 
 - debug: msg="{{ redteam.stdout_lines }}"