Add windows find disabled agents ps1 (#66)

* Add Windows Support kb0285

Added kb0285_find_disabled_agents.ps1 to enable detection of disabled
agents on Windows.

Modified kb0285_find_disabled_agents.json so it will use the correct
version of the script on Linux and Windows.

* Updated kb0285_find_disabled_agents.ps1

Updated it so that it functions like the Linux version.

* Added blank line to the end of file.

* Updated kb0285 tasks

Updated kb0285 for backwards compatability.

tasks/kb0285_find_disabled_agents.json

@@ -1,6 +1,10 @@
 {
   "puppet_task_version": 1,
   "description": "KB0285 Find Disabled Agents - This Task to be used in conjunction with Puppet Enterprise Knowledge Base Article KB0285 - https://support.puppet.com/hc/en-us/articles/360006717334",
-  "supports_noop": false
+  "supports_noop": false,
+  "implementations": [
+    {"name": "kb0285a_bash_find_disabled_agents.sh", "requirements": ["shell"]},
+    {"name": "kb0285b_powershell_find_disabled_agents.ps1", "requirements": ["powershell"]}
+  ]
 }
 

tasks/kb0285a_bash_find_disabled_agents.json

@@ -0,0 +1,6 @@
+{
+  "puppet_task_version": 1,
+  "description": "KB0285 Find Disabled Agents - This Task to be used in conjunction with Puppet Enterprise Knowledge Base Article KB0285 - https://support.puppet.com/hc/en-us/articles/360006717334",
+  "supports_noop": false
+}
+

tasks/kb0285b_powershell_find_disabled_agents.json

@@ -0,0 +1,6 @@
+{
+  "puppet_task_version": 1,
+  "description": "KB0285 Find Disabled Agents - This Task to be used in conjunction with Puppet Enterprise Knowledge Base Article KB0285 - https://support.puppet.com/hc/en-us/articles/360006717334",
+  "supports_noop": false
+}
+

tasks/kb0285b_powershell_find_disabled_agents.ps1

@@ -0,0 +1,10 @@
+$LOCKFILE="$(cmd.exe /c puppet config print statedir)/agent_disabled.lock"
+
+if(Test-Path $LOCKFILE) {
+  Write-Output "Puppet agent is disabled"
+  cat $LOCKFILE
+}
+else {
+  Write-Output "Puppet agent is enabled"
+  EXIT 1
+}