Move ironic to plugin

Also adds an is_ironic_enabled() function to prepare for an upcoming
change in is_service_enabled().

Change-Id: I6e6e0e8b70221e231785ab27e9b5d4836933ac4c
diff --git a/extras.d/50-ironic.sh b/extras.d/50-ironic.sh
new file mode 100644
index 0000000..f68a146
--- /dev/null
+++ b/extras.d/50-ironic.sh
@@ -0,0 +1,33 @@
+# ironic.sh - Devstack extras script to install ironic
+
+if is_service_enabled ir-api ir-cond; then
+    if [[ "$1" == "source" ]]; then
+        # Initial source
+        source $TOP_DIR/lib/ironic
+    elif [[ "$1" == "stack" && "$2" == "install" ]]; then
+        echo_summary "Installing Ironic"
+        install_ironic
+        install_ironicclient
+        cleanup_ironic
+    elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
+        echo_summary "Configuring Ironic"
+        configure_ironic
+
+        if is_service_enabled key; then
+            create_ironic_accounts
+        fi
+
+    elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
+        # Initialize ironic
+        init_ironic
+
+        # Start the ironic API and ironic taskmgr components
+        echo_summary "Starting Ironic"
+        start_ironic
+    fi
+
+    if [[ "$1" == "unstack" ]]; then
+        stop_ironic
+        cleanup_ironic
+    fi
+fi