ironic-discoverd-ramdisk element cleanup

- Properly rename files
- Use new package-installs
- Properly check for discoverd_callback_url option
  (and return backward compatibility)

Change-Id: I2247047b9360945408e720329d5b134cfa384ae5

elements/ironic-discoverd-ramdisk/element-deps

@@ -0,0 +1 @@
+package-installs

elements/ironic-discoverd-ramdisk/init.d/80-ironic-discoverd-ramdisk

@@ -1,4 +1,15 @@
-readonly DISCOVERD_URL=$(get_kernel_parameter discoverd_callback_url)
+DISCOVERD_URL=$(get_kernel_parameter discoverd_callback_url)
+if [ -z "$DISCOVERD_URL" ]; then
+    # Some old ramdisks are around
+    DISCOVERD_URL=$(get_kernel_parameter ironic_callback_url)
+    if [ -z "$DISCOVERD_URL" ]; then
+        echo "No discoverd_callback_url supplied"
+        troubleshoot
+    else
+        echo "WARNING: deprecated option ironic_callback_url"
+        echo "WARNING: use discoverd_callback_url instead"
+    fi
+fi
 
 function request_curl(){
     HTTP_METHOD=$1

elements/ironic-discoverd-ramdisk/install.d/51-discovery-ironic-install-util-linux

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-set -eu
-set -o pipefail
-
-install-packages util-linux

elements/ironic-discoverd-ramdisk/install.d/53-discovery-ironic-install-curl

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-set -eu
-set -o pipefail
-
-install-packages curl

elements/ironic-discoverd-ramdisk/install.d/54-discovery-ironic-install-dmidecode

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-set -eu
-set -o pipefail
-
-install-packages dmidecode

elements/ironic-discoverd-ramdisk/install.d/55-discovery-ironic-install-ipmitool

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-set -eu
-set -o pipefail
-
-install-packages ipmitool

elements/ironic-discoverd-ramdisk/package-installs.yaml

@@ -0,0 +1,4 @@
+curl:
+dmidecoded:
+ipmitool:
+util-linux: