Minor updates for the discovery ramdisk element

* Use package-installs.yaml
* Name files consistently
* Update README

Change-Id: Ie5367ed81e07c2f135acf1857d4d335dfaba6162

elements/ironic-discoverd-ramdisk-instack/README.md

@@ -12,7 +12,8 @@ The hardware information collected by the ramdisk are:
 * CPU count and architecture
 * Memory amount in MiB
 * Hard drive size in GiB
-* IP and mac addresses for all NICs except the loopback
+* IP and MAC addresses for all NICs except the loopback
+* Various hardware data detected by python-hardware library
 
 The machine is halted at the end of the process.
 

elements/ironic-discoverd-ramdisk-instack/install.d/56-discovery-ironic-install-hardware

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-set -eu
-set -o pipefail
-
-install-packages hdparm ipmitool lshw ethtool lldpad hdparm sdparm pciutils mcelog smartmontools util-linux lvm2 jq fio sysbench python-hardware

elements/ironic-discoverd-ramdisk-instack/install.d/57-discovery-ironic-install-lsblk

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

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

@@ -0,0 +1,17 @@
+hdparm:
+ipmitool:
+lshw:
+ethtool:
+lldpad:
+hdparm:
+sdparm:
+pciutils:
+mcelog:
+smartmontools:
+util-linux:
+lvm2:
+jq:
+fio:
+sysbench:
+python-hardware:
+util-linux: