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[Ovirt-devel] [PATCH appliance] Fake Node creation now creates nodes with 128MB disk for use in testing



This allows easy testing of Node 'installation' and persistent config
data.  Includes suggestions by Alan Pevec for making the spec file
portable between Fedora and RHEL based systems by removing
Requires: qemu-img and replacing with Requires: /usr/bin/qemu-img

Also removes the PACKAGES check for Red Hat/Fedora systems since
these checks are handled by the RPM deps.

Signed-off-by: Perry Myers <pmyers redhat com>
---
 create-ovirt-appliance |   21 +++++++++++++++++----
 ovirt-appliance.spec   |    1 +
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/create-ovirt-appliance b/create-ovirt-appliance
index 071781a..773d4d6 100755
--- a/create-ovirt-appliance
+++ b/create-ovirt-appliance
@@ -14,6 +14,9 @@ NAME_DEFAULT=ovirt-appliance
 NET_SCRIPTS=/etc/sysconfig/network-scripts
 BRIDGENAME=ovirtbr0
 
+NODE_DISK_SIZE=128M
+NODE_DISK_FMT=raw
+
 imgdir=$IMGDIR_DEFAULT
 name=$NAME_DEFAULT
 
@@ -57,6 +60,7 @@ EOF
 
 gen_fake_managed_node() {
     local num=$1
+    local disk=$2
     local last_mac=$(( 54 + $num ))
 
     cat <<EOF
@@ -76,6 +80,10 @@ gen_fake_managed_node() {
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>$KVM_BINARY</emulator>
+    <disk type='file' device='disk'>
+      <source file='$disk'/>
+      <target dev='hda'/>
+    </disk>
     <interface type='network'>
       <mac address='00:16:3e:12:34:$last_mac'/>
       <source network='$BRIDGENAME'/>
@@ -144,8 +152,8 @@ fi
 
 # now make sure the packages we need are installed
 if [ -e /etc/redhat-release ]; then
-    PACKAGES="libvirt kvm"
-    CHECK=$(rpm $(printf " -q %s " "$PACKAGES")  &> /dev/null; echo $?)
+    # We rely on RPM deps for this in Red Hat/Fedora systems
+    CHECK=0
     KVM_BINARY=/usr/bin/qemu-kvm
 elif [ -e /etc/debian_version ]; then
     # Works in Ubuntu 8.04. Still needs testing in Debian
@@ -199,12 +207,18 @@ if [ -n "$bridge" ]; then
         && die "$bridge device active with ip address, aborting!"
 fi
 
+mkdir -p $imgdir
+
 # define the fake managed nodes we will use.
 for i in `seq 3 5` ; do
+    imgname="node${i}.img"
+    if [ ! -f $imgdir/$imgname ]; then
+        qemu-img create -f $NODE_DISK_FMT $imgdir/$imgname $NODE_DISK_SIZE
+    fi
     virsh destroy node$i >& /dev/null
     virsh undefine node$i >& /dev/null
     TMPXML=$(mktemp)
-    gen_fake_managed_node $i > $TMPXML
+    gen_fake_managed_node $i $imgdir/$imgname > $TMPXML
     virsh define $TMPXML
     rm $TMPXML
 done
@@ -265,7 +279,6 @@ fi
     virsh undefine bundled
 } > /dev/null 2>&1
 
-mkdir -p $imgdir
 imgname=$name.img
 test ! -r $imgdir/$imgname && die "Disk image not found at $imgdir/$imgname"
 virsh destroy $name > /dev/null 2>&1
diff --git a/ovirt-appliance.spec b/ovirt-appliance.spec
index 52c248d..bd32391 100644
--- a/ovirt-appliance.spec
+++ b/ovirt-appliance.spec
@@ -25,6 +25,7 @@ BuildRequires: wget
 # is fixed, these Requires should be fixed.
 Requires: libvirt >= 0.4.4-2ovirt2
 Requires: kvm >= 72-3ovirt3
+Requires: /usr/bin/qemu-img
 
 %define app_root %{_datadir}/%{name}
 
-- 
1.5.5.1


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