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[Xen-devel] [PATCH 02/11] Introduce cirros tests

Add support for using cirros images in raisin tests

Signed-off-by: Géza Gémes <geza.gemes@xxxxxxxxx>
---
 lib/common-functions.sh            |  23 +++++++
 lib/common-tests.sh                | 126 +++++++++++++++++++++++++++++++++++++
 tests-configs/config-cirros_x86_32 |  13 ++++
 tests-configs/config-cirros_x86_64 |  13 ++++
 4 files changed, 175 insertions(+)
 create mode 100644 tests-configs/config-cirros_x86_32
 create mode 100644 tests-configs/config-cirros_x86_64

diff --git a/lib/common-functions.sh b/lib/common-functions.sh
index d4476f3..d82d7ab 100644
--- a/lib/common-functions.sh
+++ b/lib/common-functions.sh
@@ -439,3 +439,26 @@ function uninstall_package() {
         error_echo "Don't know how to uninstall packages on $DISTRO"
     fi
 }
+
+function get-qemu-img() {
+    set +e
+    QEMU_IMG=`which qemu-img`
+    set -e
+    if [[ -z "$QEMU_IMG" ]]
+    then
+        QEMU_IMG="/usr/lib/xen/bin/qemu-img"
+    fi
+    export QEMU_IMG
+}
+
+function get-pvgrub() {
+    ARCH=$1
+    set +e
+    PVGRUB=`which grub-${ARCH}-xen`
+    set -e
+    if [[ -z "$PVGRUB" ]]
+    then
+        PVGRUB="/usr/lib/xen/boot/grub-${ARCH}-xen"
+    fi
+    export PVGRUB
+}
diff --git a/lib/common-tests.sh b/lib/common-tests.sh
index d346af4..1deaf4f 100644
--- a/lib/common-tests.sh
+++ b/lib/common-tests.sh
@@ -178,3 +178,129 @@ function get_host_initrd() {
         exit 1
     fi
 }
+
+function cirros_network_init() {
+    rootdir=$1
+    ifile=`mktemp`
+    # Create static network config
+    cat >$ifile <<EOF
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+    address 169.254.0.2
+    network 169.254.0.0
+    broadcast 169.254.0.255
+    netmask 255.255.255.0
+EOF
+    $SUDO mv $ifile $rootdir/etc/network/interfaces
+    # Disable cloud-init
+    $SUDO rm -f ${rootdir}/etc/rc3.d/S*cirros*ds*
+    $SUDO rm -f ${rootdir}/etc/rc3.d/S*-cirros-userdata
+}
+
+function get_cirros_kernel() {
+    bootdir=$1
+    basename `find $bootdir -name vmlinuz* 2>/dev/null | head -1`
+}
+
+function get_cirros_initrd() {
+    bootdir=$1
+    basename `find $bootdir -name initrd* 2>/dev/null | head -1`
+}
+
+function cirros_grub_cfg() {
+    rootdir=$1
+    grubroot="`echo $CIRROS_GRUB_CFG | cut -d ')' -f 1`)"
+    grubcfg="`echo $CIRROS_GRUB_CFG | cut -d ')' -f 2`"
+    grubdir=`dirname $grubcfg`
+    bootdir=`dirname $grubdir`
+    tmpgrubcfg=`mktemp`
+    cat > $tmpgrubcfg <<EOF
+root="$grubroot"
+insmod xzio
+insmod gzio
+insmod btrfs
+insmod ext2
+set timeout=1
+set default=0
+menuentry Cirros {
+    linux `echo $bootdir`/`get_cirros_kernel ${rootdir}/${bootdir}` 
root=/dev/xvda1 ro
+    initrd `echo $bootdir`/`get_cirros_initrd ${rootdir}/${bootdir}`
+}
+EOF
+    $SUDO mv $tmpgrubcfg ${rootdir}/${grubcfg}
+}
+
+function download_cirros_components() {
+    verbose_echo "Downloading cirros components"
+    . tests-configs/config-cirros_$RAISIN_ARCH
+    mkdir -p $CIRROS_DOWNLOADS
+    wget -q -c $CIRROS_KERNEL_URL -P $CIRROS_DOWNLOADS
+    wget -q -c $CIRROS_INITRD_URL -P $CIRROS_DOWNLOADS
+    wget -q -c $CIRROS_ROOTFS_URL -P $CIRROS_DOWNLOADS
+    wget -q -c $CIRROS_DISK_URL -P $CIRROS_DOWNLOADS
+}
+
+function set_up_cirros_kernel_initrd() {
+    local testdir=$1
+    mkdir -p $testdir
+    download_cirros_components
+    verbose_echo "Setting up kernel and initrd for cirros test"
+    cp $CIRROS_DOWNLOADS/$CIRROS_KERNEL_FILE $testdir
+    cp $CIRROS_DOWNLOADS/$CIRROS_INITRD_FILE $testdir
+}
+
+function set_up_cirros_rootfs() {
+    local testdir=$1
+    mkdir -p $testdir
+    download_cirros_components
+    verbose_echo "Setting up rootfs for cirros test"
+    cp $CIRROS_DOWNLOADS/$CIRROS_ROOTFS_FILE.gz $testdir
+    gunzip $testdir/$CIRROS_ROOTFS_FILE.gz
+    local cirros_rootfs_loop=`create_loop $testdir/$CIRROS_ROOTFS_FILE`
+    local cirros_rootfs_mntpt=`mktemp -d`
+    $SUDO mount $cirros_rootfs_loop $cirros_rootfs_mntpt
+    cirros_network_init $cirros_rootfs_mntpt
+    $SUDO umount $cirros_rootfs_mntpt
+    $SUDO rmdir $cirros_rootfs_mntpt
+    $SUDO losetup -d $cirros_rootfs_loop
+}
+
+function set_up_cirros_disk() {
+    local testdir=$1
+    mkdir -p $testdir
+    local grub_install=False
+    if [[ $# -gt 1 ]]
+    then
+        grub_install=$2
+    else
+        unset grub_install
+    fi
+    download_cirros_components
+    verbose_echo "Setting up disk for cirros test"
+    $QEMU_IMG convert -f qcow2 -O raw $CIRROS_DOWNLOADS/$CIRROS_DISK_FILE 
$testdir/$CIRROS_DISK_FILE
+    local cirros_disk_loop=`$SUDO $BASEDIR/scripts/lopartsetup 
$testdir/$CIRROS_DISK_FILE | head -1 | cut -d ":" -f 1`
+    local cirros_disk_mntpt=`mktemp -d`
+    $SUDO mount $cirros_disk_loop $cirros_disk_mntpt
+    cirros_network_init $cirros_disk_mntpt
+    if [[ -n $grub_install ]]
+    then
+        cirros_grub_cfg $cirros_disk_mntpt
+    fi
+    $SUDO umount $cirros_disk_mntpt
+    $SUDO rmdir $cirros_disk_mntpt
+    $SUDO losetup -d $cirros_disk_loop
+}
+
+function tear_down_cirros_test() {
+    testdir=$1
+    if [[ `$SUDO xl vm-list | grep -e "raisin-test" | wc -l` -gt 0 ]]
+    then
+        $SUDO xl destroy "raisin-test"
+    fi
+    verbose_echo "$PREPEND deleting environment of cirros test"
+    $SUDO rm -rf $testdir
+}
+
diff --git a/tests-configs/config-cirros_x86_32 
b/tests-configs/config-cirros_x86_32
new file mode 100644
index 0000000..5402415
--- /dev/null
+++ b/tests-configs/config-cirros_x86_32
@@ -0,0 +1,13 @@
+CIRROS_ARCH=i386
+CIRROS_BASE_URL="https://download.cirros-cloud.net/";
+CIRROS_VERSION="0.3.5"
+CIRROS_DOWNLOADS=$BASEDIR/downloads
+CIRROS_KERNEL_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-kernel
+CIRROS_INITRD_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-initramfs
+CIRROS_ROOTFS_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-rootfs.img
+CIRROS_DISK_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-disk.img
+CIRROS_KERNEL_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_KERNEL_FILE}
+CIRROS_INITRD_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_INITRD_FILE}
+CIRROS_ROOTFS_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_ROOTFS_FILE}.gz
+CIRROS_DISK_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_DISK_FILE}
+CIRROS_GRUB_CFG="(xen/xvda,msdos1)/boot/grub/grub.cfg"
diff --git a/tests-configs/config-cirros_x86_64 
b/tests-configs/config-cirros_x86_64
new file mode 100644
index 0000000..72cf489
--- /dev/null
+++ b/tests-configs/config-cirros_x86_64
@@ -0,0 +1,13 @@
+CIRROS_ARCH=x86_64
+CIRROS_BASE_URL="https://download.cirros-cloud.net/";
+CIRROS_VERSION="0.3.5"
+CIRROS_DOWNLOADS=$BASEDIR/downloads
+CIRROS_KERNEL_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-kernel
+CIRROS_INITRD_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-initramfs
+CIRROS_ROOTFS_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-rootfs.img
+CIRROS_DISK_FILE=cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-disk.img
+CIRROS_KERNEL_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_KERNEL_FILE}
+CIRROS_INITRD_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_INITRD_FILE}
+CIRROS_ROOTFS_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_ROOTFS_FILE}.gz
+CIRROS_DISK_URL=${CIRROS_BASE_URL}/${CIRROS_VERSION}/${CIRROS_DISK_FILE}
+CIRROS_GRUB_CFG="(xen/xvda,msdos1)/boot/grub/grub.cfg"
-- 
2.7.4


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