| #!/bin/bash | 
 | # | 
 | # functions - DevStack-specific functions | 
 | # | 
 | # The following variables are assumed to be defined by certain functions: | 
 | # | 
 | # - ``DATABASE_BACKENDS`` | 
 | # - ``ENABLED_SERVICES`` | 
 | # - ``FILES`` | 
 | # - ``GLANCE_HOSTPORT`` | 
 | # | 
 |  | 
 | # Include the common functions | 
 | FUNC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd) | 
 | source ${FUNC_DIR}/functions-common | 
 | source ${FUNC_DIR}/inc/python | 
 |  | 
 | # Save trace setting | 
 | XTRACE=$(set +o | grep xtrace) | 
 | set +o xtrace | 
 |  | 
 | # Check if a function already exists | 
 | function function_exists { | 
 |     declare -f -F $1 > /dev/null | 
 | } | 
 |  | 
 | # Retrieve an image from a URL and upload into Glance. | 
 | # Uses the following variables: | 
 | # | 
 | # - ``FILES`` must be set to the cache dir | 
 | # - ``GLANCE_HOSTPORT`` | 
 | # | 
 | # upload_image image-url glance-token | 
 | function upload_image { | 
 |     local image_url=$1 | 
 |     local token=$2 | 
 |  | 
 |     local image image_fname image_name | 
 |  | 
 |     # Create a directory for the downloaded image tarballs. | 
 |     mkdir -p $FILES/images | 
 |     image_fname=`basename "$image_url"` | 
 |     if [[ $image_url != file* ]]; then | 
 |         # Downloads the image (uec ami+akistyle), then extracts it. | 
 |         if [[ ! -f $FILES/$image_fname || "$(stat -c "%s" $FILES/$image_fname)" = "0" ]]; then | 
 |             wget --progress=dot:giga -c $image_url -O $FILES/$image_fname | 
 |             if [[ $? -ne 0 ]]; then | 
 |                 echo "Not found: $image_url" | 
 |                 return | 
 |             fi | 
 |         fi | 
 |         image="$FILES/${image_fname}" | 
 |     else | 
 |         # File based URL (RFC 1738): ``file://host/path`` | 
 |         # Remote files are not considered here. | 
 |         # unix: ``file:///home/user/path/file`` | 
 |         # windows: ``file:///C:/Documents%20and%20Settings/user/path/file`` | 
 |         image=$(echo $image_url | sed "s/^file:\/\///g") | 
 |         if [[ ! -f $image || "$(stat -c "%s" $image)" == "0" ]]; then | 
 |             echo "Not found: $image_url" | 
 |             return | 
 |         fi | 
 |     fi | 
 |  | 
 |     # OpenVZ-format images are provided as .tar.gz, but not decompressed prior to loading | 
 |     if [[ "$image_url" =~ 'openvz' ]]; then | 
 |         image_name="${image_fname%.tar.gz}" | 
 |         openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name" --public --container-format ami --disk-format ami < "${image}" | 
 |         return | 
 |     fi | 
 |  | 
 |     # vmdk format images | 
 |     if [[ "$image_url" =~ '.vmdk' ]]; then | 
 |         image_name="${image_fname%.vmdk}" | 
 |  | 
 |         # Before we can upload vmdk type images to glance, we need to know it's | 
 |         # disk type, storage adapter, and networking adapter. These values are | 
 |         # passed to glance as custom properties. | 
 |         # We take these values from the vmdk file if populated. Otherwise, we use | 
 |         # vmdk filename, which is expected in the following format: | 
 |         # | 
 |         #     <name>-<disk type>;<storage adapter>;<network adapter> | 
 |         # | 
 |         # If the filename does not follow the above format then the vsphere | 
 |         # driver will supply default values. | 
 |  | 
 |         local vmdk_disktype="" | 
 |         local vmdk_net_adapter="e1000" | 
 |         local path_len | 
 |  | 
 |         # vmdk adapter type | 
 |         local vmdk_adapter_type="$(head -25 $image | { grep -a -F -m 1 'ddb.adapterType =' $image || true; })" | 
 |         vmdk_adapter_type="${vmdk_adapter_type#*\"}" | 
 |         vmdk_adapter_type="${vmdk_adapter_type%?}" | 
 |  | 
 |         # vmdk disk type | 
 |         local vmdk_create_type="$(head -25 $image | { grep -a -F -m 1 'createType=' $image || true; })" | 
 |         vmdk_create_type="${vmdk_create_type#*\"}" | 
 |         vmdk_create_type="${vmdk_create_type%\"*}" | 
 |  | 
 |         descriptor_data_pair_msg="Monolithic flat and VMFS disks "` | 
 |                                     `"should use a descriptor-data pair." | 
 |         if [[ "$vmdk_create_type" = "monolithicSparse" ]]; then | 
 |             vmdk_disktype="sparse" | 
 |         elif [[ "$vmdk_create_type" = "monolithicFlat" || "$vmdk_create_type" = "vmfs" ]]; then | 
 |             # Attempt to retrieve the ``*-flat.vmdk`` | 
 |             local flat_fname="$(head -25 $image | { grep -G 'RW\|RDONLY [0-9]+ FLAT\|VMFS' $image || true; })" | 
 |             flat_fname="${flat_fname#*\"}" | 
 |             flat_fname="${flat_fname%?}" | 
 |             if [[ -z "$flat_fname" ]]; then | 
 |                 flat_fname="$image_name-flat.vmdk" | 
 |             fi | 
 |             path_len=`expr ${#image_url} - ${#image_fname}` | 
 |             local flat_url="${image_url:0:$path_len}$flat_fname" | 
 |             warn $LINENO "$descriptor_data_pair_msg"` | 
 |                             `" Attempt to retrieve the *-flat.vmdk: $flat_url" | 
 |             if [[ $flat_url != file* ]]; then | 
 |                 if [[ ! -f $FILES/$flat_fname || \ | 
 |                 "$(stat -c "%s" $FILES/$flat_fname)" = "0" ]]; then | 
 |                     wget --progress=dot:giga -c $flat_url -O $FILES/$flat_fname | 
 |                 fi | 
 |                 image="$FILES/${flat_fname}" | 
 |             else | 
 |                 image=$(echo $flat_url | sed "s/^file:\/\///g") | 
 |                 if [[ ! -f $image || "$(stat -c "%s" $image)" == "0" ]]; then | 
 |                     echo "Flat disk not found: $flat_url" | 
 |                     return 1 | 
 |                 fi | 
 |             fi | 
 |             image_name="${flat_fname}" | 
 |             vmdk_disktype="preallocated" | 
 |         elif [[ "$vmdk_create_type" = "streamOptimized" ]]; then | 
 |             vmdk_disktype="streamOptimized" | 
 |         elif [[ -z "$vmdk_create_type" ]]; then | 
 |             # *-flat.vmdk provided: attempt to retrieve the descriptor (*.vmdk) | 
 |             # to retrieve appropriate metadata | 
 |             if [[ ${image_name: -5} != "-flat" ]]; then | 
 |                 warn $LINENO "Expected filename suffix: '-flat'."` | 
 |                             `" Filename provided: ${image_name}" | 
 |             else | 
 |                 descriptor_fname="${image_name:0:${#image_name} - 5}.vmdk" | 
 |                 path_len=`expr ${#image_url} - ${#image_fname}` | 
 |                 local flat_path="${image_url:0:$path_len}" | 
 |                 local descriptor_url=$flat_path$descriptor_fname | 
 |                 warn $LINENO "$descriptor_data_pair_msg"` | 
 |                                 `" Attempt to retrieve the descriptor *.vmdk: $descriptor_url" | 
 |                 if [[ $flat_path != file* ]]; then | 
 |                     if [[ ! -f $FILES/$descriptor_fname || \ | 
 |                     "$(stat -c "%s" $FILES/$descriptor_fname)" = "0" ]]; then | 
 |                         wget -c $descriptor_url -O $FILES/$descriptor_fname | 
 |                     fi | 
 |                     descriptor_url="$FILES/$descriptor_fname" | 
 |                 else | 
 |                     descriptor_url=$(echo $descriptor_url | sed "s/^file:\/\///g") | 
 |                     if [[ ! -f $descriptor_url || \ | 
 |                     "$(stat -c "%s" $descriptor_url)" == "0" ]]; then | 
 |                         echo "Descriptor not found: $descriptor_url" | 
 |                         return 1 | 
 |                     fi | 
 |                 fi | 
 |                 vmdk_adapter_type="$(head -25 $descriptor_url | { grep -a -F -m 1 'ddb.adapterType =' $descriptor_url || true; })" | 
 |                 vmdk_adapter_type="${vmdk_adapter_type#*\"}" | 
 |                 vmdk_adapter_type="${vmdk_adapter_type%?}" | 
 |             fi | 
 |             vmdk_disktype="preallocated" | 
 |         else | 
 |             vmdk_disktype="preallocated" | 
 |         fi | 
 |  | 
 |         # NOTE: For backwards compatibility reasons, colons may be used in place | 
 |         # of semi-colons for property delimiters but they are not permitted | 
 |         # characters in NTFS filesystems. | 
 |         property_string=`echo "$image_name" | { grep -oP '(?<=-)(?!.*-).*[:;].*[:;].*$' || true; }` | 
 |         IFS=':;' read -a props <<< "$property_string" | 
 |         vmdk_disktype="${props[0]:-$vmdk_disktype}" | 
 |         vmdk_adapter_type="${props[1]:-$vmdk_adapter_type}" | 
 |         vmdk_net_adapter="${props[2]:-$vmdk_net_adapter}" | 
 |  | 
 |         openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name" --public --container-format bare --disk-format vmdk --property vmware_disktype="$vmdk_disktype" --property vmware_adaptertype="$vmdk_adapter_type" --property hw_vif_model="$vmdk_net_adapter" < "${image}" | 
 |         return | 
 |     fi | 
 |  | 
 |     # XenServer-vhd-ovf-format images are provided as .vhd.tgz | 
 |     # and should not be decompressed prior to loading | 
 |     if [[ "$image_url" =~ '.vhd.tgz' ]]; then | 
 |         image_name="${image_fname%.vhd.tgz}" | 
 |         local force_vm_mode="" | 
 |         if [[ "$image_name" =~ 'cirros' ]]; then | 
 |             # Cirros VHD image currently only boots in PV mode. | 
 |             # Nova defaults to PV for all VHD images, but | 
 |             # the glance setting is needed for booting | 
 |             # directly from volume. | 
 |             force_vm_mode="--property vm_mode=xen" | 
 |         fi | 
 |         openstack \ | 
 |             --os-token $token \ | 
 |             --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT \ | 
 |             image create \ | 
 |             "$image_name" --public \ | 
 |             --container-format=ovf --disk-format=vhd \ | 
 |             $force_vm_mode < "${image}" | 
 |         return | 
 |     fi | 
 |  | 
 |     # .xen-raw.tgz suggests a Xen capable raw image inside a tgz. | 
 |     # and should not be decompressed prior to loading. | 
 |     # Setting metadata, so PV mode is used. | 
 |     if [[ "$image_url" =~ '.xen-raw.tgz' ]]; then | 
 |         image_name="${image_fname%.xen-raw.tgz}" | 
 |         openstack \ | 
 |             --os-token $token \ | 
 |             --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT \ | 
 |             image create \ | 
 |             "$image_name" --public \ | 
 |             --container-format=tgz --disk-format=raw \ | 
 |             --property vm_mode=xen < "${image}" | 
 |         return | 
 |     fi | 
 |  | 
 |     local kernel="" | 
 |     local ramdisk="" | 
 |     local disk_format="" | 
 |     local container_format="" | 
 |     local unpack="" | 
 |     local img_property="" | 
 |     case "$image_fname" in | 
 |         *.tar.gz|*.tgz) | 
 |             # Extract ami and aki files | 
 |             [ "${image_fname%.tar.gz}" != "$image_fname" ] && | 
 |                 image_name="${image_fname%.tar.gz}" || | 
 |                 image_name="${image_fname%.tgz}" | 
 |             local xdir="$FILES/images/$image_name" | 
 |             rm -Rf "$xdir"; | 
 |             mkdir "$xdir" | 
 |             tar -zxf $image -C "$xdir" | 
 |             kernel=$(for f in "$xdir/"*-vmlinuz* "$xdir/"aki-*/image; do | 
 |                 [ -f "$f" ] && echo "$f" && break; done; true) | 
 |             ramdisk=$(for f in "$xdir/"*-initrd* "$xdir/"ari-*/image; do | 
 |                 [ -f "$f" ] && echo "$f" && break; done; true) | 
 |             image=$(for f in "$xdir/"*.img "$xdir/"ami-*/image; do | 
 |                 [ -f "$f" ] && echo "$f" && break; done; true) | 
 |             if [[ -z "$image_name" ]]; then | 
 |                 image_name=$(basename "$image" ".img") | 
 |             fi | 
 |             ;; | 
 |         *.img) | 
 |             image_name=$(basename "$image" ".img") | 
 |             local format=$(qemu-img info ${image} | awk '/^file format/ { print $3; exit }') | 
 |             if [[ ",qcow2,raw,vdi,vmdk,vpc," =~ ",$format," ]]; then | 
 |                 disk_format=$format | 
 |             else | 
 |                 disk_format=raw | 
 |             fi | 
 |             container_format=bare | 
 |             ;; | 
 |         *.img.gz) | 
 |             image_name=$(basename "$image" ".img.gz") | 
 |             disk_format=raw | 
 |             container_format=bare | 
 |             unpack=zcat | 
 |             ;; | 
 |         *.qcow2) | 
 |             image_name=$(basename "$image" ".qcow2") | 
 |             disk_format=qcow2 | 
 |             container_format=bare | 
 |             ;; | 
 |         *.iso) | 
 |             image_name=$(basename "$image" ".iso") | 
 |             disk_format=iso | 
 |             container_format=bare | 
 |             ;; | 
 |         *.vhd|*.vhdx|*.vhd.gz|*.vhdx.gz) | 
 |             local extension="${image_fname#*.}" | 
 |             image_name=$(basename "$image" ".$extension") | 
 |             disk_format=vhd | 
 |             container_format=bare | 
 |             if [ "${image_fname##*.}" == "gz" ]; then | 
 |                 unpack=zcat | 
 |             fi | 
 |             ;; | 
 |         *) echo "Do not know what to do with $image_fname"; false;; | 
 |     esac | 
 |  | 
 |     if is_arch "ppc64"; then | 
 |         img_property="--property hw_cdrom_bus=scsi" | 
 |     fi | 
 |  | 
 |     if [ "$container_format" = "bare" ]; then | 
 |         if [ "$unpack" = "zcat" ]; then | 
 |             openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name" $img_property --public --container-format=$container_format --disk-format $disk_format < <(zcat --force "${image}") | 
 |         else | 
 |             openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name" $img_property --public --container-format=$container_format --disk-format $disk_format < "${image}" | 
 |         fi | 
 |     else | 
 |         # Use glance client to add the kernel the root filesystem. | 
 |         # We parse the results of the first upload to get the glance ID of the | 
 |         # kernel for use when uploading the root filesystem. | 
 |         local kernel_id="" ramdisk_id=""; | 
 |         if [ -n "$kernel" ]; then | 
 |             kernel_id=$(openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name-kernel" $img_property --public --container-format aki --disk-format aki < "$kernel" | grep ' id ' | get_field 2) | 
 |         fi | 
 |         if [ -n "$ramdisk" ]; then | 
 |             ramdisk_id=$(openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "$image_name-ramdisk" $img_property --public --container-format ari --disk-format ari < "$ramdisk" | grep ' id ' | get_field 2) | 
 |         fi | 
 |         openstack --os-token $token --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT image create "${image_name%.img}" $img_property --public --container-format ami --disk-format ami ${kernel_id:+--property kernel_id=$kernel_id} ${ramdisk_id:+--property ramdisk_id=$ramdisk_id} < "${image}" | 
 |     fi | 
 | } | 
 |  | 
 |  | 
 | # Set the database backend to use | 
 | # When called from stackrc/localrc DATABASE_BACKENDS has not been | 
 | # initialized yet, just save the configuration selection and call back later | 
 | # to validate it. | 
 | # | 
 | # ``$1`` - the name of the database backend to use (mysql, postgresql, ...) | 
 | function use_database { | 
 |     if [[ -z "$DATABASE_BACKENDS" ]]; then | 
 |         # No backends registered means this is likely called from ``localrc`` | 
 |         # This is now deprecated usage | 
 |         DATABASE_TYPE=$1 | 
 |         DEPRECATED_TEXT="$DEPRECATED_TEXT\nThe database backend needs to be properly set in ENABLED_SERVICES; use_database is deprecated localrc\n" | 
 |     else | 
 |         # This should no longer get called...here for posterity | 
 |         use_exclusive_service DATABASE_BACKENDS DATABASE_TYPE $1 | 
 |     fi | 
 | } | 
 |  | 
 |  | 
 | # Wait for an HTTP server to start answering requests | 
 | # wait_for_service timeout url | 
 | function wait_for_service { | 
 |     local timeout=$1 | 
 |     local url=$2 | 
 |     timeout $timeout sh -c "while ! curl -k --noproxy '*' -s $url >/dev/null; do sleep 1; done" | 
 | } | 
 |  | 
 |  | 
 | # ping check | 
 | # Uses globals ``ENABLED_SERVICES`` | 
 | # ping_check from-net ip boot-timeout expected | 
 | function ping_check { | 
 |     if is_service_enabled neutron; then | 
 |         _ping_check_neutron  "$1" $2 $3 $4 | 
 |         return | 
 |     fi | 
 |     _ping_check_novanet "$1" $2 $3 $4 | 
 | } | 
 |  | 
 | # ping check for nova | 
 | # Uses globals ``MULTI_HOST``, ``PRIVATE_NETWORK`` | 
 | function _ping_check_novanet { | 
 |     local from_net=$1 | 
 |     local ip=$2 | 
 |     local boot_timeout=$3 | 
 |     local expected=${4:-"True"} | 
 |     local check_command="" | 
 |     MULTI_HOST=$(trueorfalse False MULTI_HOST) | 
 |     if [[ "$MULTI_HOST" = "True" && "$from_net" = "$PRIVATE_NETWORK_NAME" ]]; then | 
 |         return | 
 |     fi | 
 |     if [[ "$expected" = "True" ]]; then | 
 |         check_command="while ! ping -c1 -w1 $ip; do sleep 1; done" | 
 |     else | 
 |         check_command="while ping -c1 -w1 $ip; do sleep 1; done" | 
 |     fi | 
 |     if ! timeout $boot_timeout sh -c "$check_command"; then | 
 |         if [[ "$expected" = "True" ]]; then | 
 |             die $LINENO "[Fail] Couldn't ping server" | 
 |         else | 
 |             die $LINENO "[Fail] Could ping server" | 
 |         fi | 
 |     fi | 
 | } | 
 |  | 
 | # Get ip of instance | 
 | function get_instance_ip { | 
 |     local vm_id=$1 | 
 |     local network_name=$2 | 
 |     local nova_result="$(nova show $vm_id)" | 
 |     local ip=$(echo "$nova_result" | grep "$network_name" | get_field 2) | 
 |     if [[ $ip = "" ]];then | 
 |         echo "$nova_result" | 
 |         die $LINENO "[Fail] Coudn't get ipaddress of VM" | 
 |     fi | 
 |     echo $ip | 
 | } | 
 |  | 
 | # ssh check | 
 |  | 
 | # ssh_check net-name key-file floating-ip default-user active-timeout | 
 | function ssh_check { | 
 |     if is_service_enabled neutron; then | 
 |         _ssh_check_neutron  "$1" $2 $3 $4 $5 | 
 |         return | 
 |     fi | 
 |     _ssh_check_novanet "$1" $2 $3 $4 $5 | 
 | } | 
 |  | 
 | function _ssh_check_novanet { | 
 |     local NET_NAME=$1 | 
 |     local KEY_FILE=$2 | 
 |     local FLOATING_IP=$3 | 
 |     local DEFAULT_INSTANCE_USER=$4 | 
 |     local ACTIVE_TIMEOUT=$5 | 
 |     local probe_cmd="" | 
 |     if ! timeout $ACTIVE_TIMEOUT sh -c "while ! ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP echo success; do sleep 1; done"; then | 
 |         die $LINENO "server didn't become ssh-able!" | 
 |     fi | 
 | } | 
 |  | 
 |  | 
 | # Get the location of the $module-rootwrap executables, where module is cinder | 
 | # or nova. | 
 | # get_rootwrap_location module | 
 | function get_rootwrap_location { | 
 |     local module=$1 | 
 |  | 
 |     echo "$(get_python_exec_prefix)/$module-rootwrap" | 
 | } | 
 |  | 
 |  | 
 | # Path permissions sanity check | 
 | # check_path_perm_sanity path | 
 | function check_path_perm_sanity { | 
 |     # Ensure no element of the path has 0700 permissions, which is very | 
 |     # likely to cause issues for daemons.  Inspired by default 0700 | 
 |     # homedir permissions on RHEL and common practice of making DEST in | 
 |     # the stack user's homedir. | 
 |  | 
 |     local real_path=$(readlink -f $1) | 
 |     local rebuilt_path="" | 
 |     for i in $(echo ${real_path} | tr "/" " "); do | 
 |         rebuilt_path=$rebuilt_path"/"$i | 
 |  | 
 |         if [[ $(stat -c '%a' ${rebuilt_path}) = 700 ]]; then | 
 |             echo "*** DEST path element" | 
 |             echo "***    ${rebuilt_path}" | 
 |             echo "*** appears to have 0700 permissions." | 
 |             echo "*** This is very likely to cause fatal issues for devstack daemons." | 
 |  | 
 |             if [[ -n "$SKIP_PATH_SANITY" ]]; then | 
 |                 return | 
 |             else | 
 |                 echo "*** Set SKIP_PATH_SANITY to skip this check" | 
 |                 die $LINENO "Invalid path permissions" | 
 |             fi | 
 |         fi | 
 |     done | 
 | } | 
 |  | 
 |  | 
 | # This function recursively compares versions, and is not meant to be | 
 | # called by anything other than vercmp_numbers below. This function does | 
 | # not work with alphabetic versions. | 
 | # | 
 | # _vercmp_r sep ver1 ver2 | 
 | function _vercmp_r { | 
 |     typeset sep | 
 |     typeset -a ver1=() ver2=() | 
 |     sep=$1; shift | 
 |     ver1=("${@:1:sep}") | 
 |     ver2=("${@:sep+1}") | 
 |  | 
 |     if ((ver1 > ver2)); then | 
 |         echo 1; return 0 | 
 |     elif ((ver2 > ver1)); then | 
 |         echo -1; return 0 | 
 |     fi | 
 |  | 
 |     if ((sep <= 1)); then | 
 |         echo 0; return 0 | 
 |     fi | 
 |  | 
 |     _vercmp_r $((sep-1)) "${ver1[@]:1}" "${ver2[@]:1}" | 
 | } | 
 |  | 
 |  | 
 | # This function compares two versions and is meant to be called by | 
 | # external callers. Please note the function assumes non-alphabetic | 
 | # versions. For example, this will work: | 
 | # | 
 | #   vercmp_numbers 1.10 1.4 | 
 | # | 
 | # The above will return "1", as 1.10 is greater than 1.4. | 
 | # | 
 | #   vercmp_numbers 5.2 6.4 | 
 | # | 
 | # The above will return "-1", as 5.2 is less than 6.4. | 
 | # | 
 | #   vercmp_numbers 4.0 4.0 | 
 | # | 
 | # The above will return "0", as the versions are equal. | 
 | # | 
 | # vercmp_numbers ver1 ver2 | 
 | function vercmp_numbers { | 
 |     typeset v1=$1 v2=$2 sep | 
 |     typeset -a ver1 ver2 | 
 |  | 
 |     IFS=. read -ra ver1 <<< "$v1" | 
 |     IFS=. read -ra ver2 <<< "$v2" | 
 |  | 
 |     _vercmp_r "${#ver1[@]}" "${ver1[@]}" "${ver2[@]}" | 
 | } | 
 |  | 
 |  | 
 | # This function sets log formatting options for colorizing log | 
 | # output to stdout. It is meant to be called by lib modules. | 
 | # The last two parameters are optional and can be used to specify | 
 | # non-default value for project and user format variables. | 
 | # Defaults are respectively 'project_name' and 'user_name' | 
 | # | 
 | # setup_colorized_logging something.conf SOMESECTION | 
 | function setup_colorized_logging { | 
 |     local conf_file=$1 | 
 |     local conf_section=$2 | 
 |     local project_var=${3:-"project_name"} | 
 |     local user_var=${4:-"user_name"} | 
 |     # Add color to logging output | 
 |     iniset $conf_file $conf_section logging_context_format_string "%(asctime)s.%(msecs)03d %(color)s%(levelname)s %(name)s [[01;36m%(request_id)s [00;36m%("$user_var")s %("$project_var")s%(color)s] [01;35m%(instance)s%(color)s%(message)s[00m" | 
 |     iniset $conf_file $conf_section logging_default_format_string "%(asctime)s.%(msecs)03d %(color)s%(levelname)s %(name)s [[00;36m-%(color)s] [01;35m%(instance)s%(color)s%(message)s[00m" | 
 |     iniset $conf_file $conf_section logging_debug_format_suffix "[00;33mfrom (pid=%(process)d) %(funcName)s %(pathname)s:%(lineno)d[00m" | 
 |     iniset $conf_file $conf_section logging_exception_prefix "%(color)s%(asctime)s.%(msecs)03d TRACE %(name)s [01;35m%(instance)s[00m" | 
 | } | 
 |  | 
 | # These functions are provided for basic fall-back functionality for | 
 | # projects that include parts of devstack (grenade).  stack.sh will | 
 | # override these with more specific versions for devstack (with fancy | 
 | # spinners, etc).  We never override an existing version | 
 | if ! function_exists echo_summary; then | 
 |     function echo_summary { | 
 |         echo $@ | 
 |     } | 
 | fi | 
 | if ! function_exists echo_nolog; then | 
 |     function echo_nolog { | 
 |         echo $@ | 
 |     } | 
 | fi | 
 |  | 
 |  | 
 | # create_disk - Create backing disk | 
 | function create_disk { | 
 |     local node_number | 
 |     local disk_image=${1} | 
 |     local storage_data_dir=${2} | 
 |     local loopback_disk_size=${3} | 
 |  | 
 |     # Create a loopback disk and format it to XFS. | 
 |     if [[ -e ${disk_image} ]]; then | 
 |         if egrep -q ${storage_data_dir} /proc/mounts; then | 
 |             sudo umount ${storage_data_dir}/drives/sdb1 | 
 |             sudo rm -f ${disk_image} | 
 |         fi | 
 |     fi | 
 |  | 
 |     sudo mkdir -p ${storage_data_dir}/drives/images | 
 |  | 
 |     sudo truncate -s ${loopback_disk_size} ${disk_image} | 
 |  | 
 |     # Make a fresh XFS filesystem. Use bigger inodes so xattr can fit in | 
 |     # a single inode. Keeping the default inode size (256) will result in multiple | 
 |     # inodes being used to store xattr. Retrieving the xattr will be slower | 
 |     # since we have to read multiple inodes. This statement is true for both | 
 |     # Swift and Ceph. | 
 |     sudo mkfs.xfs -f -i size=1024 ${disk_image} | 
 |  | 
 |     # Mount the disk with mount options to make it as efficient as possible | 
 |     if ! egrep -q ${storage_data_dir} /proc/mounts; then | 
 |         sudo mount -t xfs -o loop,noatime,nodiratime,nobarrier,logbufs=8  \ | 
 |             ${disk_image} ${storage_data_dir} | 
 |     fi | 
 | } | 
 |  | 
 | # Restore xtrace | 
 | $XTRACE | 
 |  | 
 | # Local variables: | 
 | # mode: shell-script | 
 | # End: |