591 lines
22 KiB
Plaintext
591 lines
22 KiB
Plaintext
# functions - DevStack-specific functions
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#
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# The following variables are assumed to be defined by certain functions:
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#
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# - ``DATABASE_BACKENDS``
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# - ``ENABLED_SERVICES``
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# - ``FILES``
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# - ``GLANCE_HOSTPORT``
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#
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# Include the common functions
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FUNC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd)
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source ${FUNC_DIR}/functions-common
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Check if a function already exists
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function function_exists {
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declare -f -F $1 > /dev/null
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}
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# Checks if installed Apache is <= given version
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# $1 = x.y.z (version string of Apache)
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function check_apache_version {
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local cmd="apachectl"
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if ! [[ -x $(which apachectl 2>/dev/null) ]]; then
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cmd="/usr/sbin/apachectl"
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fi
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local version=$($cmd -v | grep version | grep -Po 'Apache/\K[^ ]*')
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expr "$version" '>=' $1 > /dev/null
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}
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# Cleanup anything from /tmp on unstack
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# clean_tmp
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function cleanup_tmp {
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local tmp_dir=${TMPDIR:-/tmp}
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# see comments in pip_install
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sudo rm -rf ${tmp_dir}/pip-build.*
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}
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# Retrieve an image from a URL and upload into Glance.
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# Uses the following variables:
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#
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# - ``FILES`` must be set to the cache dir
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# - ``GLANCE_HOSTPORT``
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#
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# upload_image image-url glance-token
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function upload_image {
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local image_url=$1
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local token=$2
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local image image_fname image_name
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# Create a directory for the downloaded image tarballs.
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mkdir -p $FILES/images
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image_fname=`basename "$image_url"`
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if [[ $image_url != file* ]]; then
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# Downloads the image (uec ami+akistyle), then extracts it.
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if [[ ! -f $FILES/$image_fname || "$(stat -c "%s" $FILES/$image_fname)" = "0" ]]; then
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wget -c $image_url -O $FILES/$image_fname
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if [[ $? -ne 0 ]]; then
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echo "Not found: $image_url"
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return
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fi
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fi
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image="$FILES/${image_fname}"
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else
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# File based URL (RFC 1738): file://host/path
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# Remote files are not considered here.
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# *nix: file:///home/user/path/file
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# windows: file:///C:/Documents%20and%20Settings/user/path/file
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image=$(echo $image_url | sed "s/^file:\/\///g")
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if [[ ! -f $image || "$(stat -c "%s" $image)" == "0" ]]; then
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echo "Not found: $image_url"
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return
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fi
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fi
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# OpenVZ-format images are provided as .tar.gz, but not decompressed prior to loading
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if [[ "$image_url" =~ 'openvz' ]]; then
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image_name="${image_fname%.tar.gz}"
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glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name" --is-public=True --container-format ami --disk-format ami < "${image}"
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return
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fi
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# vmdk format images
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if [[ "$image_url" =~ '.vmdk' ]]; then
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image_name="${image_fname%.vmdk}"
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# Before we can upload vmdk type images to glance, we need to know it's
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# disk type, storage adapter, and networking adapter. These values are
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# passed to glance as custom properties.
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# We take these values from the vmdk file if populated. Otherwise, we use
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# vmdk filename, which is expected in the following format:
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#
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# <name>-<disk type>;<storage adapter>;<network adapter>
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#
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# If the filename does not follow the above format then the vsphere
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# driver will supply default values.
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local vmdk_disktype=""
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local vmdk_net_adapter=""
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local path_len
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# vmdk adapter type
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local vmdk_adapter_type="$(head -25 $image | { grep -a -F -m 1 'ddb.adapterType =' $image || true; })"
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vmdk_adapter_type="${vmdk_adapter_type#*\"}"
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vmdk_adapter_type="${vmdk_adapter_type%?}"
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# vmdk disk type
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local vmdk_create_type="$(head -25 $image | { grep -a -F -m 1 'createType=' $image || true; })"
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vmdk_create_type="${vmdk_create_type#*\"}"
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vmdk_create_type="${vmdk_create_type%\"*}"
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descriptor_data_pair_msg="Monolithic flat and VMFS disks "`
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`"should use a descriptor-data pair."
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if [[ "$vmdk_create_type" = "monolithicSparse" ]]; then
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vmdk_disktype="sparse"
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elif [[ "$vmdk_create_type" = "monolithicFlat" || "$vmdk_create_type" = "vmfs" ]]; then
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# Attempt to retrieve the *-flat.vmdk
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local flat_fname="$(head -25 $image | { grep -G 'RW\|RDONLY [0-9]+ FLAT\|VMFS' $image || true; })"
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flat_fname="${flat_fname#*\"}"
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flat_fname="${flat_fname%?}"
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if [[ -z "$flat_fname" ]]; then
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flat_fname="$image_name-flat.vmdk"
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fi
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path_len=`expr ${#image_url} - ${#image_fname}`
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local flat_url="${image_url:0:$path_len}$flat_fname"
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warn $LINENO "$descriptor_data_pair_msg"`
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`" Attempt to retrieve the *-flat.vmdk: $flat_url"
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if [[ $flat_url != file* ]]; then
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if [[ ! -f $FILES/$flat_fname || \
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"$(stat -c "%s" $FILES/$flat_fname)" = "0" ]]; then
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wget -c $flat_url -O $FILES/$flat_fname
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fi
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image="$FILES/${flat_fname}"
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else
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image=$(echo $flat_url | sed "s/^file:\/\///g")
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if [[ ! -f $image || "$(stat -c "%s" $image)" == "0" ]]; then
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echo "Flat disk not found: $flat_url"
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return 1
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fi
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fi
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image_name="${flat_fname}"
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vmdk_disktype="preallocated"
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elif [[ "$vmdk_create_type" = "streamOptimized" ]]; then
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vmdk_disktype="streamOptimized"
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elif [[ -z "$vmdk_create_type" ]]; then
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# *-flat.vmdk provided: attempt to retrieve the descriptor (*.vmdk)
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# to retrieve appropriate metadata
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if [[ ${image_name: -5} != "-flat" ]]; then
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warn $LINENO "Expected filename suffix: '-flat'."`
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`" Filename provided: ${image_name}"
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else
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descriptor_fname="${image_name:0:${#image_name} - 5}.vmdk"
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path_len=`expr ${#image_url} - ${#image_fname}`
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local flat_path="${image_url:0:$path_len}"
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local descriptor_url=$flat_path$descriptor_fname
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warn $LINENO "$descriptor_data_pair_msg"`
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`" Attempt to retrieve the descriptor *.vmdk: $descriptor_url"
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if [[ $flat_path != file* ]]; then
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if [[ ! -f $FILES/$descriptor_fname || \
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"$(stat -c "%s" $FILES/$descriptor_fname)" = "0" ]]; then
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wget -c $descriptor_url -O $FILES/$descriptor_fname
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fi
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descriptor_url="$FILES/$descriptor_fname"
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else
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descriptor_url=$(echo $descriptor_url | sed "s/^file:\/\///g")
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if [[ ! -f $descriptor_url || \
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"$(stat -c "%s" $descriptor_url)" == "0" ]]; then
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echo "Descriptor not found: $descriptor_url"
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return 1
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fi
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fi
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vmdk_adapter_type="$(head -25 $descriptor_url | { grep -a -F -m 1 'ddb.adapterType =' $descriptor_url || true; })"
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vmdk_adapter_type="${vmdk_adapter_type#*\"}"
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vmdk_adapter_type="${vmdk_adapter_type%?}"
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fi
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vmdk_disktype="preallocated"
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else
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vmdk_disktype="preallocated"
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fi
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# NOTE: For backwards compatibility reasons, colons may be used in place
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# of semi-colons for property delimiters but they are not permitted
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# characters in NTFS filesystems.
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property_string=`echo "$image_name" | { grep -oP '(?<=-)(?!.*-).*[:;].*[:;].*$' || true; }`
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IFS=':;' read -a props <<< "$property_string"
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vmdk_disktype="${props[0]:-$vmdk_disktype}"
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vmdk_adapter_type="${props[1]:-$vmdk_adapter_type}"
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vmdk_net_adapter="${props[2]:-$vmdk_net_adapter}"
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glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name" --is-public=True --container-format bare --disk-format vmdk --property vmware_disktype="$vmdk_disktype" --property vmware_adaptertype="$vmdk_adapter_type" --property hw_vif_model="$vmdk_net_adapter" < "${image}"
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return
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fi
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# XenServer-vhd-ovf-format images are provided as .vhd.tgz
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# and should not be decompressed prior to loading
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if [[ "$image_url" =~ '.vhd.tgz' ]]; then
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image_name="${image_fname%.vhd.tgz}"
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local force_vm_mode=""
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if [[ "$image_name" =~ 'cirros' ]]; then
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# Cirros VHD image currently only boots in PV mode.
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# Nova defaults to PV for all VHD images, but
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# the glance setting is needed for booting
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# directly from volume.
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force_vm_mode="--property vm_mode=xen"
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fi
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glance \
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--os-auth-token $token \
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--os-image-url http://$GLANCE_HOSTPORT \
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image-create \
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--name "$image_name" --is-public=True \
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--container-format=ovf --disk-format=vhd \
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$force_vm_mode < "${image}"
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return
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fi
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# .xen-raw.tgz suggests a Xen capable raw image inside a tgz.
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# and should not be decompressed prior to loading.
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# Setting metadata, so PV mode is used.
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if [[ "$image_url" =~ '.xen-raw.tgz' ]]; then
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image_name="${image_fname%.xen-raw.tgz}"
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glance \
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--os-auth-token $token \
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--os-image-url http://$GLANCE_HOSTPORT \
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image-create \
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--name "$image_name" --is-public=True \
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--container-format=tgz --disk-format=raw \
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--property vm_mode=xen < "${image}"
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return
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fi
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local kernel=""
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local ramdisk=""
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local disk_format=""
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local container_format=""
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local unpack=""
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local img_property=""
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case "$image_fname" in
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*.tar.gz|*.tgz)
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# Extract ami and aki files
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[ "${image_fname%.tar.gz}" != "$image_fname" ] &&
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image_name="${image_fname%.tar.gz}" ||
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image_name="${image_fname%.tgz}"
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local xdir="$FILES/images/$image_name"
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rm -Rf "$xdir";
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mkdir "$xdir"
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tar -zxf $image -C "$xdir"
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kernel=$(for f in "$xdir/"*-vmlinuz* "$xdir/"aki-*/image; do
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[ -f "$f" ] && echo "$f" && break; done; true)
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ramdisk=$(for f in "$xdir/"*-initrd* "$xdir/"ari-*/image; do
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[ -f "$f" ] && echo "$f" && break; done; true)
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image=$(for f in "$xdir/"*.img "$xdir/"ami-*/image; do
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[ -f "$f" ] && echo "$f" && break; done; true)
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if [[ -z "$image_name" ]]; then
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image_name=$(basename "$image" ".img")
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fi
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;;
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*.img)
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image_name=$(basename "$image" ".img")
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local format=$(qemu-img info ${image} | awk '/^file format/ { print $3; exit }')
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if [[ ",qcow2,raw,vdi,vmdk,vpc," =~ ",$format," ]]; then
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disk_format=$format
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else
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disk_format=raw
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fi
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container_format=bare
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;;
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*.img.gz)
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image_name=$(basename "$image" ".img.gz")
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disk_format=raw
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container_format=bare
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unpack=zcat
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;;
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*.qcow2)
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image_name=$(basename "$image" ".qcow2")
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disk_format=qcow2
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container_format=bare
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;;
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*.iso)
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image_name=$(basename "$image" ".iso")
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disk_format=iso
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container_format=bare
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;;
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*) echo "Do not know what to do with $image_fname"; false;;
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esac
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if is_arch "ppc64"; then
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img_property="--property hw_cdrom_bus=scsi"
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fi
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if [ "$container_format" = "bare" ]; then
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if [ "$unpack" = "zcat" ]; then
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glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name" $img_property --is-public True --container-format=$container_format --disk-format $disk_format < <(zcat --force "${image}")
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else
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glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name" $img_property --is-public True --container-format=$container_format --disk-format $disk_format < "${image}"
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fi
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else
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# Use glance client to add the kernel the root filesystem.
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# We parse the results of the first upload to get the glance ID of the
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# kernel for use when uploading the root filesystem.
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local kernel_id="" ramdisk_id="";
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if [ -n "$kernel" ]; then
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kernel_id=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name-kernel" $img_property --is-public True --container-format aki --disk-format aki < "$kernel" | grep ' id ' | get_field 2)
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fi
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if [ -n "$ramdisk" ]; then
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ramdisk_id=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$image_name-ramdisk" $img_property --is-public True --container-format ari --disk-format ari < "$ramdisk" | grep ' id ' | get_field 2)
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fi
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glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "${image_name%.img}" $img_property --is-public True --container-format ami --disk-format ami ${kernel_id:+--property kernel_id=$kernel_id} ${ramdisk_id:+--property ramdisk_id=$ramdisk_id} < "${image}"
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fi
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}
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# Set the database backend to use
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# When called from stackrc/localrc DATABASE_BACKENDS has not been
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# initialized yet, just save the configuration selection and call back later
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# to validate it.
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#
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# ``$1`` - the name of the database backend to use (mysql, postgresql, ...)
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function use_database {
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if [[ -z "$DATABASE_BACKENDS" ]]; then
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# No backends registered means this is likely called from ``localrc``
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# This is now deprecated usage
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DATABASE_TYPE=$1
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DEPRECATED_TEXT="$DEPRECATED_TEXT\nThe database backend needs to be properly set in ENABLED_SERVICES; use_database is deprecated localrc\n"
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else
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# This should no longer get called...here for posterity
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use_exclusive_service DATABASE_BACKENDS DATABASE_TYPE $1
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fi
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}
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# Wait for an HTTP server to start answering requests
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# wait_for_service timeout url
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function wait_for_service {
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local timeout=$1
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local url=$2
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timeout $timeout sh -c "while ! curl --noproxy '*' -s $url >/dev/null; do sleep 1; done"
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}
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# ping check
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# Uses globals ``ENABLED_SERVICES``
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# ping_check from-net ip boot-timeout expected
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function ping_check {
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if is_service_enabled neutron; then
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_ping_check_neutron "$1" $2 $3 $4
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return
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fi
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_ping_check_novanet "$1" $2 $3 $4
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}
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# ping check for nova
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# Uses globals ``MULTI_HOST``, ``PRIVATE_NETWORK``
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function _ping_check_novanet {
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local from_net=$1
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local ip=$2
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local boot_timeout=$3
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local expected=${4:-"True"}
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local check_command=""
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MULTI_HOST=`trueorfalse False $MULTI_HOST`
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if [[ "$MULTI_HOST" = "True" && "$from_net" = "$PRIVATE_NETWORK_NAME" ]]; then
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return
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fi
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if [[ "$expected" = "True" ]]; then
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check_command="while ! ping -c1 -w1 $ip; do sleep 1; done"
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else
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check_command="while ping -c1 -w1 $ip; do sleep 1; done"
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fi
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if ! timeout $boot_timeout sh -c "$check_command"; then
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if [[ "$expected" = "True" ]]; then
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die $LINENO "[Fail] Couldn't ping server"
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else
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die $LINENO "[Fail] Could ping server"
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fi
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fi
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}
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# Get ip of instance
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function get_instance_ip {
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local vm_id=$1
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local network_name=$2
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local nova_result="$(nova show $vm_id)"
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local ip=$(echo "$nova_result" | grep "$network_name" | get_field 2)
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if [[ $ip = "" ]];then
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echo "$nova_result"
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die $LINENO "[Fail] Coudn't get ipaddress of VM"
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fi
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echo $ip
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}
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# ssh check
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# ssh_check net-name key-file floating-ip default-user active-timeout
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function ssh_check {
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if is_service_enabled neutron; then
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_ssh_check_neutron "$1" $2 $3 $4 $5
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return
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fi
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_ssh_check_novanet "$1" $2 $3 $4 $5
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}
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function _ssh_check_novanet {
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local NET_NAME=$1
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local KEY_FILE=$2
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local FLOATING_IP=$3
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local DEFAULT_INSTANCE_USER=$4
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local ACTIVE_TIMEOUT=$5
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local probe_cmd=""
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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
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die $LINENO "server didn't become ssh-able!"
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fi
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}
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# Get the location of the $module-rootwrap executables, where module is cinder
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# or nova.
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# get_rootwrap_location module
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function get_rootwrap_location {
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local module=$1
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echo "$(get_python_exec_prefix)/$module-rootwrap"
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}
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# Path permissions sanity check
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# check_path_perm_sanity path
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function check_path_perm_sanity {
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# Ensure no element of the path has 0700 permissions, which is very
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# likely to cause issues for daemons. Inspired by default 0700
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# homedir permissions on RHEL and common practice of making DEST in
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# the stack user's homedir.
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local real_path=$(readlink -f $1)
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local rebuilt_path=""
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for i in $(echo ${real_path} | tr "/" " "); do
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rebuilt_path=$rebuilt_path"/"$i
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if [[ $(stat -c '%a' ${rebuilt_path}) = 700 ]]; then
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echo "*** DEST path element"
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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:
|