The cirros image was rebuilt against the 3.13.0-83 kernel, drivers e1000e, igbvf...

[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / src / usr / bin / ec2metadata

diff --git a/cirros-testvm/src-cirros/src/usr/bin/ec2metadata b/cirros-testvm/src-cirros/src/usr/bin/ec2metadata
new file mode 100755 (executable)
index 0000000..5734d6a
--- /dev/null
+++ b/cirros-testvm/src-cirros/src/usr/bin/ec2metadata
@@ -0,0 +1,151 @@
+#!/bin/sh
+
+MD_URL="http://169.254.169.254/latest"
+OIFS="$IFS"
+TIMEOUT=10
+CR="
+"
+
+Usage() {
+       cat <<EOF
+Usage: ${0##*/} [options]
+  -u | --url URL    use URL (default: $MD_URL)
+  -h | --help       display usage
+
+       --user-data  dump user data
+       --<item>     dump 'item' from the metadata service
+
+  Special items:
+   --block-device-mappings   dump the block device mappings, space delimited
+   --public-keys             dump the public keys
+
+  with no options given, metadata service will be crawled and
+  dumped.  This will not include user-data.
+EOF
+}
+
+error() { echo "$@" 1>&2; }
+fail() { [ $# -eq 0 ] || error "$@"; exit 1; }
+
+get_field_list() {
+       local under="$1" x="" out="" found=""
+       mdget "$under"
+       out="$_RET"
+       for x in $out; do
+               case "$x" in
+                       */) get_field_list "${under:+${under}/}${x%/}"
+                               found="${found} $_RET";;
+                       *) found="${found} ${under:+$under/}$x";;
+               esac
+       done
+       _RET="${found# }"
+}
+
+caturl() {
+       curl --fail --silent --max-time "${TIMEOUT}" "$1"
+}
+
+mdget() {
+       local u="$1" t1="" t2="" out=""
+       case "$u" in
+               user-data) :;;
+               public-keys|public-keys/)
+                       out=$(caturl "$MD_URL/meta-data/$u") ||
+                               fail "failed to get $MD_URL/meta-data/$u";
+                       # output of public-keys is lines of 'X=keyname'
+                       # so we return a carriage return list of the tokens before =
+                       _RET=""
+                       IFS="$CR"
+                       for t1 in $out; do
+                               t1="${t1%%=*}"
+                               _RET="${_RET:+${_RET}${CR}}${t1%/}"
+                       done
+                       IFS="$OIFS"
+                       return
+                       ;;
+               public-keys/*)
+                       t1=${u#public-keys/[0-9]} 
+                       # t2 will now have 'public-keys/[0-9]'
+                       t2=${u%${t1}}
+                       # if t1 has a / (ie, u=public-keys/0=brickies/openssh-keys)
+                       # then set t1 to just "/openssh-keys". if not, set it to ""
+                       [ "${t1#*/}" = "${t1}" ] && t1="" || t1="/${t1#*/}"
+                       u="meta-data/${t2}${t1}"
+                       ;;
+               *) u="meta-data/$u";;
+       esac
+       _RET=$(caturl "$MD_URL/$u") ||
+               fail "failed to get ${MD_URL}/$u"
+}
+special() {
+       local out="" x="" t="" ret=""
+       case "$1" in
+               availability-zone)
+                       mdget "placement/availability-zone";;
+               public-keys)
+                       mdget public-keys
+                       out="$_RET"
+                       IFS="$CR"
+                       for x in ${out}; do
+                               IFS="$OIFS" mdget \
+                                       "public-keys/${x}/openssh-key" &&
+                               ret="${ret:+${ret}${CR}}${_RET}"
+                       done
+                       IFS="$OIFS"
+                       _RET="$ret"
+                       ;;
+               block-device-mappings)
+                       mdget block-device-mapping
+                       out="$_RET"
+                       for x in ${out}; do
+                               mdget "block-device-mapping/$x"
+                               ret="${ret:+${ret} }${x}=$_RET";
+                       done
+                       _RET="$ret"
+       esac
+}
+
+fields=""
+while [ $# -ne 0 ]; do
+       cur=${1}; next=${2};
+       case "$cur" in
+               -h|--help) Usage ; exit 0;;
+               --url=*) MD_URL=${cur#*=}; MD_URL=${MD_URL%/};;
+               --url|-u) MD_URL="${next%/}"; shift;;
+               --availability-zone|--public-keys|--block-device-mappings)
+                       fields="$fields special_${cur#--}";;
+               --*) fields="$fields ${cur#--}";;
+       esac
+       shift;
+done
+
+fields="${fields# }"
+if [ -z "$fields" ]; then
+       get_field_list ""
+       fields="${_RET}"
+       prefix=true
+else
+       prefix=false
+fi
+
+for f in $fields; do
+       case "$f" in
+               special_*) special "${f#special_}";;
+               *) mdget "$f";;
+       esac
+       ret=$?
+       [ $ret -eq 0 ] || fail "failed to get $f"
+       if $prefix; then
+               if [ "${_RET#*${CR}}" != "${_RET}" ]; then
+                       _RET=$(echo "$_RET" | sed 's,^,|,g')
+                       _RET="${_RET#|}"
+               fi
+               echo "${f#special_}: $_RET"
+       else
+               echo "$_RET"
+       fi
+done
+
+exit 0
+
+# vi: ts=4 noexpandtab