This file is indexed.

/usr/bin/ubuntu-cloudimg-query is in cloud-image-utils 0.27-0ubuntu9.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
#!/bin/sh

VERBOSITY=0
TEMP_D=""
NAME="ubuntu-cloudimg-query"
DOT_D="$HOME/.$NAME"
CACHE_D="$HOME/.cache/$NAME"
KNOWN_RELEASES="hardy karmic lucid maverick natty oneiric precise quantal
	raring trusty";
cachelife=86400

error() { echo "$@" 1>&2; }
errorp() { printf "$@" 1>&2; }
fail() { [ $# -eq 0 ] || error "$@"; exit 1; }
failp() { [ $# -eq 0 ] || errorp "$@"; exit 1; }

Usage() {
	cat <<EOF
Usage: ${0##*/} [ options ] criteria

   Get the latest Ubuntu ami meeting certain criteria

   options:
      -o | --output FILE    output to file rather than stdout
      -f | --format format  change output to 'format'.
                            default: '%{ami}\n'
           --arch   ARCH    use the specified arch

   Examples:
   - get the latest ami matching default criteria for release 'n'
     $ ${0##*/} -v n
     us-east-1/ebs/ubuntu-natty-11.04-amd64-server-20110426
     ami-1aad5273
   - get an instance-store image in i386 image in us-west-1
     $ ${0##*/} lucid i386 instance us-west-1
     ami-73c69436
   - get the latest daily build of the devel release in eu-west-1
     $ EC2_REGION=eu-west-1 ${0##*/} daily amd64 ebs o

EOF
}

bad_Usage() { Usage 1>&2; [ $# -eq 0 ] || error "$@"; exit 1; }
cleanup() {
	[ -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
}

cache_valid() {
	local file="$1" date="$2"
	[ -n "$file" -a -e "$file" ] || return 1
	touch --date "${date}" "${TEMP_D}/ts"
	[ "$file" -nt "$TEMP_D/ts" ]
}

dlcache() {
	local url="$1" out="$2" cfilename="$3" age="$4"
	local cachef="${CACHE_D}/$cfilename"
	local timeout="now - $age seconds"
	[ -n "$cfilename" ] || cachef=""
	if cache_valid "$cachef" "$timeout"; then
		cp -a "$cachef" "$out"
		return
	fi
	wget -q "${url}" -O "${out}" || return 1
	{ [ -z "$cachef" ] || cp "${out}" "${cachef}"; } ||
		return 1
}

debug() {
	local level=${1}; shift;
	[ "${level}" -gt "${VERBOSITY}" ] && return
	error "${@}"
}

isrel() {
	local cand="$1" url="$2" out="$3" cache="$4" age="$5"
	local o="" f=""
	for f in "$out" "$CACHE_D/$cache"; do
		[ -f "${f}" ] &&
			o=$(awk '-F\t' '$1 ~ r { print $1; exit(0); }' "r=^$cand" "$f") &&
			[ -n "$o" ] && _RET="$o" && return 0
	done
	dlcache "$url" "$out" "$cache" "$age" &&
		o=$(awk '-F\t' '$1 ~ r { print $1; exit(0); }' "r=^$cand" "$out")  &&
		[ -n "$o" ] && _RET="$o" && return 0
	return 1
}
subst() {
	local cur="$1"; shift;
	while [ $# -ne 0 ]; do
		while [ "${cur#*${1}}" != "${cur}" ]; do
			cur="${cur%%${1}*}${2}${cur#*${1}}"
		done
		shift 2
	done
	_RET=${cur}
}
in_args() {
	# is $1 in $2....
	local needle="$1" hay=""
	shift;
	for hay in "$@"; do
		[ "$hay" = "$needle" ] && return 0
	done
	return 1
}

getreleases() {
	# get the list of releases, return it in _RET
	local releases="${KNOWN_RELEASES}" r=""
	if command -v "ubuntu-distro-info" >/dev/null; then
		local all_rels="" seen_lucid=false
		all_rels=$(ubuntu-distro-info --all) ||
			{ error "'ubuntu-distro-info --all' failed"; return 1; }
		releases="hardy"
		for r in $all_rels; do
			if $seen_lucid || [ "$r" = "lucid" ]; then
				seen_lucid=true;
				releases="${releases} $r"
			fi
		done
	fi
	_RET="$releases"
}

short_opts="f:ho:v"
long_opts="arch:,format:,help,no-cache,output:,verbose"
getopt_out=$(getopt --name "${0##*/}" \
	--options "${short_opts}" --long "${long_opts}" -- "$@") &&
	eval set -- "${getopt_out}" ||
	bad_Usage

## <<insert default variables here>>
output="-"
format='%{ami}\n'
burl="${UBUNTU_CLOUDIMG_QUERY_BASEURL:-https://cloud-images.ubuntu.com/query}"
store="ebs"
region_default="${EC2_REGION:-us-east-1}"
release="precise"
arch="amd64"
stream="released"
bname="server"
itype=""
ptype="paravirtual"
poss_release=""
itypes=""
itypes_i386="m1.small c1.medium m1.medium"
itypes_amd64="${itypes_i386} m1.large m1.xlarge m2.xlarge m2.2xlarge m2.4xlarge c1.xlarge"
itypes_hvm="cc1.4xlarge cg1.4xlarge cc2.8xlarge hi1.4xlarge"
itypes_ebs_only="t1.micro m3.xlarge m3.2xlarge"

while [ $# -ne 0 ]; do
	cur=${1}; next=${2};
	case "$cur" in
           --arch) arch="$next"; shift;;
		-h|--help) Usage ; exit 0;;
		-f|--format) format=${2}; shift;;
		-o|--output) output=${2}; shift;;
		-v|--verbose) VERBOSITY=$((${VERBOSITY}+1));;
		   --no-cache) cachelife=0;;
		--) shift; break;;
	esac
	shift;
done

getreleases || fail "failed to get releases"
releases="${_RET}"

for i in "$@"; do
	in_args "$i" $releases && r_rel=$i && continue
	case $i in
		rel*) stream="released";;
		daily) stream=${i};;
		server|desktop) bname=${i};;
		i386|amd64|x86_64|armhf|ppc64el|arm64)
			arch=${i};
			[ "${i}" = "x86_64" ] && arch="amd64";;
		*-*-[0-9]) region=${i};;
		ebs) store="$i";;
		instance|instance-store) store="instance-store";;
		hvm) ptype="hvm";;
		para|paravirtual) ptype="paravirtual";;
		c[cg][1-9].*|hi1.*)
			ptype="hvm";
			itype="$i";
			arch=amd64;;
		[a-z][1-9].[0-9a-z]*)
			itype="$i";
			case "${i}" in
				t1.micro|m3.*) store=ebs;; # t1.micro, m3.* only supports ebs
			esac
			;;
		http://*|https://*) burl=${i};;
		[hklmnopqrstuvwxyz])
			[ -z "$p_rel" ] || fail "found 2 unknown args: $p_rel, $i";
			p_rel=$i;;
		*) fail "confused by argument: ${i}";;
	esac
done

TEMP_D=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX") ||
	fail "failed to make tempdir"
trap cleanup EXIT

{ [ -d "${CACHE_D}" ] || mkdir -p "${CACHE_D}"; } ||
	fail "failed to create ${CACHE_D}"

daily_latest="${TEMP_D}/daily.latest.txt"
release_latest="${TEMP_D}/released.latest.txt"

if [ -n "$p_rel" ]; then
	[ -z "$r_rel" ] || fail "unknown arg ${p_rel}"
	url="${burl}/daily.latest.txt"
	isrel "$p_rel" "$url" "${daily_latest}" "daily.latest.txt" $cachelife &&
		r_rel="${_RET}" || fail "bad input $p_rel"
fi
[ -n "$r_rel" ] && release=$r_rel

if [ -z "${region}" ]; then
	if [ -n "${EC2_URL}" ]; then
		case "${EC2_URL#*://}" in
			*-*-[0-9].ec2.amazonaws.com*)
				region=${EC2_URL#*://};
				region=${region%%.*};;
			ec2.amazonaws.com/*) region=us-east-1;;
			*) region=${region_default};;
		esac
	else
		region="${region_default}"
	fi
fi

ec2_curf="${TEMP_D}/${release}.${bname}.${stream}.current.txt"
ec2_url="${burl}/${release}/${bname}/${stream}.current.txt"
dl_curf="${TEMP_D}/${release}.${bname}.${stream}-dl.current.txt"
dl_url="${burl}/${release}/${bname}/${stream}-dl.current.txt"

dlcache "${dl_url}" "${dl_curf}" "${dl_curf##*/}" $cachelife ||
	fail "failed to get ${dl_url}"

out=$(awk '-F\t' \
	'$1 == release && $2 == bname && $5 == arch { print $4, $6, $7 }' \
	"release=$release" "bname=$bname" "arch=$arch" "${dl_curf}") &&
	[ -n "$out" ] || fail "failed find entry in ${dl_url}"
set -- ${out}; serial=$1; dlpath=$2; pubname=$3
url="${burl%/query}/${dlpath}"

prefix="${store}"
[ "${ptype}" = "hvm" ] && prefix="hvm"
dlcache "${ec2_url}" "${ec2_curf}" "${ec2_curf##*/}" $cachelife ||
	fail "failed to get ${ec2_url}"
ami=$(awk '-F\t' \
	'$1 == release && $2 == bname && $5 == store &&
	$6 == arch && $7 == region && $11 == ptype { print $8 }' \
	"release=$release" "bname=${bname}" \
	"store=$store" "arch=$arch" "region=$region" "ptype=$ptype" \
	"${ec2_curf}")

if [ -z "$ami" ]; then
	amifmt="%{ami}"
	[ "$format" = "${format#*${amifmt}}" ] ||
		fail "no matching ami id found, but '%{ami}' in output format"
fi

case "$arch:$store:$ptype" in
	*:hvm) itypes_all="${itypes_hvm}";;
	i386:*) itypes_all="${itypes_i386}";;
	amd64:*) itypes_all="${itypes_amd64}";;
esac
[ "$store" = "ebs" -a "$ptype" != "hvm" ] &&
	itypes_all="${itypes_ebs_only} $itypes_all"
itypes=""
for x in ${itype} ${itypes_all}; do
	case ",$itypes," in
		*,$x,*) continue;;
	esac
	itypes="${itypes},${x}"
done
itypes=${itypes#,}
itype=${itypes%%,*}

xarch=${arch}
[ "$xarch" = "amd64" ] && xarch="x86_64"

CR="
"
TAB="	"
subst "$format" \
  '\\n' "$CR" '\\t' "$TAB" \
  '%{ami}' "$ami" \
  '%{arch}' "$arch" '%{bname}' "$bname" '%{dlpath}' "$dlpath" \
  '%{ptype}' "$ptype" '%{pubname}' "$pubname" '%{region}' "$region" \
  '%{release}' "$release" '%{store}' "$store" '%{stream}' "$stream" \
  '%{url}' "$url" \
  '%{xarch}' "$xarch" '%{itype}' "${itype}" '%{itypes}' "$itypes" \
  '%{serial}' "$serial" \
  '%{summary}' "${region}/${prefix}/${pubname}"

out=${_RET}
[ -n "${out}" ] || fail "no ami found matching criteria"

debug 1 "${region}/${prefix}/${pubname}"
if [ -n "${output}" -a "${output}" != "-" ]; then
	echo -n "$out" > "$output"
else
	echo -n "$out"
fi
exit
# vi: ts=4 noexpandtab