1 #!/bin/bash 2 # 3 # Copyright 2014 The Chromium OS Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 # 7 # count_labels: Print a summary of how many times a particular label 8 # value occurs in the output of an `atest host list` command. 9 # 10 # To find the sizes of the pools assigned to a board: 11 # atest host list -b board:$BOARD | count_labels -p 12 # 13 # To find how many of each board is assigned to a pool: 14 # atest host list -b pool:$POOL | count_labels -b 15 16 USAGE="usage: $(basename $0)" 17 HELP="\ 18 $USAGE -p | -b | -v | -l <label> 19 $USAGE -h 20 21 Standard input to this command is the output of some variant of 22 'atest host list'. The command line option selects a particular 23 category of label to be counted: 24 -p: Count \"pool:\" label values. 25 -b: Count \"board:\" label values. 26 -v: Count \"variant:\" label values. 27 -l <label>: Count values of labels named \"<label>:\" 28 29 Exactly one label selection option must be supplied; there is no 30 default, and multiple options aren't allowed. 31 32 The comand reports the counts of the various values of the 33 selected label. 34 35 Example: 36 \$ atest host list -b board:daisy_skate | count_labels -p 37 9 bvt 38 14 suites 39 1 wificell 40 " 41 42 43 usage() { 44 if [ $# -ne 0 ]; then 45 echo "$@" >&2 46 echo >&2 47 fi 48 echo "$HELP" >&2 49 exit 1 50 } 51 52 COUNT=0 53 ERR=0 54 while getopts 'hpbvl:' flag; do 55 case $flag in 56 p) LABEL=pool ;; 57 b) LABEL=board ;; 58 v) LABEL=variant ;; 59 l) LABEL=$OPTARG ;; 60 h|\?) ERR=1 ;; 61 esac 62 COUNT=$(( COUNT + 1 )) 63 done 64 65 if [ $COUNT -ne 1 ]; then 66 usage "Must have exactly one label-specifying option" >&2 67 fi 68 69 if [ $ERR -ne 0 ]; then 70 usage 71 fi 72 73 sed -e "/$LABEL:/ !d" -e "s=.*$LABEL:\([^,]*\).*=\1=" | sort | uniq -c 74
