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 -m: Count \"model:\" label values. 27 -v: Count \"variant:\" label values. 28 -l <label>: Count values of labels named \"<label>:\" 29 30 Exactly one label selection option must be supplied; there is no 31 default, and multiple options aren't allowed. 32 33 The comand reports the counts of the various values of the 34 selected label. 35 36 Example: 37 \$ atest host list -b board:daisy_skate | count_labels -p 38 9 bvt 39 14 suites 40 1 wificell 41 " 42 43 44 usage() { 45 if [ $# -ne 0 ]; then 46 echo "$@" >&2 47 echo >&2 48 fi 49 echo "$HELP" >&2 50 exit 1 51 } 52 53 COUNT=0 54 ERR=0 55 while getopts 'hpbmvl:' flag; do 56 case $flag in 57 p) LABEL=pool ;; 58 b) LABEL=board ;; 59 m) LABEL=model ;; 60 v) LABEL=variant ;; 61 l) LABEL=$OPTARG ;; 62 h|\?) ERR=1 ;; 63 esac 64 COUNT=$(( COUNT + 1 )) 65 done 66 67 if [ $COUNT -ne 1 ]; then 68 usage "Must have exactly one label-specifying option" >&2 69 fi 70 71 if [ $ERR -ne 0 ]; then 72 usage 73 fi 74 75 sed -e "/$LABEL:/ !d" -e "s=.*$LABEL:\([^,]*\).*=\1=" | sort | 76 uniq -c | awk '{sum += $1; print} END {printf "%7d total\n", sum}' 77
