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|
#!/bin/sh
# PCP QA Test No. 1727
# Test duplicate instname labels in /metrics webapi when a context
# level label such as "hostname" is explicitly specified.
# Test invalid OpenMetrics metric names also.
#
# Copyright (c) 2021 Red Hat. All Rights Reserved.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.openmetrics
_check_series # ensure pmproxy makes a REST API available
_pmdaopenmetrics_check || _notrun "openmetrics pmda not installed"
which curl >/dev/null 2>&1 || _notrun curl not installed
status=1 # failure is the default!
# only stop pmproxy if it was not running before the QA test starts
if [ -n "`_get_pids_by_name pmproxy`" ]
then
pmproxy_was_running=true
else
pmproxy_was_running=false
if ! _service pmproxy start >>$seq_full 2>&1; then _exit 1; fi
fi
echo "pmproxy_was_running=$pmproxy_was_running" >>$seq_full
_cleanup()
{
cd $here
if $need_restore
then
$sudo rm -rf $PCP_ETC_DIR/pcp/labels/*
_restore_config $PCP_ETC_DIR/pcp/labels
$pmproxy_was_running || _service pmproxy stop >>$seq_full 2>&1
need_restore=false
fi
_pmdaopenmetrics_cleanup
$sudo rm -rf $tmp $tmp.*
}
_filter_openmetrics_labels()
{
sed \
-e "s;$PCP_PMDAS_DIR;PCP_PMDAS_DIR;g" \
-e 's;machineid="[a-z0-9]*";machineid=MACHINEID;g' \
-e 's;hostname="[a-zA-Z0-9_\.\-]*";hostname=HOSTNAME;g' \
-e 's;hostname:[a-zA-Z0-9_\.\-]*";hostname:HOSTNAME";g' \
-e 's;domainname="[a-zA-Z0-9_\.\-]*";domainname=DOMAINNAME;g' \
-e 's;144\.[0-9]*\.[0-9]*;NUMERIC_PMID;g' \
-e 's;144\.[0-9]*;NUMERIC_INDOM;g' \
# end
}
need_restore=true
_prepare_pmda openmetrics
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
_pmdaopenmetrics_save_config
_save_config $PCP_ETC_DIR/pcp/labels
$sudo rm -rf $PCP_ETC_DIR/pcp/labels/*
# set up a scripted config
MYHOST=`hostname`
cat <<EOF >$tmp.script
#! /bin/bash
echo '# HELP somemetric metric to test duplicate instname labels'
echo '# TYPE somemetric gauge'
echo 'somemetric{hostname="$MYHOST"} 1234'
EOF
cat <<EOF >$tmp.badxml
#! /bin/bash
cat $here/sadist/891688-dash-time.xml
echo '# TYPE somemetric gauge'
echo 'somemetric{hostname="$MYHOST"} 1234'
EOF
chmod 755 $tmp.script $tmp.badxml
$sudo mv $tmp.script $PCP_PMDAS_DIR/openmetrics/config.d/duplicate_instname_label.sh
$sudo mv $tmp.badxml $PCP_PMDAS_DIR/openmetrics/config.d/invalid_metrics_badinput.sh
_pmdaopenmetrics_install
if ! _pmdaopenmetrics_wait_for_metric openmetrics.control.calls
then
status=1
exit
fi
echo; echo === /metrics webapi listing. The instname label should appear only once.
curl -Gs 'http://localhost:44322/metrics?names=openmetrics.duplicate_instname_label.somemetric' \
| _filter_openmetrics_labels \
| awk '{
if (match($0, /\{[^}]+\}/)) {
prefix = substr($0, 1, RSTART-1)
labels_str = substr($0, RSTART+1, RLENGTH-2)
suffix = substr($0, RSTART+RLENGTH)
split("", labels)
n = split(labels_str, pairs, ",")
for (i = 1; i <= n; i++) {
split(pairs[i], kv, "=")
labels[kv[1]] = kv[2]
}
order = "script agent hostname instid instname domainname machineid source"
split(order, keys, " ")
result = ""
for (i = 1; i <= 8; i++) {
key = keys[i]
if (key in labels) {
if (result != "") result = result ","
result = result key "=" labels[key]
}
}
print prefix "{" result "}" suffix
} else {
print
}
}'
echo; echo === verify metric name validity using pminfo
pminfo -v openmetrics
# squash errors for a clean uninstall
$sudo rm $PCP_PMDAS_DIR/openmetrics/config.d/invalid_metrics_badinput.sh
# capture openmetrics log for posterity
cat $PCP_LOG_DIR/pmcd/openmetrics.log >> $seq_full
_pmdaopenmetrics_remove
# success, all done
status=0
exit
|
