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|
#!/bin/sh
# PCP QA Test No. 1890
# Test duplicate instname labels in /metrics webapi when a context
# level label such as "hostname" is explicitly specified.
# Test invalid OpenTelemetry metric names also.
#
# Copyright (c) 2025 Red Hat. All Rights Reserved.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.opentelemetry
_check_series # ensure pmproxy makes a REST API available
_pmdaopentelemetry_check || _notrun "opentelemetry pmda not installed"
which curl >/dev/null 2>&1 || _notrun curl not installed
status=1 # failure is the default!
# only stop pmproxy if it was not running before the QA test starts
if [ -n "`_get_pids_by_name pmproxy`" ]
then
pmproxy_was_running=true
else
pmproxy_was_running=false
if ! _service pmproxy start >>$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
_pmdaopentelemetry_cleanup
$sudo rm -rf $tmp $tmp.*
}
_filter_opentelemetry_labels()
{
sed \
-e "s;$PCP_PMDAS_DIR;PCP_PMDAS_DIR;g" \
-e 's;machineid="[a-z0-9]*";machineid=MACHINEID;g' \
-e 's;url="[^"]*";url=URL;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
}
_reorder_labels()
{
awk '
/^[^#].*{.*=.*}/ {
match($0, /^([^{]+){([^}]+)}(.*)$/, a)
metric = a[1]
labels_str = a[2]
rest = a[3]
delete labels
n = split(labels_str, pairs, ",")
for (i = 1; i <= n; i++) {
match(pairs[i], /^([^=]+)=(.+)$/, kv)
key = kv[1]
value = kv[2]
labels[key] = value
}
order = "url agent hostname domainname machineid source my_sum_attribute"
split(order, order_arr, " ")
output = metric "{"
first = 1
for (i = 1; i <= length(order_arr); i++) {
key = order_arr[i]
if (key in labels) {
if (!first) output = output ","
output = output key "=" labels[key]
first = 0
}
}
output = output "}" rest
print output
next
}
{print}
'
}
need_restore=true
_prepare_pmda opentelemetry
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
_pmdaopentelemetry_save_config
_save_config $PCP_ETC_DIR/pcp/labels
$sudo rm -rf $PCP_ETC_DIR/pcp/labels/*
# set up a scripted config
MYHOST=`hostname`
file_path=$here/opentelemetry/samples/duplicate.txt
urlbase=`basename "$file_path" .txt | tr .- _`
echo 'file:///'$file_path > $tmp.tmp
$sudo cp $tmp.tmp $PCP_PMDAS_DIR/opentelemetry/config.d/$urlbase.url
_pmdaopentelemetry_install
if ! _pmdaopentelemetry_wait_for_metric opentelemetry.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=opentelemetry.duplicate.somemetric' \
| _filter_opentelemetry_labels | _reorder_labels
echo; echo === verify metric name validity using pminfo
pminfo -v opentelemetry
# squash errors for a clean uninstall
$sudo rm $PCP_PMDAS_DIR/opentelemetry/config.d/duplicate.url
# capture opentelemetry log for posterity
cat $PCP_LOG_DIR/pmcd/opentelemetry.log >> $seq_full
_pmdaopentelemetry_remove
# success, all done
status=0
exit
|
