Add utility to list recent metal-ipi pass rates (#1482)

scripts/periodics_pass_rates.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+
+usage() {
+    echo "$(basename $0) -  list recent pass rates for metal-ipi jobs" 1>&2
+    echo "Usage: $(basename 0) [-h] [-l] RELEASE" 1>&2
+    echo "  -l: list links to failed job runs" 1>&2
+    echo "  RELEASE: release to display results for (default: all)" 1>&2
+    echo "  eg: " 1>&2
+    echo "   ./scripts/periodics_pass_rates.sh 4.13 | sort" 1>&2
+    echo "   ./scripts/periodics_pass_rates.sh -l 4.13" 1>&2
+    exit 1
+}
+
+LIST=0
+while getopts ":l" o; do
+    case "${o}" in
+        l)
+            LIST=1
+            ;;
+        *)
+            usage
+            ;;
+    esac
+done
+shift $((OPTIND-1))
+
+ALLJOBSURL="https://raw.githubusercontent.com/openshift/release/master/ci-operator/jobs/openshift/release/openshift-release-master-periodics.yaml"
+JOBSTOTEST=$(curl -s $ALLJOBSURL | yq -r ".periodics[] | select(.name | contains(\"metal-ipi\")) | select(.name | contains(\"${1:-periodic}-\")) | .name")
+
+function getJobSummary(){
+    JOB=$1
+    URL=https://prow.ci.openshift.org/job-history/gs/origin-ci-test/logs/$JOB
+    DATA=$(curl --silent $URL | grep allBuilds - | grep -o '\[.*\]')
+    SUCCESS=$(echo $DATA | jq '.[].Result' | grep "SUCCESS" | wc -l)
+    TOTAL=$(echo $DATA | jq '.[].Result' | grep -v "PENDING" | wc -l)
+    if [ "$TOTAL" == 0 ] ; then
+        echo $JOB $SUCCESS/0 0% - ${URL}
+        return
+    fi
+    echo $(( (SUCCESS * 100)/TOTAL ))% $SUCCESS/$TOTAL - ${URL}
+    if [ "$LIST" == "1" ] ; then
+        echo $DATA | jq '.[] | select(.Result | contains("FAILURE")) | "    \(.Started) https://prow.ci.openshift.org/\(.SpyglassLink) " ' -r
+    fi
+}
+
+for JOB in $JOBSTOTEST ; do
+    getJobSummary $JOB
+done
+