AIAP Gate - Update script to use status-checker

This change updates the 20_apply_aiap.sh script to utilize the
status-checker container to determine if airship-in-a-pod has
successfully completed. It also includes a check to fail when
the status-checker has detected a failure.

Relates-To: #659
Change-Id: I3673de7157f498778154c798878ab20245396c62

Author: Michael Beaver

Diff for: tools/airship-in-a-pod/scripts/20_apply_aiap.sh

@@ -21,10 +21,14 @@ set -ex
 
 
 INTERVAL=15
+# Number of statuses that the status checker is looking at
+STATUS_CHECKER_NUM=3
+
 READY=false
 KUBE_READY=false
 
 
+
 # Wait for the Kubernetes environment to become completely ready
 while [[ $KUBE_READY == "false" ]];
 do
@@ -62,3 +66,14 @@ do
     sleep "$INTERVAL"
 done
 
+# Now that all of the containers are ready, keep an eye on the status-checker
+# container until it shows that every status succeeds, and exit on any failure
+while [[ $(kubectl logs airship-in-a-pod -c status-checker --tail 1 | grep -o "SUCCESS" | wc -l) -lt ${STATUS_CHECKER_NUM} ]]
+do
+    # If any status is listed as "FAILED" then we should kill the script with a non 0 exit code
+    if [[ $(kubectl logs airship-in-a-pod -c status-checker --tail 1 | grep -c -o "FAILED") -gt 0 ]]; then
+        kubectl logs airship-in-a-pod -c status-checker --tail 1
+        exit 3
+    fi
+	sleep "$INTERVAL"
+done