added cronjob check

check_rancher2.sh

@@ -180,6 +180,7 @@ Check Types:
 \tproject -> Checks the current status of all projects or of a specific project (defined with -p projectid)
 \tworkload -> Checks the current status of all or a specific (-w workloadname) workload within a project (-p projectid must be set!)
 \tpod -> Checks the current status of all or a specific (-o podname -n namespace) pod within a project (-p projectid must be set!)
+\tcron -> Checks the current status of a single (-w workloadname) cronjob within a project (-p projectid and -w workloadname must be set!)																																		  
 "
 exit ${STATE_UNKNOWN}
 }
@@ -1171,6 +1172,79 @@ else
 fi
 ;;
 
+# --- cronjob status check (requires project, namespace and workload name)--- #
+
+cron)
+if [ -z $projectname ] || [ -z $workloadname ] || [ -z $namespacename ]; then
+  echo -e "CHECK_RANCHER2 UNKNOWN - To check a cronjob you must define the project (-p), workloadname (-w) and the namespace (-n)."
+  exit ${STATE_UNKNOWN}
+fi
+
+if [[ -n $namespacename && $namespacename != "" ]]; then
+  nsappend="&namespaceId=$namespacename"
+  nsoutputappend="in namespace $namespacename "
+fi
+
+api_out_single_cronjob=$(curl -s ${selfsigned} -u "${apiuser}:${apipass}" "${proto}://${apihost}/v3/project/${projectname}/workloads/cronjob:${namespacename}:${workloadname}")
+
+# Check if cluster is available
+if [[ -n $(echo "$api_out_single_cronjob" | grep -i "ClusterUnavailable") ]]; then
+  clustername=$(echo ${projectname} | awk -F':' '{print $1}')
+  echo "CHECK_RANCHER2 CRITICAL - Cluster $clustername not found. Hint: Use '-t info' to identify cluster and project names." 
+  exit ${STATE_CRITICAL}
+fi
+
+# Check if that given project name exists
+if [[ -z $(echo "$api_out_single_cronjob" | grep -i "containers") ]]; then
+  echo "CHECK_RANCHER2 CRITICAL - Cronjob $workloadname ${nsoutputappend}not found." 
+  exit ${STATE_CRITICAL}
+fi
+
+# Path to cron schedule converter
+cronconverter=./convert_cron_schedule.py
+
+# Check healthstatus of cronjob
+healthstatus=$(echo "$api_out_single_cronjob" | jq -r '.state')
+suspended=$(echo "$api_out_single_cronjob" | jq -r '.cronJobConfig.suspend')
+
+# Check if cronjob is active and runs in defined schedule
+if test -f "$cronconverter"; then
+
+  if [[ ${healthstatus} = active ]]; then
+    cronschedule=$(echo "$api_out_single_cronjob" | jq -r '.cronJobConfig.schedule')
+    crondiff=$(python3 $cronconverter "$cronschedule" difftimestamp)
+    currenttime=$(date +%s%N | cut -b1-13)
+    lastruntime=$(echo "$api_out_single_cronjob" | jq -r '.cronJobStatus.lastScheduleTimeTS')
+    currentdiff=$((currenttime-lastruntime))
+
+    if [[ ${suspended} = true ]]; then
+      echo "CHECK_RANCHER2 WARNING - Cronjob $workloadname ${nsoutputappend}is suspended.|'workload_active'=0;;;; 'workload_error'=0;;;; 'workload_warning'=1;;;;"
+      exit ${STATE_WARNING}
+
+    elif [[ $currentdiff -gt $crondiff ]]; then
+      echo "CHECK_RANCHER2 CRITICAL - Cronjob $workloadname ${nsoutputappend}is not running in schedule time."
+      exit ${STATE_CRITICAL}
+    else
+      echo "CHECK_RANCHER2 OK - Cronjob $workloadname ${nsoutputappend}is running properly."
+      exit ${STATE_OK}
+    fi
+
+  elif [[ ${healthstatus} = updating ]]; then
+    echo "CHECK_RANCHER2 WARNING - Cronjob $workloadname ${nsoutputappend}is ${healthstatus}|'workload_active'=0;;;; 'workload_error'=0;;;; 'workload_warning'=1;;;;"
+    exit ${STATE_WARNING}
+
+  else
+    echo "CHECK_RANCHER2 CRITICAL - Cronjob $workloadname ${nsoutputappend}is ${healthstatus}|'workload_active'=0;;;; 'workload_error'=1;;;; 'workload_warning'=0;;;;"
+    exit ${STATE_CRITICAL}
+  fi
+
+else 
+  echo "CHECK_RANCHER2 UNKNOWN - Resource not found: convert_cron_schedule.py"
+  exit ${STATE_UNKNOWN}
+fi
+;;
+
+
 esac
 echo "UNKNOWN: should never reach this part"
 exit ${STATE_UNKNOWN}

convert_cron_schedule.py

@@ -0,0 +1,28 @@
+import croniter
+import datetime
+import sys
+
+# Variables
+now = datetime.datetime.now()
+sched = sys.argv[1]
+argument = sys.argv[2]    
+cron = croniter.croniter(sched, now)
+
+# Dates
+nextdate = cron.get_next(datetime.datetime)
+nextdatets_int = int(round(nextdate.timestamp() * 1000))
+prevdate = cron.get_prev(datetime.datetime)
+prevdatets_int = int(round(prevdate.timestamp() * 1000))
+
+schedulediff = nextdatets_int - prevdatets_int
+
+# Get next cron run
+if argument == "next_run":
+    print(nextdatets_int)
+
+# Get difference between cron runs
+elif argument == "difftimestamp":
+    print(schedulediff)
+
+else:
+    print("Unknown arguments.")