Exporting two metrics using env vars - Noobaa_bucket_low_capacity_thr…

…eshold and Noobaa_bucket_no_capacity_threshold

Signed-off-by: Aayush Chouhan <achouhan@redhat.com>

config.js

@@ -621,6 +621,10 @@ config.HA_METRICS_SERVER_PORT = 7003;
 config.EP_METRICS_SERVER_PORT = 7004;
 config.EP_METRICS_SERVER_SSL_PORT = 9443;
 
+// Bucket capacity thresholds (percentage)
+config.BUCKET_LOW_CAPACITY_THRESHOLD = parseInt(process.env.BUCKET_LOW_CAPACITY_THRESHOLD, 10) || 80;
+config.BUCKET_NO_CAPACITY_THRESHOLD = parseInt(process.env.BUCKET_NO_CAPACITY_THRESHOLD, 10) || 95;
+
 //////////////////////////////
 // OAUTH RELATES            //
 //////////////////////////////
@@ -1118,6 +1122,7 @@ config.GPFS_DOWN_DELAY = 1000;
 
 //Quota
 config.QUOTA_LOW_THRESHOLD = 80;
+
 config.QUOTA_MAX_OBJECTS = Number.MAX_SAFE_INTEGER;
 
 //////////////////////////

src/server/analytic_services/prometheus_reports/noobaa_core_report.js

@@ -431,6 +431,20 @@ const NOOBAA_CORE_METRICS = js_utils.deep_freeze([{
             help: 'Object Bucket Used Bytes',
             labelNames: ['bucket_name']
         }
+    }, {
+        type: 'Gauge',
+        name: 'bucket_low_capacity_threshold',
+        generate_default_set: true,
+        configuration: {
+            help: 'Bucket Low Capacity Threshold Percentage'
+        }
+    }, {
+        type: 'Gauge',
+        name: 'bucket_no_capacity_threshold',
+        generate_default_set: true,
+        configuration: {
+            help: 'Bucket No Capacity Threshold Percentage'
+        }
     }
 ]);
 

src/server/system_services/stats_aggregator.js

@@ -1065,6 +1065,9 @@ function partial_cycle_parse_prometheus_metrics(payload) {
     // TODO: Currently mock data, update with the relevant values.
     core_report.set_rebuild_progress(100);
     core_report.set_rebuild_time(0);
+    // set bucket capacity thresholds from config (env vars with defaults)
+    core_report.set_bucket_low_capacity_threshold(config.BUCKET_LOW_CAPACITY_THRESHOLD);
+    core_report.set_bucket_no_capacity_threshold(config.BUCKET_NO_CAPACITY_THRESHOLD);
 }
 
 /*