scylla-manager.1.4: cql metric rename to scylla_manager_healthcheck_cql_rtt_ms

(cherry picked from commit 01407eb)

Author: amnonh

grafana/scylla-manager.1.4.template.json

@@ -39,7 +39,7 @@
                         "class": "single_stat_panel",
                         "targets": [
                             {
-                                "expr": "count(up{job=\"scylla\", cluster=~\"$cluster|$^\"})",
+                                "expr": "count(scylla_manager_healthcheck_cql_rtt_ms{cluster=~\"$cluster|$^\"})",
                                 "intervalFactor": 1,
                                 "legendFormat": "Total Nodes",
                                 "refId": "A",
@@ -204,13 +204,13 @@
                     "class": "template_variable_single",
                     "label": "cluster",
                     "name": "cluster",
-                    "query": "label_values(scylla_manager_cluster_cql_rtt_ms, cluster)"
+                    "query": "label_values(scylla_manager_healthcheck_cql_rtt_ms, cluster)"
                 },
                 {
                     "class": "template_variable_all",
                     "label": "host",
                     "name": "host",
-                    "query": "label_values(scylla_manager_cluster_cql_rtt_ms{cluster=~\"$cluster|$^\"}, host)"
+                    "query": "label_values(scylla_manager_healthcheck_cql_rtt_ms{cluster=~\"$cluster|$^\"}, host)"
                 },
                 {
                     "class": "template_variable_all",