Add prometheus cAdvisor placement label for second prometheus (#181)

* Add prometheus cAdvisor placement label for second prometheus

* Fix prometheus datasource

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Co-authored-by: kaiser <[email protected]>

Author: mrnicegyu11

services/monitoring/docker-compose.aws.yml

@@ -16,7 +16,7 @@ services:
     deploy:
       placement:
         constraints:
-          - node.labels.prometheus==true
+          - node.labels.prometheuscadvisor==true
       resources:
         limits:
           memory: 4096M

services/monitoring/grafana/provisioning/allDeployments/datasources/1.json

@@ -19,7 +19,7 @@
   "type": "prometheus",
   "typeLogoUrl": "",
   "uid": "RmZEr52nz",
-  "url": "http://prometheus:9090",
+  "url": "http://prometheus-catchall:9090",
   "user": "",
   "version": 1,
   "withCredentials": false