chore: Use templating for datasource in grafana dashboard file (#2542)

### Description

This PR uses templating for datasource. i.e. no need to keep
<prometheus> inside the dashboard json file which should be manually
replaced by users.

### Drive-by changes

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Are there any minor or drive-by changes also included?
-->

### Related issues

<!--
- Fixes #[issue number here]
-->

### Backward compatibility

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Are these changes backward compatible? Are there any infrastructure
implications, e.g. changes that would prohibit deploying older commits
using this infra tooling?

Yes/No
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### Testing

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Co-authored-by: josedev-union <josedev-union@users.noreply.github.com>
Co-authored-by: Mattie Conover <git@mconover.dev>

tools/grafana/README.md

@@ -5,11 +5,10 @@ updated when we want to update our published templates.
 
 ## Importing
 
-1. replace all instances of `<prometheus>` with your prometheus deployment name in grafana
-2. Create a new dashboard in grafana
-3. Select the gear icon "dashboard settings"
-4. Select "JSON Model"
-5. Copy/paste from the "\*.json" file
+1. Create a new dashboard in grafana
+2. Select the gear icon "dashboard settings"
+3. Select "JSON Model"
+4. Copy/paste from the "\*.json" file
 
 ## Exporting
 

tools/grafana/validator-dashboard.json

@@ -42,7 +42,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "Seconds between blocks for each chain",
       "fieldConfig": {
@@ -119,7 +119,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "1 / avg by(chain)(rate(hyperlane_block_height{hyperlane_deployment=~\"$deployment\",chain=~\"$chain\",agent=\"validator\"}[$__rate_interval]))",
@@ -135,7 +135,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "fieldConfig": {
         "defaults": {
@@ -181,7 +181,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "max(hyperlane_block_height{agent=\"validator\", }) by (chain)",
@@ -196,7 +196,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "fieldConfig": {
         "defaults": {
@@ -242,7 +242,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "exemplar": false,
@@ -260,7 +260,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "Count of messages signed per time window",
       "fieldConfig": {
@@ -333,7 +333,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "max by (chain)(hyperlane_latest_checkpoint{agent=\"validator\",  chain=~\"$chain\", phase=\"validator_processed\"}) - max by (chain)(hyperlane_latest_checkpoint{agent=\"validator\",  chain=~\"$chain\", phase=\"validator_processed\"} offset $bucket)",
@@ -349,7 +349,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "If running multiple validator instances, the difference between the latest and earliest observed checkpoints for each chain.",
       "fieldConfig": {
@@ -424,7 +424,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "max by(chain) (hyperlane_latest_checkpoint{agent=\"validator\",  chain=~\"$chain\", phase=\"validator_observed\"}) - min by (chain)(hyperlane_latest_checkpoint{agent=\"validator\",  chain=~\"$chain\", phase=\"validator_observed\"})",
@@ -440,7 +440,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "fieldConfig": {
         "defaults": {
@@ -523,7 +523,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "exemplar": false,
@@ -541,7 +541,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "fieldConfig": {
         "defaults": {
@@ -612,7 +612,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "exemplar": false,
@@ -629,7 +629,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "Total number of contract calls made by chain for a period",
       "fieldConfig": {
@@ -706,7 +706,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "sum by (chain)(increase(hyperlane_contract_call_count{ chain=~\"$chain\", agent=\"validator\"}[$bucket]))",
@@ -722,7 +722,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "The rate at which we are making contract calls.",
       "fieldConfig": {
@@ -799,7 +799,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "sum by (chain) (rate(hyperlane_contract_call_count{agent=\"validator\"}[$__rate_interval]))",
@@ -815,7 +815,7 @@
     {
       "datasource": {
         "type": "prometheus",
-        "uid": "<prometheus>"
+        "uid": "$datasource"
       },
       "description": "The average contract call duration by chain",
       "fieldConfig": {
@@ -892,7 +892,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "editorMode": "code",
           "expr": "avg by (chain)(rate(hyperlane_contract_call_count{agent=\"validator\",chain=~\"$chain\"}[$__rate_interval]) - rate(hyperlane_contract_call_duration_seconds{agent=\"validator\",chain=~\"$chain\"}[$__rate_interval]))",
@@ -918,7 +918,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "description": "",
           "fieldConfig": {
@@ -994,7 +994,7 @@
             {
               "datasource": {
                 "type": "prometheus",
-                "uid": "<prometheus>"
+                "uid": "$datasource"
               },
               "editorMode": "code",
               "expr": "sum by (contract_name, function_name)(increase(hyperlane_contract_call_count{ chain=~\"$chain\", agent=\"validator\"}[$bucket]))",
@@ -1010,7 +1010,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "description": "",
           "fieldConfig": {
@@ -1086,7 +1086,7 @@
             {
               "datasource": {
                 "type": "prometheus",
-                "uid": "<prometheus>"
+                "uid": "$datasource"
               },
               "editorMode": "code",
               "expr": "sum by (function_name,contract_name)(rate(hyperlane_contract_call_count{agent=\"validator\",chain=~\"$chain\"}[$__rate_interval]))",
@@ -1102,7 +1102,7 @@
         {
           "datasource": {
             "type": "prometheus",
-            "uid": "<prometheus>"
+            "uid": "$datasource"
           },
           "description": "",
           "fieldConfig": {
@@ -1178,7 +1178,7 @@
             {
               "datasource": {
                 "type": "prometheus",
-                "uid": "<prometheus>"
+                "uid": "$datasource"
               },
               "editorMode": "code",
               "expr": "avg by (function_name,contract_name)(rate(hyperlane_contract_call_count{agent=\"validator\",chain=~\"$chain\"}[$__rate_interval]) - rate(hyperlane_contract_call_duration_seconds{agent=\"validator\",chain=~\"$chain\"}[$__rate_interval]))",
@@ -1204,6 +1204,25 @@
   "tags": [],
   "templating": {
     "list": [
+      {
+        "current": {
+          "selected": true,
+          "text": "default",
+          "value": "default"
+        },
+        "hide": 0,
+        "includeAll": false,
+        "label": "Data Source",
+        "multi": false,
+        "name": "datasource",
+        "options": [],
+        "query": "prometheus",
+        "queryValue": "",
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "type": "datasource"
+      },
       {
         "auto": true,
         "auto_count": 30,
@@ -1277,7 +1296,7 @@
         },
         "datasource": {
           "type": "prometheus",
-          "uid": "<prometheus>"
+          "uid": "$datasource"
         },
         "definition": "label_values(hyperlane_block_height, hyperlane_deployment)",
         "hide": 0,
@@ -1308,7 +1327,7 @@
         },
         "datasource": {
           "type": "prometheus",
-          "uid": "<prometheus>"
+          "uid": "$datasource"
         },
         "definition": "label_values(hyperlane_block_height{hyperlane_deployment=~\"$deployment\"}, chain)",
         "hide": 0,