Merge pull request #28 from dlapina/update-templates

📝 (RDSDiskSpaceLimit.md): update runbook RDSDiskSpaceLimit

content/runbooks/rds/RDSDiskSpaceLimit.md

@@ -73,7 +73,14 @@ You must avoid reaching no disk space left situation.
 {{% aws-rds-storage-increase-limitations %}}
 {{< /hint >}}
 
-    1. Determine the minimum storage for the increase
+    1. Set AWS_PROFILE
+
+        ```bash
+        export AWS_PROFILE=<AWS account>
+        ```
+
+    2. Determine the minimum storage for the increase
+        💡 RDS requires a minimal storage increase of 10%
 
         ```bash
         INSTANCE_IDENTIFIER=<replace with the RDS instance identifier>
@@ -84,16 +91,20 @@ You must avoid reaching no disk space left situation.
         | jq -r '{"Current IOPS": .DBInstances[0].Iops, "Current Storage Limit": .DBInstances[0].AllocatedStorage, "New minimum storage size": ((.DBInstances[0].AllocatedStorage|tonumber)+(.DBInstances[0].AllocatedStorage|tonumber*0.1|floor))}'
         ```
 
-    1. Increase storage:
+    3. Increase storage:
 
         ```bash
         NEW_ALLOCATED_STORAGE=<replace with new allocated storage in GB>
         ```
 
         ```bash
-        aws rds modify-db-instance --db-instance-identifier ${RDS_INSTANCE} --allocated-storage ${INSTANCE_IDENTIFIER} --apply-immediately \
+        aws rds modify-db-instance --db-instance-identifier ${INSTANCE_IDENTIFIER} --allocated-storage ${NEW_ALLOCATED_STORAGE} --apply-immediately \
         | jq .DBInstance.PendingModifiedValues
         ```
+
+        ❗ If the RDS instance has replicas instances (replica or reporting), you must repeat the operation for all replicas to keep the same configuration between instances
+
+    4. Backport changes in Terraform
 
 ## Additional resources