merge files from the blockchain infra repo (#59)

code/kafka/AWS-MSK-commands.md

@@ -0,0 +1,41 @@
+## AWS MSK Commands
+
+### List clusters
+
+Returns a list of all the MSK clusters in the current Region:
+
+```
+aws kafka list-clusters
+```
+
+### Describing the cluster
+
+Returns a description of the MSK cluster whose (ARN) is specified in the request:
+
+```
+aws kafka describe-cluster --cluster-arn <arn>
+```
+
+### Listing nodes
+
+Returns a list of the broker nodes in the cluste:
+
+```
+aws kafka list-nodes --cluster-arn <arn>
+```
+
+### Listing bootstrap brokers urls
+
+A list of brokers that a client application can use to bootstrap:
+
+```
+aws kafka  get-bootstrap-brokers --cluster-arn <arn>
+```
+
+### List clusters operation
+
+Returns a list of all the operations that have been performed on the specified MSK cluster:
+
+```
+aws kafka  list-cluster-operations --cluster-arn <arn>
+```