private-ip-details: displays basic information about where a private IP is attached to and what owns it.

aliases

@@ -110,6 +110,7 @@ alias launch-configuration-asgs='~/.bash-my-aws/bin/bma launch-configuration-asg
 alias launch-configurations='~/.bash-my-aws/bin/bma launch-configurations'
 alias log-groups='~/.bash-my-aws/bin/bma log-groups'
 alias pcxs='~/.bash-my-aws/bin/bma pcxs'
+alias private-ip-details='~/.bash-my-aws/bin/bma private-ip-details'
 alias rds-db-clusters='~/.bash-my-aws/bin/bma rds-db-clusters'
 alias rds-db-instances='~/.bash-my-aws/bin/bma rds-db-instances'
 alias region-each='~/.bash-my-aws/bin/bma region-each'
@@ -167,4 +168,4 @@ function region() {
     else
         AWS_DEFAULT_REGION="$inputs";
     fi
-}
+}

lib/ec2-functions

@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# ec2-functions
+#
+# Generic EC2 functions
+
+
+private-ip-details() {
+  # Outputs information about a list of IPs
+  # 
+  # $ private-ip-details  10.1.2.3 10.2.3.4 10.3.4.5
+  #   None                 None          10.1.2.3       vpc_endpoint  111111111111  eni-aaaaaaaaaaaaaaaaa  in-use
+  #   None                 None          10.2.3.4       interface     amazon-elb    eni-bbbbbbbbbbbbbbbbb  in-use
+  #   i-123456             1.2.3.4       10.3.4.5       interface     None          eni-ccccccccccccccccc  in-use
+
+
+  local ips=$(skim-stdin "$@")
+  local joined_ips=$(echo $ips | sed "s/ /,/g")
+
+  aws ec2 describe-network-interfaces \
+    --filters "Name=addresses.private-ip-address,Values=$joined_ips" \
+    --query  \
+       "NetworkInterfaces[][
+          Attachment.InstanceId,
+          Association.PublicIp,
+          PrivateIpAddress,
+          InterfaceType,
+          RequesterId,
+          NetworkInterfaceId,
+          Status
+        ]" \
+    --output text |
+  column -s $'\t' -t
+
+}