list-instances - merge JQ script to SH script

mludvig · Sep 8, 2016 · 64ce001 · 64ce001
1 parent 3513047
commit 64ce001
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 25 deletions.
diff --git a/jq/list-instances.jq b/jq/list-instances.jq
diff --git a/list-instances/list-instances b/list-instances/list-instances
@@ -9,8 +9,26 @@
 
 set -e
 
-export SCRIPTS_DIR=$(dirname $0)
-test -z "${SCRIPTS_DIR}" && SCRIPTS_DIR=$(dirname $(which $0))
-export JQ_DIR=${SCRIPTS_DIR}/../jq
+aws ec2 describe-instances | jq -r '
+# Right-pad string with spaces
+def pad(width):
+  tostring | if width > length then . + (width - length) * " " else . end;
 
-aws ec2 describe-instances | jq -f ${JQ_DIR}/list-instances.jq -r
+# Display running instances Name and PrivateIpAddress
+[
+	.Reservations[].Instances[]
+	| select(.State.Name == "running" and .Tags != null)
+	| {
+		"PrivateIpAddress": .PrivateIpAddress?,
+		"Name": .Tags[] | select(.Key == "Name") | .Value,
+	}
+]
+| sort_by(.Name)
+| group_by(.Name)
+| .[]
+| {
+	"FmtName": .[0].Name | pad(30),
+	"FmtIpAddr": [ .[].PrivateIpAddress ] | join("  ")
+}
+| @text "\(.FmtName) \(.FmtIpAddr)"
+'