Added details

README.md

@@ -10,8 +10,7 @@ You will require a profile with access to ec2 listing.
 Help command: 
 
 ```
-usage: lister.py [-h] [-r REGION] -p PROFILE [-fk [FILTER_KEY [FILTER_KEY ...]]]
-                 [-fv [FILTER_VALUE [FILTER_VALUE ...]]] [-l]
+usage: lister.py [-h] [-r REGION] -p PROFILE [-fk [FILTER_KEY [FILTER_KEY ...]]] [-fv [FILTER_VALUE [FILTER_VALUE ...]]] [-l] [-i INSTANCE_ID]
 
 This script will list your ec2 instance with a given profile.
 You may also define a region (if not configured on the profile this is required), and you can filter. A few examples:
@@ -30,8 +29,8 @@ You may also define a region (if not configured on the profile this is required)
 - Complex filtering patterns!
   lister.py -p leo -r us-west-2 -fk tag:env tag:role -fv staging,beta webservers
 
-Aditionally, you can list how many instances per region you have in case you don't know which region you are searching for
-after this, you can filter adding the region you found instances for
+-  Get details from an instance
+  lister.py -p leo -i i-1234567890abcdef0
 
 - Find out how many instances per region you have
   lister.py -p leo -l
@@ -47,7 +46,8 @@ optional arguments:
   -fv [FILTER_VALUE [FILTER_VALUE ...]], --filter_value [FILTER_VALUE [FILTER_VALUE ...]]
                         Value used for filtering (one or more)
   -l, --list            Ammount of instances per region (one or more)
-
+  -i INSTANCE_ID, --instance-id INSTANCE_ID
+                        Get instance details nicely formated
 ```
 
 

lister.py

@@ -4,6 +4,8 @@
 import argparse
 from argparse import RawTextHelpFormatter
 import datetime
+import json
+from rich.json import JSON
 from rich.console import Console
 from rich.table import Table
 
@@ -26,10 +28,8 @@
 - Complex filtering patterns!
   lister.py -p leo -r us-west-2 -fk tag:env tag:role -fv staging,beta webservers
 
-
-
-Aditionally, you can list how many instances per region you have in case you don't know which region you are searching for
-after this, you can filter adding the region you found instances for
+-  Get details from an instance
+  lister.py -p leo -i i-1234567890abcdef0
 
 - Find out how many instances per region you have
   lister.py -p leo -l
@@ -40,19 +40,22 @@
 parser.add_argument('-fk','--filter_key', help='Key used for filtering', required=False, default=None, nargs='*')
 parser.add_argument('-fv','--filter_value', help='Value used for filtering (one or more)', required=False, default=None, nargs='*')
 parser.add_argument('-l','--list', help='Ammount of instances per region (one or more)', required=False, default=None, action='store_true')
+parser.add_argument('-i','--instance-id', help='Get instance details nicely formated', required=False, default=None)
 args = vars(parser.parse_args())
 
 console = Console()
+if args['region'] != None:
+    session = boto3.session.Session(profile_name=args['profile'], region_name=args['region'])
+else:
+    session = boto3.session.Session(profile_name=args['profile'])
+ec2 = session.resource('ec2')
 
-
-def lister():
+def lister(ec2):
     if args['list'] != None:
         regions = ['us-west-1', 'us-west-2', 'us-east-1', 'us-east-2', 'eu-west-1', 'eu-west-2', 'eu-west-3', 'eu-central-1', 'eu-north-1', 'ap-south-1', 'ap-southeast-1', 'ap-northeast-1', 'ap-northeast-2',
         'ap-northeast-3', 'ap-southeast-1', 'ap-southeast-2', 'sa-east-1', 'ca-central-1']
         for region in regions:
             instances = 0
-            session = boto3.session.Session(profile_name=args['profile'], region_name=region)
-            ec2 = session.resource('ec2')
             with console.status("[bold green]Getting instances...", spinner="dots") as status:
                 for instance in ec2.instances.all():
                     instances = instances+1
@@ -61,12 +64,29 @@ def lister():
                 else:
                     console.log("Found [bold underline red on black]{}[/] instances on region [bold underline white on black]{}[/]".format(instances,region), style="bold red" )
 
-def main():
-    if args['region'] != None:
-        session = boto3.session.Session(profile_name=args['profile'], region_name=args['region'])
-    else:
-        session = boto3.session.Session(profile_name=args['profile'])
-
+def instance(ec2):
+    with console.status("[bold green]Getting instances...", spinner="dots"):
+        instance = ec2.Instance(args['instance_details'])
+        table = Table(show_header=True, header_style="bold magenta", show_lines=True)
+        table.add_column("Attribute", style="white bold dim", width=20)
+        table.add_column("Value", style="white dim")
+        table.add_row("Instance ID", instance.id)
+        table.add_row("Instance Type", instance.instance_type)
+        table.add_row("Instance State", instance.state['Name'])
+        table.add_row("Instance Launch Time", str(instance.launch_time))
+        table.add_row("Instance Public IP", instance.public_ip_address)
+        table.add_row("Instance Private IP", instance.private_ip_address)
+        table.add_row("Instance Public DNS", instance.public_dns_name)
+        table.add_row("Instance Private DNS", instance.private_dns_name)
+        table.add_row("Instance Key Name", instance.key_name)
+        table.add_row("Instance IAM Role", instance.iam_instance_profile)
+        table.add_row("Instance VPC ID", instance.vpc_id)
+        table.add_row("Instance Subnet ID", instance.subnet_id)
+        table.add_row("Instance Security Groups", JSON(json.dumps(instance.security_groups)))
+        table.add_row("Instance Tags", JSON(json.dumps(instance.tags)))
+    console.print(table)
+
+def main(ec2):
     if args['filter_key'] and args['filter_value'] != None:
         filter = [{'Name': 'instance-state-name', 'Values': ['running']}]
         # allow multiple sets of filter keys and values
@@ -111,6 +131,8 @@ def main():
     console.print(ec2_table)
 
 if args['list'] != None:
-    lister()
+    lister(ec2)
+elif args['instance_id'] != None:
+    instance(ec2)
 else:
-    main()
+    main(ec2)