Lambda demo functions for Server Stop/Start/Status

MyObsidianVault/.obsidian/app.json

@@ -6,5 +6,6 @@
     "landscape": false,
     "margin": "0",
     "downscalePercent": 100
-  }
+  },
+  "readableLineLength": false
 }

MyObsidianVault/AWA/01_AWS Access/_Lambda Code Snippets/01 Stop AWA Server.md

@@ -0,0 +1,15 @@
+```python
+#StopServer
+import boto3
+region = 'eu-central-1'
+#instances = ['i-0de7cce6fcdf8c0e6']
+ec2 = boto3.client('ec2', region_name=region)
+
+def lambda_handler(event, context):
+    ec2.stop_instances(InstanceIds=["i-0de7cce6fcdf8c0e6"])
+    return { 
+        'message' : 'stopped'
+    }
+```
+ 
+`

MyObsidianVault/AWA/01_AWS Access/_Lambda Code Snippets/02 Start AWA Server.md

@@ -0,0 +1,13 @@
+```python
+#StartServer
+import boto3
+region = 'eu-central-1'
+#instances = ['i-0de7cce6fcdf8c0e6']
+ec2 = boto3.client('ec2', region_name=region)
+
+def lambda_handler(event, context):
+    ec2.start_instances(InstanceIds=["i-0de7cce6fcdf8c0e6"])
+    return { 
+        'message' : 'server started'
+    }
+```

MyObsidianVault/AWA/01_AWS Access/_Lambda Code Snippets/03 Get AWA Server IP.md

@@ -0,0 +1,45 @@
+```python
+import boto3
+import time
+import datetime
+
+#ec2 = boto3.resource('ec2')
+ec2 = boto3.client('ec2')
+
+awa_server_instance_id = "i-0de7cce6fcdf8c0e6"
+                          
+def lambda_handler(event, context):
+    #return "1.2.3.4"
+
+    #filters = [
+    #    {
+    #        'Name': 'instance-state-name',
+    #        'Values': ['running']
+    #    }
+    #]
+    #
+    #instances = ec2.instances.filter(Filters=filters)
+    #
+    #for instance in instances:
+    #    print(instance)
+
+    
+    response = ec2.describe_instances()
+    
+    for reservation in response['Reservations']:
+        for instance in reservation['Instances']:
+            instance_id = instance.get('InstanceId', 'NONE')
+            ip = instance.get('PublicIpAddress', 'DOWN')
+            
+            if instance_id == awa_server_instance_id:
+                #return {
+                #   'statusCode': 200,
+                #    'ip': ip
+                #}
+                return ip+'\n'
+    #return {
+    #    'statusCode': 200,
+    #    'ip': "DOWN"
+    #}
+    return "DOWN\n"
+```

MyObsidianVault/AWA/01_AWS Access/_Lambda Code Snippets/04 Get AWA Uptime.md

@@ -0,0 +1,31 @@
+```python
+#Get Uptime
+import boto3
+import time
+import datetime
+region = 'eu-central-1'
+instances = ['i-0de7cce6fcdf8c0e6']
+ec2 = boto3.resource('ec2')
+print("Executing script")    
+    
+def lambda_handler(event, context):
+    for instance in ec2.instances.all():
+        if instance.id =="i-0de7cce6fcdf8c0e6":
+            state = instance.state["Name"]
+            if state != "running":
+                return { 
+                    'state' : state,
+                    'uptime': '-'
+                }
+            else:
+                launch_time = (instance.launch_time).strftime("%Y-%m-%d %H:%M:%S")
+                launch_time = datetime.datetime.strptime(launch_time, "%Y-%m-%d %H:%M:%S")
+                current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+                current_time = datetime.datetime.strptime(current_time, "%Y-%m-%d %H:%M:%S")
+                uptime = (current_time - launch_time)
+                threshold = datetime.timedelta(minutes = 2)
+                return { 
+                    'state' : state,
+                    'uptime': str(uptime)
+                }
+```