Docker app beta

dockerManager/decorators.py

@@ -0,0 +1,47 @@
+from django.shortcuts import render,redirect
+from loginSystem.models import Administrator
+import os 
+import docker
+import json
+from django.http import HttpResponse
+from loginSystem.views import loadLoginPage
+
+def preDockerRun(function):
+    def wrap(request, *args, **kwargs):
+        
+        try:        
+            val = request.session['userID']
+        except KeyError:
+            return redirect(loadLoginPage)
+        
+        admin = Administrator.objects.get(pk=val)
+        
+        if request.method == "POST":
+            isPost = True
+        else:
+            isPost = False
+            
+        # check if docker is installed
+        dockerInstallPath = '/usr/bin/docker'
+        if not os.path.exists(dockerInstallPath):
+            if isPost:
+                data_ret = {'status': 0, 'error_message': 'Docker not installed'}
+                json_data = json.dumps(data_ret)
+                return HttpResponse(json_data)
+            else:
+                return render(request, 'dockerManager/install.html', {'status':admin.type, 'conErr':0})
+            
+        # Check if docker is running and we are able to connect
+        try:
+            client = docker.from_env()
+            client.ping()
+        except:
+            if isPost:
+                data_ret = {'status': 0, 'error_message': 'Docker daemon not running or not responsive'}
+                json_data = json.dumps(data_ret)
+                return HttpResponse(json_data)
+            else:
+                return render(request, 'dockerManager/install.html', {'status':admin.type, 'conErr':1})
+        
+        return function(request, *args, **kwargs)
+    return wrap