Implemented winery service. gets topology template nodes and node parents

.gitignore

@@ -25,3 +25,6 @@
 /drip_parser.tar.gz
 /docs/playbooks/set_dockerhub_credentials.yml
 /drip_planner2/src/planner/__pycache__/
+/winery_service/nbproject/private/
+/winery_service/src/winery/__pycache__/
+/tosca_service/nbproject/private/
\ No newline at end of file

drip_planner2/.pydevproject

 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?eclipse-pydev version="1.0"?><pydev_project>
-<pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
-<path>/${PROJECT_DIR_NAME}</path>
-</pydev_pathproperty>
-<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 2.7</pydev_property>
-<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
+        
+    
+    <pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
+                
+        
+        <path>/${PROJECT_DIR_NAME}</path>
+                
+    
+    </pydev_pathproperty>
+        
+    
+    <pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python interpreter</pydev_property>
+        
+    
+    <pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">python3.6</pydev_property>
+        
+
 </pydev_project>

tosca_service/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>drip_planner2</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.python.pydev.PyDevBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.python.pydev.pythonNature</nature>
+	</natures>
+</projectDescription>

tosca_service/.pydevproject

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?eclipse-pydev version="1.0"?><pydev_project>
+        
+    
+    <pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
+                
+        
+        <path>/${PROJECT_DIR_NAME}</path>
+                
+    
+    </pydev_pathproperty>
+        
+    
+    <pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python interpreter</pydev_property>
+        
+    
+    <pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">python3.6</pydev_property>
+        
+
+</pydev_project>

tosca_service/nbproject/project.properties

+java.lib.path=
+main.file=__main__.py
+platform.active=Python_3.6.6
+python.lib.path=
+src.dir=src

tosca_service/nbproject/project.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://www.netbeans.org/ns/project/1">
+    <type>org.netbeans.modules.python.project</type>
+    <configuration>
+        <data xmlns="http://nbpython.dev.java.net/ns/php-project/1">
+            <name>tosca_service</name>
+            <sources>
+                <root id="src.dir"/>
+            </sources>
+            <tests/>
+        </data>
+    </configuration>
+</project>

tosca_service/src/__main__.py

+# To change this license header, choose License Headers in Project Properties.
+# To change this template file, choose Tools | Templates
+# and open the template in the editor.
+
+import json
+import logging
+import os
+import os.path
+from os.path import expanduser
+import pika
+from winery.service import *
+import sys
+import tempfile
+import time
+
+if __name__ == "__main__":
+    tosca_reposetory_api_base_url = "http://localhost:8080/winery"
+    namespace = "http%253A%252F%252Fsne.uva.nl%252Fservicetemplates"
+    servicetemplate_id = "wordpress_w1-wip1"
+    repo = Service(tosca_reposetory_api_base_url)
+    servicetemplates = repo.get_servicetemplates(namespace,servicetemplate_id)
+    
+    tt=  repo.get_topology_template(servicetemplates)
+    node_templates =  repo.get_node_templates(tt)
+    
+    parents = repo.get_parents(node_templates[1])
+    print(parents)
+        
+    
+    
+    
+        

tosca_service/src/setup.py

+from setuptools import setup, find_packages
+
+setup (
+       name='drip_planner2',
+       version='0.1',
+       packages=find_packages(),
+
+       # Declare your packages' dependencies here, for eg:
+       install_requires=['foo>=3'],
+
+       # Fill in these to make your Egg ready for upload to
+       # PyPI
+       author='S. Koulouzis',
+       author_email='',
+
+       #summary = 'Just another Python package for the cheese shop',
+       url='',
+       license='',
+       long_description='Long description of the package',
+
+       # could also include long_description, download_url, classifiers, etc.
+
+  
+       )
\ No newline at end of file

tosca_service/src/winery/service.py

+import json
+import operator
+import pdb
+import re
+from toscaparser.tosca_template import ToscaTemplate
+import toscaparser.utils.yamlparser
+import urllib
+import urllib.parse
+
+class Service:
+    service_template_names = ['serviceTemplateOrNodeTypeOrNodeTypeImplementation']
+    topology_template_names = ['topologyTemplate']
+    node_template_names = ['nodeTemplates']
+    requirement_names = ['requirements']
+    type_names = ['type']
+    relationships_names = ['relationshipTemplates']
+    service_templates = None
+    topology_templates = []
+    node_templates = []
+    requirements = {}
+    
+    def __init__(self, tosca_reposetory_api_base_url):
+        self.tosca_reposetory_api_base_url = tosca_reposetory_api_base_url
+
+    def get_servicetemplates(self,namespace, servicetemplate_id):
+        servicetemplate_url = self.tosca_reposetory_api_base_url + "/servicetemplates/" + namespace + "/" + servicetemplate_id + "/"
+        header = {'accept': 'application/json'}
+        req = urllib.request.Request(url=servicetemplate_url, headers=header, method='GET')
+        res = urllib.request.urlopen(req, timeout=5)   
+        res_body = res.read()
+        self.dict_tpl = json.loads(res_body.decode("utf-8"))
+        return self.dict_tpl
+    
+    
+    def get_topology_template(self, dict_tpl): 
+        if (not self.topology_templates):
+            self.topology_templates = self.find(dict_tpl['serviceTemplateOrNodeTypeOrNodeTypeImplementation'][0], self.topology_template_names)
+        return self.topology_templates
+    
+    def get_node_templates(self, topology_templates):
+        if (not self.node_templates):
+            nodes = self.find(topology_templates,self.node_template_names)
+            self.node_templates = nodes
+        return self.node_templates
+    
+    def get_parents(self,template):
+        node_type = template['type']
+        node = self.get_object(node_type)['serviceTemplateOrNodeTypeOrNodeTypeImplementation'][0]
+        return self.get_type_parents(node,None)
+        
+    def get_type_parents(self,type,parents):
+        if 'derivedFrom' in type:
+            type_str = type['derivedFrom']['typeRef']
+            parent = self.get_object(type_str)['serviceTemplateOrNodeTypeOrNodeTypeImplementation'][0]
+            if(parents == None):
+                parents = []
+            parents.append(parent)
+            self.get_type_parents(parent,parents)
+        
+        return parents
+        
+        
+        
+    def get_object(self,type_str):
+        regex = r"\{(.*?)\}"
+        matches = re.finditer(regex, type_str, re.MULTILINE | re.DOTALL)
+        namespace = next(matches).group(1)
+        id = type_str.replace("{" + namespace + "}", "")
+        header = {'accept': 'application/json'}
+        #winery needs it double percent-encoded 
+        encoded_namespace  = urllib.parse.quote(namespace, safe='')
+        encoded_namespace = urllib.parse.quote(encoded_namespace, safe='')
+        type_name = namespace.rsplit('/', 1)[-1]
+        servicetemplate_url = self.tosca_reposetory_api_base_url + "/" + type_name + "/" + encoded_namespace + "/" + id + "/"
+        req = urllib.request.Request(url=servicetemplate_url, headers=header, method='GET')
+        res = urllib.request.urlopen(req, timeout=5)   
+        res_body = res.read()
+        return json.loads(res_body.decode("utf-8"))        
+        
+    def find(self, dict_obj, names):
+        if dict_obj:
+            for name in names:
+                if(name in dict_obj):
+                    return dict_obj[name]        
+
+        
+
+  
\ No newline at end of file