find missing requirements

TOSCA/application_example.yaml

@@ -16,6 +16,7 @@ topology_template:
             node: mysql
             relationship:
                 type: tosca.relationships.ConnectsTo
+                #type: tosca.relationships.DependsOn
       artifacts:
         my_image:
           file: wordpress:latest

TOSCA/types/nodes.yaml

@@ -3,7 +3,7 @@ tosca_definitions_version: tosca_simple_yaml_1_0
 node_types:
 
   tosca.nodes.SWITCH.Container.Application.Docker:
-    derived_from: tosca.nodes.Container.Application.Docker
+    #derived_from: tosca.nodes.Container.Application.Docker
     description: description of container
     capabilities:
       service:
@@ -30,10 +30,6 @@ node_types:
         type: list
         required: false
     requirements:
-      - service:
-          capability: tosca.capabilities.Container.Docker
-          node: tosca.nodes.SWITCH.Container.Application.Docker
-          relationship: tosca.relationships.ConnectsTo
       - host:
           capability: tosca.capabilities.Compute
           node: tosca.nodes.Compute

drip_planner2/src/planner/basic_planner.py

@@ -4,6 +4,8 @@ import pdb
 import re
 from toscaparser.tosca_template import ToscaTemplate
 from toscaparser.topology_template import TopologyTemplate
+from toscaparser.elements.nodetype import NodeType
+from toscaparser.nodetemplate import NodeTemplate
 import toscaparser.utils.yamlparser
 import urllib
 import urllib.parse
@@ -17,147 +19,35 @@ class BasicPlanner:
     
     def __init__(self, path):
         self.template = ToscaTemplate(path)
-        print("Description:"+self.template.description)
-        for node in self.template.nodetemplates:
-            print("Node: "+node.name+" Type:"+node.type+" Req: "+str(node.requirements))
-#            print(node.get_properties().keys())
-#            print(node.get_capabilities().keys)
-        
-            
-            
-        
-    def target_meets_requirement(self, target_relationship_element, requirement):
-        node = self.get_node(target_relationship_element)
-        supertypes = self.get_super_types(node['type'], None)
-        for node_type in supertypes:
-            if 'capabilityDefinitions' in node_type:
-                for cap in node_type['capabilityDefinitions']['capabilityDefinition']:
-                    if cap['capabilityType'] == requirement:
-                        return True
         
-        return False
+        for node in self.template.nodetemplates:
+            missing_requirements = self.get_missing_requirements(node)
             
-    def get_relationship_of_source_node(self, source_id, relationships):
-        for rel in relationships:
-            if(rel['sourceElement']['ref'] == source_id):
-                return rel
+            for req in missing_requirements:
+                node.requirements.append(req)
+            print('----------------------')
             
+#            print(node.get_properties().keys())
+#            print(node.get_capabilities().keys)
         
-    def get_node(self, node_type_id):
-        for node in self.node_templates:
-            if node['id'] == node_type_id:
-                return node
             
-    def get_all_requirements(self, node_templates):
-        requirements = {}
-        for node_template_name in node_templates:
-            node_template = node_templates[node_template_name]
-            node_type = node_template['type']
-            if 'requirements' in node_template:
-                requirements[node_template_name] = node_template['requirements']
-            self.get_super_types_requirements(node_type, None)
-#            id = node_template['id']
-#            req = self.get_requirements(node_template)
-#            if(req):
-#                for r in req['requirement']:
-#                    all_requirements.append(r['type'])
-#            self.requirements[id] = all_requirements
             
         
-    def get_unmet_requirements(self, requirements,relationships):
-        unmet_requirements = {}
-        for node_name in requirements:
-            relationship = self.get_relationship_of_source_node(node_name, relationships)
-            if relationship:
-                for requirement in requirements[node_name]:
-                    if (not self.target_meets_requirement(relationship['targetElement']['ref'], requirement)):
-                        unmet_requirements[node_name] = requirement
+    def get_missing_requirements(self, node):
+        def_type = self.template._get_all_custom_defs()[node.type]
+        def_requirements = def_type['requirements']
+        missing_requirements = []
+        if not node.requirements:
+            missing_requirements = def_requirements
         else:
-                for requirement in requirements[node_name]:
-                    unmet_requirements[node_name] = requirement
-        return unmet_requirements
-    
-    
-    def get_condiate_nodes(self,unmet_requirements):
-        condiate_nodes = []
-        for node_name in unmet_requirements:
-            node_types = self.get_node_types_with_capability(unmet_requirements[node_name])
-            print(node_types)
-            
-            
-    def get_node_types_with_capability(self,requirement_qname):
-        regex = r"\{(.*?)\}"
-        matches = re.finditer(regex, requirement_qname, re.MULTILINE | re.DOTALL)
-        namespace = next(matches).group(1)
-        req_id = requirement_qname.replace("{" + namespace + "}", "")  
-        
-        if not self.all_node_types:
-            servicetemplate_url = self.tosca_reposetory_api_base_url + "/nodetypes/"
-            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.all_node_types = json.loads(res_body.decode("utf-8"))  
-        matching_nodes = {}
-        for node in self.all_node_types:
-            supertypes = self.get_super_types(node['qName'],None)
-            for node in supertypes:
-                if 'capabilityDefinitions' in node:
-                    for cap in node['capabilityDefinitions']['capabilityDefinition']:
-                        cap_qname = cap['capabilityType']
-                        cap_matches = re.finditer(regex, cap_qname, re.MULTILINE | re.DOTALL)
-                        namespace = next(cap_matches).group(1)
-                        cap_id = cap_qname.replace("{" + namespace + "}", "")
-                        if cap_id == req_id and node['name'] not in matching_nodes:
-                            matching_nodes[node['name']] = node
+            for def_requirement in def_requirements:
+                for key in def_requirement:
+                    for node_req in node.requirements:
+                        if key not in(node_req):
+                            missing_requirements.append(def_requirement)
                             break
-        return matching_nodes.values()
-        
-            
-    def get_all_relationships(self, dict_tpl):
-        all_relationships = []
-        service_templates = self.get_service_template(dict_tpl)
-        for service in service_templates:
-            topology_template = self.get_topology_template(service)
-            relationships = self.get_relationships(topology_template)
-            for rel in relationships:
-                all_relationships.append(rel)
-        return all_relationships
-                
-    def get_super_types(self, type, supertypes):  
-        print(type)
-        
-                
-    def get_super_types_requirements(self, node_type, requirements):
-        print(node_type)
-        
-        
-    def get_service_template(self, dict_tpl): 
-        if(not self.service_templates):
-            self.service_templates = self.find(dict_tpl, self.service_template_names)
-        return self.service_templates
-    
-    def get_topology_template(self, dict_tpl):  
-        if (not self.topology_templates):
-            self.topology_templates = self.find(dict_tpl, self.topology_template_names)
-        return self.topology_templates
-    
-    def get_node_templates(self, dict_tpl):
-        if (not self.node_templates):
-            self.node_templates = self.find(dict_tpl, self.node_template_names)  
-        return self.node_templates
-    
-    def get_requirements(self, dict_tpl):  
-        return self.find(dict_tpl, self.requirement_names)   
-    
-    def get_relationships(self, dict_tpl):  
-        return self.find(dict_tpl, self.relationships_names)
                                 
-    def get_requirement_type(self, dict_req):
-        return self.find(dict_req, self.type_names)
+        if node.parent_type:
+            missing_requirements = missing_requirements + node.parent_type.requirements
+        return missing_requirements
   
\ No newline at end of file
-    def find(self, dict_tpl, names):
-        if dict_tpl:
-            for name in names:
-                if(name in dict_tpl):
-                    return dict_tpl[name]
\ No newline at end of file