First Kubernetes implementation

assets/scripts/k8s.py

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+from kubernetes import client, config
+from kubernetes.client.rest import ApiException
+import json
+
+# https://github.com/kubernetes-client/python/tree/master/kubernetes/docs
+
+def main():
+    config.load_incluster_config()
+
+    api_instance = client.CoreV1Api()
+    v1 = client.NetworkingV1Api()
+    
+    ret = v1.list_ingress_for_all_namespaces(watch=False)
+
+    discover = {}
+    for i in ret.items:
+        if i.metadata.annotations['kubernetes.io/ingress.class'] != "easyhaproxy-ingress":
+            continue
+
+        data = {}
+        #ingress_name = i.metadata.name
+        data["creation_timestamp"] = i.metadata.creation_timestamp.strftime("%x %X")
+        data["resource_version"] = i.metadata.resource_version
+        data["namespace"] = i.metadata.namespace
+        for rule in i.spec.rules:
+            rule_data = {}
+            port_number = rule.http.paths[0].backend.service.port.number
+            definition = rule.host.replace(".", "-")
+            rule_data["easyhaproxy.%s_%s.host" % (definition, port_number)] = rule.host
+            rule_data["easyhaproxy.%s_%s.port" % (definition, port_number)] = "80"
+            rule_data["easyhaproxy.%s_%s.localport" % (definition, port_number)] = port_number
+            service_name = rule.http.paths[0].backend.service.name
+            try:
+                api_response = api_instance.read_namespaced_service(service_name, i.metadata.namespace)
+                cluster_ip = api_response.spec.cluster_ip
+            except ApiException as e:
+                cluster_ip = None
+                # print("Exception when calling CoreV1Api->read_namespaced_service: %s\n" % e)
+            
+            if cluster_ip is not None:
+                if cluster_ip not in discover.keys():
+                    discover[cluster_ip] = data
+                discover[cluster_ip].update(rule_data)
+
+    for k in discover.keys():
+        print("%s=%s" % (k, json.dumps(discover[k])))
+
+if __name__ == '__main__':
+    main()
+