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path: root/tests/dcaegen2/prh-testcases/resources/PrhLibrary.py
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import json

import docker
import time


class PrhLibrary(object):

    def __init__(self):
        pass

    @staticmethod
    def check_for_log(search_for):
        client = docker.from_env()
        container = client.containers.get('prh')
        for line in container.logs(stream=True):
            if search_for in line.strip():
                return True
        else:
            return False

    @staticmethod
    def create_pnf_ready_notification(json_file):
        json_to_python = json.loads(json_file)
        ipv4 = json_to_python.get("event").get("pnfRegistrationFields").get("oamV4IpAddress")
        ipv6 = json_to_python.get("event").get("pnfRegistrationFields").get("oamV6IpAddress") if "oamV6IpAddress" in json_to_python["event"]["pnfRegistrationFields"] else ""
        serial_number = json_to_python.get("event").get("pnfRegistrationFields").get("serial-number") if "serial-number" in json_to_python["event"]["pnfRegistrationFields"] else ""
        equip_vendor = json_to_python.get("event").get("pnfRegistrationFields").get("equip-vendor") if "equip-vendor" in json_to_python["event"]["pnfRegistrationFields"] else ""
        equip_model = json_to_python.get("event").get("pnfRegistrationFields").get("equip-model") if "equip-model" in json_to_python["event"]["pnfRegistrationFields"] else ""
        equip_type = json_to_python.get("event").get("pnfRegistrationFields").get("equip-type") if "equip-type" in json_to_python["event"]["pnfRegistrationFields"] else ""
        nf_role = json_to_python.get("event").get("pnfRegistrationFields").get("nf-role") if "nf-role" in json_to_python["event"]["pnfRegistrationFields"] else ""
        sw_version = json_to_python.get("event").get("pnfRegistrationFields").get("sw-version") if "sw-version" in json_to_python["event"]["pnfRegistrationFields"] else ""
        correlation_id = json_to_python.get("event").get("commonEventHeader").get("sourceName")
        str_json = '{"correlationId":"' + correlation_id + '","ipaddress-v4-oam":"' + ipv4 + '","ipaddress-v6-oam":"' + ipv6 + '","serial-number":"' + serial_number + '","equip-vendor":"' + equip_vendor + '","equip-model":"' + equip_model + '","equip-type":"' + equip_type + '","nf-role":"' + nf_role + '","sw-version":"' + sw_version + '"}'
        python_to_json = json.dumps(str_json)
        return python_to_json.replace("\\", "")[1:-1]

    @staticmethod
    def create_pnf_name(json_file):
        json_to_python = json.loads(json_file)
        correlation_id = json_to_python.get("sourceName")
        return correlation_id

    @staticmethod
    def ensure_container_is_running(name):
        client = docker.from_env()

        if not PrhLibrary.is_in_status(client, name, "running"):
            print ("starting container", name)
            container = client.containers.get(name)
            container.start()
            PrhLibrary.wait_for_status(client, name, "running")

        PrhLibrary.print_status(client)

    @staticmethod
    def ensure_container_is_exited(name):
        client = docker.from_env()

        if not PrhLibrary.is_in_status(client, name, "exited"):
            print ("stopping container", name)
            container = client.containers.get(name)
            container.stop()
            PrhLibrary.wait_for_status(client, name, "exited")

        PrhLibrary.print_status(client)

    @staticmethod
    def print_status(client):
        print("containers status")
        for c in client.containers.list(all=True):
            print(c.name, "   ", c.status)

    @staticmethod
    def wait_for_status(client, name, status):
        while not PrhLibrary.is_in_status(client, name, status):
            print ("waiting for container: ", name, "to be in status: ", status)
            time.sleep(3)

    @staticmethod
    def is_in_status(client, name, status):
        return len(client.containers.list(all=True, filters={"name": "^/"+name+"$", "status": status})) == 1


    def create_invalid_notification(self, json_file):
        return self.create_pnf_ready_notification(json_file).replace("\":", "\": ")\
            .replace("ipaddress-v4-oam", "oamV4IpAddress").replace("ipaddress-v6-oam", "oamV6IpAddress")\
            .replace("}", "\\n}")