OrionBaseAction

Complexity

Total Complexity

43

Size/Duplication

Total Lines	245
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	0

14 Methods

Rating	Name	Duplication	Size	Complexity
A	create()	0	5	1
B	node_exists()	0	27	3
A	query()	0	5	1
A	connect()	0	11	2
A	__init__()	0	7	2
A	invoke()	0	5	1
A	send_user_error()	0	5	1
B	get_node_id()	0	29	5
B	get_snmp_cred_id()	0	26	3
B	get_ncm_transfer_results()	0	33	5
B	get_snmp_community()	0	13	5
B	get_engine_id()	0	24	3
B	status_code_to_text()	0	16	6
B	get_ncm_node_id()	0	25	5

# Licensed to the StackStorm, Inc ('StackStorm') under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import time

from st2actions.runners.pythonrunner import Action
from orionsdk import SwisClient


class OrionBaseAction(Action):
    def __init__(self, config):
        super(OrionBaseAction, self).__init__(config)

        self.client = None

        if "orion" not in self.config:
            raise ValueError("Orion host details not in the config.yaml")

    def connect(self, platform):
        """
        Connect to an Orion platform from the packs config.yaml.
        """
        try:
            self.client = SwisClient(
                self.config['orion'][platform]['host'],
                self.config['orion'][platform]['user'],
                self.config['orion'][platform]['password'])
        except KeyError:
            raise ValueError("Orion host details not in the config.yaml")

    def query(self, swql, **kargs):
        """
        Run SWQL against the Orion Platform.
        """
        return self.client.query(swql, **kargs)

    def invoke(self, entity, verb, *args):
        """
        Run an Invoke against the Orion Platform.
        """
        return self.client.invoke(entity, verb, *args)

    def create(self, entity, **kargs):
        """
        Run an Create against the Orion Platform.
        """
        return self.client.create(entity, **kargs)

    def node_exists(self, caption, ip_address):
        """
        Check if an Node exists (caption and or ip) on the Orion platform.

        Returns: True or False.
        """
        swql = """SELECT NodeID, IPAddress FROM Orion.Nodes
                  WHERE Caption=@caption"""
        kargs = {'caption': caption}
        caption_data = self.query(swql, **kargs)

        if len(caption_data['results']) >= 1:
            self.logger.debug(
                "One (or more) Nodes match '{}' Caption.".format(caption))
            return True

        swql = """SELECT NodeID, IPAddress FROM Orion.Nodes
                  WHERE IPAddress=@ip_address"""
        kargs = {'ip_address': ip_address}
        ip_data = self.query(swql, **kargs)

        if len(ip_data['results']) >= 1:
            self.logger.debug(
                "One (or more) Nodes match '{}' IP.".format(ip_address))
            return True
        else:
            return False

    def get_snmp_community(self, community, std_community):
        """
        Return the correct SNMP comminity to use.
        """
        if community is not None:
            return community
        elif std_community is not None:
            try:
                return self.config['defaults']['snmp'][std_community]
            except KeyError:
                raise ValueError("Invalid standard community")
        elif std_community is None:
            raise ValueError("Need one of community or std_community")

    def get_snmp_cred_id(self, community):
        """
        Look up an SNMP community in the config and then look up
        the Orion ID for the Credential.
        """

        # Check if community is a know standard, otherwise
        # use it as the community.
        try:
            name = self.get_snmp_community(None, community)
        except ValueError:
            name = community

        swql = """SELECT ID FROM Orion.Credential
        WHERE CredentialType=@CredentialType and Name=@name"""

        kargs = {'CredentialType':
                 'SolarWinds.Orion.Core.Models.Credentials.SnmpCredentialsV2',
                 'name': name}
        orion_data = self.query(swql, **kargs)

        if len(orion_data['results']) == 1:
            return orion_data['results'][0]['ID']
        else:
            raise ValueError(
                "Failed to lookup community in Orion.Credential!")

    def get_node_id(self, caption):
        """
        Gets an NodeID from the Orion platform.

        Raises: ValueError on muliple or no matching caption.

        Returns: the NodeID (int)
        """
        swql = "SELECT NodeID FROM Orion.Nodes WHERE Caption=@caption"
        kargs = {'caption': caption}
        data = self.query(swql, **kargs)

        if len(data['results']) == 1:
            try:
                return data['results'][0]['NodeID']
            except IndexError:
                raise ValueError("Invalid Node")
        elif len(data['results']) >= 2:
            self.logger.debug(
                "Muliple Nodes match '{}' Caption: {}".format(
                    caption, data))
            raise ValueError("Muliple Nodes match '{}' Caption".format(
                caption))
        elif len(data['results']) == 0:
            self.logger.debug(
                "No Nodes match '{}' Caption: {}".format(
                    caption, data))
            raise ValueError("No matching Caption for '{}'".format(
                caption))

    def get_engine_id(self, poller):
        """
        Takes a poller name (or primary) and returns the EngineID for
        the poller.

        Raises: ValueError on an invaild poller.

        Returns: The EngineID (int)
        """

        if poller == "primary":
            return 1
        else:
            swql = """SELECT EngineID, ServerName, IP, ServerType
            FROM Orion.Engines
            WHERE ServerName=@poller"""
            kargs = {'poller': poller}
            data = self.query(swql, **kargs)

            if len(data['results']) == 1:
                return data['results'][0]['EngineID']
            else:
                self.send_user_error("Invalid poller name")
                raise ValueError("Invalid poller name")

    def get_ncm_node_id(self, caption):
        """
        Queries the Network configuration Manager nodes table on the Orion
        platform for the NodeID of a given node name (aka NodeCaption).

        Raises: IndexError on Invalid number of nodes (e.g. 0 or 2+).

        Returns: A single node id.
        """

        swql = "SELECT NodeID FROM Cirrus.Nodes WHERE NodeCaption=@node"
        kargs = {'node': caption}
        data = self.query(swql, **kargs)

        if len(data['results']) == 1:
            try:
                return data['results'][0]['NodeID']
            except IndexError:
                raise IndexError("Invalid Node")
        elif len(data['results']) >= 2:
            raise IndexError("Muliple Nodes match '{}' NodeCaption".format(
                caption))
        elif len(data['results']) == 0:
            raise IndexError("No matching NodeCaption for '{}'".format(
                caption))

    def get_ncm_transfer_results(self, transfer_id, sleep_delay=10):
        """
        Gets the completed (waits until finished). NCM job transfer status
        from Orion.

        Retruns: The completed status.
        """
        ts = {}
        while True:
            swql = """SELECT TransferID, Action, Status, ErrorMessage,
            DeviceOutput FROM NCM.TransferResults
            WHERE TransferID=@transfer_id"""
            kargs = {'transfer_id': transfer_id}

            transfer_data = self.query(swql, **kargs)
            status = transfer_data['results'][0]['Status']

            if status == 1:
                time.sleep(sleep_delay)
            elif status == 2:
                ts['status'] = "Complete"
                break
            elif status == 3:
                ts['status'] = "Error"
                ts['ErrorMessage'] = transfer_data['results'][0][
                    'ErrorMessage']
                break
            else:
                ts['status'] = "Unknown"
                ts['ErrorMessage'] = "Invalid stauts: {}".format(status)
                break

        return ts

    def status_code_to_text(self, status):
        """
        Takes an Solarwinds Orion status code and translates it to
        human text and also a colour that can be used in Slack.
        """

        if status == 0:
            return ("Unknown", "grey")  # aka slack 'grey'
        elif status == 1:
            return ("Up", "good")  # slack 'good'
        elif status == 2:
            return ("Down", "#7CD197")  # slack 'danger'
        elif status == 3:
            return ("Warning", "warning")  # slack 'warning'
        elif status == 14:
            return ("Critical", "#7CD197")  # slack 'danger'

    def send_user_error(self, message):
        """
        Prints an user error message.
        """
        print(message)