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212 lines
7.8 KiB
Python
212 lines
7.8 KiB
Python
import logging
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import socket
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from lxml import etree
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from cmapi_server import node_manipulation
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from cmapi_server.constants import MCS_DATA_PATH
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from cmapi_server.test.unittest_global import (
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tmp_mcs_config_filename, BaseNodeManipTestCase
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)
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from mcs_node_control.models.node_config import NodeConfig
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logging.basicConfig(level='DEBUG')
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class NodeManipTester(BaseNodeManipTestCase):
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def test_add_remove_node(self):
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self.tmp_files = (
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'./test-output0.xml','./test-output1.xml','./test-output2.xml'
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)
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hostaddr = socket.gethostbyname(socket.gethostname())
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node_manipulation.add_node(
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self.NEW_NODE_NAME, tmp_mcs_config_filename, self.tmp_files[0]
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)
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node_manipulation.add_node(
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hostaddr, self.tmp_files[0], self.tmp_files[1]
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)
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# get a NodeConfig, read test.xml
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# look for some of the expected changes.
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# Total verification will take too long to code up right now.
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nc = NodeConfig()
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root = nc.get_current_config_root(self.tmp_files[1])
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pms_node_ipaddr = root.find('./PMS1/IPAddr')
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self.assertEqual(pms_node_ipaddr.text, self.NEW_NODE_NAME)
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pms_node_ipaddr = root.find('./PMS2/IPAddr')
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self.assertEqual(pms_node_ipaddr.text, hostaddr)
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node = root.find("./ExeMgr2/IPAddr")
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self.assertEqual(node.text, hostaddr)
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node_manipulation.remove_node(
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self.NEW_NODE_NAME, self.tmp_files[1], self.tmp_files[2],
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test_mode=True
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)
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nc = NodeConfig()
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root = nc.get_current_config_root(self.tmp_files[2])
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node = root.find('./PMS1/IPAddr')
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self.assertEqual(node.text, hostaddr)
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# TODO: Fix node_manipulation add_node logic and _replace_localhost
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# node = root.find('./PMS2/IPAddr')
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# self.assertEqual(node, None)
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def test_add_dbroots_nodes_rebalance(self):
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self.tmp_files = (
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'./extra-dbroots-0.xml', './extra-dbroots-1.xml',
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'./extra-dbroots-2.xml'
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)
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# add 2 dbroots, let's see what happen
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nc = NodeConfig()
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root = nc.get_current_config_root(tmp_mcs_config_filename)
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sysconf_node = root.find('./SystemConfig')
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dbroot_count_node = sysconf_node.find('./DBRootCount')
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dbroot_count = int(dbroot_count_node.text) + 2
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dbroot_count_node.text = str(dbroot_count)
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etree.SubElement(sysconf_node, 'DBRoot2').text = '/dummy_path/data2'
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etree.SubElement(sysconf_node, 'DBRoot10').text = '/dummy_path/data10'
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nc.write_config(root, self.tmp_files[0])
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node_manipulation.add_node(
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self.NEW_NODE_NAME, self.tmp_files[0], self.tmp_files[1]
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)
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# get a NodeConfig, read test.xml
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# look for some of the expected changes.
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# Total verification will take too long to code up right now.
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# Do eyeball verification for now.
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nc = NodeConfig()
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root = nc.get_current_config_root(self.tmp_files[1])
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node = root.find("./PMS2/IPAddr")
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self.assertEqual(node.text, self.NEW_NODE_NAME)
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hostname = socket.gethostname()
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# awesome, I saw dbroots 1 and 10 get assigned to node 1,
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# and dbroot 2 assigned to node 2
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# now, remove node 1 (hostname) and see what we get
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node_manipulation.remove_node(
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hostname, self.tmp_files[1], self.tmp_files[2],
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test_mode=True
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)
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def test_add_dbroot(self):
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self.tmp_files = (
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'./dbroot-test0.xml', './dbroot-test1.xml', './dbroot-test2.xml',
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'./dbroot-test3.xml', './dbroot-test4.xml'
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)
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# add a dbroot, verify it exists
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id = node_manipulation.add_dbroot(
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tmp_mcs_config_filename, self.tmp_files[0]
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)
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self.assertEqual(id, 2)
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nc = NodeConfig()
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root = nc.get_current_config_root(self.tmp_files[0])
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self.assertEqual(2, int(root.find('./SystemConfig/DBRootCount').text))
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self.assertEqual(
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f'{MCS_DATA_PATH}/data2',
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root.find('./SystemConfig/DBRoot2').text
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)
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# add a node, verify we can add a dbroot to each of them
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hostname = socket.gethostname()
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node_manipulation.add_node(
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hostname, tmp_mcs_config_filename, self.tmp_files[1]
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)
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node_manipulation.add_node(
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self.NEW_NODE_NAME, self.tmp_files[1], self.tmp_files[2]
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)
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id1 = node_manipulation.add_dbroot(
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self.tmp_files[2], self.tmp_files[3], host=self.NEW_NODE_NAME
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)
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id2 = node_manipulation.add_dbroot(
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self.tmp_files[3], self.tmp_files[4], host=hostname
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)
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self.assertEqual(id1, 2)
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self.assertEqual(id2, 3)
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root = nc.get_current_config_root(self.tmp_files[4])
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dbroot_count1 = int(
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root.find('./SystemModuleConfig/ModuleDBRootCount1-3').text
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)
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dbroot_count2 = int(
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root.find('./SystemModuleConfig/ModuleDBRootCount2-3').text
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)
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self.assertEqual(dbroot_count1 + dbroot_count2, 3)
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unique_dbroots = set()
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for i in range(1, dbroot_count1 + 1):
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unique_dbroots.add(int(
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root.find(f'./SystemModuleConfig/ModuleDBRootID1-{i}-3').text)
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)
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for i in range(1, dbroot_count2 + 1):
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unique_dbroots.add(int(
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root.find(f'./SystemModuleConfig/ModuleDBRootID2-{i}-3').text)
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)
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self.assertEqual(list(unique_dbroots), [1, 2, 3])
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def test_change_primary_node(self):
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# add a node, make it the primary, verify expected result
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self.tmp_files = ('./primary-node0.xml', './primary-node1.xml')
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node_manipulation.add_node(
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self.NEW_NODE_NAME, tmp_mcs_config_filename, self.tmp_files[0]
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)
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node_manipulation.move_primary_node(
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self.tmp_files[0], self.tmp_files[1]
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)
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root = NodeConfig().get_current_config_root(self.tmp_files[1])
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self.assertEqual(
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root.find('./ExeMgr1/IPAddr').text, self.NEW_NODE_NAME
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)
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self.assertEqual(
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root.find('./DMLProc/IPAddr').text, self.NEW_NODE_NAME
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)
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self.assertEqual(
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root.find('./DDLProc/IPAddr').text, self.NEW_NODE_NAME
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)
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# This version doesn't support IPv6
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dbrm_controller_ip = root.find("./DBRM_Controller/IPAddr").text
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self.assertEqual(dbrm_controller_ip, self.NEW_NODE_NAME)
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self.assertEqual(root.find('./PrimaryNode').text, self.NEW_NODE_NAME)
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def test_unassign_dbroot1(self):
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self.tmp_files = (
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'./tud-0.xml', './tud-1.xml', './tud-2.xml', './tud-3.xml',
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)
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node_manipulation.add_node(
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self.NEW_NODE_NAME, tmp_mcs_config_filename, self.tmp_files[0]
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)
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root = NodeConfig().get_current_config_root(self.tmp_files[0])
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(name, addr) = node_manipulation.find_dbroot1(root)
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self.assertEqual(name, self.NEW_NODE_NAME)
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# add a second node and more dbroots to make the test slightly more robust
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node_manipulation.add_node(
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socket.gethostname(), self.tmp_files[0], self.tmp_files[1]
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)
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node_manipulation.add_dbroot(
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self.tmp_files[1], self.tmp_files[2], socket.gethostname()
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)
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node_manipulation.add_dbroot(
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self.tmp_files[2], self.tmp_files[3], self.NEW_NODE_NAME
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)
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root = NodeConfig().get_current_config_root(self.tmp_files[3])
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(name, addr) = node_manipulation.find_dbroot1(root)
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self.assertEqual(name, self.NEW_NODE_NAME)
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node_manipulation.unassign_dbroot1(root)
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caught_it = False
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try:
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node_manipulation.find_dbroot1(root)
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except node_manipulation.NodeNotFoundException:
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caught_it = True
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self.assertTrue(caught_it)
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