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Diffstat (limited to 'utils/test/fixture.py')
| -rw-r--r-- | utils/test/fixture.py | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/utils/test/fixture.py b/utils/test/fixture.py new file mode 100644 index 000000000..90bd9e1ef --- /dev/null +++ b/utils/test/fixture.py @@ -0,0 +1,221 @@ +# pylint: disable=missing-docstring +import os +import yaml + +import ooinstall.cli_installer as cli + +from test.oo_config_tests import OOInstallFixture +from click.testing import CliRunner + +# Substitute in a product name before use: +SAMPLE_CONFIG = """ +variant: %s +ansible_ssh_user: root +hosts: + - connect_to: 10.0.0.1 + ip: 10.0.0.1 + hostname: master-private.example.com + public_ip: 24.222.0.1 + public_hostname: master.example.com + master: true + node: true + - connect_to: 10.0.0.2 + ip: 10.0.0.2 + hostname: node1-private.example.com + public_ip: 24.222.0.2 + public_hostname: node1.example.com + node: true + - connect_to: 10.0.0.3 + ip: 10.0.0.3 + hostname: node2-private.example.com + public_ip: 24.222.0.3 + public_hostname: node2.example.com + node: true +""" + +def read_yaml(config_file_path): + cfg_f = open(config_file_path, 'r') + config = yaml.safe_load(cfg_f.read()) + cfg_f.close() + return config + + +class OOCliFixture(OOInstallFixture): + + def setUp(self): + OOInstallFixture.setUp(self) + self.runner = CliRunner() + + # Add any arguments you would like to test here, the defaults ensure + # we only do unattended invocations here, and using temporary files/dirs. + self.cli_args = ["-a", self.work_dir] + + def run_cli(self): + return self.runner.invoke(cli.cli, self.cli_args) + + def assert_result(self, result, exit_code): + if result.exit_code != exit_code: + print "Unexpected result from CLI execution" + print "Exit code: %s" % result.exit_code + print "Exception: %s" % result.exception + print result.exc_info + import traceback + traceback.print_exception(*result.exc_info) + print "Output:\n%s" % result.output + self.fail("Exception during CLI execution") + + def _verify_load_facts(self, load_facts_mock): + """ Check that we ran load facts with expected inputs. """ + load_facts_args = load_facts_mock.call_args[0] + self.assertEquals(os.path.join(self.work_dir, ".ansible/hosts"), + load_facts_args[0]) + self.assertEquals(os.path.join(self.work_dir, + "playbooks/byo/openshift_facts.yml"), + load_facts_args[1]) + env_vars = load_facts_args[2] + self.assertEquals(os.path.join(self.work_dir, + '.ansible/callback_facts.yaml'), + env_vars['OO_INSTALL_CALLBACK_FACTS_YAML']) + self.assertEqual('/tmp/ansible.log', env_vars['ANSIBLE_LOG_PATH']) + + def _verify_run_playbook(self, run_playbook_mock, exp_hosts_len, exp_hosts_to_run_on_len): + """ Check that we ran playbook with expected inputs. """ + hosts = run_playbook_mock.call_args[0][0] + hosts_to_run_on = run_playbook_mock.call_args[0][1] + self.assertEquals(exp_hosts_len, len(hosts)) + self.assertEquals(exp_hosts_to_run_on_len, len(hosts_to_run_on)) + + def _verify_config_hosts(self, written_config, host_count): + self.assertEquals(host_count, len(written_config['hosts'])) + for host in written_config['hosts']: + self.assertTrue('hostname' in host) + self.assertTrue('public_hostname' in host) + if 'preconfigured' not in host: + self.assertTrue(host['node']) + self.assertTrue('ip' in host) + self.assertTrue('public_ip' in host) + + #pylint: disable=too-many-arguments + def _verify_get_hosts_to_run_on(self, mock_facts, load_facts_mock, + run_playbook_mock, cli_input, + exp_hosts_len=None, exp_hosts_to_run_on_len=None, + force=None): + """ + Tests cli_installer.py:get_hosts_to_run_on. That method has quite a + few subtle branches in the logic. The goal with this method is simply + to handle all the messy stuff here and allow the main test cases to be + easily read. The basic idea is to modify mock_facts to return a + version indicating OpenShift is already installed on particular hosts. + """ + load_facts_mock.return_value = (mock_facts, 0) + run_playbook_mock.return_value = 0 + + if cli_input: + self.cli_args.append("install") + result = self.runner.invoke(cli.cli, + self.cli_args, + input=cli_input) + else: + config_file = self.write_config( + os.path.join(self.work_dir, + 'ooinstall.conf'), SAMPLE_CONFIG % 'openshift-enterprise') + + self.cli_args.extend(["-c", config_file, "install"]) + if force: + self.cli_args.append("--force") + result = self.runner.invoke(cli.cli, self.cli_args) + written_config = read_yaml(config_file) + self._verify_config_hosts(written_config, exp_hosts_len) + + self.assert_result(result, 0) + self._verify_load_facts(load_facts_mock) + self._verify_run_playbook(run_playbook_mock, exp_hosts_len, exp_hosts_to_run_on_len) + + # Make sure we ran on the expected masters and nodes: + hosts = run_playbook_mock.call_args[0][0] + hosts_to_run_on = run_playbook_mock.call_args[0][1] + self.assertEquals(exp_hosts_len, len(hosts)) + self.assertEquals(exp_hosts_to_run_on_len, len(hosts_to_run_on)) + + +#pylint: disable=too-many-arguments,too-many-branches +def build_input(ssh_user=None, hosts=None, variant_num=None, + add_nodes=None, confirm_facts=None, schedulable_masters_ok=None, + master_lb=None): + """ + Build an input string simulating a user entering values in an interactive + attended install. + + This is intended to give us one place to update when the CLI prompts change. + We should aim to keep this dependent on optional keyword arguments with + sensible defaults to keep things from getting too fragile. + """ + + inputs = [ + 'y', # let's proceed + ] + if ssh_user: + inputs.append(ssh_user) + + if variant_num: + inputs.append(str(variant_num)) # Choose variant + version + + num_masters = 0 + if hosts: + i = 0 + for (host, is_master) in hosts: + inputs.append(host) + if is_master: + inputs.append('y') + num_masters += 1 + else: + inputs.append('n') + #inputs.append('rpm') + # We should not be prompted to add more hosts if we're currently at + # 2 masters, this is an invalid HA configuration, so this question + # will not be asked, and the user must enter the next host: + if num_masters != 2: + if i < len(hosts) - 1: + if num_masters >= 1: + inputs.append('y') # Add more hosts + else: + inputs.append('n') # Done adding hosts + i += 1 + + # You can pass a single master_lb or a list if you intend for one to get rejected: + if master_lb: + if isinstance(master_lb[0], list) or isinstance(master_lb[0], tuple): + inputs.extend(master_lb[0]) + else: + inputs.append(master_lb[0]) + inputs.append('y' if master_lb[1] else 'n') + + # TODO: support option 2, fresh install + if add_nodes: + if schedulable_masters_ok: + inputs.append('y') + inputs.append('1') # Add more nodes + i = 0 + for (host, is_master) in add_nodes: + inputs.append(host) + #inputs.append('rpm') + if i < len(add_nodes) - 1: + inputs.append('y') # Add more hosts + else: + inputs.append('n') # Done adding hosts + i += 1 + + if add_nodes is None: + total_hosts = hosts + else: + total_hosts = hosts + add_nodes + if total_hosts is not None and num_masters == len(total_hosts): + inputs.append('y') + + inputs.extend([ + confirm_facts, + 'y', # lets do this + ]) + + return '\n'.join(inputs) + |