mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 05:03:20 +00:00
476 lines
18 KiB
Python
476 lines
18 KiB
Python
import os
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import uuid
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import time
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import xml.etree.ElementTree as xmltree
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import packaging.version as pkg_version
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from collections import namedtuple
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import testflows.settings as settings
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from testflows.core import *
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from testflows.asserts import error
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from testflows.core.name import basename, parentname
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from testflows._core.testtype import TestSubType
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def check_clickhouse_version(version):
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"""Compare ClickHouse version.
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"""
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def check(test):
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if getattr(test.context, "clickhouse_version", None) is None:
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return False
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clickhouse_version = pkg_version.parse(str(test.context.clickhouse_version))
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if version.startswith("=="):
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return clickhouse_version == pkg_version.parse(str(version.split("==",1)[-1]))
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elif version.startswith(">="):
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return clickhouse_version >= pkg_version.parse(str(version.split(">=",1)[-1]))
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elif version.startswith("<="):
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return clickhouse_version <= pkg_version.parse(str(version.split("<=",1)[-1]))
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elif version.startswith("="):
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return clickhouse_version == pkg_version.parse(str(version.split("=",1)[-1]))
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elif version.startswith(">"):
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return clickhouse_version > pkg_version.parse(str(version.split(">",1)[-1]))
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elif version.startswith("<"):
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return clickhouse_version < pkg_version.parse(str(version.split("<",1)[-1]))
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else:
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return clickhouse_version == pkg_version.parse(str(version))
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return check
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def getuid(with_test_name=False):
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if not with_test_name:
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return str(uuid.uuid1()).replace('-', '_')
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if current().subtype == TestSubType.Example:
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testname = f"{basename(parentname(current().name)).replace(' ', '_').replace(',', '')}"
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else:
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testname = f"{basename(current().name).replace(' ', '_').replace(',', '')}"
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return testname + "_" + str(uuid.uuid1()).replace('-', '_')
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@TestStep(Given)
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def instrument_clickhouse_server_log(self, node=None, test=None,
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clickhouse_server_log="/var/log/clickhouse-server/clickhouse-server.log", always_dump=False):
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"""Instrument clickhouse-server.log for the current test (default)
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by adding start and end messages that include test name to log
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of the specified node. If we are in the debug mode and the test
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fails then dump the messages from the log for this test.
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:param always_dump: always dump clickhouse log after test, default: `False`
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"""
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if test is None:
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test = current()
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if node is None:
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node = self.context.node
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with By("getting current log size"):
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cmd = node.command(f"stat --format=%s {clickhouse_server_log}")
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if cmd.output == f"stat: cannot stat '{clickhouse_server_log}': No such file or directory":
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start_logsize = 0
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else:
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start_logsize = cmd.output.split(" ")[0].strip()
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try:
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with And("adding test name start message to the clickhouse-server.log"):
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node.command(f"echo -e \"\\n-- start: {test.name} --\\n\" >> {clickhouse_server_log}")
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yield
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finally:
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if test.terminating is True:
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return
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with Finally("adding test name end message to the clickhouse-server.log", flags=TE):
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node.command(f"echo -e \"\\n-- end: {test.name} --\\n\" >> {clickhouse_server_log}")
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with And("getting current log size at the end of the test"):
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cmd = node.command(f"stat --format=%s {clickhouse_server_log}")
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end_logsize = cmd.output.split(" ")[0].strip()
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dump_log = always_dump or (settings.debug and not self.parent.result)
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if dump_log:
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with Then("dumping clickhouse-server.log for this test"):
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node.command(f"tail -c +{start_logsize} {clickhouse_server_log}"
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f" | head -c {int(end_logsize) - int(start_logsize)}")
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xml_with_utf8 = '<?xml version="1.0" encoding="utf-8"?>\n'
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def xml_indent(elem, level=0, by=" "):
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i = "\n" + level * by
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if len(elem):
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if not elem.text or not elem.text.strip():
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elem.text = i + by
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if not elem.tail or not elem.tail.strip():
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elem.tail = i
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for elem in elem:
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xml_indent(elem, level + 1)
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if not elem.tail or not elem.tail.strip():
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elem.tail = i
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else:
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if level and (not elem.tail or not elem.tail.strip()):
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elem.tail = i
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def xml_append(root, tag, text):
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element = xmltree.Element(tag)
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element.text = text
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root.append(element)
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return element
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class Config:
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def __init__(self, content, path, name, uid, preprocessed_name):
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self.content = content
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self.path = path
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self.name = name
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self.uid = uid
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self.preprocessed_name = preprocessed_name
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class KeyWithAttributes:
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def __init__(self, name, attributes):
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"""XML key with attributes.
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:param name: key name
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:param attributes: dictionary of attributes {name: value, ...}
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"""
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self.name = name
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self.attributes = dict(attributes)
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def create_xml_config_content(entries, config_file, config_d_dir="/etc/clickhouse-server/config.d"):
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"""Create XML configuration file from a dictionary.
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:param entries: dictionary that defines xml
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:param config_file: name of the config file
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:param config_d_dir: config.d directory path, default: `/etc/clickhouse-server/config.d`
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"""
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uid = getuid()
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path = os.path.join(config_d_dir, config_file)
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name = config_file
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root = xmltree.Element("clickhouse")
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root.append(xmltree.Comment(text=f"config uid: {uid}"))
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def create_xml_tree(entries, root):
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for k, v in entries.items():
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if isinstance(k, KeyWithAttributes):
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xml_element = xmltree.Element(k.name)
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for attr_name, attr_value in k.attributes.items():
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xml_element.set(attr_name, attr_value)
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if type(v) is dict:
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create_xml_tree(v, xml_element)
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elif type(v) in (list, tuple):
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for e in v:
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create_xml_tree(e, xml_element)
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else:
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xml_element.text = v
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root.append(xml_element)
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elif type(v) is dict:
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xml_element = xmltree.Element(k)
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create_xml_tree(v, xml_element)
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root.append(xml_element)
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elif type(v) in (list, tuple):
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xml_element = xmltree.Element(k)
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for e in v:
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create_xml_tree(e, xml_element)
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root.append(xml_element)
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else:
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xml_append(root, k, v)
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create_xml_tree(entries, root)
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xml_indent(root)
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content = xml_with_utf8 + str(
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xmltree.tostring(root, short_empty_elements=False, encoding="utf-8"),
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"utf-8")
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return Config(content, path, name, uid, "config.xml")
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def add_invalid_config(config, message, recover_config=None, tail=30, timeout=300, restart=True, user=None):
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"""Check that ClickHouse errors when trying to load invalid configuration file.
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"""
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cluster = current().context.cluster
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node = current().context.node
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try:
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with Given("I prepare the error log by writing empty lines into it"):
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node.command("echo -e \"%s\" > /var/log/clickhouse-server/clickhouse-server.err.log" % ("-\\n" * tail))
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with When("I add the config", description=config.path):
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command = f"cat <<HEREDOC > {config.path}\n{config.content}\nHEREDOC"
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node.command(command, steps=False, exitcode=0)
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with Then(f"{config.preprocessed_name} should be updated", description=f"timeout {timeout}"):
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started = time.time()
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command = f"cat /var/lib/clickhouse/preprocessed_configs/{config.preprocessed_name} | grep {config.uid}{' > /dev/null' if not settings.debug else ''}"
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while time.time() - started < timeout:
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exitcode = node.command(command, steps=False).exitcode
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if exitcode == 0:
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break
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time.sleep(1)
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assert exitcode == 0, error()
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if restart:
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with When("I restart ClickHouse to apply the config changes"):
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node.restart_clickhouse(safe=False, wait_healthy=False, user=user)
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finally:
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if recover_config is None:
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with Finally(f"I remove {config.name}"):
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with By("removing invalid configuration file"):
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system_config_path = os.path.join(cluster.environ["CLICKHOUSE_TESTS_DIR"], "configs", node.name,
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"config.d", config.path.split("config.d/")[-1])
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cluster.command(None, f'rm -rf {system_config_path}', timeout=timeout, exitcode=0)
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if restart:
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with And("restarting ClickHouse"):
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node.restart_clickhouse(safe=False, user=user)
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node.restart_clickhouse(safe=False, user=user)
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else:
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with Finally(f"I change {config.name}"):
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with By("changing invalid configuration file"):
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system_config_path = os.path.join(cluster.environ["CLICKHOUSE_TESTS_DIR"], "configs", node.name,
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"config.d", config.path.split("config.d/")[-1])
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cluster.command(None, f'rm -rf {system_config_path}', timeout=timeout, exitcode=0)
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command = f"cat <<HEREDOC > {system_config_path}\n{recover_config.content}\nHEREDOC"
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cluster.command(None, command, timeout=timeout, exitcode=0)
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if restart:
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with And("restarting ClickHouse"):
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node.restart_clickhouse(safe=False, user=user)
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with Then("error log should contain the expected error message"):
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started = time.time()
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command = f"tail -n {tail} /var/log/clickhouse-server/clickhouse-server.err.log | grep \"{message}\""
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while time.time() - started < timeout:
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exitcode = node.command(command, steps=False).exitcode
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if exitcode == 0:
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break
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time.sleep(1)
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assert exitcode == 0, error()
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def add_config(config, timeout=300, restart=False, modify=False, node=None, user=None, wait_healthy=True,
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check_preprocessed = True):
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"""Add dynamic configuration file to ClickHouse.
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:param config: configuration file description
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:param timeout: timeout, default: 300 sec
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:param restart: restart server, default: False
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:param modify: only modify configuration file, default: False
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"""
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if node is None:
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node = current().context.node
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cluster = current().context.cluster
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def check_preprocessed_config_is_updated(after_removal=False):
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"""Check that preprocessed config is updated.
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"""
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started = time.time()
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command = f"cat /var/lib/clickhouse/preprocessed_configs/{config.preprocessed_name} | grep {config.uid}{' > /dev/null' if not settings.debug else ''}"
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while time.time() - started < timeout:
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exitcode = node.command(command, steps=False).exitcode
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if after_removal:
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if exitcode == 1:
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break
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else:
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if exitcode == 0:
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break
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time.sleep(1)
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if settings.debug:
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node.command(f"cat /var/lib/clickhouse/preprocessed_configs/{config.preprocessed_name}")
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if after_removal:
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assert exitcode == 1, error()
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else:
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assert exitcode == 0, error()
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def wait_for_config_to_be_loaded(user=None):
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"""Wait for config to be loaded.
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"""
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if restart:
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with When("I close terminal to the node to be restarted"):
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bash.close()
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with And("I stop ClickHouse to apply the config changes"):
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node.stop_clickhouse(safe=False)
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with And("I get the current log size"):
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cmd = node.cluster.command(None,
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f"stat --format=%s {cluster.environ['CLICKHOUSE_TESTS_DIR']}/_instances/{node.name}/logs/clickhouse-server.log")
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logsize = cmd.output.split(" ")[0].strip()
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with And("I start ClickHouse back up"):
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node.start_clickhouse(user=user, wait_healthy=wait_healthy)
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with Then("I tail the log file from using previous log size as the offset"):
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bash.prompt = bash.__class__.prompt
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bash.open()
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bash.send(f"tail -c +{logsize} -f /var/log/clickhouse-server/clickhouse-server.log")
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with Then("I wait for config reload message in the log file"):
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if restart:
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bash.expect(
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f"ConfigReloader: Loaded config '/etc/clickhouse-server/config.xml', performed update on configuration",
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timeout=timeout)
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else:
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bash.expect(
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f"ConfigReloader: Loaded config '/etc/clickhouse-server/{config.preprocessed_name}', performed update on configuration",
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timeout=timeout)
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try:
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with Given(f"{config.name}"):
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if settings.debug:
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with When("I output the content of the config"):
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debug(config.content)
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with node.cluster.shell(node.name) as bash:
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bash.expect(bash.prompt)
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bash.send("tail -v -n 0 -f /var/log/clickhouse-server/clickhouse-server.log")
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# make sure tail process is launched and started to follow the file
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bash.expect("<==")
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bash.expect("\n")
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with When("I add the config", description=config.path):
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command = f"cat <<HEREDOC > {config.path}\n{config.content}\nHEREDOC"
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node.command(command, steps=False, exitcode=0)
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if check_preprocessed:
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with Then(f"{config.preprocessed_name} should be updated", description=f"timeout {timeout}"):
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check_preprocessed_config_is_updated()
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with And("I wait for config to be reloaded"):
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wait_for_config_to_be_loaded(user=user)
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yield
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finally:
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if not modify:
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with Finally(f"I remove {config.name} on {node.name}"):
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with node.cluster.shell(node.name) as bash:
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bash.expect(bash.prompt)
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bash.send("tail -v -n 0 -f /var/log/clickhouse-server/clickhouse-server.log")
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# make sure tail process is launched and started to follow the file
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bash.expect("<==")
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bash.expect("\n")
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with By("removing the config file", description=config.path):
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node.command(f"rm -rf {config.path}", exitcode=0)
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with Then(f"{config.preprocessed_name} should be updated", description=f"timeout {timeout}"):
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check_preprocessed_config_is_updated(after_removal=True)
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with And("I wait for config to be reloaded"):
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wait_for_config_to_be_loaded()
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@TestStep(When)
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def copy(self, dest_node, src_path, dest_path, bash=None, binary=False, eof="EOF", src_node=None):
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"""Copy file from source to destination node.
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"""
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if binary:
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raise NotImplementedError("not yet implemented; need to use base64 encoding")
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bash = self.context.cluster.bash(node=src_node)
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cmd = bash(f"cat {src_path}")
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assert cmd.exitcode == 0, error()
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contents = cmd.output
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dest_node.command(f"cat << {eof} > {dest_path}\n{contents}\n{eof}")
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@TestStep(Given)
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def add_user_to_group_on_node(self, node=None, group="clickhouse", username="clickhouse"):
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"""Add user {username} into group {group}.
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"""
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if node is None:
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node = self.context.node
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node.command(f"usermode -g {group} {username}", exitcode=0)
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@TestStep(Given)
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def change_user_on_node(self, node=None, username="clickhouse"):
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"""Change user on node.
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"""
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if node is None:
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node = self.context.node
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try:
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node.command(f"su {username}", exitcode=0)
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yield
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finally:
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node.command("exit", exitcode=0)
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@TestStep(Given)
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def add_user_on_node(self, node=None, groupname=None, username="clickhouse"):
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"""Create user on node with group specifying.
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"""
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if node is None:
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node = self.context.node
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try:
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if groupname is None:
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node.command(f"useradd -s /bin/bash {username}", exitcode=0)
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else:
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node.command(f"useradd -g {groupname} -s /bin/bash {username}", exitcode=0)
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yield
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finally:
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node.command(f"deluser {username}", exitcode=0)
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@TestStep(Given)
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def add_group_on_node(self, node=None, groupname="clickhouse"):
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"""Create group on node
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"""
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if node is None:
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node = self.context.node
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try:
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node.command(f"groupadd {groupname}", exitcode=0)
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yield
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finally:
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node.command(f"delgroup clickhouse")
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@TestStep(Given)
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def create_file_on_node(self, path, content, node=None):
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"""Create file on node.
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:param path: file path
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:param content: file content
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"""
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if node is None:
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node = self.context.node
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try:
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with By(f"creating file {path}"):
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node.command(f"cat <<HEREDOC > {path}\n{content}\nHEREDOC", exitcode=0)
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yield path
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finally:
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with Finally(f"I remove {path}"):
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node.command(f"rm -rf {path}", exitcode=0)
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@TestStep(Given)
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def set_envs_on_node(self, envs, node=None):
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"""Set environment variables on node.
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:param envs: dictionary of env variables key=value
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"""
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if node is None:
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node = self.context.node
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try:
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with By("setting envs"):
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for key, value in envs.items():
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node.command(f"export {key}={value}", exitcode=0)
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yield
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finally:
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with Finally(f"I unset envs"):
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for key in envs:
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node.command(f"unset {key}", exitcode=0)
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