MySQL Router Docker

Author: kaushikpuneet07

docker-image-tests/percona-mysql-router/README.md

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+Before running set environment variables, eg.:
+
+export DOCKER_ACC="percona"
+export PS_VERSION="8.0.32-24"
+export ROUTER_VERSION="8.0.32"
+export TESTING_BRANCH="master"
+This is based on: https://testinfra.readthedocs.io/en/latest/examples.html#test-docker-images

docker-image-tests/percona-mysql-router/cleanup.sh

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+#!/usr/bin/env bash
+rm -f report.xml
+rm -rf .pytest_cache
+rm -rf __pycache__
+rm -rf tests/__pycache__

docker-image-tests/percona-mysql-router/requirements.txt

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+atomicwrites==1.3.0
+attrs==19.3.0
+importlib-metadata==0.23
+more-itertools==7.2.0
+packaging==19.2
+pluggy==0.13.0
+py==1.10.0
+pyparsing==2.4.2
+pytest==5.2.1
+six==1.12.0
+testinfra==3.2.0
+wcwidth==0.1.7
+zipp==0.6.0
+requests==2.27.1
+docker==5.0.3

docker-image-tests/percona-mysql-router/run.sh

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+#!/usr/bin/env bash
+pytest -v --junit-xml report.xml $@

docker-image-tests/percona-mysql-router/settings.py

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+import os
+
+router_version = os.getenv('ROUTER_VERSION')
+docker_tag = os.getenv('ROUTER_VERSION')
+docker_acc = os.getenv('DOCKER_ACC')
+
+docker_product = 'percona-mysql-router'
+docker_image = docker_acc + "/" + docker_product + ":" + docker_tag
+ps_pwd = 'inno'
+
+RHEL_DISTS = ["redhat", "centos", "rhel", "oracleserver", "ol", "amzn"]
+
+DEB_DISTS = ["debian", "ubuntu"]
+

docker-image-tests/percona-mysql-router/test

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+#!/usr/bin/env python3
+import pytest
+import subprocess
+import testinfra
+import time
+from settings import *
+
+container_name = 'router-docker-test-static'
+
+@pytest.fixture(scope='module')
+def host():
+    docker_id = subprocess.check_output(
+        ['docker', 'run', '--name', container_name, '-d', docker_image ], stderr=subprocess.STDOUT ).decode().strip()
+    time.sleep(20)
+    subprocess.check_call(['docker','exec','--user','root',container_name,'microdnf','install', '-y', 'net-tools'])
+    time.sleep(20)
+    yield testinfra.get_host("docker://root@" + docker_id)
+    subprocess.check_call(['docker', 'rm', '-f', docker_id])
+
+
+class TestRouterEnvironment:
+    def test_packages(self, host):
+        pkg = host.package("percona-mysql-router")
+        dist = host.system_info.distribution
+        assert pkg.is_installed
+        if dist.lower() in RHEL_DISTS:
+            assert router_version in pkg.version+'-'+pkg.release, pkg.version+'-'+pkg.release
+        else:
+            assert router_version in pkg.version, pkg.version
+
+    def test_binaries_exist(self, host):
+        router_binary="/tmp/mysqlrouter"
+        assert host.file(router_binary).exists
+        assert oct(host.file(router_binary).mode) == '0o755'
+
+    def test_binaries_version(self, host):
+        assert router_version in host.check_output("/tmp/mysqlrouter --version")
+
+#    def test_process_running(self, host):
+#        assert host.process.get(user="mysql", comm="orchestrator")
+
+    def test_http_port_6446(self, host):
+        assert host.socket('tcp://127.0.0.1:6446').is_listening
+
+    def test_raft_port_6447(self, host):
+        assert host.socket('tcp://127.0.0.1:6447').is_listening
+
+    def test_mysql_user(self, host):
+        assert host.user('mysql').exists
+        assert host.user('mysql').uid == 1001
+        assert host.user('mysql').gid == 1001
+        assert 'mysql' in host.user('mysql').groups
+
+    def test_mysql_group(self, host):
+        assert host.group('mysql').exists
+        assert host.group('mysql').gid == 1001
+
+    def test_router_permissions(self, host):
+        assert host.file('/var/lib/mysqlrouter').user == 'mysql'
+        assert host.file('/var/lib/mysqlrouter').group == 'mysql'
+        assert oct(host.file('/var/lib/mysqlrouter').mode) == '0o755'
+
+    def test_mysqlrouter_version(self, host):
+        cmd = host.run("mysqlrouter --version")
+        assert router_version in cmd.stdout
+
+
+    def test_mysqlsh_version(self, host):
+        cmd = host.run("mysqlsh --version")
+        assert PS_VERSION in cmd.stdout

docker-image-tests/percona-mysql-router/tests/.test_router_attr.py.swp

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+#!/usr/bin/env python3
+import pytest
+import subprocess
+import testinfra
+import json
+from settings import *
+
+container_name = 'router-docker-test-inspect'
+
+@pytest.fixture(scope='module')
+def inspect_data():
+    docker_id = subprocess.check_output(
+        ['docker', 'run', '--name', container_name, '-d', docker_image], stderr=subprocess.STDOUT ).decode().strip()
+    inspect_data = json.loads(subprocess.check_output(['docker','inspect',container_name]))
+    yield inspect_data[0]
+    subprocess.check_call(['docker', 'rm', '-f', docker_id])
+
+
+class TestContainerAttributes:
+    def test_status(self, inspect_data):
+        assert inspect_data['State']['Status'] == 'running'
+        assert inspect_data['State']['Running'] == True
+
+    def test_config(self, inspect_data):
+        assert len(inspect_data['Config']['Cmd']) == 1
+        assert inspect_data['Config']['Cmd'][0] == 'mysqlrouter'
+
+    def test_image_name(self, inspect_data):
+        assert inspect_data['Config']['Image'] == docker_image
+
+    def test_volumes(self, inspect_data):
+        assert len(inspect_data['Config']['Volumes']) == 1
+        assert '/var/lib/mysqlrouter' in inspect_data['Config']['Volumes']
+
+    def test_entrypoint(self, inspect_data):
+        assert len(inspect_data['Config']['Entrypoint']) == 1
+        assert inspect_data['Config']['Entrypoint'][0] == '/entrypoint.sh'
+