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External Volumes Integration Tests for Hello-World and Cassandra. (#3322
) SDK: * Add improved logging to indicate Pod-Replacement policy has been used. Hello-World: * Add scenario with external-volumes and basic integration test. Cassandra: * Add flag to enable/disable Pod-Replacement failure policy. * Remove mentions of Portworx from service spec, switch NetApp to Generic Driver. * Add basic integration test.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,17 @@ | ||
| from typing import Iterator | ||
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| import pytest | ||
| import sdk_external_volumes | ||
| import sdk_security | ||
| from tests import config | ||
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| @pytest.fixture(scope="session") | ||
| def configure_security(configure_universe: None) -> Iterator[None]: | ||
| yield from sdk_security.security_session(config.SERVICE_NAME) | ||
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| @pytest.fixture(scope="session") | ||
| def configure_external_volumes(): | ||
| # Handle creation of external volumes. | ||
| yield from sdk_external_volumes.external_volumes_session() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| import logging | ||
| import pytest | ||
| import re | ||
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| import sdk_agents | ||
| import sdk_install | ||
| import sdk_plan | ||
| import sdk_tasks | ||
| from tests import config | ||
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| log = logging.getLogger(__name__) | ||
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| @pytest.fixture(scope="module", autouse=True) | ||
| def configure_package(configure_security): | ||
| try: | ||
| sdk_install.uninstall(config.PACKAGE_NAME, config.SERVICE_NAME) | ||
| yield # let the test session execute | ||
| finally: | ||
| sdk_install.uninstall(config.PACKAGE_NAME, config.SERVICE_NAME) | ||
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| @pytest.mark.external_volumes | ||
| @pytest.mark.sanity | ||
| @pytest.mark.dcos_min_version("2.1") | ||
| def test_default_deployment(): | ||
| # Test default installation with external volumes. | ||
| # Ensure service comes up successfully. | ||
| options = { | ||
| "nodes": {"external_volume": {"enabled": True}}, | ||
| } | ||
| sdk_install.install( | ||
| config.PACKAGE_NAME, | ||
| config.SERVICE_NAME, | ||
| 3, | ||
| additional_options=options, | ||
| wait_for_deployment=True, | ||
| ) | ||
| # Wait for scheduler to restart. | ||
| sdk_plan.wait_for_completed_deployment(config.SERVICE_NAME) | ||
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| @pytest.mark.skip(reason="Conflicts with Cassandra Custom Recovery Manager") | ||
| @pytest.mark.sanity | ||
| def test_auto_replace_on_drain(): | ||
| candidate_tasks = sdk_tasks.get_tasks_avoiding_scheduler( | ||
| config.SERVICE_NAME, re.compile("^node-[0-9]+-server$") | ||
| ) | ||
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| assert len(candidate_tasks) != 0, "Could not find a node to drain" | ||
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| # Pick the host of the first task from the above list | ||
| replace_agent_id = candidate_tasks[0].agent_id | ||
| replace_tasks = [task for task in candidate_tasks if task.agent_id == replace_agent_id] | ||
| log.info( | ||
| "Tasks on agent {} to be replaced after drain: {}".format(replace_agent_id, replace_tasks) | ||
| ) | ||
| sdk_agents.drain_agent(replace_agent_id) | ||
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| sdk_plan.wait_for_kicked_off_recovery(config.SERVICE_NAME) | ||
| sdk_plan.wait_for_completed_recovery(config.SERVICE_NAME) | ||
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| new_tasks = sdk_tasks.get_summary() | ||
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| for replaced_task in replace_tasks: | ||
| new_task = [ | ||
| task | ||
| for task in new_tasks | ||
| if task.name == replaced_task.name and task.id != replaced_task.id | ||
| ][0] | ||
| log.info( | ||
| "Checking affected task has moved to a new agent:\n" | ||
| "old={}\nnew={}".format(replaced_task, new_task) | ||
| ) | ||
| assert replaced_task.agent_id != new_task.agent_id | ||
|
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| # Reactivate the drained agent, otherwise uninstall plans will be halted for portworx | ||
| sdk_agents.reactivate_agent(replace_agent_id) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| name: {{FRAMEWORK_NAME}} | ||
| scheduler: | ||
| principal: {{FRAMEWORK_PRINCIPAL}} | ||
| user: {{FRAMEWORK_USER}} | ||
| pods: | ||
| hello: | ||
| count: {{HELLO_COUNT}} | ||
| placement: '{{{HELLO_PLACEMENT}}}' | ||
| external-volumes: | ||
| hello-volume: | ||
| type: DOCKER | ||
| volume-mode: RW | ||
| container-path: hello-container-path | ||
| driver-name: {{EXTERNAL_VOLUME_DRIVER_NAME}} | ||
| driver-options: {{EXTERNAL_VOLUME_DRIVER_OPTIONS}} | ||
| {{#HELLO_EXTERNAL_VOLUME_NAME}} | ||
| volume-name: {{HELLO_EXTERNAL_VOLUME_NAME}} | ||
| {{/HELLO_EXTERNAL_VOLUME_NAME}} | ||
| tasks: | ||
| server: | ||
| goal: RUNNING | ||
| cmd: env && echo hello >> hello-container-path/output && sleep $SLEEP_DURATION | ||
| cpus: {{HELLO_CPUS}} | ||
| memory: {{HELLO_MEM}} | ||
| env: | ||
| SLEEP_DURATION: {{SLEEP_DURATION}} | ||
| health-check: | ||
| cmd: stat hello-container-path/output | ||
| interval: 5 | ||
| grace-period: 30 | ||
| delay: 0 | ||
| timeout: 10 | ||
| max-consecutive-failures: 3 | ||
| labels: {{HELLO_LABELS}} | ||
| world: | ||
| count: {{WORLD_COUNT}} | ||
| allow-decommission: true | ||
| placement: '{{{WORLD_PLACEMENT}}}' | ||
| external-volumes: | ||
| world-volume: | ||
| type: DOCKER | ||
| volume-mode: RW | ||
| container-path: world-container-path | ||
| driver-name: {{EXTERNAL_VOLUME_DRIVER_NAME}} | ||
| driver-options: {{EXTERNAL_VOLUME_DRIVER_OPTIONS}} | ||
| {{#WORLD_EXTERNAL_VOLUME_NAME}} | ||
| volume-name: {{WORLD_EXTERNAL_VOLUME_NAME}} | ||
| {{/WORLD_EXTERNAL_VOLUME_NAME}} | ||
| tasks: | ||
| server: | ||
| goal: RUNNING | ||
| cmd: | | ||
| # for graceful shutdown | ||
| # trap SIGTERM and mock a cleanup timeframe | ||
| terminated () { | ||
| echo "$(date) received SIGTERM, zzz for 3 ..." | ||
| sleep 3 | ||
| echo "$(date) ... all clean, peace out" | ||
| exit 0 | ||
| } | ||
| trap terminated SIGTERM | ||
| echo "$(date) trapping SIGTERM, watch here for the signal..." | ||
| echo "${TASK_NAME}" >>world-container-path/output && | ||
| # instead of running for a short duration (equal to SLEEP_DURATION), run infinitely | ||
| # to allow for testing of SIGTERM..grace..SIGKILL | ||
| while true; do | ||
| sleep 0.1 | ||
| done | ||
| cpus: {{WORLD_CPUS}} | ||
| memory: {{WORLD_MEM}} | ||
| env: | ||
| SLEEP_DURATION: {{SLEEP_DURATION}} | ||
| readiness-check: | ||
| # wordcount (wc) will report an error if the file does not exist, which effectively is zero (0) bytes | ||
| # so send the error to /dev/null, BUT also zero-left-pad the variable BYTES to ensure that it is zero | ||
| # on empty for comparison sake. | ||
| cmd: BYTES="$(wc -c world-container-path/output 2>/dev/null| awk '{print $1;}')" && [ 0$BYTES -gt 0 ] | ||
| interval: {{WORLD_READINESS_CHECK_INTERVAL}} | ||
| delay: {{WORLD_READINESS_CHECK_DELAY}} | ||
| timeout: {{WORLD_READINESS_CHECK_TIMEOUT}} | ||
| kill-grace-period: {{WORLD_KILL_GRACE_PERIOD}} |
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