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https://issues.apache.org/jira/browse/HDDS-1458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826541#comment-16826541
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Eric Yang commented on HDDS-1458:
---------------------------------
Patch 001 is a draft of fault injection framework in maven + developer docker
image. What is in this patch:
# Modified start-build-env.sh to allow docker cli to run in docker for spin up
additional docker container for testing.
# Include pytest and blockade for network fault injection tests.
# Include a maven profile to launch Ozone blockade test suites.
Disk fault injection can be simulated by running Ozone docker image with read
only disks using maven docker compose plugin in combination of additional
python tests.
Developer/Jenkins can start the fault injection tests by running:
{code}
./start-build.env.sh
cd hadoop/hadoop-ozone/dist
mvn clean verify -Pit
{code}
A couple of points for discussion:
- Are we ok with docker in docker addition to start-build-env.sh because it
uses --privileged command to gain access to host level docker. In my opinion,
the existing setup already require user to have access to docker. This new
privileged flag gives more power to break out of container environment, but it
is necessary to simulate network or disk failures. I am fine without bundle
this in start-build-env.sh, but it is nicer without having to look for
developer dependencies to start development.
- Can we move hadoop-ozone/dist/src/main/blockade into integration-test
project? It seems a more logical choice to host fault injection test suites.
> Create a maven profile to run fault injection tests
> ---------------------------------------------------
>
> Key: HDDS-1458
> URL: https://issues.apache.org/jira/browse/HDDS-1458
> Project: Hadoop Distributed Data Store
> Issue Type: Test
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Major
> Attachments: HDDS-1458.001.patch
>
>
> Some fault injection tests have been written using blockade. It would be
> nice to have ability to start docker compose and exercise the blockade test
> cases against Ozone docker containers, and generate reports. This is
> optional integration tests to catch race conditions and fault tolerance
> defects.
> We can introduce a profile with id: it (short for integration tests). This
> will launch docker compose via maven-exec-plugin and run blockade to simulate
> container failures and timeout.
> Usage command:
> {code}
> mvn clean verify -Pit
> {code}
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