yoda-mon opened a new pull request, #999:
URL: https://github.com/apache/bigtop/pull/999
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### Description of PR
This PR adds an option that adds a docker volume and mounts `.m2` during
the build.
Adding this option, users could reduce the build time by skipping some
download processes.
#### Detail
```sh
./gradlew target-ind -POS=ubuntu-20.04 -Pmvn-cache-volume=true
```
or
```sh
cd bigtop-ci; bash -xe ./build.sh --prefix trunk --os ubuntu-20.04 --target
zookeeper-pkg --mvn-cache true
```
With this option, bigtop create docker volume that named
`bigtop-mvn-cache-$OS` if not exists and mount it on `/var/lib/jenkins/.m2` in
the provisioner container. If the volume has already existed, bigtop reuse it.
If users set the option `false`, bigtop try to remove the volume and build
without the cache.
If users does not set any option for this, bigtop do nothing for mounting
the volume (Same behavior with before).
### How was this patch tested?
I checked on Ubuntu 22.04/x86 host machine.
1st build with the cache option.
```sh
$ nohup ./gradlew zookeeper-clean zookeeper-pkg-ind -POS=ubuntu-20.04
-Pmvn-cache-volume=true > nohup-true-1.out 2>&1 < /dev/null
...
BUILD SUCCESSFUL in 6m 10s
Check the volume.
```sh
$ docker volume ls
DRIVER VOLUME NAME
local bigtop-mvn-cache-ubuntu-20.04
```
$ docker run -it --rm -v bigtop-mvn-cache-ubuntu-20.04:/root/.m2
ubuntu:20.04 ls -l /root/.m2/
total 4
drwxr-xr-x 46 1000 1000 4096 Sep 2 06:40 repository
```
2nd build with the cache option
```sh
$ nohup ./gradlew zookeeper-clean zookeeper-pkg-ind -POS=ubuntu-20.04
-Pmvn-cache-volume=true > nohup-true-2.out 2>&1 < /dev/null
...
BUILD SUCCESSFUL in 1m 40s
```
Set the option false
```sh
$ nohup ./gradlew zookeeper-clean zookeeper-pkg-ind -POS=ubuntu-20.04
-Pmvn-cache-volume=false > nohup-false.out 2>&1 < /dev/null &
...
BUILD SUCCESSFUL in 6m 14s
```
Check the deletion
```sh
$ docker volume ls
DRIVER VOLUME NAME
```
Set no option
```sh
$ nohup ./gradlew zookeeper-clean zookeeper-pkg-ind -POS=ubuntu-20.04 >
nohup-no.out 2>&1 < /dev/null &
...
BUILD SUCCESSFUL in 6m 10s
```
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'BIGTOP-3638. Your PR title ...')?
- [ ] Make sure that newly added files do not have any licensing issues.
When in doubt refer to https://www.apache.org/licenses/
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