HADOOP-17693. Dockerfile for building on Centos 8

[GauthamBanasandra]

• Adding a Dockerfile for building on Centos 8
  since some folks in the community are using it.

[hadoop-yetus]

(!) A patch to the testing environment has been detected.
Re-executing against the patched versions to perform further tests.
The console is at https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/1/console in case of problems.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 50s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	shelldocs	0m 1s		Shelldocs was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+0 🆗	mvndep	15m 43s		Maven dependency ordering for branch
+1 💚	shadedclient	16m 12s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 30s		Maven dependency ordering for patch
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-1 ❌	hadolint	0m 2s	/results-hadolint.txt	The patch generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0)
+1 💚	shellcheck	0m 0s		No new issues.
+1 💚	shadedclient	17m 26s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 40s		The patch does not generate ASF License warnings.
		53m 18s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/1/artifact/out/Dockerfile
GITHUB PR	#3006
Optional Tests	dupname asflicense codespell hadolint shellcheck shelldocs
uname	Linux b2c2c4c40580 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 90cff36
Max. process+thread count	592 (vs. ulimit of 5500)
modules	C: U:
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/1/console
versions	git=2.25.1 maven=3.6.3 shellcheck=0.7.0 hadolint=1.11.1-0-g0e692dd
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[hadoop-yetus]

(!) A patch to the testing environment has been detected.
Re-executing against the patched versions to perform further tests.
The console is at https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/2/console in case of problems.

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 55s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	shelldocs	0m 0s		Shelldocs was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+0 🆗	mvndep	15m 45s		Maven dependency ordering for branch
+1 💚	shadedclient	15m 50s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 28s		Maven dependency ordering for patch
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	hadolint	0m 1s		No new issues.
+1 💚	shellcheck	0m 0s		No new issues.
+1 💚	shadedclient	15m 25s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 31s		The patch does not generate ASF License warnings.
		50m 41s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/2/artifact/out/Dockerfile
GITHUB PR	#3006
Optional Tests	dupname asflicense codespell hadolint shellcheck shelldocs
uname	Linux 6151b23e73ba 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 5dc65d1
Max. process+thread count	515 (vs. ulimit of 5500)
modules	C: U:
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3006/2/console
versions	git=2.25.1 maven=3.6.3 shellcheck=0.7.0 hadolint=1.11.1-0-g0e692dd
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.