HADOOP-19343. Add support for open() and rename()

[arunkumarchacko]

Description of PR

How was this patch tested?

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 33s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 1s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 3 new or modified test files.
			_ HADOOP-19343 Compile Tests _
+1 💚	mvninstall	47m 23s		HADOOP-19343 passed
+1 💚	compile	0m 28s		HADOOP-19343 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	0m 27s		HADOOP-19343 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	0m 28s		HADOOP-19343 passed
+1 💚	mvnsite	0m 31s		HADOOP-19343 passed
+1 💚	javadoc	0m 33s		HADOOP-19343 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 28s		HADOOP-19343 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	0m 47s		HADOOP-19343 passed
+1 💚	shadedclient	35m 9s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	8m 49s		the patch passed
+1 💚	compile	0m 18s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javac	0m 18s		the patch passed
+1 💚	compile	0m 18s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	javac	0m 18s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	checkstyle	0m 15s	/results-checkstyle-hadoop-tools_hadoop-gcp.txt	hadoop-tools/hadoop-gcp: The patch generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0)
+1 💚	mvnsite	0m 20s		the patch passed
+1 💚	javadoc	0m 20s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 19s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	0m 44s		the patch passed
+1 💚	shadedclient	35m 11s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	0m 27s		hadoop-gcp in the patch passed.
+1 💚	asflicense	0m 39s		The patch does not generate ASF License warnings.
		136m 43s

Subsystem	Report/Notes
Docker	ClientAPI=1.50 ServerAPI=1.50 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/1/artifact/out/Dockerfile
GITHUB PR	#7742
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 7dda8785b93b 5.15.0-140-generic #150-Ubuntu SMP Sat Apr 12 06:00:09 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	HADOOP-19343 / 3d3a3a2
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/1/testReport/
Max. process+thread count	642 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-gcp U: hadoop-tools/hadoop-gcp
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[cnauroth]

@arunkumarchacko , thank you for this patch. It mostly looks good. I entered a few minor nitpicks.

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	8m 15s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 3 new or modified test files.
			_ HADOOP-19343 Compile Tests _
+1 💚	mvninstall	29m 51s		HADOOP-19343 passed
+1 💚	compile	0m 15s		HADOOP-19343 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	0m 18s		HADOOP-19343 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	0m 18s		HADOOP-19343 passed
+1 💚	mvnsite	0m 22s		HADOOP-19343 passed
+1 💚	javadoc	0m 24s		HADOOP-19343 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 18s		HADOOP-19343 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	0m 34s		HADOOP-19343 passed
+1 💚	shadedclient	20m 59s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	5m 6s		the patch passed
+1 💚	compile	0m 11s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javac	0m 11s		the patch passed
+1 💚	compile	0m 13s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	javac	0m 13s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 10s		the patch passed
+1 💚	mvnsite	0m 14s		the patch passed
+1 💚	javadoc	0m 13s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	0m 14s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	0m 30s		the patch passed
+1 💚	shadedclient	21m 26s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	0m 17s		hadoop-gcp in the patch passed.
+1 💚	asflicense	0m 26s		The patch does not generate ASF License warnings.
		91m 47s

Subsystem	Report/Notes
Docker	ClientAPI=1.50 ServerAPI=1.50 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/2/artifact/out/Dockerfile
GITHUB PR	#7742
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux fcd0fefc4ffa 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15 15:53:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	HADOOP-19343 / b5b8e36
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/2/testReport/
Max. process+thread count	560 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-gcp U: hadoop-tools/hadoop-gcp
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7742/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0 https://yetus.apache.org

This message was automatically generated.

[cnauroth]

+1, will commit to the feature branch shortly.