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https://issues.apache.org/jira/browse/HDDS-379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598704#comment-16598704
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genericqa commented on HDDS-379:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
14s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
26s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m 
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m 
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 
34s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  4m 
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
11m 57s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-hdds hadoop-ozone/integration-test {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  4m 
31s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
28s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 16m 
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 16m 
56s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
3m 39s{color} | {color:orange} root: The patch generated 1 new + 0 unchanged - 
2 fixed = 1 total (was 2) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  4m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m 
28s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} shelldocs {color} | {color:green}  0m 
34s{color} | {color:green} There were no new shelldocs issues. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 26s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-hdds hadoop-ozone/integration-test {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
20s{color} | {color:red} hadoop-hdds/common generated 1 new + 0 unchanged - 0 
fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  4m 
28s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m  
2s{color} | {color:green} hadoop-hdds in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
16s{color} | {color:green} common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
36s{color} | {color:green} tools in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
43s{color} | {color:green} common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  4m 46s{color} 
| {color:red} integration-test in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
48s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}132m  6s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdds/common |
|  |  org.apache.hadoop.hdds.cli.GenericCli.run(String[]) invokes 
System.exit(...), which shuts down the entire virtual machine  At 
GenericCli.java:down the entire virtual machine  At GenericCli.java:[line 55] |
| Failed junit tests | hadoop.ozone.TestOzoneConfigurationFields |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:ba1ab08 |
| JIRA Issue | HDDS-379 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12937899/HDDS-379.005.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  xml  shellcheck  shelldocs  |
| uname | Linux 6f826b161bed 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 8aa6c4f |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| shellcheck | v0.4.6 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDDS-Build/907/artifact/out/diff-checkstyle-root.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDDS-Build/907/artifact/out/new-findbugs-hadoop-hdds_common.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDDS-Build/907/artifact/out/patch-unit-hadoop-ozone_integration-test.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDDS-Build/907/testReport/ |
| Max. process+thread count | 2009 (vs. ulimit of 10000) |
| modules | C: hadoop-hdds hadoop-hdds/common hadoop-hdds/tools 
hadoop-ozone/common hadoop-ozone/integration-test U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HDDS-Build/907/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Simplify and improve the cli arg parsing of ozone scmcli
> --------------------------------------------------------
>
>                 Key: HDDS-379
>                 URL: https://issues.apache.org/jira/browse/HDDS-379
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>             Fix For: 0.2.1
>
>         Attachments: HDDS-379.001.patch, HDDS-379.002.patch, 
> HDDS-379.003.patch, HDDS-379.004.patch, HDDS-379.005.patch
>
>
> SCMCLI is a useful tool to test SCM. It can create/delete/close/list 
> containers.
> There are multiple problems with the current scmcli.
> The biggest one is the cli argument handling. Similar to HDDS-190, it's often 
> very hard to get the help for a specific subcommand.
> The other one is that a big part of the code is the argument handling which 
> is mixed with the business logic.
> I propose to use a more modern argument handler library and simplify the 
> argument handling (and improve the user experience).
> I propose to use [picocli|https://github.com/remkop/picocli].
> 1.) It supports subcommands and subcommand specific and general arguments.
> 2.) It could work based on annotation with very few additional boilerplate 
> code
> 3.) It's very well documented and easy to use
> 4.) It's licenced under Apache licence
> 5.) It supports tab autocompletion for bash and zsh and colorful output
> 6.) Actively maintainer project
> 7.) Adopter by other bigger projects (groovy, junit, log4j)
> In this patch I would like to demonstrate how the cli handling could be 
> simplified. And if it's accepted, we can start to use similar approach for 
> other ozone cli as well.
> The patch also fixes the cli (the name of the main class was wrong). 
> It also requires HDDS-377 for the be compiled.
> I also deleted the TestSCMCli. It was turned off with an annotation and I 
> believe that this functionality could be tested more easily with a robot test.



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