{"id":32476,"date":"2019-10-31T21:47:17","date_gmt":"2019-10-31T18:47:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opyt-ispolzovaniya-flatten-maven-plugin-dlya-uproshheniya-versionirovaniya-v-maven-proektah\/"},"modified":"2019-10-31T21:47:17","modified_gmt":"2019-10-31T18:47:17","slug":"opyt-ispolzovaniya-flatten-maven-plugin-dlya-uproshheniya-versionirovaniya-v-maven-proektah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/opyt-ispolzovaniya-flatten-maven-plugin-dlya-uproshheniya-versionirovaniya-v-maven-proektah","title":{"rendered":"Kogemus flatten-maven-plugin'i kasutamisest Maven-projektide versiooni lihtsustamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Meist<\/h4>\n

\n1C-s me loobime mitte ainult platvormi 1C: Ettev\u00f5te<\/a><\/noindex> . Tundub, et C++<\/a><\/noindex> ja JavaScript<\/a><\/noindex>, vaid ka rakendusi Java-s \u2013 nimelt uut arenduskeskkonda Enterprise Development Tools<\/a><\/noindex> Eclipse'i p\u00f5hjal ja server, mis on s\u00fcgavalt integreeritud s\u00f5numirakendusega \u2013 Koost\u00f6\u00f6 s\u00fcsteemid<\/a><\/noindex>.<\/p>\n

Sissejuhatus<\/h4>\n

\nJava rakenduste koostamise s\u00fcsteemina kasutame k\u00f5ige sagedamini mavenit ja selles l\u00fchikeses artiklis soovime r\u00e4\u00e4kida \u00fchest probleemist, millega oleme arenduse korraldamisel silmitsi seisnud, ning l\u00e4henemisest, mis selle probleemi lahendamiseks aitas.
\n<\/a><\/noindex><\/p>\n

Eeltingimused ja t\u00f6\u00f6protsess<\/h4>\n

\nKuna meie maven-projektide arendamise iseloom n\u00f5uab meilt palju mooduleid, s\u00f5ltuvusi ja alprojektide kasutamist, v\u00f5ib \u00fche puu pom-failide arv ulatuda k\u00fcmnete ja isegi sadade kaupa.<\/p>\n

\"Kogemus
\n
\nTundub, et pole hullu, loodud \u00fcks kord ja unustatud. Kui tuleb midagi k\u00f5igis failides korrigeerida v\u00f5i lisada, on redigeerijates ja IDE-des palju mugavaid t\u00f6\u00f6riistu. Aga mis on k\u00f5ige levinum regulaarne muudatus pom.xml-is? Usume, et projektide ja s\u00f5ltuvuste versioonide muutmine. V\u00f5ib-olla keegi tahaks selle \u00fcle vaielda, aga meil on asi just nii. P\u00f5hjus peitub selles, et koos tuumaga arendame samal ajal palju oma teeke ja tulemuste pidev reprodutseeritavus kogumises ja testimises ei v\u00f5imalda meil kasutada sniemikeid. Seet\u00f5ttu peame iga koostamise ajal projektides versiooninumbrit t\u00f5stma.<\/p>\n

Samuti tekib arendajal aeg-ajalt vajadus koguda oma haru m\u00f5nest raamatukogust ja kontrollida selle toimivust k\u00f5igi s\u00f5ltuvuste osas, millega on vajalik manuaalselt muuta versioon k\u00f5igis neist.<\/p>\n

Esialgne lahendus<\/h4>\n

\nSelliste sagedaste ja mitmekesiste versioonimuudatustega tahame CI k\u00e4igus protsessi lihtsustada ja automatiseerida. Siin tuleb appi mugav ja tuntud plugin versions-maven-plugin<\/i> \u2014 kutsume selle \u00fcles ja k\u00e4ivitame <\/p>\n

mvn -N versions:set -DnewVersion=2.0.1 <\/i><\/p>\n

ja maven teeb k\u00f5ik nagu peab: jookseb puu \u00fclevalt alla, asendab k\u00f5ik versioonid \u2014 ilus! N\u00fc\u00fcd peab lihtsalt pull-requesti t\u00f5stma, kolleegid vaatavad muudatused \u00fcle ja saab kiiresti trunk'i voolata. Kiiresti? Kuidas siis niimoodi. Paar-kolm sada pom.xml<\/i> \u00fclevaatusel, ja see ei h\u00f5lma koodi. Lisaks ei ole merge-konfliktide eest keegi kaitstud nii paljude muutunud failide puhul. Siin tuleb m\u00e4rkida, et CI protsessis toimuvad versioonimuutused automaatselt koos funktsionaalsuse muutumisega, mitte kuidagi eraldi.<\/p>\n

Uued v\u00f5imalused<\/h4>\n

\nM\u00f5neks ajaks rahunesime ja leppisime sellega, et elasime edasi, kuni poisid Maven Apache Project<\/a><\/noindex> kaasas mavenisse alates versioonist 3.5.0-beta-1 toe nii nimetatud \"versioonide asendajate\" (placeholders) jaoks. Asendajate m\u00f5te on selles, et pom.xml<\/i> konkreetselt n\u00e4idatud projekti versioonide asemel kasutatakse muutujaid ${revision}<\/i>, ${sha1}<\/i> ja ${changelist}<\/i>. Nende omaduste v\u00e4\u00e4rtusi saab m\u00e4\u00e4rata kas elemendis <properties<\/i>>, v\u00f5i saab neid m\u00e4\u00e4rata l\u00e4bi s\u00fcsteemi omaduse<\/p>\n

mvn -Drevision=2.0.0 clean package<\/i><\/p>\n

S\u00fcsteemi omaduste v\u00e4\u00e4rtused on eelised v\u00e4\u00e4rtustele, mis on m\u00e4\u00e4ratud <properties<\/i>>.<\/p>\n

Vanem<\/b>
\n<project>
\n\u00a0\u00a0<modelVersion>4.0.0<\\\/modelVersion>
\n\u00a0\u00a0<parent>
\n\u00a0\u00a0\u00a0\u00a0<groupId>org.apache<\\\/groupId>
\n\u00a0\u00a0\u00a0\u00a0<artifactId>apache<\\\/artifactId>
\n\u00a0\u00a0\u00a0\u00a0<version>18<\\\/version>
\n\u00a0\u00a0<\\\/parent>
\n\u00a0\u00a0<groupId>org.apache.maven.ci<\\\/groupId>
\n\u00a0\u00a0<artifactId>ci-parent<\\\/artifactId>
\n\u00a0\u00a0<name>Esimene CI S\u00f5bralik<\\\/name>
\n\u00a0\u00a0<version>${revision}${sha1}${changelist}<\/b><\\\/version>
\n\u00a0\u00a0\u2026
\n\u00a0\u00a0<properties>
\n\u00a0\u00a0\u00a0\u00a0<revision><\/b>1.3.1<\\\/revision><\/b>
\n\u00a0\u00a0\u00a0\u00a0<changelist><\/b>Peab olema olemas<\\\/changelist><\/b>
\n\u00a0\u00a0\u00a0\u00a0<sha1\\\/><\/b>
\n\u00a0\u00a0<\\\/properties>
\n<\\\/project>
\n<\/i>
\nJ\u00e4reltulija<\/b>
\n<project>
\n\u00a0\u00a0<modelVersion>4.0.0<\\\/modelVersion>
\n\u00a0\u00a0<parent>
\n\u00a0\u00a0\u00a0\u00a0<groupId>org.apache.maven.ci<\\\/groupId>
\n\u00a0\u00a0\u00a0\u00a0<artifactId>ci-parent<\\\/artifactId>
\n\u00a0\u00a0\u00a0\u00a0<version>${revision}${sha1}${changelist}<\/b><\\\/version>
\n\u00a0\u00a0<\\\/parent>
\n\u00a0\u00a0<groupId>org.apache.maven.ci<\\\/groupId>
\n\u00a0\u00a0<artifactId>ci-child<\\\/artifactId>
\n\u00a0\u00a0\u00a0\u2026
\n<\\\/project>
\n<\/i><\/p>\n

Kui soovid luua versiooni 2.0.0-SNAPSHOT, siis kasutame lihtsalt <\/p>\n

\u00a0\u00a0\u00a0\u00a0mvn -Drevision=2.0.0 clean package<\/i><\/p>\n

Kui soovid teha v\u00e4ljaande, siis lihtsalt nullime SNAPSHOT <\/p>\n

\u00a0\u00a0\u00a0\u00a0mvn -Dchangelist= clean package<\/i><\/p>\n

*\u00dclaltoodud n\u00e4ited on v\u00f5etud artikleid<\/a><\/noindex> Maven Apache Project veebisaidilt<\/p>\n

Karm reaalsus<\/h4>\n

\nK\u00f5ik on h\u00e4sti ja tore, on aeg tunda rahulolu, kuid ei. Selgub, et installi ja deploy jaoks ei sobi see meetod, kuna publikatsioonide jaoks, mis avaldatakse hoidlas, ei asendata ${revision}<\/i> selle v\u00e4\u00e4rtusega ja maven ei saa edasi aru, millest \u00fcldse jutt.<\/p>\n

<parent>
\n\u00a0\u00a0\u00a0\u00a0<groupId>org.apache<\\\/groupId>
\n\u00a0\u00a0\u00a0\u00a0<artifactId>apache<\\\/artifactId>
\n\u00a0\u00a0\u00a0\u00a0<version>${revision}<\\\/version>
\n<\\\/parent>
\n<\/i><\/p>\n

Valgus tunneli l\u00f5pus<\/h4>\n

\nProbleemi lahendust tuleb otsida. Oleks saanud olukorda p\u00e4\u00e4sta flatten-maven-plugin<\/a><\/noindex>. See plugin allows all variables in pom, but also cuts out a lot of other information that is only needed during assembly and is not required when importing published artifacts into other projects. The plugin also \"flattens\" all parent-child dependencies, resulting in flat poms that include everything needed. The inconvenience was that it cuts out too much \"extra\" content, which was not acceptable to us. After studying the information on the development of this plugin, it turned out that we are not alone in the universe, and back in August 2018, a pull request was created in the plugin's GitHub repository with the request to make it possible to determine how to \"distort\" pom.xml by ourselves. The developers listened to the voices of the needy, and already in December, with the release of the new version 1.1.0, a new mode resolveCiFriendliesOnly appeared in flatten-maven-plugin, which fit perfectly \u2013 it leaves pom.xml as is, except for the element <version><\/i> and allows ${revision}<\/i>, ${sha1}<\/i> ja ${changelist}<\/i>.<\/p>\n

Add plugin to project<\/p>\n

<plugins>
\n\u00a0\u00a0<plugin>
\n\u00a0\u00a0\u00a0\u00a0<groupId>org.codehaus.mojo<\\\/groupId>
\n\u00a0\u00a0\u00a0\u00a0<artifactId>flatten-maven-plugin<\\\/artifactId>
\n\u00a0\u00a0\u00a0\u00a0<version>1.1.0<\\\/version>
\n\u00a0\u00a0\u00a0\u00a0<configuration>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<updatePomFile>true<\\\/updatePomFile>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<flattenMode>resolveCiFriendliesOnly<\/b><\\\/flattenMode>
\n\u00a0\u00a0\u00a0\u00a0<\\\/configuration>
\n\u00a0\u00a0\u00a0\u00a0<executions>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<execution>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<id>flatten<\\\/id>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<phase>process-resources<\\\/phase>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<goals>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<goal>flatten<\\\/goal>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\\\/goals>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\\\/execution>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<execution>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<id>flatten.clean<\\\/id>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<phase>clean<\\\/phase>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<goals>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<goal>clean<\\\/goal>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\\\/goals>
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\\\/execution>
\n\u00a0\u00a0\u00a0\u00a0<\\\/executions>
\n\u00a0\u00a0<\\\/plugin>
\n<\\\/plugins>
\n<\/i><\/p>\n

Valmis!<\/p>\n

Happy ending<\/h4>\n

\nFrom now on, in order to change the version of the entire project and notify all dependencies about this, we only need to edit the <revision<\/i>> element in just one root pom.xml<\/i>. Instead of receiving a hundred or so of these files with the same change, we receive just one. This also eliminates the need to use versions-maven-plugin<\/i>.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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