diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cf8502f --- /dev/null +++ b/.gitignore @@ -0,0 +1,21 @@ +*~ +/.gradle +/build +.java-version +.digdag + +# git +!.gitkeep +.git + +# intellij idea +*.iml +*.ipr +*.iws +*.idea + +# eclipse +.classpath +.project +.settings +/bin/ diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f433b1a --- /dev/null +++ b/LICENSE @@ -0,0 +1,177 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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You need to implement [a Plugin class](https://github.com/myui/digdag-plugin-example/blob/master/src/main/java/io/digdag/plugin/example/ExamplePlugin.java) that implements `io.digdag.spi.Plugin`. + +2. Then, list it on [io.digdag.spi.Plugin](https://github.com/myui/digdag-plugin-example/blob/master/src/main/resources/META-INF/services/io.digdag.spi.Plugin). The listed plugins are loaded by Digdag. + +You can optionally create Eclipse/Idea project files as follows: +```sh +gradle eclipse +gradle idea +``` + +*Note:* _It's better to change the dependencies from `provided` to `compile` in [build.gradle](https://github.com/myui/digdag-plugin-example/blob/master/build.gradle) for creating idea/eclipse project config._ + +# Plugin Loading + +Digdag loads pluigins from Maven repositories by configuring [plugin options](https://github.com/myui/digdag-plugin-example/blob/master/sample/plugin.dig). + +You can use a local Maven repository (local FS, Amazon S3) or any public Maven repository ([Maven Central](http://search.maven.org/), [Sonatype](https://www.sonatype.com/), [Bintary](https://bintray.com/), [Jitpack](https://jitpack.io/)) for the plugin artifact repository. + +# Publishing your plugin using Github and Jitpack + +[Jitpack](https://jitpack.io/) is useful for publishing your github repository as a maven repository. + +```sh +git tag v0.1.3 +git push origin v0.1.3 +``` + +https://jitpack.io/#myui/digdag-plugin-example/v0.1.3 + +Now, you can load the artifact from a github repository in [a dig file](https://github.com/myui/digdag-plugin-example/blob/master/sample/plugin.dig) as follows: + +``` +_export: + plugin: + repositories: + # - file://${repos} + - https://jitpack.io + dependencies: + # - io.digdag.plugin:digdag-plugin-example:0.1.3 + - com.github.myui:digdag-plugin-example:v0.1.3 +``` + +# Further reading + +- [Operators](http://docs.digdag.io/operators.html) and [their implementations](https://github.com/treasure-data/digdag/tree/master/digdag-standards/src/main/java/io/digdag/standards/operator) diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..2dfcab6 --- /dev/null +++ b/build.gradle @@ -0,0 +1,69 @@ +apply plugin: 'java' +apply plugin: 'maven' +apply plugin: 'maven-publish' + +apply plugin: 'eclipse' +apply plugin: 'idea' + +group = 'io.digdag.plugin' +version = '0.1.3' + +def digdagVersion = '0.9.12' + +repositories { + mavenCentral() + jcenter() + maven { + url 'https://dl.bintray.com/digdag/maven' + } +} + +configurations { + provided +} + +dependencies { + provided 'io.digdag:digdag-spi:' + digdagVersion + // provided 'io.digdag:digdag-standards:' + digdagVersion + provided 'io.digdag:digdag-plugin-utils:' + digdagVersion // this should be 'compile' once digdag 0.8.2 is released to a built-in repository +} + +sourceSets { + main { + compileClasspath += configurations.provided + test.compileClasspath += configurations.provided + test.runtimeClasspath += configurations.provided + } +} + +publishing { + publications { + mavenJava(MavenPublication) { + // artifactId 'project1-sample' + from components.java + } + } + repositories { + maven { + url "$buildDir/repo" + } + } +} + +sourceCompatibility = 1.8 +targetCompatibility = 1.8 + +compileJava.options.encoding = 'UTF-8' +compileTestJava.options.encoding = 'UTF-8' + +tasks.withType(JavaCompile) { + options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation" +} + +javadoc { + options { + locale = 'en_US' + encoding = 'UTF-8' + } +} + diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..30d399d Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..01a2f81 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Wed Mar 02 12:59:56 PST 2016 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-2.11-bin.zip diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..91a7e26 --- /dev/null +++ b/gradlew @@ -0,0 +1,164 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; +esac + +# For Cygwin, ensure paths are in UNIX format before anything is touched. +if $cygwin ; then + [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` +fi + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >&- +APP_HOME="`pwd -P`" +cd "$SAVED" >&- + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules +function splitJvmOpts() { + JVM_OPTS=("$@") +} +eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS +JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" + +exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..aec9973 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windowz variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/sample/.gitignore b/sample/.gitignore new file mode 100644 index 0000000..10476a6 --- /dev/null +++ b/sample/.gitignore @@ -0,0 +1,5 @@ +/.digdag-wrapper +.digdag +*.pyc + +example.out diff --git a/sample/plugin.dig b/sample/plugin.dig new file mode 100644 index 0000000..a988068 --- /dev/null +++ b/sample/plugin.dig @@ -0,0 +1,17 @@ +_export: + plugin: + repositories: + - file://${repos} + # - https://jitpack.io + dependencies: + - io.digdag.plugin:digdag-plugin-example:0.1.3 + # - com.github.myui:digdag-plugin-example:v0.1.3 + ++step1: + example>: template.txt + message: yes + path: example.out + ++step2: + hello>: "hello " + message: world diff --git a/sample/template.txt b/sample/template.txt new file mode 100644 index 0000000..d794f34 --- /dev/null +++ b/sample/template.txt @@ -0,0 +1 @@ +Worked? ${message} diff --git a/src/main/java/io/digdag/plugin/example/ExampleOperatorFactory.java b/src/main/java/io/digdag/plugin/example/ExampleOperatorFactory.java new file mode 100644 index 0000000..54b7dba --- /dev/null +++ b/src/main/java/io/digdag/plugin/example/ExampleOperatorFactory.java @@ -0,0 +1,56 @@ +package io.digdag.plugin.example; + +import static java.nio.charset.StandardCharsets.UTF_8; +import io.digdag.client.config.Config; +import io.digdag.spi.Operator; +import io.digdag.spi.OperatorContext; +import io.digdag.spi.OperatorFactory; +import io.digdag.spi.TaskResult; +import io.digdag.spi.TemplateEngine; +import io.digdag.util.BaseOperator; + +import java.io.IOException; +import java.nio.file.Files; + +import com.google.common.base.Throwables; + +public class ExampleOperatorFactory implements OperatorFactory { + private final TemplateEngine templateEngine; + + public ExampleOperatorFactory(TemplateEngine templateEngine) { + this.templateEngine = templateEngine; + } + + public String getType() { + return "example"; + } + + @Override + public Operator newOperator(OperatorContext context) { + return new ExampleOperator(context); + } + + private class ExampleOperator extends BaseOperator { + public ExampleOperator(OperatorContext context) { + super(context); + } + + @Override + public TaskResult runTask() { + Config params = request.getConfig().mergeDefault( + request.getConfig().getNestedOrGetEmpty("example")); + + String message = workspace.templateCommand(templateEngine, params, "message", UTF_8); + String path = params.get("path", String.class); + + try { + Files.write(workspace.getPath(path), message.getBytes(UTF_8)); + } catch (IOException ex) { + throw Throwables.propagate(ex); + } + + return TaskResult.empty(request); + } + } + +} diff --git a/src/main/java/io/digdag/plugin/example/ExamplePlugin.java b/src/main/java/io/digdag/plugin/example/ExamplePlugin.java new file mode 100644 index 0000000..ba6dd15 --- /dev/null +++ b/src/main/java/io/digdag/plugin/example/ExamplePlugin.java @@ -0,0 +1,33 @@ +package io.digdag.plugin.example; + +import io.digdag.spi.OperatorFactory; +import io.digdag.spi.OperatorProvider; +import io.digdag.spi.Plugin; +import io.digdag.spi.TemplateEngine; + +import java.util.Arrays; +import java.util.List; + +import javax.inject.Inject; + +public class ExamplePlugin implements Plugin { + @Override + public Class getServiceProvider(Class type) { + if (type == OperatorProvider.class) { + return ExampleOperatorProvider.class.asSubclass(type); + } else { + return null; + } + } + + public static class ExampleOperatorProvider implements OperatorProvider { + @Inject + protected TemplateEngine templateEngine; + + @Override + public List get() { + return Arrays.asList(new ExampleOperatorFactory(templateEngine), + new HelloOperatorFactory(templateEngine)); + } + } +} diff --git a/src/main/java/io/digdag/plugin/example/HelloOperatorFactory.java b/src/main/java/io/digdag/plugin/example/HelloOperatorFactory.java new file mode 100644 index 0000000..fd195a9 --- /dev/null +++ b/src/main/java/io/digdag/plugin/example/HelloOperatorFactory.java @@ -0,0 +1,50 @@ +package io.digdag.plugin.example; + +import io.digdag.client.config.Config; +import io.digdag.spi.Operator; +import io.digdag.spi.OperatorContext; +import io.digdag.spi.OperatorFactory; +import io.digdag.spi.TaskResult; +import io.digdag.spi.TemplateEngine; +import io.digdag.util.BaseOperator; + +public class HelloOperatorFactory implements OperatorFactory { + @SuppressWarnings("unused") + private final TemplateEngine templateEngine; + + public HelloOperatorFactory(TemplateEngine templateEngine) { + this.templateEngine = templateEngine; + } + + @Override + public String getType() { + return "hello"; + } + + @Override + public Operator newOperator(OperatorContext context) { + return new HelloOperator(context); + } + + private class HelloOperator extends BaseOperator { + + HelloOperator(OperatorContext context) { + super(context); + } + + @Override + public TaskResult runTask() { + //Config params = request.getConfig(); + Config params = request.getConfig().mergeDefault( + request.getConfig().getNestedOrGetEmpty("hello")); + + String message = params.get("_command", String.class); + message += params.get("message", String.class); + + System.out.println(message); + + return TaskResult.empty(request); + } + + } +} diff --git a/src/main/resources/META-INF/services/io.digdag.spi.Plugin b/src/main/resources/META-INF/services/io.digdag.spi.Plugin new file mode 100644 index 0000000..622a36f --- /dev/null +++ b/src/main/resources/META-INF/services/io.digdag.spi.Plugin @@ -0,0 +1,2 @@ +io.digdag.plugin.example.ExamplePlugin +