diff --git a/wilma-extras/random.error.generator/README.md b/wilma-extras/random.error.generator/README.md new file mode 100644 index 00000000..36be8d41 --- /dev/null +++ b/wilma-extras/random.error.generator/README.md @@ -0,0 +1,30 @@ +Wilma Plugin Example - Random Error Generator +=============================== + +Purpose of this example +--------------------------------------- +This plugin example was created to show how Wilma can be acted as a special kind of Chaos Monkey. See the original Chaos Monkey [tool here](https://github.com/Netflix/chaosmonkey), which tool is created by Netflix for AWS. +So what kind of Chaos Monkey this example will show? This will simulate the following error situations: + + - E404 error will be received as response in a certain percentage of the requests, randomly + - E500 error will be received as response for another percentage of the requests, randomly + - response timeout will be cause for another percentage of the requests, randomly + + +Implementation +--------------------------------------- +TBD. + +Build +----- +``` +#run extras: Random Error Generator example +./gradlew -b wilma-extras/random.error.generator/build.gradle clean build +``` +After a successful run you will find the wilma plug-in in folder: wilma-extras/random.error.generator/build/libs as a jar file. + +How to Use it? +----------------------------------------- +- Ensure that the compiled randomErrorGenerator jar is available for your Wilma instance +- Configure Wilma to use it (see example configuration above) + diff --git a/wilma-extras/random.error.generator/build.gradle b/wilma-extras/random.error.generator/build.gradle new file mode 100644 index 00000000..2247bbf9 --- /dev/null +++ b/wilma-extras/random.error.generator/build.gradle @@ -0,0 +1,9 @@ +group 'com.epam.wilma' + +apply plugin: 'java' +apply from: '../../common.gradle' + +dependencies { + compile files("../../wilma-application/release/wilma-$version" + '.jar') + testCompile group: 'junit', name: 'junit', version: '4.12' +} diff --git a/wilma-extras/random.error.generator/gradle.properties b/wilma-extras/random.error.generator/gradle.properties new file mode 100644 index 00000000..f8ecaf2c --- /dev/null +++ b/wilma-extras/random.error.generator/gradle.properties @@ -0,0 +1,2 @@ +componentName=wilma-extras-random-error-generator +buildNumber=DEV diff --git a/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.jar b/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000..ca78035e Binary files /dev/null and b/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.jar differ diff --git a/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.properties b/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..e7a186d2 --- /dev/null +++ b/wilma-extras/random.error.generator/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Thu Feb 16 21:45:02 CET 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-bin.zip diff --git a/wilma-extras/random.error.generator/gradlew b/wilma-extras/random.error.generator/gradlew new file mode 100644 index 00000000..27309d92 --- /dev/null +++ b/wilma-extras/random.error.generator/gradlew @@ -0,0 +1,164 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# 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\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$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 "$darwin" = "false" -a "$nonstop" = "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 "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # 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 "$@" diff --git a/wilma-extras/random.error.generator/gradlew.bat b/wilma-extras/random.error.generator/gradlew.bat new file mode 100644 index 00000000..832fdb60 --- /dev/null +++ b/wilma-extras/random.error.generator/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +: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/wilma-extras/random.error.generator/settings.gradle b/wilma-extras/random.error.generator/settings.gradle new file mode 100644 index 00000000..80030970 --- /dev/null +++ b/wilma-extras/random.error.generator/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'randomErrorGenerator' + diff --git a/wilma-extras/random.error.generator/src/main/java/com/epam/wilma/extras/randomErrorGenerator/RandomErrorGeneratorChecker.java b/wilma-extras/random.error.generator/src/main/java/com/epam/wilma/extras/randomErrorGenerator/RandomErrorGeneratorChecker.java new file mode 100644 index 00000000..4568915b --- /dev/null +++ b/wilma-extras/random.error.generator/src/main/java/com/epam/wilma/extras/randomErrorGenerator/RandomErrorGeneratorChecker.java @@ -0,0 +1,67 @@ +package com.epam.wilma.extras.randomErrorGenerator; +/*========================================================================== +Copyright 2013-2017 EPAM Systems + +This file is part of Wilma. + +Wilma is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +Wilma is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Wilma. If not, see . +===========================================================================*/ + +import com.epam.wilma.domain.http.WilmaHttpRequest; +import com.epam.wilma.domain.stubconfig.dialog.condition.checker.ConditionChecker; +import com.epam.wilma.domain.stubconfig.parameter.ParameterList; + +/** + * Example Wilma plugin to simulate random error situations. The following error situations are supported: + * - E404 error will be received as response in a certain percentage of the requests, randomly + * - E500 error will be received as response for another percentage of the requests, randomly + * - response timeout will be cause for another percentage of the requests, randomly + * + * You need to have as many dialog descriptors in the stub configuration as many error situations you would like to simulate. + * + * @author tkohegyi + */ +public class RandomErrorGeneratorChecker implements ConditionChecker { + + private static final String PARAMETER_NAME_E404 = "E404"; + private static final String PARAMETER_NAME_E500 = "E500"; + private static final String PARAMETER_NAME_TIMEOUT = "TIMEOUT120SEC"; + + @Override + /** + * ConditionChecker method implementation. Based on the received parameters it decides if a certain error condition should happen or not. + */ + public boolean checkCondition(final WilmaHttpRequest request, final ParameterList parameterList) { + boolean needError = false; + + //determine parameters + String parameterE500Value = parameterList.get(PARAMETER_NAME_E500); + String parameterTimeoutValue = parameterList.get(PARAMETER_NAME_TIMEOUT); + + + //Handle E404 part + double parameterE404RealValue = 0.0; + String parameterE404Value = parameterList.get(PARAMETER_NAME_E404); + if (parameterE404Value != null) { + try { + parameterE404RealValue = Double.valueOf(parameterE404Value); + } catch (NumberFormatException e) { + parameterE404RealValue = 0.0; + } + } + + return needError; + } + +} diff --git a/wilma-extras/random.error.generator/src/main/resources/randomErrorGeneratorStubConfigExample.xml b/wilma-extras/random.error.generator/src/main/resources/randomErrorGeneratorStubConfigExample.xml new file mode 100644 index 00000000..2927030b --- /dev/null +++ b/wilma-extras/random.error.generator/src/main/resources/randomErrorGeneratorStubConfigExample.xml @@ -0,0 +1,36 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +