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0 parent commit eea229344e8d589b69f591fe9f1573a15f2f4d78 yhornisse authored on 29 Apr 2021

Showing 10 changed files

• README.md
• build.gradle
• gradle/wrapper/gradle-wrapper.jar
• gradle/wrapper/gradle-wrapper.properties
• gradlew
• gradlew.bat
• settings.gradle
• src/main/java/com/sample/SampleApplication.java
• src/main/java/com/sample/config/PrometheusMeterRegistryConfig.java
• src/main/java/com/sample/controller/SampleController.java

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# ビルド ``` $ ./gradlew bootJar ``` # 起動 - 起動 ``` $ ./gradlew bootRun ``` - jar起動 ``` $ java -jar build/libs/sample-prometheus2-0.0.1.jar ``` # サンプルアクセス ``` $ curl http://localhost:8080/sample/prometheus # HELP jvm_threads_live_threads The current number of live threads including both daemon and non-daemon threads # TYPE jvm_threads_live_threads gauge jvm_threads_live_threads 22.0 # HELP jvm_memory_used_bytes The amount of used memory # TYPE jvm_memory_used_bytes gauge jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'",} 8742272.0 jvm_memory_used_bytes{area="heap",id="G1 Survivor Space",} 3145728.0 jvm_memory_used_bytes{area="heap",id="G1 Old Gen",} 1.2854272E7 jvm_memory_used_bytes{area="nonheap",id="Metaspace",} 3.3786E7 jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'",} 1204352.0 jvm_memory_used_bytes{area="heap",id="G1 Eden Space",} 4.6137344E7 jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space",} 4205320.0 jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'",} 1915904.0 # HELP jvm_gc_live_data_size_bytes Size of old generation memory pool after a full GC # TYPE jvm_gc_live_data_size_bytes gauge jvm_gc_live_data_size_bytes 0.0 # HELP process_cpu_usage The "recent cpu usage" for the Java Virtual Machine process # TYPE process_cpu_usage gauge process_cpu_usage 2.835786502333907E-5 # HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use # TYPE jvm_memory_committed_bytes gauge jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'",} 8781824.0 jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space",} 3145728.0 jvm_memory_committed_bytes{area="heap",id="G1 Old Gen",} 6.9206016E7 jvm_memory_committed_bytes{area="nonheap",id="Metaspace",} 3.4992128E7 jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'",} 2555904.0 jvm_memory_committed_bytes{area="heap",id="G1 Eden Space",} 7.86432E7 jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space",} 4583424.0 jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'",} 2555904.0 # HELP system_cpu_count The number of processors available to the Java virtual machine # TYPE system_cpu_count gauge system_cpu_count 8.0 # HELP system_cpu_usage The "recent cpu usage" for the whole system # TYPE system_cpu_usage gauge system_cpu_usage 0.05407801959665777 # HELP jvm_gc_memory_allocated_bytes_total Incremented for an increase in the size of the young generation memory pool after one GC to before the next # TYPE jvm_gc_memory_allocated_bytes_total counter jvm_gc_memory_allocated_bytes_total 0.0 # HELP jvm_buffer_total_capacity_bytes An estimate of the total capacity of the buffers in this pool # TYPE jvm_buffer_total_capacity_bytes gauge jvm_buffer_total_capacity_bytes{id="mapped",} 0.0 jvm_buffer_total_capacity_bytes{id="direct",} 8192.0 # HELP jvm_threads_states_threads The current number of threads having NEW state # TYPE jvm_threads_states_threads gauge jvm_threads_states_threads{state="runnable",} 8.0 jvm_threads_states_threads{state="blocked",} 0.0 jvm_threads_states_threads{state="waiting",} 10.0 jvm_threads_states_threads{state="timed-waiting",} 4.0 jvm_threads_states_threads{state="new",} 0.0 jvm_threads_states_threads{state="terminated",} 0.0 # HELP jvm_gc_memory_promoted_bytes_total Count of positive increases in the size of the old generation memory pool before GC to after GC # TYPE jvm_gc_memory_promoted_bytes_total counter jvm_gc_memory_promoted_bytes_total 0.0 # HELP jvm_threads_daemon_threads The current number of live daemon threads # TYPE jvm_threads_daemon_threads gauge jvm_threads_daemon_threads 20.0 # HELP system_load_average_1m The sum of the number of runnable entities queued to available processors and the number of runnable entities running on the available processors averaged over a period of time # TYPE system_load_average_1m gauge system_load_average_1m 0.42 # HELP jvm_threads_peak_threads The peak live thread count since the Java virtual machine started or peak was reset # TYPE jvm_threads_peak_threads gauge jvm_threads_peak_threads 22.0 # HELP logback_events_total Number of error level events that made it to the logs # TYPE logback_events_total counter logback_events_total{level="warn",} 0.0 logback_events_total{level="debug",} 0.0 logback_events_total{level="error",} 0.0 logback_events_total{level="trace",} 0.0 logback_events_total{level="info",} 6.0 # HELP hoge_counter_total # TYPE hoge_counter_total counter hoge_counter_total{group="A",sub_group="B",} 0.0 # HELP jvm_gc_max_data_size_bytes Max size of old generation memory pool # TYPE jvm_gc_max_data_size_bytes gauge jvm_gc_max_data_size_bytes 0.0 # HELP jvm_memory_max_bytes The maximum amount of memory in bytes that can be used for memory management # TYPE jvm_memory_max_bytes gauge jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'",} 1.22908672E8 jvm_memory_max_bytes{area="heap",id="G1 Survivor Space",} -1.0 jvm_memory_max_bytes{area="heap",id="G1 Old Gen",} 4.143972352E9 jvm_memory_max_bytes{area="nonheap",id="Metaspace",} -1.0 jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-nmethods'",} 5836800.0 jvm_memory_max_bytes{area="heap",id="G1 Eden Space",} -1.0 jvm_memory_max_bytes{area="nonheap",id="Compressed Class Space",} 1.073741824E9 jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'",} 1.22912768E8 # HELP jvm_buffer_memory_used_bytes An estimate of the memory that the Java virtual machine is using for this buffer pool # TYPE jvm_buffer_memory_used_bytes gauge jvm_buffer_memory_used_bytes{id="mapped",} 0.0 jvm_buffer_memory_used_bytes{id="direct",} 8192.0 # HELP jvm_buffer_count_buffers An estimate of the number of buffers in the pool # TYPE jvm_buffer_count_buffers gauge jvm_buffer_count_buffers{id="mapped",} 0.0 jvm_buffer_count_buffers{id="direct",} 1.0 ```

Ignore Space Show notes View build.gradle 0 → 100644

buildscript { repositories { mavenCentral() } dependencies { classpath("org.springframework.boot:spring-boot-gradle-plugin:2.1.0.RELEASE") } } plugins { id 'java' id 'org.springframework.boot' version '2.1.0.RELEASE' id 'io.spring.dependency-management' version '1.0.8.RELEASE' } group = 'com.sample' version = '0.0.1' repositories { mavenCentral() } dependencies { implementation 'org.springframework.boot:spring-boot-starter-web:2.1.0.RELEASE' implementation 'io.micrometer:micrometer-registry-prometheus:1.3.7' compileOnly 'org.projectlombok:lombok:1.18.12' annotationProcessor 'org.projectlombok:lombok:1.18.12' } jar { manifest { attributes 'Main-Class': 'com.sample.SampleApplication' } }

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Not supported

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#Sat May 02 18:34:08 JST 2020 distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-all.zip distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists zipStorePath=wrapper/dists zipStoreBase=GRADLE_USER_HOME

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#!/usr/bin/env sh ############################################################################## ## ## 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 "$0"` # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. DEFAULT_JVM_OPTS='"-Xmx64m"' # Use the maximum available, or set MAX_FD != -1 to use that value. MAX_FD="maximum" warn () { echo "$*" } 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 # Escape application args save () { for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done echo " " } APP_ARGS=$(save "$@") # Collect all arguments for the java command, following the shell quoting and substitution rules eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then cd "$(dirname "$0")" fi exec "$JAVACMD" "$@"

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@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="-Xmx64m" @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 :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=%* :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

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rootProject.name = 'sample-prometheus2'

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package com.sample; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class SampleApplication { public static void main(String[] args) { SpringApplication.run(SampleApplication.class, args); } }

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package com.sample.config; import io.micrometer.core.instrument.binder.jvm.JvmGcMetrics; import io.micrometer.core.instrument.binder.jvm.JvmMemoryMetrics; import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics; import io.micrometer.core.instrument.binder.logging.LogbackMetrics; import io.micrometer.core.instrument.binder.system.ProcessorMetrics; import io.micrometer.core.instrument.composite.CompositeMeterRegistry; import io.micrometer.core.instrument.config.MeterFilter; import io.micrometer.prometheus.PrometheusConfig; import io.micrometer.prometheus.PrometheusMeterRegistry; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import java.util.List; @Configuration public class PrometheusMeterRegistryConfig { @Bean PrometheusMeterRegistry prometheusMeterRegistry() { final var prometheusMeterRegistry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT); final var meterRegistry = new CompositeMeterRegistry(); meterRegistry.config().meterFilter(MeterFilter.denyNameStartsWith("http.server.requests")); meterRegistry.add(prometheusMeterRegistry); List.of(new JvmGcMetrics(), new JvmMemoryMetrics(), new JvmThreadMetrics(), new ProcessorMetrics(), new LogbackMetrics()).forEach(x -> x.bindTo(meterRegistry)); return prometheusMeterRegistry; } }

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package com.sample.controller; import io.micrometer.core.instrument.Counter; import io.micrometer.prometheus.PrometheusMeterRegistry; import io.prometheus.client.exporter.common.TextFormat; import lombok.Builder; import lombok.Data; import org.springframework.http.HttpHeaders; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController @RequestMapping("/sample") public class SampleController { private final PrometheusMeterRegistry prometheusMeterRegistry; private final Counter helloCounter; public SampleController(PrometheusMeterRegistry prometheusMeterRegistry) { this.prometheusMeterRegistry = prometheusMeterRegistry; helloCounter = prometheusMeterRegistry.counter("hoge.counter", "group", "A", "sub-group", "B"); } @GetMapping("/prometheus") public ResponseEntity<String> prometheus() { return ResponseEntity.ok() .header(HttpHeaders.CONTENT_TYPE, TextFormat.CONTENT_TYPE_004) .body(prometheusMeterRegistry.scrape()); } @GetMapping("/hello") public SampleDto hello() { helloCounter.increment(); return SampleDto.builder().msg("hello").build(); } @Builder @Data private static class SampleDto { private String msg; } }

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