feat: initial power command implementation

Author: metacosm

cli/pom.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>net.laprun.sustainability</groupId>
+    <artifactId>power-server-parent</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>power-server-cli</artifactId>
+  <name>power-server : cli</name>
+  <description>A CLI command to measure power consumption of the specified process</description>
+  <dependencies>
+    <dependency>
+      <groupId>net.laprun.sustainability</groupId>
+      <artifactId>power-server-backend</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.quarkus</groupId>
+      <artifactId>quarkus-picocli</artifactId>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>net.revelc.code.formatter</groupId>
+        <artifactId>formatter-maven-plugin</artifactId>
+        <configuration>
+          <configFile>../contributing/eclipse-format.xml</configFile>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

cli/src/main/java/net/laprun/sustainability/cli/Power.java

@@ -0,0 +1,38 @@
+package net.laprun.sustainability.cli;
+
+import java.util.List;
+
+import net.laprun.sustainability.power.PowerMeasurer;
+import picocli.CommandLine;
+
+@CommandLine.Command
+public class Power implements Runnable {
+
+    @CommandLine.Parameters(hidden = true)
+    List<String> cmd;
+
+    @CommandLine.Option(names = { "-n",
+            "--name" }, description = "Optional name for the application, defaults to passed command line")
+    String name;
+
+    private final PowerMeasurer measurer;
+
+    public Power(PowerMeasurer measurer) {
+        this.measurer = measurer;
+    }
+
+    @Override
+    public void run() {
+        final var command = new ProcessBuilder().command(cmd);
+        final var start = System.nanoTime();
+        try {
+            final var process = command.start();
+            var duration = System.nanoTime() - start;
+            System.out.println("start duration: " + duration);
+            final var processTracker = measurer.startTrackingProcess(process);
+            process.onExit().thenAccept(unused -> processTracker.cancel());
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

cli/src/main/resources/application.properties

@@ -0,0 +1,9 @@
+quarkus.datasource.jdbc.url=jdbc:sqlite:${power-server.db.backup.location}
+quarkus.datasource.db-kind=sqlite
+quarkus.datasource.jdbc.min-size=1
+
+power-server.db.backup.period=5m
+power-server.db.backup.location=${HOME}/.power-server/db.sqlite
+
+# Only use this property once to create the initial database
+# quarkus.hibernate-orm.database.generation=create

pom.xml

@@ -74,6 +74,7 @@
         <module>backend</module>
         <module>analysis</module>
         <module>server</module>
+        <module>cli</module>
         <module>if-manifest-export</module>
     </modules>