Initial commit

.gitignore

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+/.idea/

composer.json

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+{
+}

docker-decompose.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

docker-decompose.php

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+#!/usr/bin/php
+<?php
+const COMPOSE_FILE = "docker-compose.yml";
+const COMPOSE_BINARY = "docker-compose";
+function cin($trim = true, $lower = true)
+{
+    $input = fgets(STDIN);
+    if ($trim) {
+        $input = trim($input);
+    }
+    if ($lower) {
+        $input = strtolower($input);
+    }
+    return $input;
+}
+
+function println($w)
+{
+    echo $w . "\n";
+}
+
+class DecomposerApp
+{
+
+
+    /**
+     * @var false|string
+     */
+    private $root;
+
+    public function __construct()
+    {
+        $this->checkBinary();
+        $this->root = getcwd();
+        println("Working in directory: " . $this->root);
+
+        $this->checkComposeFile();
+
+        $existing = false;
+
+        if ($this->checkRunningContainers()) {
+            $existing = true;
+            println("There are existing containers. Do you want to export them? [y/n]");
+
+            if (cin() != "y") {
+                println("Canceling...");
+                return;
+            }
+        } else {
+            $this->startContainers();
+        }
+
+        if ($this->checkRunningContainers() && count($this->containerNames) > 0) {
+            println("Exporting " . count($this->containerNames) . " images...");
+            foreach ($this->containerNames as $name) {
+                $this->exportContainer($name);
+            }
+        } else {
+            throw new RuntimeException("Something went wrong. There is no containers detected.");
+        }
+
+        if($existing){
+            println("Do you want to remove running containers? [y/n]");
+            if (cin() == "y") {
+                $this->removeContainers();
+            }
+        }else{
+            $this->removeContainers();
+        }
+
+
+
+        println("Done");
+    }
+
+    function startContainers()
+    {
+        println("Starting containers...");
+        println(shell_exec("docker-compose up -d"));
+    }
+
+    function exportContainer($name)
+    {
+        println("Creating image of " . $name . "...");
+        println(shell_exec("docker commit " . $name . " " . $name));
+        println("Exporting image to file...");
+        println(shell_exec("docker save -o " . $name . ".tar " . $name . ":latest"));
+        println("Removing image...");
+        println(shell_exec("docker image rm " . $name . ":latest"));
+
+        if (!file_exists($name . ".tar")) {
+            throw new RuntimeException("Unable to find output image file");
+        }
+    }
+
+    function removeContainers()
+    {
+        println("Removing containers...");
+        println(shell_exec("docker-compose down -v --remove-orphans"));
+    }
+
+    function checkBinary()
+    {
+        $compose = @shell_exec("which " . COMPOSE_BINARY);
+
+        if (!file_exists(trim($compose))) {
+            throw new RuntimeException(COMPOSE_BINARY . " binary was not found in PATH");
+        }
+    }
+
+    function checkComposeFile()
+    {
+        if (!file_exists($this->root . "/" . COMPOSE_FILE)) {
+            throw new RuntimeException(COMPOSE_FILE . " was not found in " . $this->root);
+        }
+    }
+
+    function checkRunningContainers(): bool
+    {
+        $running_data = @shell_exec("docker-compose ps");
+        $running_data = explode("\n", trim($running_data));
+
+        if (count($running_data) > 2) {
+            $this->containerNames = [];
+            for ($i = 2; $i < count($running_data); $i++) {
+                $parts = explode(" ", $running_data[$i], 2);
+                $this->containerNames[] = $parts[0];
+            }
+            foreach ($running_data as $row) {
+                println(trim($row));
+            }
+            return true;
+        }
+
+        return false;
+    }
+
+    private $containerNames = [];
+}
+
+
+try {
+    $app = new DecomposerApp();
+
+
+} catch (Exception $e) {
+    echo "Error: " . $e->getMessage() . "\n";
+    exit(1);
+} finally {
+    echo "\n";
+}
+