net.oneandone.stool.setup.DebianMainSetup Maven / Gradle / Ivy

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Stool's main component. Java Library, cli, setup code.
There is a newer version: 4.0.3
/**
 * Copyright 1&1 Internet AG, https://github.com/1and1/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.oneandone.stool.setup;

import net.oneandone.sushi.fs.file.FileNode;
import net.oneandone.sushi.util.Separator;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

public class DebianMainSetup extends Debian {
    public static void main(String[] args) throws IOException {
        int result;

        try (PrintWriter out = new PrintWriter(new FileOutputStream("/tmp/dpkg-stool.log", true))) {
            result = new DebianMainSetup(out).run(args);
        }
        System.exit(result);
    }

    //--

    private final String group;

    public DebianMainSetup(PrintWriter log) throws IOException {
        super(log);
        group = db_get("stool/group");
    }

    //--

    @Override
    public void preinstUpgrade(String version) throws IOException {
    }

    @Override
    public void postinstConfigure(String previous) throws IOException {
        setupGroup();
        for (String dir : new String[] {"logs", "run", "downloads", "backstages", "service-wrapper", "tomcat", "system" }) {
            setGroup(world.file("/usr/share/stool-3.4/" + dir));
        }
        log("setup service:\n" + slurp("update-rc.d", "stool", "defaults"));
        log("start service:\n" + slurp("service", "stool", "start"));
    }

    @Override
    public void postrmRemove() throws IOException {
        log(slurp("service", "stool", "stop"));
    }

    @Override
    public void postrmUpgrade() throws IOException {
        // TODO: prevent new stool invocations
    }

    @Override
    public void postrmPurge() throws IOException {
        exec("update-rc.d", "stool", "remove"); // Debian considers this a configuration file!?
    }

    //--

    private void setupGroup() throws IOException {
        List result;

        if (test("getent", "group", group)) {
            log("group: " + group + " (existing)");
        } else {
            result = new ArrayList<>();
            exec("groupadd", group);
            for (FileNode dir : world.file("/home/").list()) {
                if (dir.isDirectory()) {
                    String name = dir.getName();
                    if (test("id", "-u", name)) {
                        result.add(name);
                        exec("usermod", "-a", "-G", group, name);
                    }
                }
            }
            log("group: " + group + " (created with " + Separator.SPACE.join(result) + ")");
        }
    }

    private void setGroup(FileNode dir) throws IOException {
        exec("chgrp", "-R", group, dir.getAbsolute());
        // chgrp overwrites the permission - thus, i have to re-set permissions
        exec("chmod", "2775", dir.getAbsolute());
    }
}