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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.regex.Pattern;
public class AddYumRepoTask implements Task {
private static final Pattern REPOSITORY_ID_PATTERN = Pattern.compile("^[a-zA-Z_-]+$");
private final String repositoryId; // e.g. "platform_rpms-latest"
private final String name; // e.g. "Platform RPM Latest Repo"
private final String baseurl;
private final boolean enabled;
public AddYumRepoTask(String repositoryId,
String name,
String baseurl,
boolean enabled) {
this.repositoryId = repositoryId;
this.name = name;
this.baseurl = baseurl;
this.enabled = enabled;
validateRepositoryId(repositoryId);
}
@Override
public boolean execute(TaskContext context) {
Path path = Paths.get("/etc/yum.repos.d",repositoryId + ".repo");
if (context.getFileSystem().isRegularFile(path)) {
return false;
}
WriteFileTask writeFileTask = new WriteFileTask(path, this::getRepoFileContent)
.withOwner("root")
.withGroup("root")
.withPermissions("rw-r--r--");
return context.executeSubtask(writeFileTask);
}
String getRepoFileContent() {
return String.join("\n",
"# This file was generated by node admin",
"# Do NOT modify this file by hand",
"",
"[" + repositoryId + "]",
"name=" + name,
"baseurl=" + baseurl,
"enabled=" + (enabled ? 1 : 0),
"gpgcheck=0"
) + "\n";
}
static void validateRepositoryId(String repositoryId) {
if (!REPOSITORY_ID_PATTERN.matcher(repositoryId).matches()) {
throw new IllegalArgumentException("Invalid repository ID '" + repositoryId + "'");
}
}
}
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