Gradle-SSH-Plugin Kotlin配置：自定义knownHosts路径失效问题

在Kotlin DSL（build.gradle.kts）中配置gradle-ssh-plugin时，你之前的写法存在关键问题：在delegateClosureOf闭包内返回mapOf并不会实际设置插件的配置属性，而是需要直接对闭包内的配置对象赋值。

以下是两种正确的配置方式，可实现将knownHosts指向Git仓库内的自定义文件：

方式一：全局配置ssh设置 #

tasks.create("deploy") {
    val myServer = Remote(
        mapOf(
            "host" to "192.168.1.1",
            "user" to "username",
            "password" to "password"
        )
    )

    // 全局配置knownHosts路径
    ssh.settings {
        knownHosts = project.rootDir.resolve("path/to/your/known_hosts").absoluteFile
    }

    doLast {
        ssh.run {
            session(myServer) {
                put(from = project.rootDir.resolve("deploy"), into = "/home/username/")
            }
        }
    }
}

方式二：在run块内配置单次会话的settings #

tasks.create("deploy") {
    val myServer = Remote(
        mapOf(
            "host" to "192.168.1.1",
            "user" to "username",
            "password" to "password"
        )
    )

    doLast {
        ssh.run {
            // 针对本次run配置knownHosts
            settings {
                knownHosts = project.file("path/to/your/known_hosts").absoluteFile
            }
            session(myServer) {
                put(from = project.rootDir.resolve("deploy"), into = "/home/username/")
            }
        }
    }
}

关键注意事项 #

• 替换path/to/your/known_hosts为仓库内实际的文件路径，确保文件存在且权限正确（建议权限为644）
• 使用project.rootDir.resolve()或project.file()可以确保路径基于项目根目录，避免相对路径的歧义
• 如果需要跳过主机密钥验证（仅测试环境使用），可以设置knownHosts = AllowAnyHosts.instance，但生产环境不建议这么做

内容的提问来源于stack exchange，提问作者aminator