From c31d115ea5a3ab47f5f8b76d394fce2e1e02d9b1 Mon Sep 17 00:00:00 2001
From: az <ansgar.zwick@meissa-gmbh.de>
Date: Thu, 25 Nov 2021 11:09:26 +0100
Subject: [PATCH] v0.8.22-SNAPSHOT add k3s

---
 build.gradle                                  |  2 +-
 .../extensions/server_software/k3s/K3s.kt     | 55 +++++++++++++++++++
 2 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 src/main/kotlin/org/domaindrivenarchitecture/provs/extensions/server_software/k3s/K3s.kt

diff --git a/build.gradle b/build.gradle
index 68d6f6a..b45e326 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ apply plugin: 'kotlinx-serialization'
 
 
 group = 'org.domaindrivenarchitecture.provs'
-version = '0.8.21'
+version = '0.8.22-SNAPSHOT'
 
 repositories {
     mavenCentral()
diff --git a/src/main/kotlin/org/domaindrivenarchitecture/provs/extensions/server_software/k3s/K3s.kt b/src/main/kotlin/org/domaindrivenarchitecture/provs/extensions/server_software/k3s/K3s.kt
new file mode 100644
index 0000000..bce183d
--- /dev/null
+++ b/src/main/kotlin/org/domaindrivenarchitecture/provs/extensions/server_software/k3s/K3s.kt
@@ -0,0 +1,55 @@
+package org.domaindrivenarchitecture.provs.extensions.server_software.k3s
+
+import org.domaindrivenarchitecture.provs.core.Prov
+import org.domaindrivenarchitecture.provs.core.ProvResult
+import org.domaindrivenarchitecture.provs.core.remote
+import org.domaindrivenarchitecture.provs.ubuntu.install.base.aptInstall
+import org.domaindrivenarchitecture.provs.ubuntu.secret.secretSources.PromptSecretSource
+
+
+/**
+ * Installs a k3s server.
+ * If docker is true, then k3s will be installed with docker option and also docker will be installed (may conflict if docker is already existing).
+ * If host is specified, then tls (if configured) also applies to host.
+ */
+fun Prov.installK3sServer(docker: Boolean = false, host: String? = null) = def {
+    val tls = host?.let { "INSTALL_K3S_EXEC=\"--tls-san ${it}\"" } ?: ""
+    aptInstall("curl")
+    if (!chk("k3s -version")) {
+        if (docker) {
+            // might not work if docker already installed
+            sh("""
+                curl https://releases.rancher.com/install-docker/19.03.sh | sh
+                curl -sfL https://get.k3s.io | sh -s - --docker
+            """.trimIndent())
+        } else {
+            cmd("curl -sfL https://get.k3s.io | $tls sh -")
+        }
+    } else {
+        ProvResult(true)
+    }
+}
+
+
+fun Prov.uninstallK3sServer() = def {
+    cmd("sudo /usr/local/bin/k3s-uninstall.sh")
+}
+
+
+fun main() {
+
+    val host = "192.168.56.123"
+    val remoteUser = "remoteUsername"
+    val passwordK3sUser = PromptSecretSource("Enter Password").secret()
+
+    remote(host, remoteUser, passwordK3sUser).def {
+
+        val result = installK3sServer()
+
+        // print pods for information purpose
+        println(cmd("sudo k3s kubectl get pods --all-namespaces").out)
+
+        // return result of installation
+        result
+    }
+}
\ No newline at end of file