prepare dual-stack

.run/provs-server.run.xml

@@ -0,0 +1,11 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="provs-server" type="JetRunConfigurationType">
+    <option name="MAIN_CLASS_NAME" value="org.domaindrivenarchitecture.provs.server.application.ApplicationKt" />
+    <module name="provs.main" />
+    <option name="PROGRAM_PARAMETERS" value="k3s -r statistics.test.meissa-gmbh.de -u root -k" />
+    <shortenClasspath name="NONE" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

src/main/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/K3s.kt

@@ -2,8 +2,17 @@ package org.domaindrivenarchitecture.provs.server.infrastructure
 
 import org.domaindrivenarchitecture.provs.framework.core.Prov
 import org.domaindrivenarchitecture.provs.framework.core.ProvResult
-import org.domaindrivenarchitecture.provs.framework.core.echoCommandForText
-import org.domaindrivenarchitecture.provs.framework.ubuntu.install.base.aptInstall
+import org.domaindrivenarchitecture.provs.framework.ubuntu.filesystem.base.createDirs
+import org.domaindrivenarchitecture.provs.framework.ubuntu.filesystem.base.createFileFromResourceTemplate
+import org.domaindrivenarchitecture.provs.framework.ubuntu.filesystem.base.fileExists
+
+// TODO: jem - 2022.01.24 - these are global vars without scope / ns !
+val k3sConfigFile = "/etc/rancher/k3s/config.yaml"
+val k3sResourcePath = "org/domaindrivenarchitecture/provs/infrastructure/k3s/"
+
+fun Prov.testConfigExists(): Boolean {
+    return fileExists(k3sConfigFile)
+}
 
 /**
  * Installs a k3s server.
@@ -11,30 +20,52 @@ import org.domaindrivenarchitecture.provs.framework.ubuntu.install.base.aptInsta
  * If tlsHost is specified, then tls (if configured) also applies to the specified host.
  */
 fun Prov.provisionK3sInfra(docker: Boolean = false, tlsHost: String? = null, options: String? = null) = task {
-    val tlsSanOption = tlsHost?.let { "--tls-san ${it}" } ?: ""
-
-    val k3sAllOptions = if (tlsHost == null && options == null)
-        ""
-    else
-        "INSTALL_K3S_EXEC=\"$tlsSanOption ${options ?: ""}\""
-
-    aptInstall("curl")
-    if (!chk("k3s -version")) {
-        if (docker) {
-            // might not work if docker already installed
-            sh("""
+    if (!testConfigExists()) {
+        createDirs("/etc/rancher/k3s/", sudo = true)
+        createFileFromResourceTemplate(
+            k3sConfigFile,
+            "config.yaml.template",
+            k3sResourcePath,
+            mapOf("loopback_ipv4" to "192.168.5.1", "loopback_ipv6" to "fc00::5:1",
+            "node_ipv4" to "159.69.176.151", "node_ipv6" to "2a01:4f8:c010:2f72::1"),
+            "644",
+            sudo = true
+        )
+        // TODO: verify the download !
+        //cmd("curl -sfL https://get.k3s.io | sh -")
+
+        /*
+
+        org/domaindrivenarchitecture/provs/infrastructure/k3s/config.yaml.template.template
+
+        val tlsSanOption = tlsHost?.let { "--tls-san ${it}" } ?: ""
+
+        val k3sAllOptions = if (tlsHost == null && options == null)
+            ""
+        else
+            "INSTALL_K3S_EXEC=\"$tlsSanOption ${options ?: ""}\""
+
+        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 | $k3sAllOptions sh -s - --docker
-            """.trimIndent())
-        } else {
-            cmd("curl -sfL https://get.k3s.io | $k3sAllOptions sh -")
+            """.trimIndent()
+                )
+            } else {
+                cmd("curl -sfL https://get.k3s.io | $k3sAllOptions sh -")
+            }
         }
+         */
     } else {
         ProvResult(true)
     }
 }
 
-
+/*
 @Suppress("unused")
 fun Prov.uninstallK3sServer() = task {
     cmd("sudo /usr/local/bin/k3s-uninstall.sh")
@@ -44,3 +75,4 @@ fun Prov.uninstallK3sServer() = task {
 fun Prov.applyK3sConfig(configAsYaml: String) = task {
     cmd(echoCommandForText(configAsYaml) + " | sudo k3s kubectl apply -f -")
 }
+*/

src/main/kotlin/org/domaindrivenarchitecture/provs/server/infrastructure/network.kt

@@ -18,7 +18,7 @@ fun Prov.provisionNetwork() = task {
             loopbackFile,
             "99-loopback.yaml.template",
             resourcePath,
-            mapOf("ip" to "192.168.5.1/32"),
+            mapOf("loopback_ipv4" to "192.168.5.1/32", "loopback_ipv6" to "fc00::5:1/128"),
             "644",
             sudo = true
         )

src/main/resources/org/domaindrivenarchitecture/provs/infrastructure/k3s/config.yaml.template

@@ -0,0 +1,14 @@
+etcd-disable-snapshots: true
+default-local-storage-path: /var
+flannel-backend: none
+disable-network-policy: true
+cluster-cidr:
+  - 10.42.0.0/16
+  - fd42::/48
+service-cidr:
+  - 10.43.0.0/16
+  - fd43::/112
+node-ip:
+  - ${node_ipv4}
+  - ${node_ipv6}
+bind-address: ${loopback_ipv4}

src/main/resources/org/domaindrivenarchitecture/provs/infrastructure/network/99-loopback.yaml.template

@@ -6,4 +6,5 @@ network:
       match:
         name: lo
       addresses:
-        - $ip
+        - ${loopback_ipv4}
+        - ${loopback_ipv6}