use jsonencode, not template for config.ign

locals.tf

@@ -38,6 +38,34 @@ locals {
     "umount /mnt"
   ]
 
+  ignition_config = jsonencode({
+    ignition = {
+      version = "3.0.0"
+    }
+    passwd = {
+      users = [{
+        name              = "root"
+        sshAuthorizedKeys = [local.ssh_public_key]
+      }]
+    }
+    storage = {
+      files = [
+        {
+          path      = "/etc/sysconfig/network/ifcfg-eth1"
+          mode      = 420
+          overwrite = true
+          contents  = { "source" = "data:,BOOTPROTO%3D%27dhcp%27%0ASTARTMODE%3D%27auto%27" }
+        },
+        {
+          path      = "/etc/ssh/sshd_config.d/kube-hetzner.conf"
+          mode      = 420
+          overwrite = true
+          contents  = { "source" = "data:,PasswordAuthentication%20no%0AX11Forwarding%20no%0AMaxAuthTries%202%0AAllowTcpForwarding%20no%0AAllowAgentForwarding%20no%0AAuthorizedKeysFile%20.ssh%2Fauthorized_keys" }
+        }
+      ]
+    }
+  })
+
   combustion_script = <<EOF
 #!/bin/bash
 # combustion: network
@@ -60,4 +88,5 @@ udevadm settle
   install_k3s_server = concat(local.common_commands_install_k3s, ["curl -sfL https://get.k3s.io | INSTALL_K3S_SKIP_SELINUX_RPM=true INSTALL_K3S_SKIP_START=true INSTALL_K3S_EXEC=server sh -"])
 
   install_k3s_agent = concat(local.common_commands_install_k3s, ["curl -sfL https://get.k3s.io | INSTALL_K3S_SKIP_SELINUX_RPM=true INSTALL_K3S_EXEC=agent sh -"])
+
 }