Add user config and Docker test

Author: debovema

cloud-init-user-data

@@ -1,12 +1,27 @@
 #cloud-config
 
+# users and groups
+#groups:
+#  - docker
+
+users:
+  - default
+  - name: ${user}
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    shell: /bin/zsh
+    groups: docker
+
+disable_root: true
+
+# packages
 package_update: true
 package_upgrade: true
 
 packages:
   - curl
   - docker-ce
   - git
+  - sudo
   - zsh
 
 apt:
@@ -17,14 +32,23 @@ apt:
       keyid: 0EBFCD88
 
 runcmd:
-# install Oh My ZSH
+# copy authorized SSH keys for the created user
+  - 'mkdir -p /home/${user}/.ssh'
+  - 'cp /root/.ssh/authorized_keys /home/${user}/.ssh/authorized_keys'
+  - 'chown ${user}:root /home/${user}/.ssh/authorized_keys'
+# install Oh My ZSH for root
   - 'git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git /root/.oh-my-zsh'
   - 'cp /root/.oh-my-zsh/templates/zshrc.zsh-template /root/.zshrc'
   - 'sed -i "s/ZSH_THEME=\".*\"/ZSH_THEME=\"ys\"/" /root/.zshrc'
   - 'chsh -s /usr/bin/zsh'
+# install Oh My ZSH for user
+  - 'runuser -l ${user} -c "git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git /home/${user}/.oh-my-zsh"'
+  - 'runuser -l ${user} -c "cp /home/${user}/.oh-my-zsh/templates/zshrc.zsh-template /home/${user}/.zshrc"'
+  - 'sed -i "s/ZSH_THEME=\".*\"/ZSH_THEME=\"ys\"/" /home/${user}/.zshrc'
 
 power_state:
-  delay: "now"
+  delay: "+1"
+  timeout: 0
   mode: reboot
   message: Reboot after system upgrade
   condition: True

main.tf

@@ -14,20 +14,41 @@ resource "scaleway_server" "node" {
   type                = "${var.server_type}"
   dynamic_ip_required = true
   boot_type           = "local"
+
+  # initialization sequence
+  cloudinit           = "${data.template_file.userdata.rendered}"
+  provisioner "remote-exec" {
+    inline = ["while [ ! -f /var/lib/cloud/instance/boot-finished ]; do echo 'waiting for cloud-init initialization'; sleep 10; done;"]
+  }
+  provisioner "local-exec" {
+    command = "sleep 80" # wait more than 1 minute for the instance to be rebooted
+  }
+
 }
 
 data "template_file" "userdata" {
   template = "${file("${path.module}/cloud-init-user-data")}"
 
   vars {
-    distrib  = "${var.docker_distrib}"
     codename = "${var.docker_distrib_codename}"
+    distrib  = "${var.docker_distrib}"
+    user     = "${var.username}"
   }
 }
 
-resource "scaleway_user_data" "ud" {
-  count  = "${var.node_count}"
-  server = "${element(scaleway_server.node.*.id, count.index)}"
-  key    = "cloud-init"
-  value  = "${data.template_file.userdata.rendered}"
+resource "null_resource" "node" {
+  count = "${var.node_count}"
+
+  connection {
+    host = "${element(scaleway_server.node.*.public_ip, count.index)}"
+    user = "${var.username}"
+  }
+
+  provisioner "remote-exec" {
+    inline = [
+      "mkdir -p ~/www",
+      "echo 'It works' > ~/www/index.html",
+      "docker run --name http-nginx --restart=always -v ~/www:/usr/share/nginx/html:ro -p 80:80 -d nginx"
+    ]
+  }
 }

variables.tf

@@ -23,6 +23,11 @@ variable "server_type" {
   default = "START1-S"
 }
 
+variable "username" {
+  type    = "string"
+  default = "user"
+}
+
 variable "docker_distrib" {
   type    = "string"
   default = "ubuntu"