Add new scenario for vifib without re6st

This will be useful to setup machines where we already have IPv6 (for
example, VM with IPv6 coming from the host).

playbook/roles/re6stnet/tasks/main.yml

@@ -41,6 +41,14 @@
     copy: src=/etc/systemd/re6stnet.service dest=/etc/systemd/system/re6stnet.service
     when: ansible_distribution == 'CentOS' and ansible_distribution_version >= '7' and re6stnet.stat.exists == True and re6stnode.stat.exists == False
 
+  - name: Check if ip6tables check script is present
+    stat: path=/usr/bin/re6stnet-ip6tables-check
+    register: ip6tables_check
+
+  - name: Run re6stnet-ip6tables-check
+    shell: /usr/bin/re6stnet-ip6tables-check
+    when: ip6tables_check.stat.exists == True
+
   - include: daemon.yml
     
   - name: Create centos 6 init.d missing file

playbook/roles/vifib-server/tasks/main.yml

@@ -23,22 +23,6 @@
   - include: kvm.yml
   - include: shuttle-modprobe.yml
 
-  - name: Check if re6stnet is configured
-    stat: path=/etc/re6stnet/re6stnet.conf
-    register: re6stnet_conf
-
-  - name: Check if ip6tables check script is present
-    stat: path=/usr/bin/re6stnet-ip6tables-check
-    register: ip6tables_check
-
-  - name: Run re6stnet-ip6tables-check
-    shell: /usr/bin/re6stnet-ip6tables-check
-    when: ip6tables_check.stat.exists == True
-
-  - name: Start re6st-node service if not started
-    service: name=re6stnet state=started enabled=yes
-    when: re6stnet_conf.stat.exists == True
-
   - name: Increase ulimit
     shell: echo "TODO"
 

playbook/roles/vifib-upgrade/meta/main.yml

@@ -13,7 +13,6 @@ dependencies:
   - { role: package, package_name: slapos-node, package_state: latest }
   - { role: package, package_name: re6st-node, package_state: latest }
   - { role: package, package_name: apt, package_state: latest }
-  - { role: re6stnet }
   - { role: etckeeper }
   - { role: vifib-team-ssh-key }
   - { role: vifib-server }

playbook/vifib-without-re6stnet.yml

+- name: a play that runs entirely on the ansible host
+  hosts: 127.0.0.1
+  connection: local
+
+  vars:
+    - upgrader_playbook: vifib-upgrade.yml
+
+  vars_files:
+    - settings/vifib.yml
+    - settings/upgrader.yml
+    - settings/slapos-master.yml
+
+  vars_prompt:
+    - name: "computer_name"
+      prompt: "What is this computer name?  (ignore if you already have a configured re6st and slapos):"
+      private: no
+      default: "noname"
+
+    - name: "slapostoken"
+      prompt: "If you have slapos token if you have (ignore if you already have a configured slapos):"
+      private: no
+      default: "notoken"
+
+  roles:
+    - { role: slapos, package_state: present } 
+    - { role: package, package_name: ntp, package_state: present }
+    - vifib-team-ssh-key
+    - upgrader
+    - vifib-server