Fix failures on travis

Vagrantfile

@@ -22,7 +22,7 @@ Vagrant.configure("2") do |config|
     { :name => "docker-debian-jessie-backports", :docker => "hanxhx/vagrant-ansible:debian8", :vars => { "nginx_php56": true,  "nginx_php70": false, "dotdeb": false, "nginx_backports": true  }},
     { :name => "docker-debian-jessie-dotdeb", :docker => "hanxhx/vagrant-ansible:debian8", :vars => { "nginx_php56": true,  "nginx_php70": true,  "dotdeb": true,  "nginx_backports": false }},
     { :name => "docker-debian-stretch", :docker => "hanxhx/vagrant-ansible:debian9", :vars => { "nginx_php56": false, "nginx_php70": true,  "dotdeb": false, "nginx_backports": false }},
-    { :name => "docker-debian-stretch-noht", :box => "debian/stretch64", :vars => { "nginx_php56": false, "nginx_php70": true,  "dotdeb": false, "nginx_backports": false, nginx_htpasswd: [] }}
+    { :name => "docker-debian-stretch-noht", :docker => "hanxhx/vagrant-ansible:debian9", :vars => { "nginx_php56": false, "nginx_php70": true,  "dotdeb": false, "nginx_backports": false, nginx_htpasswd: [] }}
   ]
 
   config.vm.network "private_network", type: "dhcp"

tasks/install_Debian.yml

@@ -4,7 +4,7 @@
   fail:
     msg: "This ansible version ({{ ansible_version.full}}) is not compatible with your needs (Debian Stretch + htpasswd). Please see https://github.com/HanXHX/ansible-nginx/issues/28"
   when:
-    ansible_distribution_major_version >= 9 and
+    ansible_distribution_major_version | version_compare('9', 'ge') and
     ansible_version.full | version_compare('2.3.2', 'lt') and
     nginx_htpasswd | length > 0
 

tests/includes/post_Debian.yml

@@ -13,7 +13,7 @@
   apt:
     pkg: nagios3
     state: present
-  when: ansible_distribution_major_version < 9
+  when: ansible_distribution_major_version | version_compare('9', 'lt')
 
 - name: SERVICE | Ensure backuppc is started
   service: name=backuppc state=started

tests/test.yml

@@ -378,7 +378,7 @@
         register: nagios_cgi
         failed_when: nagios_cgi.stdout.find('Nagios Event Summary') == -1
 
-      when: ansible_distribution_major_version < 9
+      when: ansible_distribution_major_version | version_compare('9', 'lt') 
 
 # --------------------------------
 # Owncloud