3 files changed, 20 insertions, 0 deletions
diff --git a/lib/leap_cli.rb b/lib/leap_cli.rb
index 5ed5033..cc9ec69 100644
--- a/lib/leap_cli.rb
+++ b/lib/leap_cli.rb
@@ -1,6 +1,7 @@
 module LeapCli; end
 
 require 'leap_cli/version.rb'
+require 'leap_cli/requirements.rb'
 require 'core_ext/hash'
 require 'core_ext/boolean'
 require 'core_ext/nil'
diff --git a/lib/leap_cli/commands/pre.rb b/lib/leap_cli/commands/pre.rb
index a15a628..b1df5cd 100644
--- a/lib/leap_cli/commands/pre.rb
+++ b/lib/leap_cli/commands/pre.rb
@@ -40,6 +40,14 @@ module LeapCli
       else
         bail!("Could not find the root directory. Change current working directory or try --root")
       end
+
+      #
+      # check requirements
+      #
+      REQUIREMENTS.each do |key|
+        assert_config! key
+      end
+
     end
 
   end
diff --git a/lib/leap_cli/requirements.rb b/lib/leap_cli/requirements.rb
new file mode 100644
index 0000000..ad4fb21
--- /dev/null
+++ b/lib/leap_cli/requirements.rb
@@ -0,0 +1,11 @@
+# run 'rake update-requirements' to generate this file.
+module LeapCli
+  REQUIREMENTS = [
+    "provider.ca.name",
+    "provider.ca.bit_size",
+    "provider.ca.life_span",
+    "provider.ca.server_certificates.bit_size",
+    "provider.ca.server_certificates.life_span",
+    "provider.vagrant.network"
+  ]
+end