lib/conjur/cli.rb in conjur-cli-4.28.2 vs lib/conjur/cli.rb in conjur-cli-4.29.0

@@ -47,10 +47,12 @@
   end
 
   class CLI
     extend GLI::App
 
+    @current_command = nil
+
     class << self
       def load_config
         Conjur::Config.load
       end
 
@@ -67,12 +69,11 @@
         super args
       end
 
       def load_plugins
         # These used to be plugins but now they are in the core CLI
-        plugins = Conjur::Config.plugins - %w(layer pubkeys)
-        
+        plugins = Conjur::Config.plugins - %w(audit-send host-factory layer pubkeys)
         plugins.each do |plugin|
           begin
             filename = "conjur-asset-#{plugin}"
             require filename
           rescue LoadError => err
@@ -90,10 +91,23 @@
         load_config
         apply_config
         load_plugins
         commands_from 'conjur/command'
       end
+
+      def appliance_version
+        Conjur::API.service_version 'appliance'
+      rescue
+        nil
+      end
+
+      def command_version_compatible? command
+        !command.instance_variable_defined?(:@conjur_min_version) ||
+          (appliance_version &&
+           command.instance_variable_get(:@conjur_min_version) <= appliance_version
+          )
+      end
     end
 
     init!
 
     version Conjur::VERSION
@@ -121,16 +135,25 @@
         options[:ownerid] = role.roleid
       end
       
       true
     end
+
+    around do |global,command,options,args,code|
+      @current_command = command
+      code.call
+      @current_command = nil
+    end
     
     on_error do |exception|
       require 'rest-client'
       require 'patches/conjur/error'
-
+        
       run_default_handler = true
-      if exception.is_a?(RestClient::Exception) && exception.response
+      if @current_command != nil && !command_version_compatible?(@current_command)
+        $stderr.puts "error: this command is not supported by the current Conjur server version"
+        run_default_handler = false
+      elsif exception.is_a?(RestClient::Exception) && exception.response
         err = Conjur::Error.create exception.response.body
         if err
           $stderr.puts "error: " + err.message
           run_default_handler = false # suppress default error message
         else