closes #9684
[arvados.git] / services / api / app / controllers / arvados / v1 / virtual_machines_controller.rb
index e9d457f9bc513ec429898ccc9a21852e706b15cd..e6474aa4e0328a6759039921b9962d627b0b374d 100644 (file)
@@ -1,30 +1,55 @@
 class Arvados::V1::VirtualMachinesController < ApplicationController
-  before_filter :admin_required, :only => :get_all_logins
+  skip_before_filter :find_object_by_uuid, :only => :get_all_logins
+  skip_before_filter :render_404_if_no_object, :only => :get_all_logins
+  before_filter(:admin_required,
+                :only => [:logins, :get_all_logins])
+
+  # Get all login permissons (user uuid, login account, SSH key) for a
+  # single VM
+  def logins
+    render_logins_for VirtualMachine.where(uuid: @object.uuid)
+  end
+
+  # Get all login permissons for all VMs
   def get_all_logins
+    render_logins_for VirtualMachine
+  end
+
+  protected
+
+  def render_logins_for vm_query
+    @response = []
+    @vms = vm_query.eager_load :login_permissions
     @users = {}
-    User.includes(:authorized_keys).all.each do |u|
+    User.eager_load(:authorized_keys).
+      where('users.uuid in (?)',
+            @vms.map { |vm| vm.login_permissions.map &:tail_uuid }.flatten.uniq).
+      each do |u|
       @users[u.uuid] = u
     end
-    @response = []
-    @vms = VirtualMachine.includes(:login_permissions).all
     @vms.each do |vm|
       vm.login_permissions.each do |perm|
         user_uuid = perm.tail_uuid
-        @users[user_uuid].andand.authorized_keys.each do |ak|
-          username = perm.properties.andand['username']
-          if username
-            @response << {
-              username: username,
-              hostname: vm.hostname,
-              public_key: ak.public_key,
-              user_uuid: user_uuid,
-              virtual_machine_uuid: vm.uuid,
-              authorized_key_uuid: ak.uuid
-            }
-          end
+        next if not @users[user_uuid]
+        next if perm.properties['username'].blank?
+        aks = @users[user_uuid].authorized_keys
+        if aks.empty?
+          # We'll emit one entry, with no public key.
+          aks = [nil]
+        end
+        aks.each do |ak|
+          @response << {
+            username: perm.properties['username'],
+            hostname: vm.hostname,
+            groups: (perm.properties['groups'].to_a rescue []),
+            public_key: ak ? ak.public_key : nil,
+            user_uuid: user_uuid,
+            virtual_machine_uuid: vm.uuid,
+            authorized_key_uuid: ak ? ak.uuid : nil,
+          }
         end
       end
     end
-    render json: { kind: "arvados#HashList", items: @response }
+    send_json kind: "arvados#HashList", items: @response
   end
 end