Remove the mechanisms around "configuring" central admin

app/models/miq_region.rb

@@ -20,7 +20,6 @@ class MiqRegion < ApplicationRecord
   after_save :clear_my_region_cache
 
   acts_as_miq_taggable
-  include AuthenticationMixin
   include UuidMixin
   include NamingSequenceMixin
   include AggregationMixin
@@ -32,7 +31,6 @@ class MiqRegion < ApplicationRecord
   alias_method :all_storages,           :storages
 
   PERF_ROLLUP_CHILDREN = [:ext_management_systems, :storages]
-  AUTHENTICATION_TYPE  = "system_api".freeze
 
   def database_backups
     DatabaseBackup.in_region(region_number)
@@ -244,69 +242,13 @@ def remote_ws_url
     hostname && URI::HTTPS.build(:host => hostname).to_s
   end
 
-  def generate_auth_key_queue(ssh_user, ssh_password, ssh_host = nil)
-    args = [ssh_user, MiqPassword.try_encrypt(ssh_password)]
-    args << ssh_host if ssh_host
-
-    MiqQueue.put_unless_exists(
-      :class_name  => self.class.name,
-      :instance_id => id,
-      :queue_name  => "generic",
-      :method_name => "generate_auth_key",
-      :args        => args
-    )
-  end
-
-  def generate_auth_key(ssh_user, ssh_password, ssh_host = remote_ws_address)
-    key = remote_region_v2_key(ssh_user, MiqPassword.try_decrypt(ssh_password), ssh_host)
-
-    auth = AuthToken.new
-    auth.auth_key = key
-    auth.name = "Region #{region} API Key"
-    auth.resource = self
-    auth.authtype = AUTHENTICATION_TYPE
-    auth.save!
-  end
-
-  def remove_auth_key
-    authentication_delete(AUTHENTICATION_TYPE)
-  end
-
-  def verify_credentials(_auth_type = nil, _options = nil)
-    # TODO: verify the key against the remote api using the api client gem
-    true
-  end
-
-  def auth_key_configured?
-    authentication_token(AUTHENTICATION_TYPE).present?
-  end
-
   def api_system_auth_token(userid)
     token_hash = {
       :server_guid => remote_ws_miq_server.guid,
       :userid      => userid,
       :timestamp   => Time.now.utc
     }
-    encrypt(token_hash.to_yaml)
-  end
-
-  def required_credential_fields(_type)
-    [:auth_key]
-  end
-
-  def encrypt(string)
-    region_v2_key = authentication_token(AUTHENTICATION_TYPE)
-    raise "No key configured for region #{region}. Configure Central Admin to fetch the key" if region_v2_key.nil?
-
-    file = Tempfile.new("region_auth_key")
-    begin
-      file.write(region_v2_key)
-      file.close
-      key = EzCrypto::Key.load(file.path)
-      MiqPassword.new.encrypt(string, "v2", key)
-    ensure
-      file.unlink
-    end
+    MiqPassword.encrypt(token_hash.to_yaml)
   end
 
   def self.api_system_auth_token_for_region(region_id, user)
@@ -392,10 +334,4 @@ def perf_capture_always=(options)
   def clear_my_region_cache
     MiqRegion.my_region_clear_cache
   end
-
-  def remote_region_v2_key(ssh_user, ssh_password, ssh_host)
-    require 'net/scp'
-    key_path = "/var/www/miq/vmdb/certs/v2_key"
-    Net::SCP.download!(ssh_host, ssh_user, key_path, nil, :ssh => {:password => ssh_password})
-  end
 end

app/models/mixins/inter_region_api_method_relay.rb

@@ -58,11 +58,6 @@ def api_relay_class_method(method, action = method)
   def self.api_client_connection_for_region(region_number, user = User.current_userid)
     region = MiqRegion.find_by(:region => region_number)
 
-    unless region.auth_key_configured?
-      _log.error("Region #{region_number} is not configured for central administration")
-      raise "Region #{region_number} is not configured for central administration"
-    end
-
     url = region.remote_ws_url
     if url.nil?
       _log.error("The remote region [#{region_number}] does not have a web service address.")

app/models/pglogical_subscription.rb

@@ -62,7 +62,6 @@ def self.save_all!(subscription_list)
 
   def delete
     pglogical.subscription_drop(id, true)
-    MiqRegion.find_by_region(provider_region).remove_auth_key
     MiqRegion.destroy_region(connection, provider_region)
     if self.class.count == 0
       pglogical.node_drop(MiqPglogical.local_node_name, true)

db/migrate/20170217220618_remove_central_admin_region_auth_records.rb

@@ -0,0 +1,7 @@
+class RemoveCentralAdminRegionAuthRecords < ActiveRecord::Migration[5.0]
+  class Authentication < ActiveRecord::Base; end
+
+  def up
+    Authentication.where(:resource_type => 'MiqRegion').delete_all
+  end
+end

spec/factories/authentication.rb

@@ -105,6 +105,4 @@
   factory :ansible_network_credential,
           :parent => :automation_manager_authentication,
           :class  => "ManageIQ::Providers::AnsibleTower::AutomationManager::NetworkCredential"
-
-  factory :auth_token, :class => "AuthToken"
 end

spec/migrations/20170217220618_remove_central_admin_region_auth_records_spec.rb

@@ -0,0 +1,18 @@
+require_migration
+
+describe RemoveCentralAdminRegionAuthRecords do
+  let(:authentication_stub) { migration_stub(:Authentication) }
+
+  migration_context :up do
+    it "removes rows that point to MiqRegion" do
+      authentication_stub.create!(:resource_type => "MiqRegion")
+      authentication_stub.create!(:resource_type => "MiqRegion")
+      authentication_stub.create!(:resource_type => "Provider")
+
+      migrate
+
+      expect(authentication_stub.count).to eq(1)
+      expect(authentication_stub.first.resource_type).to eq("Provider")
+    end
+  end
+end

spec/models/miq_region_spec.rb

@@ -154,76 +154,10 @@
     end
   end
 
-  describe "#generate_auth_key" do
-    let(:remote_region) { FactoryGirl.create(:miq_region) }
-    let(:remote_key)    { "this is the encryption key!" }
-
-    before { EvmSpecHelper.create_guid_miq_server_zone }
-
-    it "stores an authentication key" do
-      require 'net/scp'
-      host     = "remote-region.example.com"
-      password = "mypassword"
-      user     = "admin"
-
-      expect(Net::SCP).to receive(:download!)
-        .with(host, user, "/var/www/miq/vmdb/certs/v2_key", nil, :ssh => {:password => password})
-        .and_return(remote_key)
-
-      remote_region.generate_auth_key(user, password, host)
-
-      expect(remote_region.authentication_token("system_api")).to eq(remote_key)
-    end
-  end
-
-  describe "#auth_key_configured?" do
-    let(:remote_region) { FactoryGirl.create(:miq_region) }
-    let(:remote_key)    { "this is the encryption key!" }
-
-    before { EvmSpecHelper.create_guid_miq_server_zone }
-
-    it "returns true if a key is configured" do
-      FactoryGirl.create(
-        :auth_token,
-        :resource_id   => remote_region.id,
-        :resource_type => "MiqRegion",
-        :auth_key      => remote_key
-      )
-
-      expect(remote_region.auth_key_configured?).to be true
-    end
-
-    it "returns false if a key is not configured" do
-      expect(remote_region.auth_key_configured?).to be false
-    end
-  end
-
-  describe "#remove_auth_key" do
-    let(:remote_region) { FactoryGirl.create(:miq_region) }
-    let(:remote_key)    { "this is the encryption key!" }
-
-    before { EvmSpecHelper.create_guid_miq_server_zone }
-
-    it "removes a key if configured" do
-      FactoryGirl.create(
-        :auth_token,
-        :resource_id   => remote_region.id,
-        :resource_type => "MiqRegion",
-        :auth_key      => remote_key,
-        :authtype      => "system_api"
-      )
-      expect(remote_region.auth_key_configured?).to be true
-      remote_region.remove_auth_key
-      remote_region.reload
-      expect(remote_region.auth_key_configured?).to be false
-    end
-  end
-
   describe "#api_system_auth_token" do
     it "generates the token correctly" do
       user = "admin"
       server = FactoryGirl.create(:miq_server, :has_active_webservices => true)
-      expect(region).to receive(:authentication_token).and_return(File.read(Rails.root.join("certs/v2_key")))
 
       token = region.api_system_auth_token(user)
       token_hash = YAML.load(MiqPassword.decrypt(token))
@@ -234,30 +168,6 @@
     end
   end
 
-  describe "#required_credential_fields" do
-    it "checks the right credential fields" do
-      expect(region.required_credential_fields(:system_api)).to eq([:auth_key])
-    end
-  end
-
-  describe "#encrypt" do
-    let(:region) { FactoryGirl.create(:miq_region, :region => ApplicationRecord.my_region_number) }
-
-    it "correctly encrypts a string using the authentication token" do
-      expect(region).to receive(:authentication_token).and_return(File.read(Rails.root.join("certs/v2_key")))
-
-      a_string = "this should be encrypted correctly"
-      enc = region.encrypt(a_string)
-      other_string = MiqPassword.decrypt(enc)
-
-      expect(other_string).to eq(a_string)
-    end
-
-    it "raises if no key is configured" do
-      expect { region.encrypt("a string") }.to raise_error(RuntimeError)
-    end
-  end
-
   context "ConfigurationManagementMixin" do
     describe "#settings_for_resource" do
       it "returns the resource's settings" do

spec/models/mixins/inter_region_api_method_relay_spec.rb

@@ -176,41 +176,28 @@ def expect_api_call(expected_action, expected_args = nil)
         expect(MiqRegion).to receive(:find_by).with(:region => region_number).and_return(region)
       end
 
-      context "with authentication configured" do
-        before do
-          expect(region).to receive(:auth_key_configured?).and_return true
-        end
-
-        it "opens an api connection to that address when the server has an ip address" do
-          require "manageiq-api-client"
-
-          server.ipaddress = "192.0.2.1"
-          server.save!
-
-          expect(User).to receive(:current_userid).and_return(request_user)
-          expect(region).to receive(:api_system_auth_token).with(request_user).and_return(region_auth_token)
-
-          client_connection_hash = {
-            :url      => "https://#{server.ipaddress}",
-            :miqtoken => region_auth_token,
-            :ssl      => {:verify => false}
-          }
-          expect(ManageIQ::API::Client).to receive(:new).with(client_connection_hash).and_return(api_connection)
-          described_class.api_client_connection_for_region(region_number)
-        end
-
-        it "raises if the server doesn't have an ip address" do
-          expect {
-            described_class.api_client_connection_for_region(region_number)
-          }.to raise_error("Failed to establish API connection to region #{region_number}")
-        end
+      it "opens an api connection to that address when the server has an ip address" do
+        require "manageiq-api-client"
+
+        server.ipaddress = "192.0.2.1"
+        server.save!
+
+        expect(User).to receive(:current_userid).and_return(request_user)
+        expect(region).to receive(:api_system_auth_token).with(request_user).and_return(region_auth_token)
+
+        client_connection_hash = {
+          :url      => "https://#{server.ipaddress}",
+          :miqtoken => region_auth_token,
+          :ssl      => {:verify => false}
+        }
+        expect(ManageIQ::API::Client).to receive(:new).with(client_connection_hash).and_return(api_connection)
+        described_class.api_client_connection_for_region(region_number)
       end
 
-      it "raises without authentication configured" do
-        expect(region).to receive(:auth_key_configured?).and_return false
+      it "raises if the server doesn't have an ip address" do
         expect {
           described_class.api_client_connection_for_region(region_number)
-        }.to raise_error("Region #{region_number} is not configured for central administration")
+        }.to raise_error("Failed to establish API connection to region #{region_number}")
       end
     end
 

spec/models/pglogical_subscription_spec.rb

@@ -370,23 +370,6 @@ def with_an_invalid_remote_schema
 
       sub.delete
     end
-
-    it "removes the region authentication key if present" do
-      allow(pglogical).to receive(:subscriptions).and_return(subscriptions, [subscriptions.last])
-      expect(pglogical).to receive(:subscription_drop).with("region_#{remote_region1}_subscription", true)
-
-      EvmSpecHelper.create_guid_miq_server_zone
-      auth = FactoryGirl.create(
-        :auth_token,
-        :resource_id   => remote_region.id,
-        :resource_type => "MiqRegion",
-        :auth_key      => "this is the encryption key!",
-        :authtype      => "system_api"
-      )
-
-      sub.delete
-      expect(AuthToken.find_by_id(auth.id)).to be_nil
-    end
   end
 
   describe "#validate" do