Do not propose a hostname during AY

src/lib/y2network/autoinst/hostname_reader.rb

@@ -40,18 +40,18 @@ def initialize(section)
       def config
         Y2Network::Hostname.new(
           dhcp_hostname: section.dhcp_hostname,
-          static:        section.hostname || default_hostname,
+          static:        static_hostname,
           installer:     section.hostname
         )
       end
 
     private
 
-      # Returns a default hostname proposal for installer
+      # Returns the current static_hostname
       #
       # @return [String]
-      def default_hostname
-        Y2Network::Sysconfig::HostnameReader.new.hostname
+      def static_hostname
+        Y2Network::Sysconfig::HostnameReader.new.static_hostname
       end
     end
   end

src/lib/y2network/sysconfig/hostname_reader.rb

@@ -106,12 +106,19 @@ def hostname_from_resolver
         nil
       end
 
-      # Reads the system (local) hostname
+      # Reads the transient hostname or system (local) hostname
       #
       # @return [String, nil] Hostname
       def hostname_from_system
         Yast::Execute.on_target!("/usr/bin/hostname", stdout: :capture).strip
       rescue Cheetah::ExecutionFailed
+        static_hostname
+      end
+
+      # Reads the static hostname from /etc/hostname
+      #
+      # @return [String, nil]
+      def static_hostname
         name = Yast::SCR.Read(Yast::Path.new(".target.string"), "/etc/hostname").to_s.strip
         name.empty? ? nil : name
       end

test/y2network/autoinst/hostname_reader_test.rb

@@ -0,0 +1,57 @@
+#!/usr/bin/env rspec
+
+# Copyright (c) [2020] SUSE LLC
+#
+# All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, contact SUSE LLC.
+#
+# To contact SUSE LLC about this file by physical or electronic mail, you may
+# find current contact information at www.suse.com.
+
+require_relative "../../test_helper"
+require "y2network/autoinst/hostname_reader"
+
+describe Y2Network::Autoinst::HostnameReader do
+  let(:subject) { described_class.new(dns_section) }
+
+  let(:dns_section) do
+    Y2Network::AutoinstProfile::DNSSection.new_from_hashes(profile["dns"])
+  end
+
+  let(:current_static_hostname) { "test" }
+
+  before do
+    allow_any_instance_of(Y2Network::Sysconfig::HostnameReader)
+      .to receive(:static_hostname).and_return(current_static_hostname)
+  end
+
+  let(:profile) do
+    {
+      "dns" => {
+        "hostname" => "host",
+        "dhcp_hostname" => true, "write_hostname" => true
+      }
+    }
+  end
+
+  describe "#config" do
+    it "builds a new Y2Network::Hostname config from the profile dns section" do
+      config = subject.config
+      expect(config).to be_a Y2Network::Hostname
+      expect(config.installer).to eq("host")
+      expect(config.dhcp_hostname).to eq(true)
+      expect(config.static).to eq(current_static_hostname)
+    end
+  end
+end