First attempt to fix hound errors.

chef/cookbooks/dhcp/providers/host.rb

@@ -60,7 +60,7 @@
     end
     new_resource.updated_by_last_action(true)
   end
-  for host_list in ["host_list.conf", "host6_list.conf"] do
+  ["host_list.conf", "host6_list.conf"].each do |host_list|
     utils_line "include \"#{filename}\";" do
       action :remove
       file "/etc/dhcp3/hosts.d/#{host_list}"

chef/cookbooks/dhcp/providers/subnet.rb

@@ -61,7 +61,7 @@
     end
     new_resource.updated_by_last_action(true)
   end
-  for subnet_list in ["subnet_list.conf", "subnet6_list.conf"] do
+  ["subnet_list.conf", "subnet6_list.conf"].each do |subnet_list|
     utils_line "include \"#{filename}\";" do
       action :remove
       file "/etc/dhcp3/subnets.d/#{subnet_list}"

chef/cookbooks/provisioner/recipes/base.rb

@@ -350,10 +350,10 @@
 crowbar_node = node_search_with_cache("roles:crowbar").first
 address = crowbar_node["crowbar"]["network"]["admin"]["address"]
 protocol = crowbar_node["crowbar"]["apache"]["ssl"] ? "https" : "http"
-if IPAddr.new(address).ipv6?
-  server = "#{protocol}://[#{address}]"
+server = if IPAddr.new(address).ipv6?
+  "#{protocol}://[#{address}]"
 else
-  server = "#{protocol}://#{address}"
+  "#{protocol}://#{address}"
 end
 password = crowbar_node["crowbar"]["users"]["crowbar"]["password"]
 verify_ssl = !crowbar_node["crowbar"]["apache"]["insecure"]

chef/cookbooks/provisioner/recipes/dhcp_update.rb

@@ -8,8 +8,10 @@
 
 admin_net = Barclamp::Inventory.get_network_definition(node, "admin")
 lease_time = node[:provisioner][:dhcp]["lease-time"]
+admin6_uri = "tftp://[#{admin_ip}]/discovery"
 
-ipv4_dhcp_opts = ["allow unknown-clients",
+ipv4_dhcp_opts = [
+             "allow unknown-clients",
              "default-lease-time #{lease_time}",
              "max-lease-time #{lease_time}",
              'if exists dhcp-parameter-request-list {
@@ -32,25 +34,26 @@
      }',
              "next-server #{admin_ip}"]
 
-ipv6_dhcp_opts = ["allow unknown-clients",
+ipv6_dhcp_opts = [
+             "allow unknown-clients",
              "default-lease-time #{lease_time}",
              "max-lease-time #{lease_time}",
              'if exists dhcp-parameter-request-list {
        # Always send the PXELINUX options (specified in hexadecimal)
        option dhcp-parameter-request-list = concat(option dhcp-parameter-request-list,d0,d1,d2,d3);
      }',
              "if option dhcp6.client-arch-type = 00:06 {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/ia32/efi/bootia32.efi\";
+       option dhcp6.bootfile-url \"#{admin6_uri}/ia32/efi/bootia32.efi\";
      } else if option dhcp6.client-arch-type = 00:07 {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/x86_64/efi/default/boot/bootx64.efi\";
+       option dhcp6.bootfile-url \"/#{admin6_uri}x86_64/efi/default/boot/bootx64.efi\";
      } else if option dhcp6.client-arch-type = 00:09 {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/x86_64/efi/default/boot/bootx64.efi\";
+       option dhcp6.bootfile-url \"#{admin6_uri}/x86_64/efi/default/boot/bootx64.efi\";
      } else if option dhcp6.client-arch-type = 00:0b {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/aarch64/efi/default/boot/bootaa64.efi\";
+       option dhcp6.bootfile-url \"#{admin6_uri}/aarch64/efi/default/boot/bootaa64.efi\";
      } else if option dhcp6.client-arch-type = 00:0e {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/discovery/ppc64le/bios/\";
+       option dhcp6.bootfile-url \"#{admin6_uri}/discovery/ppc64le/bios/\";
      } else {
-       option dhcp6.bootfile-url \"tftp://[#{admin_ip}]/discovery/x86_64/bios/pxelinux.0\";
+       option dhcp6.bootfile-url \"#{admin6_uri}/x86_64/bios/pxelinux.0\";
      }"]
 
 pool_opts = {

chef/cookbooks/provisioner/recipes/setup_base_images.rb

@@ -24,8 +24,8 @@
 admin_ip = IPAddr.new(admin_net.address)
 domain_name = node[:dns].nil? ? node[:domain] : (node[:dns][:domain] || node[:domain])
 web_port = node[:provisioner][:web_port]
-provisioner_web="http://#{admin_ip.to_s}:#{web_port}" if admin_ip.ipv4?
-provisioner_web="http://[#{admin_ip.to_s}]:#{web_port}" if admin_ip.ipv6?
+provisioner_web="http://#{admin_ip}:#{web_port}" if admin_ip.ipv4?
+provisioner_web="http://[#{admin_ip}]:#{web_port}" if admin_ip.ipv6?
 append_line = node[:provisioner][:discovery][:append].dup # We'll modify it inline
 
 crowbar_node = node_search_with_cache("roles:crowbar").first
@@ -301,7 +301,7 @@
       notifies :reload, resources(service: "xinetd")
     end
   else
-    ip_addr = admin_ip.ipv6? ? "[#{admin_ip.to_s}]" : admin_ip.to_s
+    ip_addr = admin_ip.ipv6? ? "[#{admin_ip}]" : admin_ip.to_s
     template "/etc/systemd/system/tftp.service" do
       source "tftp.service.erb"
       owner "root"