Refactor source code patches for dhcp package

3 source patches can be removed.
2 patches adds support for wrs_install_uuid in the dhclient script.
This added script part just copy the whole content of dhclient-enter-hooks.
Following this script part, it will call this hook script if the hook
exist under /etc/. However, our hook file existed in /etc/dhcp/ folder will
be called by sbin/dhclient-script as well. I'd like to use dhcp config
package to creat /etc/dhclient-enter-hooks soft linked to
/etc/dhcp/dhclient-enter-hooks, so that it can call dhclient script and
no need to add this 2 patches.

Support-disable-nsupdate.patch can be removed as we already fixed port
conflict issue in https://review.openstack.org/#/c/622711/

Deployment test pass and related script file check pass!

Story: 2004473
Task: 28164

Change-Id: If50ae697062a7d0c8a2831fbcc0f5641aaa41ec7
Signed-off-by: zhipengl <zhipengs.liu@intel.com>

base/dhcp-config/centos/build_srpm.data

@@ -1,2 +1,2 @@
 SRC_DIR="files"
-TIS_PATCH_VER=1
+TIS_PATCH_VER=2

base/dhcp-config/centos/dhcp-config.spec

@@ -27,10 +27,11 @@ package StarlingX configuration files of dhcp to system folder.
 %{__install} -d %{buildroot}%{dhcpconfdir}
 %{__install} -p -m 0755 dhclient-enter-hooks %{buildroot}%{dhcpconfdir}/dhclient-enter-hooks
 %{__install} -p -m 0644 dhclient.conf %{buildroot}%{dhcpconfdir}/dhclient.conf
+ln -s  %{dhcpconfdir}/dhclient-enter-hooks  %{buildroot}%{_sysconfdir}/dhclient-enter-hooks
 
 %post
 
 %files
 %config(noreplace) %{dhcpconfdir}/dhclient.conf
 %{dhcpconfdir}/dhclient-enter-hooks
-
+%{_sysconfdir}/dhclient-enter-hooks

base/dhcp/centos/meta_patches/spec-include-TiS-patches.patch

@@ -11,22 +11,19 @@ diff --git a/SPECS/dhcp.spec b/SPECS/dhcp.spec
 index 14da097..904e3ad 100644
 --- a/SPECS/dhcp.spec
 +++ b/SPECS/dhcp.spec
-@@ -111,6 +115,14 @@ Patch70:  dhcp-4.2.5-reference_count_overflow.patch
+@@ -111,6 +115,11 @@ Patch70:  dhcp-4.2.5-reference_count_overflow.patch
  Patch71:  dhcp-4.2.5-centos-branding.patch
 
 
 +# WRS
-+Patch101: support-disable-nsupdate.patch
++Patch101: dhclient-restrict-interfaces-to-command-line.patch
-+Patch102: dhclient-restrict-interfaces-to-command-line.patch
++Patch102: dhclient-ipv6-bind-to-interface.patch
-+Patch103: dhclient-ipv6-bind-to-interface.patch
++Patch103: dhclient-ipv6-conditionally-set-hostname.patch
-+Patch104: dhclient-ipv6-conditionally-set-hostname.patch
-+Patch105: dhclient-handle-wrs-install-uuid.patch
-+Patch106: dhclient-dhcp6-wrs-install-uuid.patch
 +
  BuildRequires: autoconf
  BuildRequires: automake
  BuildRequires: libtool
-@@ -439,6 +451,14 @@ rm -rf includes/isc-dhcp
+@@ -439,6 +451,11 @@ rm -rf includes/isc-dhcp
  %patch70 -p1 -b .reference_overflow
  %patch71 -p1
 
@@ -34,9 +31,6 @@ index 14da097..904e3ad 100644
 +%patch101 -p1
 +%patch102 -p1
 +%patch103 -p1
-+%patch104 -p1
-+%patch105 -p1
-+%patch106 -p1
 +
  # Update paths in all man pages
  for page in client/dhclient.conf.5 client/dhclient.leases.5 \

base/dhcp/centos/patches/dhclient-dhcp6-wrs-install-uuid.patch

@@ -1,41 +0,0 @@
-From 70d970536ec4312be28c7c39b20fe90199c495e0 Mon Sep 17 00:00:00 2001
-From: Scott Little <scott.little@windriver.com>
-Date: Mon, 2 Oct 2017 15:25:26 -0400
-Subject: [PATCH 6/7] WRS: Patch106: dhclient-dhcp6-wrs-install-uuid.patch
-
----
- client/scripts/linux | 11 +++++++++--
- 1 file changed, 9 insertions(+), 2 deletions(-)
-
-diff --git a/client/scripts/linux b/client/scripts/linux
-index ddf50e8..c4ab9a1 100755
---- a/client/scripts/linux
-+++ b/client/scripts/linux
-@@ -77,15 +77,22 @@ exit_with_hooks() {
-   exit $exit_status
- }
- 
-+# Select wrs-install-uuid from ipv4 or ipv6
-+if [ -n "$new_dhcp6_wrs_install_uuid" ]; then
-+  wrs_install_uuid=$new_dhcp6_wrs_install_uuid
-+else
-+  wrs_install_uuid=$new_wrs_install_uuid
-+fi
-+
- # Enforce wrs-install-uuid on management and infrastrucure interfaces
- source /etc/platform/platform.conf
--if [ -n "$new_wrs_install_uuid" ]; then
-+if [ -n "$wrs_install_uuid" ]; then
-   if [ "$nodetype" == "controller" ]; then
-     source /etc/build.info
-     file="/www/pages/feed/rel-$SW_VERSION/install_uuid"
-     INSTALL_UUID=$(cat "$file")
-   fi
--  if [ "$INSTALL_UUID" != "$new_wrs_install_uuid" ]; then
-+  if [ "$INSTALL_UUID" != "$wrs_install_uuid" ]; then
-     exit 1
-   fi
- elif [ "$interface" == "$management_interface" -o \
--- 
-1.9.1
-

base/dhcp/centos/patches/dhclient-handle-wrs-install-uuid.patch

@@ -1,42 +0,0 @@
-From d6daacb050008d473b986f574434f9b8ae7139e4 Mon Sep 17 00:00:00 2001
-From: Scott Little <scott.little@windriver.com>
-Date: Mon, 2 Oct 2017 15:25:23 -0400
-Subject: [PATCH 5/7] WRS: Patch105: dhclient-handle-wrs-install-uuid.patch
-
----
- client/scripts/linux | 19 +++++++++++++++++++
- 1 file changed, 19 insertions(+)
-
-diff --git a/client/scripts/linux b/client/scripts/linux
-index 59e764f..ddf50e8 100755
---- a/client/scripts/linux
-+++ b/client/scripts/linux
-@@ -77,6 +77,25 @@ exit_with_hooks() {
-   exit $exit_status
- }
- 
-+# Enforce wrs-install-uuid on management and infrastrucure interfaces
-+source /etc/platform/platform.conf
-+if [ -n "$new_wrs_install_uuid" ]; then
-+  if [ "$nodetype" == "controller" ]; then
-+    source /etc/build.info
-+    file="/www/pages/feed/rel-$SW_VERSION/install_uuid"
-+    INSTALL_UUID=$(cat "$file")
-+  fi
-+  if [ "$INSTALL_UUID" != "$new_wrs_install_uuid" ]; then
-+    exit 1
-+  fi
-+elif [ "$interface" == "$management_interface" -o \
-+       "$interface" == "$infrastructure_interface" ]; then
-+  if [ "$nodetype" != "controller" -o \
-+       -e "/etc/platform/.initial_config_complete" ]; then
-+    exit 1
-+  fi
-+fi
-+
- # Invoke the local dhcp client enter hooks, if they exist.
- if [ -f /etc/dhclient-enter-hooks ]; then
-   exit_status=0
--- 
-1.9.1
-

base/dhcp/centos/patches/support-disable-nsupdate.patch

@@ -1,42 +0,0 @@
-From 1a60b6e068a6f6289a48bd8281d116ed6a51f03e Mon Sep 17 00:00:00 2001
-From: Scott Little <scott.little@windriver.com>
-Date: Mon, 2 Oct 2017 15:25:12 -0400
-Subject: [PATCH 1/7] WRS: Patch101: support-disable-nsupdate.patch
-
----
- server/dhcpd.c    | 2 ++
- server/failover.c | 2 ++
- 2 files changed, 4 insertions(+)
-
-diff --git a/server/dhcpd.c b/server/dhcpd.c
-index 67fec83..7523093 100644
---- a/server/dhcpd.c
-+++ b/server/dhcpd.c
-@@ -424,8 +424,10 @@ main(int argc, char **argv) {
- 	trace_srandom = trace_type_register ("random-seed", (void *)0,
- 					     trace_seed_input,
- 					     trace_seed_stop, MDL);
-+#if defined (NSUPDATE)
- 	trace_ddns_init();
- #endif
-+#endif
- 
- #if defined (PARANOIA)
- 	/* get user and group info if those options were given */
-diff --git a/server/failover.c b/server/failover.c
-index 8944102..d26adfa 100644
---- a/server/failover.c
-+++ b/server/failover.c
-@@ -5290,7 +5290,9 @@ isc_result_t dhcp_failover_process_bind_update (dhcp_failover_state_t *state,
- 	 */
- 	if (msg->binding_status == FTS_ACTIVE &&
- 	    (chaddr_changed || ident_changed)) {
-+#if defined (NSUPDATE)
- 		(void) ddns_removals(lease, NULL, NULL, ISC_FALSE);
-+#endif
- 
- 		if (lease->scope != NULL)
- 			binding_scope_dereference(&lease->scope, MDL);
--- 
-1.9.1
-