Add support for IPv6 and https to anaconda-preexec

The anaconda-preexec script runs ahead of Anaconda to cache the IP
address of the network boot server in the /etc/hosts file, to avoid
further DNS queries during installation.

This update extends the checks to add support for IPv6 and to allow
for https network access.

Change-Id: Iadc86cbf971d6ecb0c478a2a16d5040d18a82ef0
Story: 2006980
Task: 38728
Signed-off-by: Don Penney <don.penney@windriver.com>
This commit is contained in:
Don Penney 2020-02-10 17:44:52 -05:00
parent 4ee637ce25
commit 2821c9c6d4
4 changed files with 162 additions and 1 deletions

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@ -1 +1 @@
TIS_PATCH_VER=6 TIS_PATCH_VER=7

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@ -0,0 +1,47 @@
From 9a2fa4a719df870296f8559bbf775696b49847c5 Mon Sep 17 00:00:00 2001
From: Don Penney <don.penney@windriver.com>
Date: Fri, 7 Feb 2020 14:09:28 -0500
Subject: [PATCH] Add support for https and IPv6 to anaconda-preexec
Include the source patch that adds support for https and IPv6.
Signed-off-by: Don Penney <don.penney@windriver.com>
---
SPECS/anaconda.spec | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/SPECS/anaconda.spec b/SPECS/anaconda.spec
index c482f38..8fea2fa 100644
--- a/SPECS/anaconda.spec
+++ b/SPECS/anaconda.spec
@@ -24,11 +24,12 @@ Patch8: 9800-rpmostreepayload-Rework-remote-add-handling.patch
Patch9: yumpayload-dont-verify-disabled-repos.patch
Patch10: anaconda-centos-armhfp-extloader.patch
-# WRS
+# StarlingX
Patch10001: 0001-TIS-Progress-and-error-handling.patch
Patch10002: 0002-revert-7.4-grub2-efi-handling.patch
Patch10003: 0003-Set-default-hostname-to-localhost.patch
Patch10004: 0004-Cache-server-ip-in-etc-hosts.patch
+Patch10005: 0005-Add-support-for-IPv6-and-https-to-anaconda-preexec.patch
# Versions of required components (done so we make sure the buildrequires
# match the requires versions of things).
@@ -256,11 +257,12 @@ runtime on NFS/HTTP/FTP servers or local disks.
%patch10 -p1
%endif
-# WRS
+# StarlingX
%patch10001 -p1
%patch10002 -p1
%patch10003 -p1
%patch10004 -p1
+%patch10005 -p1
%build
%configure --disable-static \
--
1.8.3.1

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@ -3,3 +3,4 @@
0003-revert-7.4-grub2-efi-handling.patch 0003-revert-7.4-grub2-efi-handling.patch
0004-Upversion-rpm-devel-dependency.patch 0004-Upversion-rpm-devel-dependency.patch
0005-Add-TIS-patches-for-host-lookup.patch 0005-Add-TIS-patches-for-host-lookup.patch
0006-Add-support-for-https-and-IPv6-to-anaconda-preexec.patch

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@ -0,0 +1,113 @@
From fbf22f153f415b1dfed1f01879c22b15ac030652 Mon Sep 17 00:00:00 2001
From: Don Penney <don.penney@windriver.com>
Date: Mon, 10 Feb 2020 20:00:19 -0500
Subject: [PATCH] Add support for IPv6 and https to anaconda-preexec
The anaconda-preexec script runs ahead of Anaconda to cache the IP
address of the network boot server in the /etc/hosts file, to avoid
further DNS queries during installation.
This update extends the checks to add support for IPv6 and to allow
for https network access.
Signed-off-by: Don Penney <don.penney@windriver.com>
---
scripts/anaconda-preexec | 69 +++++++++++++++++++++++++++++++-----------------
1 file changed, 45 insertions(+), 24 deletions(-)
diff --git a/scripts/anaconda-preexec b/scripts/anaconda-preexec
index d491173..22e6833 100644
--- a/scripts/anaconda-preexec
+++ b/scripts/anaconda-preexec
@@ -1,6 +1,6 @@
#!/bin/bash
#
-# Copyright (c) 2017 Wind River Systems, Inc.
+# Copyright (c) 2017-2019 Wind River Systems, Inc.
# SPDX-License-Identifier: Apache-2.0
#
#
@@ -14,36 +14,57 @@ set -x
function get_ip()
{
local host=$1
+ local host_ip=
# Try the DNS query
- host -t A $host | awk '{print $4}' | grep '^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$' | head -1
+ host_ip=$(host -t A $host | awk '{print $4}' | grep '^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$' | head -1)
+
+ if [ -z "${host_ip}" ]; then
+ # Check for IPv6
+ host_ip=$(host -t AAAA $host | grep 'has IPv6 address' | awk '{print $5}')
+ fi
+
+ echo -n ${host_ip}
+}
+
+function get_server()
+{
+ # Check for http/https first
+ cat /proc/cmdline | grep -q 'inst\.ks=http'
+ if [ $? -ne 0 ]; then
+ return
+ fi
+
+ local server_and_port=
+ server_and_port=$(cat /proc/cmdline | sed -r 's#.*inst\.ks=https*://([^/]*)/.*#\1#')
+
+ echo "${server_and_port}" | grep -q '^\['
+ if [ $? -eq 0 ]; then
+ echo "${server_and_port}" | sed -r 's#.*\[(.*)\].*#\1#'
+ else
+ echo "${server_and_port}" | sed -r 's#([^/:]*)(:[^/]*)?#\1#'
+ fi
}
# If the kickstart is net-based, wait for connectivity to server
-cat /proc/cmdline | grep -q 'inst\.ks=http://'
-if [ $? -eq 0 ]
+server=$(get_server)
+if [ -n "$server" ]
then
- server=$(cat /proc/cmdline | sed -r 's#.*inst\.ks=http://([^/:]*)(:[^/]*)?/.*#\1#')
- if [ -n "$server" ]
- then
- echo "Testing connectivity to server: $server"
- let -i ping_count=0
- ping -c 1 -w 60 $server
- while [ $? -ne 0 -a $ping_count -lt 600 ]
- do
- echo "Waiting for connectivity to server: $server"
- sleep 1
- let -i ping_count++
- ping -c 1 -w 60 $server
- done
-
- # Cache the host IP
- ipaddr=$(get_ip $server)
- if [ -n "$ipaddr" -a "$ipaddr" != "$server" ]
- then
- echo "$ipaddr $server" >> /etc/hosts
- fi
+ echo "Testing connectivity to server: $server"
+ let -i TIMEOUT=${SECONDS}+600
+ ping -c 1 -w 60 $server || ping6 -c 1 -w 60 $server
+ while [ $? -ne 0 -a ${SECONDS} -lt ${TIMEOUT} ]
+ do
+ echo "Waiting for connectivity to server: $server"
+ sleep 1
+ ping -c 1 -w 60 $server || ping6 -c 1 -w 60 $server
+ done
+ # Cache the host IP
+ ipaddr=$(get_ip $server)
+ if [ -n "$ipaddr" -a "$ipaddr" != "$server" ]
+ then
+ echo "$ipaddr $server" >> /etc/hosts
fi
fi
--
1.8.3.1