Revert commit 63476302

The ipv6 patchset is still under review, previously the commit was mistakenly
merged, thus let's revert it.

Revert "dracut-kdump: Use proper the known hosts entry in the file known_hosts"

This reverts commit 63476302aa.

Conflicts:
	kdump-lib.sh

Signed-off-by: Minfei Huang <mhuang@redhat.com>
Signed-off-by: Dave Young <dyoung@redhat.com>

dracut-kdump.sh

@@ -131,27 +131,6 @@ get_host_ip()
     return 0
 }
 
-# kdump will change the ethernet device name in the 2nd using prefix "kdump-",
-# the link scope of ipv6 has the format like fe80::5054:ff:fe48:ca80%eth0,
-# So we should correct the known hosts
-correct_known_hosts()
-{
-    if is_ipv6_target && is_ssh_dump_target; then
-        local _ipv6 _netdev _pre_netdev
-        local _known_hosts="/root/.ssh/known_hosts"
-        local _srcaddr=$(get_option_value ssh)
-
-        [ "x" = "x""$_srcaddr" ] && return 1
-
-        if `echo $_srcaddr | grep -q "%"`; then
-            _ipv6=`get_remote_host $_srcaddr`
-            _netdev=${_srcaddr#*-}
-            _pre_netdev=$(kdump_setup_ifname $_netdev)
-            sed -i "s#$_ipv6\%$_netdev#$_ipv6\%$_pre_netdev#" $_known_hosts
-        fi
-    fi
-}
-
 read_kdump_conf()
 {
     if [ ! -f "$KDUMP_CONF" ]; then
@@ -196,8 +175,6 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-correct_known_hosts
-
 if [ -z "$DUMP_INSTRUCTION" ]; then
     add_dump_code "dump_fs $NEWROOT"
 fi

dracut-module-setup.sh

@@ -101,6 +101,22 @@ kdump_get_perm_addr() {
     fi
 }
 
+# Prefix kernel assigned names with "kdump-". EX: eth0 -> kdump-eth0
+# Because kernel assigned names are not persistent between 1st and 2nd
+# kernel. We could probably end up with eth0 being eth1, eth0 being
+# eth1, and naming conflict happens.
+kdump_setup_ifname() {
+    local _ifname
+
+    if [[ $1 =~ eth* ]]; then
+        _ifname="kdump-$1"
+    else
+        _ifname="$1"
+    fi
+
+    echo "$_ifname"
+}
+
 kdump_setup_bridge() {
     local _netdev=$1
     local _brif _dev _mac _kdumpdev

kdump-lib.sh

@@ -197,57 +197,6 @@ check_save_path_fs()
     fi
 }
 
-
-# Prefix kernel assigned names with "kdump-". EX: eth0 -> kdump-eth0
-# Because kernel assigned names are not persistent between 1st and 2nd
-# kernel. We could probably end up with eth0 being eth1, eth0 being
-# eth1, and naming conflict happens.
-kdump_setup_ifname() {
-    local _ifname
-
-    if [[ $1 =~ eth* ]]; then
-        _ifname="kdump-$1"
-    else
-        _ifname="$1"
-    fi
-
-    echo "$_ifname"
-}
-
-# get ip address or hostname from nfs/ssh config value
-get_remote_host()
-{
-    local _config_val=$1
-
-    # in ipv6, the _config_val format is [xxxx:xxxx::xxxx%eth0]:/mnt/nfs or
-    # username at xxxx:xxxx::xxxx%eth0. what we need is just  xxxx:xxxx::xxxx
-    _config_val=${_config_val#*@}
-    _config_val=${_config_val%:/*}
-    _config_val=${_config_val#[}
-    _config_val=${_config_val%]}
-    _config_val=${_config_val%\%*}
-    echo $_config_val
-}
-
-# check the remote server ip address tpye
-is_ipv6_target()
-{
-    local _server _server_tmp
-
-    if is_ssh_dump_target; then
-        _server=`get_option_value ssh`
-    elif is_nfs_dump_target; then
-        _server=`get_option_value nfs`
-    fi
-
-    [ -z "$_server" ] && return 1
-    _server=`get_remote_host $_server`
-    _server_tmp=$_server
-    _server=`getent ahosts $_server | head -n 1 | cut -d' ' -f1`
-    _server=${_server:-$_server_tmp}
-    echo $_server | grep -q ":"
-}
-
 is_atomic()
 {
     grep -q "ostree" /proc/cmdline