[PATCH v7 2/4] kdump-lib: Add a new function to get the ip address

[Minfei Huang]

Add a new function to parse the parameter, if the parameter is
domain/hostname, not the ip address.

Signed-off-by: Minfei Huang 
---
 kdump-lib.sh | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/kdump-lib.sh b/kdump-lib.sh
index b886c5d..6ca2b3a 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -170,21 +170,28 @@ get_remote_host()
     echo $_config_val
 }

+get_ip_address()
+{
+    local _ip_address
+
+    _ip_address=`getent ahosts $1 | head -n 1 | cut -d' ' -f1`
+    _ip_address=${_ip_address:-$1}
+    echo $_ip_address
+}
+
 # check the remote server ip address tpye
 is_ipv6_target()
 {
-    local _server _server_tmp
+    local _target

if is_ssh_dump_target; then
-        _server=`get_option_value ssh`
+        _target=`get_option_value ssh`
     elif is_nfs_dump_target; then
-        _server=`get_option_value nfs`
+        _target=`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 $_server | grep -q ":"
+    [ -z "$_target" ] && return 1
+    _target=`get_remote_host $_target`
+
+    echo $(get_ip_address $_target) | grep -q ":"
 }