[PATCHv2 1/2] dracut-module-setup: get localhost alias by manual
'hostname -A' can not get the alias, meanwhile 'hostname -a' is
deprecated.
So we should do it by ourselves.
The parsing is based on the format of /etc/hosts, i.e.
IP_address canonical_hostname [aliases...]
Signed-off-by: Pingfan Liu <piliu(a)redhat.com>
---
dracut-module-setup.sh | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
index 3fa696d..6745cff 100755
--- a/dracut-module-setup.sh
+++ b/dracut-module-setup.sh
@@ -689,12 +689,31 @@ kdump_check_iscsi_targets () {
}
}
+# hostname -a is deprecated, do it by ourself
+get_alias() {
+ local ips
+ local entry
+ local alias_set
+
+ ips=$(hostname -I)
+ for ip in $ips
+ do
+ entries=$(grep $ip /etc/hosts | awk '{ $1=$2=""; print $0
}')
+ if [ $? -eq 0 ]; then
+ alias_set="$alias_set $entries"
+ fi
+ done
+
+ echo $alias_set
+}
+
is_localhost() {
local hostnames=$(hostname -A)
local shortnames=$(hostname -A -s)
+ local aliasname=$(get_alias)
local nodename=$1
- hostnames="$hostnames $shortnames"
+ hostnames="$hostnames $shortnames $aliasname"
for name in ${hostnames}; do
if [ "$name" == "$nodename" ]; then
--
2.7.5