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mkdumprd: prompt the user to install nfs-utils when mounting NFS fs failed

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When nfs-utils is not installed, mounting as NFS fs would fail.
Currently, the error message is not user-friendly,
    mount: /tmp/mkdumprd.HyPGpS/target: bad option; for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program.
    kdump: Failed to mount on xxx for kdump preflight check.
    kdump: mkdumprd: failed to make kdump initrd

Prompt the user to install nfs-utilsa in the error message,
    kdump: Failed to mount on xxx for kdump preflight check. Please make sure nfs-utils has been installed.

Signed-off-by: Coiby Xu <coxu@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Coiby Xu 2021-02-20 11:55:52 +08:00 committed by Kairui Song
parent 91c802ff52
commit e5a745ce77
1 changed files with 22 additions and 2 deletions
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mkdumprd
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@ -185,6 +185,26 @@ check_save_path_fs()
fi fi
} }
mount_failure()
{
local _target=$1
local _mnt=$2
local _fstype=$3
local msg="Failed to mount $_target"
if [ -n "$_mnt" ]; then
msg="$msg on $_mnt"
fi
msg="$msg for kdump preflight check."
if [[ $_fstype = "nfs" ]]; then
msg="$msg Please make sure nfs-utils has been installed."
fi
perror_exit "$msg"
}
check_user_configured_target() check_user_configured_target()
{ {
local _target=$1 _cfg_fs_type=$2 _mounted local _target=$1 _cfg_fs_type=$2 _mounted
@ -210,7 +230,7 @@ check_user_configured_target()
if ! is_mounted "$_mnt"; then if ! is_mounted "$_mnt"; then
if [[ $_opt = *",noauto"* ]]; then if [[ $_opt = *",noauto"* ]]; then
mount $_mnt mount $_mnt
[ $? -ne 0 ] && perror_exit "Failed to mount $_target on $_mnt for kdump preflight check." [ $? -ne 0 ] && mount_failure "$_target" "$_mnt" "$_fstype"
_mounted=$_mnt _mounted=$_mnt
else else
perror_exit "Dump target \"$_target\" is neither mounted nor configured as \"noauto\"" perror_exit "Dump target \"$_target\" is neither mounted nor configured as \"noauto\""
@ -220,7 +240,7 @@ check_user_configured_target()
_mnt=$MKDUMPRD_TMPMNT _mnt=$MKDUMPRD_TMPMNT
mkdir -p $_mnt mkdir -p $_mnt
mount $_target $_mnt -t $_fstype -o defaults mount $_target $_mnt -t $_fstype -o defaults
[ $? -ne 0 ] && perror_exit "Failed to mount $_target for kdump preflight check." [ $? -ne 0 ] && mount_failure "$_target" "" "$_fstype"
_mounted=$_mnt _mounted=$_mnt
fi fi