logger: source the logger file individually

Sourcing logger file in kdump-lib.sh will leak kdump helper to dracut,
because module-setup.sh will source kdump-lib.sh. This will make kdump's
function override dracut's ones, and lead to unexpected behaviours.

So include kdump-logger.sh individually and only source it where it really
needed. for module-setup.sh, simply use dracut's logger helper is good
enough so just source kdump-logger.sh in kdump only scripts.

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Lianbo Jiang <lijiang@redhat.com>

dracut-early-kdump.sh

@@ -12,6 +12,7 @@ EARLY_KEXEC_ARGS=""
 . /etc/sysconfig/kdump
 . /lib/dracut-lib.sh
 . /lib/kdump-lib.sh
+. /lib/kdump-logger.sh
 
 #initiate the kdump logger
 dlog_init

kdump-dep-generator.sh

@@ -4,6 +4,7 @@
 # http://www.freedesktop.org/wiki/Software/systemd/Generators/
 
 . /usr/lib/kdump/kdump-lib.sh
+. /usr/lib/kdump/kdump-logger.sh
 
 # If invokded with no arguments for testing purpose, output to /tmp to
 # avoid overriding the existing.

kdump-lib-initramfs.sh

@@ -1,6 +1,7 @@
 # These variables and functions are useful in 2nd kernel
 
 . /lib/kdump-lib.sh
+. /lib/kdump-logger.sh
 
 KDUMP_PATH="/var/crash"
 KDUMP_LOG_FILE="/run/initramfs/kexec-dmesg.log"

kdump-lib.sh

@@ -8,12 +8,6 @@ FENCE_KDUMP_CONFIG_FILE="/etc/sysconfig/fence_kdump"
 FENCE_KDUMP_SEND="/usr/libexec/fence_kdump_send"
 FADUMP_ENABLED_SYS_NODE="/sys/kernel/fadump_enabled"
 
-if [ -f /lib/kdump/kdump-logger.sh ]; then
-    . /lib/kdump/kdump-logger.sh
-elif [ -f /lib/kdump-logger.sh ]; then
-    . /lib/kdump-logger.sh
-fi
-
 is_fadump_capable()
 {
     # Check if firmware-assisted dump is enabled

kdumpctl

@@ -34,6 +34,7 @@ fi
 [[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
 . $dracutbasedir/dracut-functions.sh
 . /lib/kdump/kdump-lib.sh
+. /lib/kdump/kdump-logger.sh
 
 #initiate the kdump logger
 dlog_init

mkdumprd

@@ -13,6 +13,7 @@ fi
 [[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
 . $dracutbasedir/dracut-functions.sh
 . /lib/kdump/kdump-lib.sh
+. /lib/kdump/kdump-logger.sh
 export IN_KDUMP=1
 
 #initiate the kdump logger