initrd.scripts: move iscsi code to 00-iscsi.sh

defaults/initrd.d/00-iscsi.sh

@@ -0,0 +1,70 @@
+#!/bin/sh
+
+. /etc/initrd.d/00-common.sh
+
+start_iscsi() {
+    if [ ! -e /usr/sbin/iscsistart ]; then
+        return 0  # disabled
+    fi
+
+    if [ ! -n "${ISCSI_NOIBFT}" ]; then
+        good_msg "Activating iSCSI via iBFT"
+        iscsistart -b
+    fi
+
+    if [ -z "${ISCSI_INITIATORNAME}" ]; then
+        warn_msg "No iSCSI initiator found"
+        return 0
+    fi
+
+    if [ -z "${ISCSI_TARGET}" ]; then
+        warn_msg "No iSCSI target found"
+        return 0
+    fi
+
+    if [ -z "${ISCSI_ADDRESS}" ]; then
+        warn_msg "No iSCSI address found"
+        return 0
+    fi
+
+    good_msg "Activating iSCSI via cmdline"
+
+    if [ "${ISCSI_TGPT}" ]; then
+        ADDITIONAL="${ADDITIONAL} -g ${ISCSI_TGPT}"
+    else
+        ADDITIONAL="${ADDITIONAL} -g 1"
+    fi
+
+    if [ "${ISCSI_PORT}" ]; then
+        ADDITIONAL="${ADDITIONAL} -p ${ISCSI_PORT}"
+    fi
+
+    if [ "${ISCSI_USERNAME}" ]; then
+        ADDITIONAL="${ADDITIONAL} -u ${ISCSI_USERNAME}"
+    fi
+
+    if [ "${ISCSI_PASSWORD}" ]; then
+        ADDITIONAL="${ADDITIONAL} -w ${ISCSI_PASSWORD}"
+    fi
+
+    if [ "${ISCSI_USERNAME_IN}" ]; then
+        ADDITIONAL="${ADDITIONAL} -U ${ISCSI_USERNAME_IN}"
+    fi
+
+    if [ "${ISCSI_PASSWORD_IN}" ]; then
+        ADDITIONAL="${ADDITIONAL} -W ${ISCSI_PASSWORD_IN}"
+    fi
+
+    if [ "${ISCSI_DEBUG}" ]; then
+        ADDITIONAL="${ADDITIONAL} -d ${ISCSI_DEBUG}"
+    fi
+
+    iscsistart -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" \
+        -a "${ISCSI_ADDRESS}" ${ADDITIONAL}
+
+    # let iscsid settle - otherwise mounting the iSCSI-disk
+    # will fail (very rarely, though)
+    # TODO(lxnay): this is horrible, find a real synchronization
+    # technique.
+    sleep 1
+}

defaults/initrd.scripts

@@ -12,6 +12,7 @@
 . /etc/initrd.d/00-keymaps.sh
 . /etc/initrd.d/00-crypt.sh
 . /etc/initrd.d/00-suspend.sh
+. /etc/initrd.d/00-iscsi.sh
 
 
 real_root_init() {
@@ -26,65 +27,6 @@ real_root_init() {
     fi
 }
 
-start_iscsi() {
-    if [ ! -e /usr/sbin/iscsistart ]; then
-        return 0  # disabled
-    fi
-
-    if [ ! -n "${ISCSI_NOIBFT}" ]
-    then
-        good_msg "Activating iSCSI via iBFT"
-        iscsistart -b
-    fi
-
-    if [ -n "${ISCSI_INITIATORNAME}" ] && [ -n "${ISCSI_TARGET}" ] && [ -n "${ISCSI_ADDRESS}" ]; then
-        good_msg "Activating iSCSI via cmdline"
-
-        if [ "${ISCSI_TGPT}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -g ${ISCSI_TGPT}"
-        else
-            ADDITIONAL="${ADDITIONAL} -g 1"
-        fi
-        if [ "${ISCSI_PORT}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -p ${ISCSI_PORT}"
-        fi
-
-        if [ "${ISCSI_USERNAME}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -u ${ISCSI_USERNAME}"
-        fi
-
-        if [ "${ISCSI_PASSWORD}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -w ${ISCSI_PASSWORD}"
-        fi
-
-        if [ "${ISCSI_USERNAME_IN}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -U ${ISCSI_USERNAME_IN}"
-        fi
-
-        if [ "${ISCSI_PASSWORD_IN}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -W ${ISCSI_PASSWORD_IN}"
-        fi
-
-        if [ "${ISCSI_DEBUG}" ]
-        then
-            ADDITIONAL="${ADDITIONAL} -d ${ISCSI_DEBUG}"
-        fi
-
-        iscsistart -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" \
-            -a "${ISCSI_ADDRESS}" ${ADDITIONAL}
-
-        # let iscsid settle - otherwise mounting the iSCSI-disk
-        # will fail (very rarely, though)
-        sleep 1
-    fi
-}
-
 getdvhoff() {
     echo $(( $(hexdump -n 4 -s $((316 + 12 * $2)) -e '"%i"' $1) * 512))
 }