iscsi: Add new feature

Signed-off-by: Mikhail Chernonog <[email protected]>

features/iscsi/README.md

@@ -0,0 +1,14 @@
+# Feature: iscsi-boot
+
+Feature adds you to perform a diskless system boot using pxe and iSCSI.
+
+## Parameters
+- **ISCSI_TARGET_NAME** -- Target name iSCSI, required parameter
+- **ISCSI_TARGET_IP** -- Target IP address iSCSI, required parameter 
+- **ISCSI_TARGET_PORT** -- Target port iSCSI 
+- **ISCSI_TARGET_LUN** -- Target group tag iSCSI
+- **ISCSI_INITIATOR** -- Initiator name iSCSI
+- **ISCSI_USERNAME** -- Username for initiator authentication by the target(s)
+- **ISCSI_PASSWORD** -- Password for initiator authentication by the target(s) 
+- **ISCSI_IN_USERNAME** -- Username for target(s) authentication by the initiator
+- **ISCSI_IN_PASSWORD** -- Password for target(s) authentication by the initiator

features/iscsi/config.mk

@@ -0,0 +1,12 @@
+ISCSI_MODULES = iscsi-ibft \
+                     iscsi-tcp \
+                     iscsi-boot-sysfs \
+                     iscsi-target-mod \
+                     target-core-mod \
+                     libiscsi \
+                     libiscsi-tcp \
+                     scsi-transport-iscsi \
+                     sd_mod \
+                     sr_mod
+
+ISCSI_DATADIR = $(FEATURESDIR)/iscsi/data

features/iscsi/data/etc/initrd/cmdline.d/iscsi

@@ -0,0 +1,9 @@
+register_parameter string ISCSI_TARGET_NAME
+register_parameter string ISCSI_TARGET_IP
+register_parameter number ISCSI_TARGET_PORT
+register_parameter number ISCSI_TARGET_LUN
+register_parameter string ISCSI_INITIATOR
+register_parameter string ISCSI_USERNAME
+register_parameter string ISCSI_PASSWORD
+register_parameter string ISCSI_IN_USERNAME
+register_parameter string ISCSI_IN_PASSWORD

features/iscsi/data/etc/rc.d/init.d/iscsi

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+#!/bin/bash
+### BEGIN INIT INFO
+# Provides:            iscsi
+# Required-Start:      cmdline modules network-up
+# Should-Start:
+# Required-Stop:
+# Should-Stop:
+# Default-Start:       3 4 5
+# Default-Stop:
+### END INIT INFO
+
+[ -z "${1-}" ] || [ "$1" = start ] || exit 0
+
+if [ -z "$ISCSI_TARGET_NAME" ] || [ -z "$ISCSI_TARGET_IP" ]; then
+        exit 0
+fi
+
+if [ -z "$ISCSI_INITIATOR" ]; then
+	if [ ! -f /etc/iscsi/initiatorname.iscsi ]; then
+		mkdir -p /etc/iscsi
+		iscsi-gen-initiatorname
+	fi
+	. /etc/iscsi/initiatorname.iscsi
+        ISCSI_INITIATOR="$InitiatorName"
+fi
+
+if [ -z "$ISCSI_TARGET_PORT" ]; then
+	ISCSI_TARGET_PORT=3260
+fi
+
+if [ -z "$ISCSI_TARGET_GROUP" ]; then
+	ISCSI_TARGET_GROUP=1
+fi
+
+iscsistart -i "$ISCSI_INITIATOR" -t "$ISCSI_TARGET_NAME" \
+	-g "$ISCSI_TARGET_GROUP" -a "$ISCSI_TARGET_IP" \
+	-p "$ISCSI_TARGET_PORT" \
+	"${ISCSI_USERNAME:+-u "$ISCSI_USERNAME"}" \
+	"${ISCSI_PASSWORD:+-w "$ISCSI_PASSWORD"}" \
+	"${ISCSI_IN_USERNAME:+-U "$ISCSI_IN_USERNAME"}" \
+	"${ISCSI_IN_PASSWORD:+-W "$ISCSI_IN_PASSWORD"}"

features/iscsi/rules.mk

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+MODULES_LOAD += $(ISCSI_MODULES)
+
+PUT_PROGS += iscsistart iscsi-gen-initiatorname iscsi-iname
+PUT_FILES += $(wildcard /etc/iscsi/initiatorname.iscsi)
+PUT_FEATURE_DIRS  += $(ISCSI_DATADIR)