Add option to build netboot files and disk image size

tools-image/netboot.sh

@@ -3,20 +3,20 @@
 
 ISO=$1
 OUTPUT_NAME=$2
-VERSION=$3
+ARTIFACT_NAME=$(basename $OUTPUT_NAME)
 
 isoinfo -x /rootfs.squashfs -R -i $ISO > $OUTPUT_NAME.squashfs
 isoinfo -x /boot/kernel -R -i $ISO > $OUTPUT_NAME-kernel
 isoinfo -x /boot/initrd -R -i $ISO > $OUTPUT_NAME-initrd
 
-RELEASE_URL=${RELEASE_URL:-https://github.com/kairos-io/kairos/releases/download}
+URL=${URL:-https://github.com/kairos-io/kairos/releases/download}
 
 cat > $OUTPUT_NAME.ipxe << EOF
 #!ipxe
-set url ${RELEASE_URL}/
-set kernel $OUTPUT_NAME-kernel
-set initrd $OUTPUT_NAME-initrd
-set rootfs $OUTPUT_NAME.squashfs
+set url ${URL}/
+set kernel $ARTIFACT_NAME-kernel
+set initrd $ARTIFACT_NAME-initrd
+set rootfs $ARTIFACT_NAME.squashfs
 # set config https://example.com/machine-config
 # set cmdline extra.values=1
 kernel \${url}/\${kernel} initrd=\${initrd} ip=dhcp rd.cos.disable root=live:\${url}/\${rootfs} netboot nodepair.enable config_url=\${config} console=tty1 console=ttyS0 \${cmdline}

tools-image/raw-images.sh

@@ -9,6 +9,7 @@
 
 : "${OEM_LABEL:=COS_OEM}"
 : "${RECOVERY_LABEL:=COS_RECOVERY}"
+: "${EXTEND:=}"
 
 DIRECTORY=$1
 OUT=${2:-disk.raw}
@@ -66,6 +67,11 @@ truncate -s $((3*1024*1024)) $OUT
 # Add an extra MB at the end of the disk for the gpt headers, in fact 34 sectors would be enough, but adding some more does not hurt.
 truncate -s "+$((1024*1024))" $OUT
 
+if [ -n "$EXTEND" ]; then
+  echo "Extending image of $EXTEND MB"
+  truncate -s "+$(($EXTEND*1024*1024))" $OUT
+fi
+
 # Create the partition table in $OUT (assumes sectors of 512 bytes)
 sgdisk -n 1:2048:+2M -c 1:legacy -t 1:EF02 $OUT
 sgdisk -n 2:0:+20M -c 2:UEFI -t 2:EF00 $OUT