Some initial partitioning

alpine/build-rootfs.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -euo pipefail
+
 /preload-k8s-images.sh || exit 1
 
 REGISTRY_DATA_DIR="${KUBE_IMG_CACHE}/registry-data/${ARCH}/${KUBE_VERSION}"
@@ -11,6 +13,7 @@ cp -a "${REGISTRY_DATA_DIR}/." "${ROOTFS}/var/lib/registry/"
 
 mkdir -p "$ROOTFS/var/cache/apk"
 mkdir -p "$ROOTFS/var/cache/k8s-images"
+mkdir -p "$ROOTFS/opt/monok8s/config"
 mkdir -p "$ROOTFS/build"
 
 mount --bind /var/cache/apk "$ROOTFS/var/cache/apk"
@@ -51,12 +54,15 @@ rm -r "$ROOTFS/build"
 echo "##################################################### Packaging RootFS "$( du -sh "$ROOTFS/" )
 
 IMG=output.img
-SIZE=3072MB
+SIZE=8GB
 
 dd if=/dev/zero of="$IMG" bs=1 count=0 seek=$SIZE
 
 sgdisk -o "$IMG" \
-  -n 1:65536:-1M -t 1:8300
+  -n 1:2048:+64M  -t 1:0700 -c 1:config \
+  -n 2:0:+3G      -t 2:8300 -c 2:rootfsA \
+  -n 3:0:+3G      -t 3:8300 -c 3:rootfsB \
+  -n 4:0:0        -t 4:8300 -c 4:data
 
 losetup -D
 LOOP=$(losetup --find --show -P "$IMG")
@@ -64,11 +70,14 @@ LOOP=$(losetup --find --show -P "$IMG")
 /sync-loop.sh "$LOOP"
 
 TMP_LOOP="/tmp$LOOP"
-mkfs.ext4 -F "${TMP_LOOP}p1"
+mkfs.vfat -F 32 -n MONOK8S_CFG "${TMP_LOOP}p1"
+mkfs.ext4 -F "${TMP_LOOP}p2"
+mkfs.ext4 -F "${TMP_LOOP}p3"
+mkfs.ext4 -F "${TMP_LOOP}p4"
 
 mkdir -p /mnt/img-root
 
-mount "${TMP_LOOP}p1" /mnt/img-root
+mount "${TMP_LOOP}p2" /mnt/img-root
 
 cp -a "$ROOTFS"/. /mnt/img-root/
 

alpine/rootfs-extra/etc/fstab

@@ -0,0 +1,2 @@
+PARTLABEL=config               /opt/monok8s/config   vfat    defaults,noatime               0      0
+PARTLABEL=data                 /data                 ext4    defaults,noatime               0      21