Merge pull request #179 from oleorhagen/cherry-MEN-3172

Cherry men 3172

configs/images/raspberrypi3_raspbian_config

@@ -12,3 +12,37 @@ IMAGE_OVERHEAD_FACTOR=1.0
 
 # Best compression there is!
 MENDER_COMPRESS_DISK_IMAGE=lzma
+
+#
+# Resize the data partition to fill the remaining space, using parted, with systemd
+#
+function grow_data_partition() {
+  log_info "Adding systemd init script to run parted and resize the data partition on boot"
+  log_info "to fill all the available space on the storage media"
+  run_and_log_cmd "sudo mkdir -p work/rpi/etc/systemd/system/"
+  run_and_log_cmd "sudo mkdir -p work/rootfs/etc/systemd/system/data.mount.wants/"
+  cat <<-EOF > work/rpi/etc/systemd/system/mender-grow-data.service
+  [Unit]
+  Description=Mender service to grow data partition size
+  DefaultDependencies=no
+  Before=data.mount
+  Before=systemd-growfs@data.service
+
+  [Service]
+  Type=oneshot
+  User=root
+  Group=root
+  ExecStart=/sbin/parted --script /dev/mmcblk0 resizepart ${MENDER_DATA_PART_NUMBER} 100%
+
+  [Install]
+  WantedBy=data.mount
+EOF
+
+  # Install
+  run_and_log_cmd "cp work/rpi/etc/systemd/system/mender-grow-data.service \
+                      work/rootfs/etc/systemd/system/"
+  run_and_log_cmd "ln -sf work/rootfs/etc/systemd/system/mender-grow-data.service \
+                          work/rootfs/etc/systemd/system/data.mount.wants/"
+}
+
+PLATFORM_MODIFY_HOOKS+=(grow_data_partition)

mender-convert-modify

@@ -19,10 +19,12 @@
 function platform_modify() {
   true
 }
+PLATFORM_MODIFY_HOOKS=(platform_modify)
 
 function user_local_modify() {
   true
 }
+USER_LOCAL_MODIFY_HOOKS=(user_local_modify)
 
 function trap_exit() {
   echo "mender-convert-modify has finished. Cleaning up..."
@@ -233,10 +235,16 @@ ${MENDER_STORAGE_DEVICE_BASE}${MENDER_DATA_PART_NUMBER}   /data          auto
 EOF"
 
 log_info "Performing platform specific modifications (if any)"
-platform_modify
+for hook in "${PLATFORM_MODIFY_HOOKS[@]}"; do
+  log_info "Running hook: $hook"
+  eval $hook
+done
 
 log_info "Performing user/local specific modifications (if any)"
-user_local_modify
+for hook in "${USER_LOCAL_MODIFY_HOOKS[@]}"; do
+  log_info "Running hook: $hook"
+  eval $hook
+done
 
 for overlay in "${overlays[@]}"; do
   log_info "Applying rootfs overlay: ${overlay}"

mender-convert-package

@@ -19,6 +19,7 @@
 function platform_package() {
   true
 }
+PLATFORM_PACKAGE_HOOKS=(platform_package)
 
 function trap_exit() {
   echo "mender-convert-package has finished. Cleaning up..."
@@ -244,7 +245,10 @@ disk_write_at_offset "${output_dir}/rootfs.img" "${img_path}" "${rootfsb_start}"
 disk_write_at_offset "${output_dir}/data.img" "${img_path}" "${data_start}"
 
 log_info "Performing platform specific package operations (if any)"
-platform_package
+for hook in "${PLATFORM_PACKAGE_HOOKS[@]}"; do
+  log_info "Running hook: $hook"
+  eval $hook
+done
 
 # Create bmap index
 if [ "${MENDER_USE_BMAP}" == "y" ]; then