diff options
Diffstat (limited to 'scripts/lib/mic/kickstart/custom_commands')
| -rw-r--r-- | scripts/lib/mic/kickstart/custom_commands/partition.py | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/scripts/lib/mic/kickstart/custom_commands/partition.py b/scripts/lib/mic/kickstart/custom_commands/partition.py index 4974a87d93..91d751eb16 100644 --- a/scripts/lib/mic/kickstart/custom_commands/partition.py +++ b/scripts/lib/mic/kickstart/custom_commands/partition.py @@ -56,6 +56,12 @@ class Wic_PartData(Mic_PartData): return retval + def get_size(self): + """ + Accessor for partition size, 0 or --size before set_size(). + """ + return self.size + def set_size(self, size): """ Accessor for actual partition size, which must be set by source @@ -70,6 +76,29 @@ class Wic_PartData(Mic_PartData): """ self.source_file = source_file + def get_extra_block_count(self, current_blocks): + """ + The --size param is reflected in self.size (in MB), and we already + have current_blocks (1k) blocks, calculate and return the + number of (1k) blocks we need to add to get to --size, 0 if + we're already there or beyond. + """ + msger.debug("Requested partition size for %s: %d" % \ + (self.mountpoint, self.size)) + + if not self.size: + return 0 + + requested_blocks = self.size * 1024 + + msger.debug("Requested blocks %d, current_blocks %d" % \ + (requested_blocks, current_blocks)) + + if requested_blocks > current_blocks: + return requested_blocks - current_blocks + else: + return 0 + def prepare(self, cr, cr_workdir, oe_builddir, rootfs_dir, bootimg_dir, kernel_dir, native_sysroot): """ @@ -147,16 +176,22 @@ class Wic_PartData(Mic_PartData): """ populate_script = "%s/usr/bin/populate-extfs.sh" % native_sysroot - image_extra_space = 10240 - image_rootfs = rootfs_dir rootfs = "%s/rootfs.%s" % (cr_workdir, self.fstype) du_cmd = "du -ks %s" % image_rootfs rc, out = exec_cmd(du_cmd) - actual_rootfs_size = out.split()[0] + actual_rootfs_size = int(out.split()[0]) + + extra_blocks = self.get_extra_block_count(actual_rootfs_size) + + if extra_blocks < IMAGE_EXTRA_SPACE: + extra_blocks = IMAGE_EXTRA_SPACE + + rootfs_size = actual_rootfs_size + extra_blocks - rootfs_size = int(actual_rootfs_size) + image_extra_space + msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \ + (extra_blocks, self.mountpoint, rootfs_size)) dd_cmd = "dd if=/dev/zero of=%s bs=1024 seek=%d count=0 bs=1k" % \ (rootfs, rootfs_size) @@ -187,16 +222,22 @@ class Wic_PartData(Mic_PartData): Currently handles ext2/3/4 and btrfs. """ - image_extra_space = 10240 - image_rootfs = rootfs_dir rootfs = "%s/rootfs.%s" % (cr_workdir, self.fstype) du_cmd = "du -ks %s" % image_rootfs rc, out = exec_cmd(du_cmd) - actual_rootfs_size = out.split()[0] + actual_rootfs_size = int(out.split()[0]) + + extra_blocks = self.get_extra_block_count(actual_rootfs_size) + + if extra_blocks < IMAGE_EXTRA_SPACE: + extra_blocks = IMAGE_EXTRA_SPACE + + rootfs_size = actual_rootfs_size + extra_blocks - rootfs_size = int(actual_rootfs_size) + image_extra_space + msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \ + (extra_blocks, self.mountpoint, rootfs_size)) dd_cmd = "dd if=/dev/zero of=%s bs=1024 seek=%d count=0 bs=1k" % \ (rootfs, rootfs_size) |