Add support fot zstd compression instead of xz (optional)
Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
This commit is contained in:
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7913f0ca22
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a4dfae1286
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@ -0,0 +1,84 @@
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diff --git a/appcreate/appliance.py b/appcreate/appliance.py
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index c6706cb..6276600 100644
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--- a/appcreate/appliance.py
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+++ b/appcreate/appliance.py
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@@ -47,7 +47,7 @@ class ApplianceImageCreator(ImageCreator):
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"""
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- def __init__(self, ks, name, disk_format, vmem, vcpu, releasever=None, no_compress=False):
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+ def __init__(self, ks, name, disk_format, vmem, vcpu, releasever=None, no_compress=False, zstd=False, zstd_level=None):
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"""Initialize a ApplianceImageCreator instance.
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This method takes the same arguments as ImageCreator.__init__()
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@@ -60,6 +60,8 @@ class ApplianceImageCreator(ImageCreator):
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self.__disks = {}
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self.__disk_format = disk_format
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self.__compress = not no_compress
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+ self.__zstd = zstd
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+ self.__zstd_level = zstd_level
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#appliance parameters
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self.vmem = vmem
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@@ -657,14 +659,29 @@ class ApplianceImageCreator(ImageCreator):
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dst = "%s/%s-%s.%s" % (self._outdir, self.name, name, self.__disk_format)
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if self.__compress:
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- # Compress with xz using 16 MiB block size for seekability
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- rc = subprocess.call(["xz", "-z", "--block-size=16777216", "-T 0", src])
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- if rc == 0:
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- logging.debug("compression successful")
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- if rc != 0:
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- raise CreatorError("Unable to compress disk to %s" % self.__disk_format)
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- src = "%s.xz" % (src)
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- dst = "%s.xz" % (dst)
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+ if self.__zstd:
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+ # Compress with zstd using 16MiB blocks size (for future seekability)
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+ zstd_cmd = ["zstd", "-z", "--block-size=16777216", "-T0", src]
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+ # Use custom compression level if specified
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+ if self.__zstd_level:
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+ zstd_cmd.append("-%s" % self.__zstd_level)
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+ zstd_cmd.append(src)
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+ rc = subprocess.call(zstd_cmd)
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+ if rc == 0:
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+ logging.debug("compression successful")
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+ if rc != 0:
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+ raise CreatorError("Unable to compress disk to %s, command: %s" % (self.__disk_format, zstd_cmd))
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+ src = "%s.zst" % (src)
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+ dst = "%s.zst" % (dst)
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+ else:
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+ # Compress with xz using 16 MiB block size for seekability
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+ rc = subprocess.call(["xz", "-z", "--block-size=16777216", "-T 0", src])
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+ if rc == 0:
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+ logging.debug("compression successful")
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+ if rc != 0:
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+ raise CreatorError("Unable to compress disk to %s" % self.__disk_format)
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+ src = "%s.xz" % (src)
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+ dst = "%s.xz" % (dst)
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logging.debug("moving %s to %s" % (src, dst))
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shutil.move(src, dst)
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diff --git a/tools/appliance-creator b/tools/appliance-creator
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index eef1ede..6a0cf1c 100755
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--- a/tools/appliance-creator
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+++ b/tools/appliance-creator
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@@ -61,6 +61,10 @@ def parse_options(args):
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help="Disk format (default: raw)")
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appopt.add_option("", "--no-compress", action="store_true", dest="no_compress", default=False,
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help="Avoid compressing the image")
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+ appopt.add_option("", "--zstd", action="store_true", dest="zstd", default=False,
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+ help="Compress the image using zstd instead of xz")
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+ appopt.add_option("", "--zstd-level", type="int", dest="zstd_level",
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+ help="Compress using specified compression level for zstd")
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parser.add_option_group(appopt)
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@@ -134,7 +138,7 @@ def main():
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if options.name:
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name = options.name
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- creator = appcreate.ApplianceImageCreator(ks, name, options.disk_format, options.vmem, options.vcpu, releasever=options.version, no_compress=options.no_compress)
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+ creator = appcreate.ApplianceImageCreator(ks, name, options.disk_format, options.vmem, options.vcpu, releasever=options.version, no_compress=options.no_compress, zstd=options.zstd, zstd_level=options.zstd_level)
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creator.tmpdir = options.tmpdir
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creator.checksum = options.checksum
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@ -12,7 +12,7 @@
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Name: appliance-tools
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Summary: Tools for building Appliances
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Version: 009.0
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Release: 7%{?dist}
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Release: 7.0.riscv64%{?dist}
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License: GPLv2
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URL: https://pagure.io/appliance-tools
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@ -22,6 +22,10 @@ Source0: https://releases.pagure.org/%{name}/%{name}-%{version}.tar.bz2
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Patch0001: 0001-fstype-is-optional-for-swap-check-mountpoint-also.patch
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Patch0002: 0001-Leave-more-space-4MB-for-uboot-before-the-first-part.patch
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# NOT upstream
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# Add support for zstd compression instead of xz (optional)
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Patch0010: appliance-tools-add-zstd.patch
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# Ensure system deps are installed (rhbz#1409536)
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Requires: python%{python_pkgversion}-imgcreate >= 1:25.0-2
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Requires: python%{python_pkgversion}-progress
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@ -30,6 +34,7 @@ Requires: curl rsync kpartx
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Requires: zlib
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Requires: qemu-img
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Requires: xz
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Requires: zstd
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Requires: xfsprogs
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Requires: sssd-client
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BuildRequires: python%{python_pkgversion}-devel
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@ -65,6 +70,9 @@ rm -rf %{buildroot}%{_datadir}/doc/%{name}
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%{python_sitelib}/ec2convert/
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%changelog
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* Wed Oct 02 2019 David Abdurachmanov <david.abdurachmanov@sifive.com> - 009.0-7.0.riscv64
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- Add support for zstd compression for images (optional)
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* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 009.0-7
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
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