* [PATCH v2 0/1] Improving base-apt usage
@ 2021-10-01 9:13 Uladzimir Bely
2021-10-01 9:13 ` [PATCH v2 1/1] [meta] Use cached base-apt repo to debootstrap Uladzimir Bely
2021-10-05 8:36 ` [PATCH v2 0/1] Improving base-apt usage Henning Schild
0 siblings, 2 replies; 3+ messages in thread
From: Uladzimir Bely @ 2021-10-01 9:13 UTC (permalink / raw)
To: isar-users
Changes since v1:
- rebased on latest next
- updated patchset description
Currently, base-apt is used in the following way:
* At first build every deb file that took part in installing is cached in
directory $DL_DIR/deb/. Debootstrap is done from remote source.
* At second build, `base-apt` repo is created from previously downloaded debs
(if ISAR_USE_CACHED_BASE_REPO is set). Debootstrap and installing packages
later is done from this local repo
The idea of this patchset is to precreate `base-apt` at first build and
use it later for all steps. So, no second build will be required.
Currently, only debootstrap part is supported, all build-deps are
still installed as before.
In future, there are plans to switch from debootstrap to mmdebstrap that
is able to work without sudo and uses more clean (apt/python-apt) approach
in comparison with debootstrap.
Uladzimir Bely (1):
[meta] Use cached base-apt repo to debootstrap
meta-isar/conf/distro/ubuntu-focal.conf | 4 +
meta-isar/conf/distro/ubuntu.public.key | 53 +++++
.../isar-bootstrap/isar-bootstrap.inc | 35 ++-
scripts/debrepo.py | 216 ++++++++++++++++++
4 files changed, 307 insertions(+), 1 deletion(-)
create mode 100644 meta-isar/conf/distro/ubuntu.public.key
create mode 100644 scripts/debrepo.py
--
2.20.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2 1/1] [meta] Use cached base-apt repo to debootstrap
2021-10-01 9:13 [PATCH v2 0/1] Improving base-apt usage Uladzimir Bely
@ 2021-10-01 9:13 ` Uladzimir Bely
2021-10-05 8:36 ` [PATCH v2 0/1] Improving base-apt usage Henning Schild
1 sibling, 0 replies; 3+ messages in thread
From: Uladzimir Bely @ 2021-10-01 9:13 UTC (permalink / raw)
To: isar-users
This patch makes local base-apt repo to be created before
debootstrap task. So, debootstrap is then done from it.
The required packages are downloaded via python-apt and
reprepro creates debian-like repository from .deb files.
For debian targets host keyring is used while ubuntu/raspbian
targets use keys specified by DISTRO_BOOTSTRAP_KEYS variable.
The goal is have workable base-apt repo before first build completed.
Signed-off-by: Uladzimir Bely <ubely@ilbers.de>
---
meta-isar/conf/distro/ubuntu-focal.conf | 4 +
meta-isar/conf/distro/ubuntu.public.key | 53 +++++
.../isar-bootstrap/isar-bootstrap.inc | 35 ++-
scripts/debrepo.py | 216 ++++++++++++++++++
4 files changed, 307 insertions(+), 1 deletion(-)
create mode 100644 meta-isar/conf/distro/ubuntu.public.key
create mode 100644 scripts/debrepo.py
diff --git a/meta-isar/conf/distro/ubuntu-focal.conf b/meta-isar/conf/distro/ubuntu-focal.conf
index 4dfa201..67a59f6 100644
--- a/meta-isar/conf/distro/ubuntu-focal.conf
+++ b/meta-isar/conf/distro/ubuntu-focal.conf
@@ -11,6 +11,10 @@ DISTRO_APT_SOURCES ?= "conf/distro/${DISTRO}.list"
DISTRO_APT_SOURCES_arm64 ?= "conf/distro/${DISTRO}-ports.list"
HOST_DISTRO_APT_SOURCES_append_arm64 = " ${DISTRO_APT_SOURCES}"
+BOOTSTRAP_KEY = "file://${LAYERDIR_isar}/conf/distro/ubuntu.public.key;sha256sum=36a38199a4bf4eae1e7f574891f7dfcb79b91b87a33a499383265e1224b5e989"
+DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
+HOST_DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
+
BASE_DISTRO_CODENAME = "focal"
# that is what debootstrap_1.0.118ubuntu1 does anyways
diff --git a/meta-isar/conf/distro/ubuntu.public.key b/meta-isar/conf/distro/ubuntu.public.key
new file mode 100644
index 0000000..994f9f1
--- /dev/null
+++ b/meta-isar/conf/distro/ubuntu.public.key
@@ -0,0 +1,53 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQINBFufwdoBEADv/Gxytx/LcSXYuM0MwKojbBye81s0G1nEx+lz6VAUpIUZnbkq
+dXBHC+dwrGS/CeeLuAjPRLU8AoxE/jjvZVp8xFGEWHYdklqXGZ/gJfP5d3fIUBtZ
+HZEJl8B8m9pMHf/AQQdsC+YzizSG5t5Mhnotw044LXtdEEkx2t6Jz0OGrh+5Ioxq
+X7pZiq6Cv19BohaUioKMdp7ES6RYfN7ol6HSLFlrMXtVfh/ijpN9j3ZhVGVeRC8k
+KHQsJ5PkIbmvxBiUh7SJmfZUx0IQhNMaDHXfdZAGNtnhzzNReb1FqNLSVkrS/Pns
+AQzMhG1BDm2VOSF64jebKXffFqM5LXRQTeqTLsjUbbrqR6s/GCO8UF7jfUj6I7ta
+LygmsHO/JD4jpKRC0gbpUBfaiJyLvuepx3kWoqL3sN0LhlMI80+fA7GTvoOx4tpq
+VlzlE6TajYu+jfW3QpOFS5ewEMdL26hzxsZg/geZvTbArcP+OsJKRmhv4kNo6Ayd
+yHQ/3ZV/f3X9mT3/SPLbJaumkgp3Yzd6t5PeBu+ZQk/mN5WNNuaihNEV7llb1Zhv
+Y0Fxu9BVd/BNl0rzuxp3rIinB2TX2SCg7wE5xXkwXuQ/2eTDE0v0HlGntkuZjGow
+DZkxHZQSxZVOzdZCRVaX/WEFLpKa2AQpw5RJrQ4oZ/OfifXyJzP27o03wQARAQAB
+tEJVYnVudHUgQXJjaGl2ZSBBdXRvbWF0aWMgU2lnbmluZyBLZXkgKDIwMTgpIDxm
+dHBtYXN0ZXJAdWJ1bnR1LmNvbT6JAjgEEwEKACIFAlufwdoCGwMGCwkIBwMCBhUI
+AgkKCwQWAgMBAh4BAheAAAoJEIcZINGZG8k8LHMQAKS2cnxz/5WaoCOWArf5g6UH
+beOCgc5DBm0hCuFDZWWv427aGei3CPuLw0DGLCXZdyc5dqE8mvjMlOmmAKKlj1uG
+g3TYCbQWjWPeMnBPZbkFgkZoXJ7/6CB7bWRht1sHzpt1LTZ+SYDwOwJ68QRp7DRa
+Zl9Y6QiUbeuhq2DUcTofVbBxbhrckN4ZteLvm+/nG9m/ciopc66LwRdkxqfJ32Cy
+q+1TS5VaIJDG7DWziG+Kbu6qCDM4QNlg3LH7p14CrRxAbc4lvohRgsV4eQqsIcdF
+kuVY5HPPj2K8TqpY6STe8Gh0aprG1RV8ZKay3KSMpnyV1fAKn4fM9byiLzQAovC0
+LZ9MMMsrAS/45AvC3IEKSShjLFn1X1dRCiO6/7jmZEoZtAp53hkf8SMBsi78hVNr
+BumZwfIdBA1v22+LY4xQK8q4XCoRcA9G+pvzU9YVW7cRnDZZGl0uwOw7z9PkQBF5
+KFKjWDz4fCk+K6+YtGpovGKekGBb8I7EA6UpvPgqA/QdI0t1IBP0N06RQcs1fUaA
+QEtz6DGy5zkRhR4pGSZn+dFET7PdAjEK84y7BdY4t+U1jcSIvBj0F2B7LwRL7xGp
+SpIKi/ekAXLs117bvFHaCvmUYN7JVp1GMmVFxhIdx6CFm3fxG8QjNb5tere/YqK+
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+b9E44IpGhgWYDufj0gaM/UJ1Ti3bHfRT39VVZ6cv1P4mQy0bnAKFbYz/wo+GhzjB
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+prKIrXf5ibio48j3AFvd1dDJl2cHfyuON35/83vXKXz0FPohQ7N7kPfI+qrlGBYG
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+HWtjS+ACIdLUq/h+jlSp57jw8oQktMh2xVMX4utDM0UENeZnPllVJSlR0b+ZmZz7
+paeSar8Yxn4wsNlL7GZbpW5A/WmcmWfuMYoPhBo5Fq1V2/siKNU3UKuf1KH+X0p1
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+cYbHaImcIt7qnG4Ni0OWP4giEhjOpgxtrWgl36mdufvriwya+EHXzn36EvQ9O+bm
+3fyarsnhPe01rlsRxqBiK1JOw/g4GnpX8iLGEX1V
+=kRV1
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/meta/recipes-core/isar-bootstrap/isar-bootstrap.inc b/meta/recipes-core/isar-bootstrap/isar-bootstrap.inc
index b8af676..6c762bc 100644
--- a/meta/recipes-core/isar-bootstrap/isar-bootstrap.inc
+++ b/meta/recipes-core/isar-bootstrap/isar-bootstrap.inc
@@ -271,6 +271,37 @@ do_bootstrap[vardeps] += " \
do_bootstrap[dirs] = "${DEPLOY_DIR_BOOTSTRAP}"
do_bootstrap[depends] = "base-apt:do_cache isar-apt:do_cache_config"
+do_localrepo[lockfiles] = "${TMPDIR}/debrepo/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}/isar.lock"
+do_localrepo[depends] = "base-apt:do_cache isar-apt:do_cache_config"
+do_localrepo() {
+ debrepo_args=""
+ if [ "${BASE_DISTRO}" != "debian" ]; then
+ if [ "${BASE_DISTRO}" != "raspbian" ] || [ "${BOOTSTRAP_FOR_HOST}" = "0" ]; then
+ debrepo_args="$debrepo_args --keydir=${WORKDIR}"
+ fi
+ fi
+ if [ "${ISAR_USE_CACHED_BASE_REPO}" = "1" ]; then
+ debrepo_args="$debrepo_args --no-check-gpg"
+ fi
+ if [ "${BOOTSTRAP_FOR_HOST}" = "0" ]; then
+ arch_param="--arch=${DISTRO_ARCH}"
+ else
+ arch_param="--arch=${HOST_ARCH}"
+ fi
+ python3 "${SCRIPTSDIR}/debrepo.py" \
+ --workdir="${TMPDIR}/debrepo/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}" \
+ --repodir="${REPO_BASE_DIR}" \
+ --repodbdir="${REPO_BASE_DB_DIR}" \
+ --mirror="${@get_distro_source(d)}" \
+ ${arch_param} \
+ --distro="${BASE_DISTRO}" \
+ --codename="${BASE_DISTRO_CODENAME}" \
+ --components="main,contrib,non-free" \
+ ${debrepo_args} \
+ gnupg locales
+ #deb_dl_dir_export "${TMPDIR}/debrepo/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}" "${BOOTSTRAP_DISTRO}"
+}
+
do_bootstrap() {
if [ "${ISAR_ENABLE_COMPAT_ARCH}" = "1" ]; then
if [ -z "${COMPAT_DISTRO_ARCH}" ]; then
@@ -293,6 +324,7 @@ do_bootstrap() {
sudo rm -rf --one-file-system "${ROOTFSDIR}"
deb_dl_dir_import "${ROOTFSDIR}" "${BOOTSTRAP_DISTRO}"
+ debootstrap_args="$debootstrap_args --no-check-gpg"
sudo -E -s <<'EOSUDO'
set -e
if [ "${BOOTSTRAP_FOR_HOST}" = "0" ]; then
@@ -303,7 +335,7 @@ do_bootstrap() {
${@get_distro_components_argument(d)} \
"${@get_distro_suite(d)}" \
"${ROOTFSDIR}" \
- "${@get_distro_source(d)}" \
+ "file://${REPO_BASE_DIR}/${BASE_DISTRO}" \
${DISTRO_DEBOOTSTRAP_SCRIPT}
# Install apt config
@@ -398,6 +430,7 @@ EOSUDO
}
addtask bootstrap before do_build after do_generate_keyrings
+addtask localrepo before do_bootstrap after do_generate_keyrings
CLEANFUNCS = "clean_deploy"
clean_deploy() {
diff --git a/scripts/debrepo.py b/scripts/debrepo.py
new file mode 100644
index 0000000..ae7369a
--- /dev/null
+++ b/scripts/debrepo.py
@@ -0,0 +1,216 @@
+#!/usr/bin/python3
+
+import os
+import sys
+
+import subprocess
+import getopt
+
+import apt_pkg
+import apt.progress.base
+
+class DebRepo(object):
+ def __init__(self, workdir, repodir, repodbdir, mirror, arch, distro, codename, components, keydir, check_gpg):
+ self.mirror = mirror
+ self.arch = arch
+ self.distro = distro
+ self.codename = codename
+ self.components = components.replace(",", " ")
+
+ self.rootfs = workdir
+ self.repo = repodir + "/" + distro
+ self.repodb = repodbdir + "/" + distro
+
+ self.keydir = keydir
+ self.check_gpg = check_gpg
+
+ self.cache = None
+ self.depcache = None
+
+
+ def create_rootfs(self):
+ if not os.path.exists(self.rootfs + "/var/lib/dpkg"):
+ os.makedirs(self.rootfs + "/var/lib/dpkg")
+ f = open(self.rootfs + "/var/lib/dpkg" + "/status", "w")
+ f.flush
+ f.close
+
+ if not os.path.exists(self.rootfs + "/etc/apt/"):
+ os.makedirs(self.rootfs + "/etc/apt/")
+ f = open(self.rootfs + "/etc/apt/sources.list", "w")
+ f.write("deb [arch=" + self.arch + "] " + self.mirror + " " + self.codename + " " + self.components + "\n")
+ f.flush
+ f.close
+
+ if not os.path.exists(self.rootfs + "/var/cache/apt/archives/partial"):
+ os.makedirs(self.rootfs + "/var/cache/apt/archives/partial")
+
+
+ def create_repo_dist(self):
+ if not os.path.exists(self.repo + "/conf"):
+ os.makedirs(self.repo + "/conf")
+ f = open(self.repo + "/conf" + "/distributions", "w")
+ f.write("Codename: " + self.codename + "\n")
+ f.write("Architectures: i386 armhf arm64 amd64 mipsel riscv64 source" + "\n")
+ f.write("Components: " + self.components + "\n")
+ f.flush
+ f.close
+
+
+ def apt_config(self):
+ # Configure apt to work with empty directory
+ apt_pkg.config.set("APT::Architecture", self.arch)
+ apt_pkg.config.set("Dir", self.rootfs)
+ apt_pkg.config.set("Dir::Cache", self.rootfs + "/var/cache/apt")
+ apt_pkg.config.set("Dir::State::status", self.rootfs + "/var/lib/dpkg/status")
+
+ apt_pkg.config.set("APT::Install-Recommends", "0")
+ apt_pkg.config.set("APT::Install-Suggests", "0")
+
+ # Use host keys for authentification
+ #apt_pkg.config.set("Dir::Etc::Trusted", "/etc/apt/trusted.gpg")
+ #apt_pkg.config.set("Dir::Etc::TrustedParts", "/etc/apt/trusted.gpg.d")
+ apt_pkg.config.set("Dir::Etc::TrustedParts", self.keydir)
+
+ # Allow using repositories without keys
+ if not self.check_gpg:
+ apt_pkg.config.set("Acquire::AllowInsecureRepositories", "1")
+
+
+ def mark_essential(self):
+ for pkg in self.cache.packages:
+ if pkg.essential:
+ self.depcache.mark_install(pkg)
+
+
+ def mark_by_prio(self, priority):
+ for pkg in self.cache.packages:
+ ver = self.depcache.get_candidate_ver(pkg)
+ if ver and ver.priority <= priority:
+ self.depcache.mark_install(pkg)
+
+
+ def mark_list(self, pkglist):
+ if pkglist:
+ for pkgname in pkglist:
+ pkg = self.cache[pkgname]
+ self.depcache.mark_install(pkg)
+
+
+ def handle_deb(self, item):
+ subprocess.run([
+ "reprepro",
+ "--dbdir", self.repodb,
+ "--outdir", self.repo,
+ "--confdir", self.repo + "/conf",
+ "-C", "main",
+ "includedeb",
+ self.codename,
+ item.destfile
+ ])
+
+ def handle_repo(self, fetcher):
+ fetcher.run()
+ for item in fetcher.items:
+ if item.status == item.STAT_ERROR:
+ print("Some error ocured: '%s'" % item.error_text)
+ pass
+ else:
+ self.handle_deb(item)
+
+ def clean_rootfs(self):
+ return
+ subprocess.run(["rm", "-rf", self.rootfs])
+
+ def apt_run(self, pkglist):
+ apt_pkg.init()
+
+ sources = apt_pkg.SourceList()
+ sources.read_main_list()
+
+ progress = apt.progress.text.AcquireProgress()
+
+ self.cache = apt_pkg.Cache()
+ self.cache.update(progress, sources)
+ self.cache = apt_pkg.Cache()
+
+ self.depcache = apt_pkg.DepCache(self.cache)
+
+ self.mark_essential()
+ #1 - required, 2 - important, 3 - standard, 4 - optional, 5 - extra
+ self.mark_by_prio(1)
+ self.mark_list(pkglist)
+
+ fetcher = apt_pkg.Acquire(progress)
+ pm = apt_pkg.PackageManager(self.depcache)
+
+ recs = apt_pkg.PackageRecords(self.cache)
+ pm.get_archives(fetcher, sources, recs)
+
+ self.handle_repo(fetcher)
+
+ self.clean_rootfs()
+
+def main():
+ workdir = "./rootfs"
+ repodir = "./apt"
+ repodbdir = "./db"
+ mirror="http://deb.debian.org/debian"
+ arch="amd64"
+ distro="debian"
+ codename="bullseye"
+ components="main,contrib,non-free"
+ keydir = "/etc/apt/trusted.gpg.d"
+ check_gpg = True
+
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], "", [
+ "workdir=",
+ "repodir=",
+ "repodbdir=",
+ "mirror=",
+ "arch=",
+ "distro=",
+ "codename=",
+ "components=",
+ "keydir=",
+ "no-check-gpg",
+ ])
+ except getopt.GetoptError as msg:
+ print("Error: " + str(msg))
+ sys.exit(2)
+
+ for opt, arg in opts:
+ if opt in ("--workdir"):
+ workdir = arg
+ if opt in ("--repodir"):
+ repodir = arg
+ if opt in ("--repodbdir"):
+ repodbdir = arg
+ if opt in ("--mirror"):
+ mirror = arg
+ if opt in ("--arch"):
+ arch = arg
+ if opt in ("--distro"):
+ distro = arg
+ if opt in ("--codename"):
+ codename = arg
+ if opt in ("--components"):
+ components = arg
+ if opt in ("--keydir"):
+ keydir = arg
+ if opt in ("--no-check-gpg"):
+ check_gpg = False
+
+ preinst = args
+
+ debrepo = DebRepo(workdir, repodir, repodbdir, mirror, arch, distro, codename, components, keydir, check_gpg)
+
+ debrepo.create_rootfs()
+ debrepo.create_repo_dist()
+ debrepo.apt_config()
+ debrepo.apt_run(preinst)
+
+
+if __name__ == "__main__":
+ main()
--
2.20.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2 0/1] Improving base-apt usage
2021-10-01 9:13 [PATCH v2 0/1] Improving base-apt usage Uladzimir Bely
2021-10-01 9:13 ` [PATCH v2 1/1] [meta] Use cached base-apt repo to debootstrap Uladzimir Bely
@ 2021-10-05 8:36 ` Henning Schild
1 sibling, 0 replies; 3+ messages in thread
From: Henning Schild @ 2021-10-05 8:36 UTC (permalink / raw)
To: Uladzimir Bely; +Cc: isar-users
Am Fri, 1 Oct 2021 11:13:28 +0200
schrieb Uladzimir Bely <ubely@ilbers.de>:
> Changes since v1:
> - rebased on latest next
> - updated patchset description
>
> Currently, base-apt is used in the following way:
> * At first build every deb file that took part in installing is
> cached in directory $DL_DIR/deb/. Debootstrap is done from remote
> source.
> * At second build, `base-apt` repo is created from previously
> downloaded debs (if ISAR_USE_CACHED_BASE_REPO is set). Debootstrap
> and installing packages later is done from this local repo
>
> The idea of this patchset is to precreate `base-apt` at first build
> and use it later for all steps. So, no second build will be required.
>
> Currently, only debootstrap part is supported, all build-deps are
> still installed as before.
I do not get where the improvement is. A second offline run is _always_
useful to verify the cache is complete and can be used for a rebuild.
If one just wants that cache ... one would only run that base-apt task
in the second run. So a fast path without real build is supported. We
could even run that base-apt task at the end of the first run ... it
used to be an optional task at the end before i moved it to the front.
Since your code is not "complete" and just taking care of part of the
problem (which to me is not even clear) ... i am against merging that.
There is debugging leftofters in the code, but i did not look too deep
yet. And it seems like a lot of host leakage is coming into play with
the use of the python libs. That weird difference between
ubuntu/raspbian and debian is one example. So now one can not run isar
on ubuntu anymore ... (not sure if it worked before ... but would be
nice if it could).
Henning
> In future, there are plans to switch from debootstrap to mmdebstrap
> that is able to work without sudo and uses more clean
> (apt/python-apt) approach in comparison with debootstrap.
>
> Uladzimir Bely (1):
> [meta] Use cached base-apt repo to debootstrap
>
> meta-isar/conf/distro/ubuntu-focal.conf | 4 +
> meta-isar/conf/distro/ubuntu.public.key | 53 +++++
> .../isar-bootstrap/isar-bootstrap.inc | 35 ++-
> scripts/debrepo.py | 216
> ++++++++++++++++++ 4 files changed, 307 insertions(+), 1 deletion(-)
> create mode 100644 meta-isar/conf/distro/ubuntu.public.key
> create mode 100644 scripts/debrepo.py
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-10-01 9:13 [PATCH v2 0/1] Improving base-apt usage Uladzimir Bely
2021-10-01 9:13 ` [PATCH v2 1/1] [meta] Use cached base-apt repo to debootstrap Uladzimir Bely
2021-10-05 8:36 ` [PATCH v2 0/1] Improving base-apt usage Henning Schild
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