Migration to SCHROOT

[srinu <srinuvasan.a@siemens.com>]

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Hi All,

           Recently we are migrating one of our downstream layer from 
BUILDCHROOT to SBUILDCHROOT.

My understanding follows:
 
Schroot is the light weight chroot and it's contains the bare-metal 
packages which will be
used across all the recipes, it has common list of the packages installed 
in minimum Debian file system.

In ISAR we have imager_run function, which is mostly used in the imager 
creation part, it will start the session using sbuildchroot and do the 
necessary shell commands then remove the sessions.

I used this imager_run for my downstream layer specifically for imager 
part, but apart from i have some other scenario as well

In the existing implementation, we install our few custom packages in 
buildchroot and later this will referenced for processing the image 
creation, but this is not possible with the session kind of chroot.

Hence i revert back the few configuration like "configure_isar_apt", now i 
have bootstrap.list as well as the isar-apt.list in /etc/apt/source.list.d, 
in this scenario i can able to install my custom packages in persistent 
schroot, later this package refer for some other purposes.

With this changes most of the things are working fine, but in simatic-vmm 
recipe it getting failed.

When i enable the logs in sbuild, by default it's doing apt-get upgrade , 
hence we have two list and isar-apt list is the highest priority, actually 
we need some version changes in base-files therefore we make this as a 
custom package.

Sbuild by default doing the apt-get upgrade in this time already base-files 
installed in the bootstrap (debian upstream version), and it is upgraded 
from isar-apt, but i don't want to upgrade here for just building the 
packages.

i disable the apt-get upgrade but again my build get failed for first time, 
when i retrigger it's getting passed.

I hope the Dpkg::Option::=--force-confold to be the reason.


*My requirements:*

 1. How to install the custom packages in persistent schroot , other than 
what is used method here
2.In Old buildchroot it is upgraded in the bootstrap stage itself, not 
buildchroot stage, how to disable upgrade packages in sbuild?, i used 
--no-apt-upgrade but not works.


Logs when i disable apt-get upgrade:

D: Running command: schroot -d / -c 
mel-mandovi-c0b2ad7f-cc62-434e-8f59-8a4441c185ee-1288637-69a848ac-1e41-4f06-a047-90d272df6b9a 
--run-session -q -u root -p -- apt-cache gencaches
E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to 
correct the problem.
E: Updating apt archive failed
D: Setting This Time=0
I: schroot -d / -c 
mel-mandovi-c0b2ad7f-cc62-434e-8f59-8a4441c185ee-1288637-69a848ac-1e41-4f06-a047-90d272df6b9a 
--run-session -q -u root -p -- test -d /<<PKGBUILDDIR>>
D: Running command: schroot -d / -c 
mel-mandovi-c0b2ad7f-cc62-434e-8f59-8a4441c185ee-1288637-69a848ac-1e41-4f06-a047-90d272df6b9a 
--run-session -q -u root -p -- test -d /<<PKGBUILDDIR>>
D: Setting This Space=-1
D: Error run_fetch_install_packages(): Package build dependencies not 
satisfied; skippingD: Setting Pkg Status=failed
D: Setting Pkg Fail Stage=install-deps
I: schroot -d / -c 
mel-mandovi-c0b2ad7f-cc62-434e-8f59-8a4441c185ee-1288637-69a848ac-1e41-4f06-a047-90d272df6b9a 
--run-session -q -u root -p -- apt-get --purge -o 
DPkg::Options::=--force-confold -o 
DPkg::Options::=--refuse-remove-essential -o APT::Install-Recommends=false 
-o Dpkg::Use-Pty=false -q --simulate install 
sbuild-build-depends-main-dummy -oDebug::pkgProblemResolver=true 
-oDebug::pkgDepCache::Marker=1 -oDebug::pkgDepCache::AutoInstall=1 
-oDebug::BuildDeps=1
D: Running command: schroot -d / -c 
mel-mandovi-c0b2ad7f-cc62-434e-8f59-8a4441c185ee-1288637-69a848ac-1e41-4f06-a047-90d272df6b9a 
--run-session -q -u root -p -- apt-get --purge -o 
DPkg::Options::=--force-confold -o 
DPkg::Options::=--refuse-remove-essential -o APT::Install-Recommends=false 
-o Dpkg::Use-Pty=false -q --simulate install 
sbuild-build-depends-main-dummy -oDebug::pkgProblemResolver=true 
-oDebug::pkgDepCache::Marker=1 -oDebug::pkgDepCache::AutoInstall=1 
-oDebug::BuildDeps=1
Reading package lists...
Building dependency tree...
Reading state information...
  MarkInstall sbuild-build-depends-main-dummy:amd64 < none -> 0.invalid.0 
@un puN Ib > FU=1
  Installing linux-headers-ipc:amd64 as Depends of 
sbuild-build-depends-main-dummy:amd64
    MarkInstall linux-headers-ipc:amd64 < none -> 4:6.1.54-cip6-rt3+ind2-1 
@un puN > FU=0
      MarkInstall libc6:amd64 < 2.36-9+deb12u3 @ii pK > FU=0
        MarkInstall libgcc-s1:amd64 < 12.2.0-14 @ii pK > FU=0
          MarkInstall gcc-12-base:amd64 < 12.2.0-14 @ii pK > FU=0
      MarkInstall libssl3:amd64 < 3.0.11-1~deb12u2 @ii pK > FU=0
    MarkInstall build-essential:amd64 < 12.9 @ii pK > FU=0
      MarkInstall libc6-dev:amd64 < 2.36-9+deb12u3 @ii pK > FU=0
        MarkInstall linux-libc-dev:amd64 < 6.1.55-1 @ii pK > FU=0
        MarkInstall libcrypt-dev:amd64 < 1:4.4.33-2 @ii pK > FU=0
          MarkInstall libcrypt1:amd64 < 1:4.4.33-2 @ii pK > FU=0
        MarkInstall libnsl-dev:amd64 < 1.3.0-2 @ii pK > FU=0
          MarkInstall libnsl2:amd64 < 1.3.0-2 @ii pK > FU=0
            MarkInstall libtirpc3:amd64 < 1.3.3+ds-1 @ii pK > FU=0
              MarkInstall libgssapi-krb5-2:amd64 < 1.20.1-2+deb12u1 @ii pK 
> FU=0
                MarkInstall libcom-err2:amd64 < 1.47.0-2 @ii pK > FU=0
                MarkInstall libk5crypto3:amd64 < 1.20.1-2+deb12u1 @ii pK > 
FU=0
                  MarkInstall libkrb5support0:amd64 < 1.20.1-2+deb12u1 @ii 
pK > FU=0
                MarkInstall libkrb5-3:amd64 < 1.20.1-2+deb12u1 @ii pK > FU=0
                  MarkInstall libkeyutils1:amd64 < 1.6.3-2 @ii pK > FU=0
              MarkInstall libtirpc-common:amd64 < 1.3.3+ds-1 @ii pK > FU=0
          MarkInstall libtirpc-dev:amd64 < 1.3.3+ds-1 @ii pK > FU=0
      MarkInstall gcc:amd64 < 4:12.2.0-3 @ii pK > FU=0
        MarkInstall cpp:amd64 < 4:12.2.0-3 @ii pK > FU=0
          MarkInstall cpp-12:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libgmp10:amd64 < 2:6.2.1+dfsg1-1.1 @ii pK > FU=0
            MarkInstall libisl23:amd64 < 0.25-1 @ii pK > FU=0
            MarkInstall libmpc3:amd64 < 1.3.1-1 @ii pK > FU=0
              MarkInstall libmpfr6:amd64 < 4.2.0-1 @ii pK > FU=0
            MarkInstall libzstd1:amd64 < 1.5.4+dfsg2-5 @ii pK > FU=0
            MarkInstall zlib1g:amd64 < 1:1.2.13.dfsg-1 @ii pK > FU=0
        MarkInstall gcc-12:amd64 < 12.2.0-14 @ii pK > FU=0
          MarkInstall libcc1-0:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libstdc++6:amd64 < 12.2.0-14 @ii pK > FU=0
          MarkInstall binutils:amd64 < 2.40-2 @ii pK > FU=0
            MarkInstall binutils-common:amd64 < 2.40-2 @ii pK > FU=0
            MarkInstall libbinutils:amd64 < 2.40-2 @ii pK > FU=0
            MarkInstall binutils-x86-64-linux-gnu:amd64 < 2.40-2 @ii pK > 
FU=0
              MarkInstall libctf-nobfd0:amd64 < 2.40-2 @ii pK > FU=0
              MarkInstall libctf0:amd64 < 2.40-2 @ii pK > FU=0
              MarkInstall libgprofng0:amd64 < 2.40-2 @ii pK > FU=0
              MarkInstall libjansson4:amd64 < 2.14-2 @ii pK > FU=0
          MarkInstall libgcc-12-dev:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libgomp1:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libitm1:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libatomic1:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libasan8:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall liblsan0:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libtsan2:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libubsan1:amd64 < 12.2.0-14 @ii pK > FU=0
            MarkInstall libquadmath0:amd64 < 12.2.0-14 @ii pK > FU=0
      MarkInstall g++:amd64 < 4:12.2.0-3 @ii pK > FU=0
        MarkInstall g++-12:amd64 < 12.2.0-14 @ii pK > FU=0
          MarkInstall libstdc++-12-dev:amd64 < 12.2.0-14 @ii pK > FU=0
      MarkInstall dpkg-dev:amd64 < 1.21.22 @ii pK > FU=0
        MarkInstall libdpkg-perl:amd64 < 1.21.22 @ii pK > FU=0
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count

Many thanks,
Srinuvasan.A



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