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exp/tcz : postinstall scripts are not executed (usr/local/tce.installed/*) #2665

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tlaurion opened this issue Apr 27, 2023 · 5 comments
Open

exp/tcz : postinstall scripts are not executed (usr/local/tce.installed/*) #2665

tlaurion opened this issue Apr 27, 2023 · 5 comments
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Bug Stuff that's wrong

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@tlaurion
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tlaurion commented Apr 27, 2023 •
edited

Describe the bug
Under tinycore, tce-load -wi python3.9 provides interpreter and configurator under /usr/local/bin/python3.9 and /usr/local/bin/python3.9-config respectively (as expected)

exp/tcz doesn't.

To Reproduce
tcz -v 14.x -d python3.9
(or tcz python to use current 8.x hardcoded download path to tinycore x86_64 8.x release tcz files: no python 2.7 either under /usr/local/bin)

Expected behavior
Have python under /usr/local/bin/python3.9 as under tinycore

Additional context
none
@tlaurion tlaurion added the Bug Stuff that's wrong label Apr 27, 2023
@tlaurion
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Interestingly enough, everything exp/tcz and tce-load are symlinks to loop mounted squashfs files.
But not python3.9 nor python3.9-config.

Those are binaries copied directly over rootfs in ram.

@tlaurion
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Found it....


~ # tar zxvf /TinyCorePackages/tcloop/python3.9/usr/local/share/python3.9/files/
files.tar.gz 
usr/
usr/local/
usr/local/bin/
usr/local/bin/python3.9
usr/local/bin/pip3.9
usr/local/bin/pip3
usr/local/bin/easy_install-3.9
usr/local/bin/2to3
usr/local/bin/pydoc3
usr/local/bin/idle3
usr/local/bin/python3-config
usr/local/bin/python3
usr/local/bin/pydoc3.9
usr/local/bin/idle3.9
usr/local/bin/2to3-3.9
usr/local/bin/python3.9-config

How does tce-load knows that it needs to extract compressed tgz over rootfs?

@tlaurion
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tlaurion commented Apr 27, 2023 •
edited

Found it.

There is a "final deployment scripts" which instructs of final package installation steps, deployed under /usr/local/tce.installed

Example:

~ # ls /usr/local/tce.installed/
openssl-1.1.1  python3.9

~ # cat /TinyCorePackages/tcloop/python3.9/usr/local/tce.installed/python3.9 
#!/bin/sh
tar xzf /usr/local/share/python3.9/files/files.tar.gz -C /

~ # cat /usr/local/tce.installed/openssl-1.1.1 
#!/bin/sh
[  -d /usr/local/etc/ssl/certs ] || mkdir -p /usr/local/etc/ssl/certs
[  -d /usr/local/etc/ssl/private ] || mkdir -p /usr/local/etc/ssl/private
[  -d /usr/local/etc/ssl/crl ] || mkdir -p /usr/local/etc/ssl/crl
[  -d /usr/local/etc/ssl/newcerts ] || mkdir -p /usr/local/etc/ssl/newcerts
[  -f /usr/local/etc/ssl/index.txt ] || touch /usr/local/etc/ssl/index.txt
[  -f /usr/local/etc/ssl/serial ] || echo "01" > /usr/local/etc/ssl/serial
[  -f /usr/local/etc/ssl/crlnumber ] || echo "01" > /usr/local/etc/ssl/crlnumber

Now, question is how to process them properly in go under exp/tcz after package install?

@tlaurion
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Someone looking into this might want to change 8.x to 14.x into exp/tcz doing so.

@tlaurion tlaurion changed the title exp/tcz : installing python doesn't provide interpreter under /usr/local/bin exp/tcz : postinstall scripts are not executed (usr/local/tce.installed/*) Apr 27, 2023
tlaurion added a commit to tlaurion/heads that referenced this issue Apr 27, 2023
@tlaurion
PoC Will stall unless I fix things in u-root myself: u-root/u-root#2665
75c111b 
Whole goal from Heads desires into tinycore would be:
- cryptsetup-reencrypt (not avail)
- thin-provisioning-tools (nice to have, but might dodge it by choosing brtfs or xfs. wyng has now support for it)
- lvm2 tools (requires proper dm mods that are kernel versioned, and not dealt with under u-root either as of now)
- gpg2 toolstack (present)
- tinycore providing system libraries into a seperate tcz (otherwise check what is packed currently under u-root.cpio under modules/u-root: this is now 2.5mb compressed by xz. That won't fly)
- u-root cannot be easily compiled by tinygo as of now: not avail under debian-11 nor debian-12....

I talked a bit on tinycore channel, tried to register to forum, now got a link to hack the registration form at:https://forum.tinycorelinux.net/index.php/topic,25947.msg168262.html#msg168262

All of this is not a really good sign for a healthy inclusion if goal is not to deduplicate work and contribute to tinycore for package updates...
Vibe for the moment is: meh.

Alternatives?
- check for nix package caches, see how complicated it would be to wrap around this...
- which goes back again into why not building Heads into NixOS, just like ownerboot is doing, but using caches of already verified reproducible binares...
@tlaurion
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tlaurion commented May 3, 2023

This was crosslinked from tinycore forum to here. Let's see if synergies can happen.
http://forum.tinycorelinux.net/index.php?topic=26241.msg168791#msg168791

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