nixcloud.directories fails to execute
Opened this issue · 2 comments
qknight commented
config
nixcloud.directories = {
"super/n/e/s/t/e/d" = {
permissions.defaultDirectoryMode = "0700";
owner = "alice";
group = "vip";
postCreate = "id -nu > owner.txt";
postCreateAsRoot = "id -nu > root.txt";
};
};
users.groups.vip = {};
users.users.alice.isNormalUser = true;
issue
systemctl '--wait' 'start' 'post-create-super-n-e-s-t-e-d.service'
Job for post-create-super-n-e-s-t-e-d.service failed because the control process exited with error code.
See "systemctl status post-create-super-n-e-s-t-e-d.service" and "journalctl -xe" for details.
Segmentation fault (core dumped)
scripts
[root@nixos-thinkpad-t530:/etc/nixos/nixpkgs]# systemctl cat mkdir-super-n-e-s-t-e-d.service
# /nix/store/cc58kcwyfrwk5fdiy0bdv2xpj1r1ghp2-unit-mkdir-super-n-e-s-t-e-d.service/mkdir-super-n-e-s-t-e-d.service
[Unit]
After=local-fs.target
ConditionPathExists=!/super/n/e/s/t/e/d
Description=Create Directory /super/n/e/s/t/e/d
[Service]
Environment="LOCALE_ARCHIVE=/nix/store/jbyaw0r48gxslxczwnjw5371rqj03gn8-glibc-locales-2.30/lib/locale/locale-archive"
Environment="PATH=/nix/store/x0jla3hpxrwz76hy9yckg1iyc9hns81k-coreutils-8.31/bin:/nix/store/97vambzyvpvrd9wgrrw7i7svi0s8vny5-findutils-4.7.0/bin:/nix/store/b0vjq4r4sp9z4l2gbkc5dyyw5qfgyi3r-gnugrep-3.4/bin:/ni>Environment="TZDIR=/nix/store/8cz89zavyrm2bdrgkx4l66s5c7nx12dr-tzdata-2019c/share/zoneinfo"
ExecStart=/nix/store/n9g0apy07zlsb6hnin3dq1d8ihn3m9il-unit-script-mkdir-super-n-e-s-t-e-d-start
ExecStartPost=/nix/store/gg2xcpah1q5jhdr34q4fk64jnsi6k3jm-unit-script-mkdir-super-n-e-s-t-e-d-post-start
RemainAfterExit=true
Type=oneshot
cat /nix/store/gg2xcpah1q5jhdr34q4fk64jnsi6k3jm-unit-script-mkdir-super-n-e-s-t-e-d-post-start
#! /nix/store/hrpvwkjz04s9i4nmli843hyw9z4pwhww-bash-4.4-p23/bin/bash -e
'systemctl' '--wait' 'start' 'post-create-super-n-e-s-t-e-d.service'
'systemctl' '--wait' 'start' 'post-create-as-root-super-n-e-s-t-e-d.service'
gdb
[root@nixos-thinkpad-t530:/etc/nixos/nixpkgs]# gdb systemctl /tmp/core-systemctl.3246.nixos-thinkpad-t530.1702863095
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Reading symbols from systemctl...
(No debugging symbols found in systemctl)
[New LWP 3246]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/libthread_db.so.1".
Core was generated by `systemctl --wait start post-create-super-n-e-s-t-e-d.service'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007f60f47a15c4 in bus_wait_for_units_clear () from /nix/store/4h6n6r79lhlzwq1wp9ib68n8pnpsz1nv-systemd-243.7/lib/systemd/libsystemd-shared-243.so
#2 0x00007f60f47a1c6e in bus_wait_for_units_free () from /nix/store/4h6n6r79lhlzwq1wp9ib68n8pnpsz1nv-systemd-243.7/lib/systemd/libsystemd-shared-243.so
#3 0x000055c1912dd617 in start_unit ()
#4 0x00007f60f47f4334 in dispatch_verb () from /nix/store/4h6n6r79lhlzwq1wp9ib68n8pnpsz1nv-systemd-243.7/lib/systemd/libsystemd-shared-243.so
#5 0x000055c1912cd4a0 in main ()
(gdb) quit
systemd version
[root@nixos-thinkpad-t530:/etc/nixos/nixpkgs]# systemctl --version
systemd 243 (243)
qknight commented
this service fails: mkdir-super-n-e-s-t-e-d.service
[Unit]
After=local-fs.target
ConditionPathExists=!/super/n/e/s/t/e/d
Description=Create Directory /super/n/e/s/t/e/d
[Service]
Environment="LOCALE_ARCHIVE=/nix/store/jbyaw0r48gxslxczwnjw5371rqj03gn8-glibc-locales-2.30/lib/locale/locale-archive"
Environment="PATH=/nix/store/x0jla3hpxrwz76hy9yckg1iyc9hns81k-coreutils-8.31/bin:/nix/store/97vambzyvpvrd9wgrrw7i7svi0s8vny5-findutils-4.7.0/bin:/nix/store/b0vjq4r4sp9z4l2gbkc5dyyw5qfgyi3r-gnugrep-3.4/bin:/ni>Environment="TZDIR=/nix/store/8cz89zavyrm2bdrgkx4l66s5c7nx12dr-tzdata-2019c/share/zoneinfo"
ExecStart=/nix/store/n9g0apy07zlsb6hnin3dq1d8ihn3m9il-unit-script-mkdir-super-n-e-s-t-e-d-start
ExecStartPost=/nix/store/gg2xcpah1q5jhdr34q4fk64jnsi6k3jm-unit-script-mkdir-super-n-e-s-t-e-d-post-start
RemainAfterExit=true
Type=oneshot
this fails because:
Dec 23 00:52:04 nixos-thinkpad-t530 systemd[7754]: post-create-super-n-e-s-t-e-d.service: Changing to the requested working directory failed: Permission denied
Dec 23 00:52:04 nixos-thinkpad-t530 systemd[7754]: post-create-super-n-e-s-t-e-d.service: Failed at step CHDIR spawning /nix/store/dk017idhagqsgn6d04kfqxxq2r8vrm05-unit-script-post-create-super-n-e-s-t-e-d-st>-
the script tries this:
su alice
[alice@nixos-thinkpad-t530:/etc/nixos/nixpkgs]$ cd /super/
bash: cd: /super/: Permission denied
maybe the ACL is not set or working?
qknight commented
https://unix.stackexchange.com/questions/747026/how-to-setfacl-on-a-directory-and-all-its-parents
so the call:
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n/e/s/t/e/d'
needs to be applied to each parent directory individually.
so if i run:
rm -Rf /super
systemctl restart mkdir-super-n-e-s-t-e-d.service
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n/e/s/t/e/'
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n/e/s/t/'
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n/e/s/'
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n/e/'
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n'
'/nix/store/s2ia7q0pfdpckjkiirsad1lasjfmdrkq-setperm.sh' 'd:u::rwx,d:u:alice:rwx,d:g::r-x,d:g:vip:r-x,d:o::r-x,d:m::rwx,u::rwx,u:alice:rwx,g::r-x,g:vip:r-x,o::r-x,m::rwx' 'alice' 'vip' '/super/n'
systemctl restart post-create-super-n-e-s-t-e-d.service
no error and the file is created:
[root@nixos-thinkpad-t530:/]# ls -lathr /super/n/e/s/t/e/d
total 20K
drwxrwxr-x+ 3 alice vip 4.0K Dec 23 01:25 ..
drwxrwxr-x+ 2 alice vip 4.0K Dec 23 01:30 .
-rw-rw-r--+ 1 alice vip 6 Dec 23 01:30 owner.txt
19.09 fails similar and 19.03 will just create the directory like:
[root@nixos:~]# ls -la /super/
total 12
drwx------ 3 root root 4096 Dec 24 22:20 .
drwxr-xr-x 17 root root 4096 Dec 24 22:20 ..
drwx------ 3 root root 4096 Dec 24 22:20 n
[root@nixos:~]# ls -la /super/n/
total 12
drwx------ 3 root root 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
drwx------ 3 root root 4096 Dec 24 22:20 e
[root@nixos:~]# ls -la /super/n/e/
total 12
drwx------ 3 root root 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
drwx------ 3 root root 4096 Dec 24 22:20 s
[root@nixos:~]# ls -la /super/n/e/s/
total 12
drwx------ 3 root root 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
drwx------ 3 root root 4096 Dec 24 22:20 t
[root@nixos:~]# ls -la /super/n/e/s/t/
total 12
drwx------ 3 root root 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
drwx------ 3 root root 4096 Dec 24 22:20 e
[root@nixos:~]# ls -la /super/n/e/s/t/e/
total 16
drwx------ 3 root root 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
drwxrwxr-x+ 2 alice vip 4096 Dec 24 22:20 d
[root@nixos:~]# ls -la /super/n/e/s/t/e/d/
total 20
drwxrwxr-x+ 2 alice vip 4096 Dec 24 22:20 .
drwx------ 3 root root 4096 Dec 24 22:20 ..
-rw-rw-r--+ 1 alice vip 6 Dec 24 22:20 owner.txt
-rw-rw-r--+ 1 root root 5 Dec 24 22:20 root.txt