<div dir="ltr">It indeed worked as squashfs image. Thanks for that.<div> </div><div>It is not working as a folder though (portablectl --runtime attach --extension=./stackupper ./base stackupper) This stuff should work on folders too right? Should I open a ticket? </div><div> </div><div>Also, when it works, the upper stack shows as detached. Isn't that wrong too? Should I open a ticket?</div><div> </div><div>root@osboxes:/home/osboxes/Development# portablectl attach --runtime --extension $PWD/stackupper.raw $PWD/base.raw stackupper (Matching unit files with prefixes 'stackupper'.) Created directory /run/systemd/system.attached. Created directory /run/systemd/system.attached/stackupper.service.d. Written /run/systemd/system.attached/stackupper.service.d/20-portable.conf. Created symlink /run/systemd/system.attached/stackupper.service.d/10-profile.conf → /usr/lib/systemd/portable/profile/default/service.conf. Copied /run/systemd/system.attached/stackupper.service. Created symlink /run/portables/stackupper.raw → /home/osboxes/Development/stackupper.raw. Created symlink /run/portables/base.raw → /home/osboxes/Development/base.raw. root@osboxes:/home/osboxes/Development# portablectl list NAME TYPE RO CRTIME MTIME USAGE STATE base raw no Wed 2021-10-20 10:54:41 EDT Wed 2021-10-20 10:54:41 EDT 920.0K attached-runtime stackupper raw no Wed 2021-10-20 10:54:57 EDT Wed 2021-10-20 10:54:57 EDT 36.0K detached </div><div>Thanks again</div><div>Umut</div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Oct 20, 2021 at 12:01 AM Luca Boccassi <<a href="mailto:bluca@debian.org">bluca@debian.org</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">On Tue, 2021-10-19 at 16:09 +0200, Umut Tezduyar Lindskog wrote: > Hi Luca, have you had time to help me out or do you think you could > help me > out? Thanks in advance. Works fine for me with systemd 249.5: $ tar xf ~/Downloads/portable.tar $ mksquashfs base/ base.raw Parallel mksquashfs: Using 4 processors Creating 4.0 filesystem on base.raw, block size 131072. [=======================================================================================================|] 23/23 100% Exportable Squashfs 4.0 filesystem, gzip compressed, data block size 131072 compressed data, compressed metadata, compressed fragments, compressed xattrs, compressed ids duplicates are removed Filesystem size 918.80 Kbytes (0.90 Mbytes) 39.83% of uncompressed filesystem size (2306.95 Kbytes) Inode table size 359 bytes (0.35 Kbytes) 35.69% of uncompressed inode table size (1006 bytes) Directory table size 319 bytes (0.31 Kbytes) 62.80% of uncompressed directory table size (508 bytes) Number of duplicate files found 3 Number of inodes 29 Number of files 9 Number of fragments 2 Number of symbolic links 0 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 20 Number of ids (unique uids + gids) 1 Number of uids 1 luca (1000) Number of gids 1 luca (1000) $ mksquashfs stackupper/ stackupper.raw Parallel mksquashfs: Using 4 processors Creating 4.0 filesystem on stackupper.raw, block size 131072. [=========================================================================================================|] 3/3 100% Exportable Squashfs 4.0 filesystem, gzip compressed, data block size 131072 compressed data, compressed metadata, compressed fragments, compressed xattrs, compressed ids duplicates are removed Filesystem size 33.94 Kbytes (0.03 Mbytes) 41.81% of uncompressed filesystem size (81.18 Kbytes) Inode table size 269 bytes (0.26 Kbytes) 34.98% of uncompressed inode table size (769 bytes) Directory table size 261 bytes (0.25 Kbytes) 58.78% of uncompressed directory table size (444 bytes) Number of duplicate files found 2 Number of inodes 24 Number of files 5 Number of fragments 1 Number of symbolic links 1 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 18 Number of ids (unique uids + gids) 1 Number of uids 1 luca (1000) Number of gids 1 luca (1000) $ sudo portablectl attach --runtime --extension $PWD/stackupper.raw $PWD/base.raw stackupper (Matching unit files with prefixes 'stackupper'.) Created directory /run/systemd/system.attached. Created directory /run/systemd/system.attached/stackupper.service.d. Written /run/systemd/system.attached/stackupper.service.d/20-portable.conf. Created symlink /run/systemd/system.attached/stackupper.service.d/10-profile.conf → /usr/lib/systemd/portable/profile/default/service.conf. Copied /run/systemd/system.attached/stackupper.service. Created symlink /run/portables/stackupper.raw → /tmp/portable/stackupper.raw. Created symlink /run/portables/base.raw → /tmp/portable/base.raw. $ sudo systemctl start stackupper $ systemctl status stackupper ○ stackupper.service Loaded: loaded (/run/systemd/system.attached/stackupper.service; static) Drop-In: /run/systemd/system.attached/stackupper.service.d └─10-profile.conf, 20-portable.conf Active: inactive (dead) Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- oom_score Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- oom_score_adj Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- pagemap Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- patch_state Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- personality Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- projid_map Oct 19 22:57:16 luca-desktop tree[100886]: | | | | |-- root -> [Error\ reading\ symbolic\ link\ information] Oct 19 22:57:17 luca-desktop systemd[1]: stackupper.service: Deactivated successfully. Oct 19 22:57:17 luca-desktop systemd[1]: Finished stackupper.service. Oct 19 22:57:17 luca-desktop systemd[1]: stackupper.service: Consumed 1.022s CPU time. > On Mon, Oct 18, 2021 at 12:56 PM Umut Tezduyar Lindskog > <<a href="mailto:umut@tezduyar.com" target="_blank">umut@tezduyar.com</a>> > wrote: > > > Hi again. I tried renaming ( > > <a href="https://www.freedesktop.org/software/systemd/man/os-release.html" rel="noreferrer" target="_blank">https://www.freedesktop.org/software/systemd/man/os-release.html</a>) it > > but > > that didn't work. I am not getting any errors during the attachment > > phase > > so I am not sure if the failure is due to extension file in any way. > > > > A wish list is to be more verbose regarding what is going on during > > extension file check/comparison and during overlaying /usr and /opt. > > I > > think portablectl is quite verbose when it comes to preparing files, > > symb > > links and what I wish fits well. > > > > Could you please try it yourself? I put them in > > <a href="https://drive.google.com/file/d/1LoN_swR7jgvo5yxajWjYK5ck_e8kJs1W/view?usp=sharing" rel="noreferrer" target="_blank">https://drive.google.com/file/d/1LoN_swR7jgvo5yxajWjYK5ck_e8kJs1W/view?usp=sharing</a> > > there should be a download button on the top right. Appreciate your > > help. > > > > Thanks, > > Umut > > > > > > On Fri, Oct 15, 2021 at 3:46 PM Luca Boccassi <<a href="mailto:bluca@debian.org" target="_blank">bluca@debian.org</a>> > > wrote: > > > > > On Fri, 2021-10-15 at 14:59 +0200, Umut Tezduyar Lindskog wrote: > > > > Thanks and I would have never figured it out without your help. > > > > However, moving the binary to /opt didn't work either (I made > > > > sure > > > > there is empty /opt in the base too). Anything else I am missing? > > > > > > > > root@osboxes:/home/osboxes/Development# tree stackupper/ > > > > stackupper/ > > > > ├── bin > > > > │ └── umut > > > > ├── dev > > > > ├── etc > > > > │ ├── machine-id > > > > │ ├── resolv.conf > > > > │ └── runtime > > > > ├── lib -> usr/lib > > > > ├── opt > > > > │ └── tree > > > > ├── proc > > > > ├── root > > > > ├── run > > > > ├── sys > > > > ├── tmp > > > > ├── usr > > > > │ ├── bin > > > > │ └── lib > > > > │ ├── extension-release.d > > > > │ │ └── extension-release.base > > > > │ └── systemd > > > > │ └── system > > > > │ └── stackupper.service > > > > └── var > > > > └── tmp > > > > > > > > 18 directories, 7 files > > > > root@osboxes:/home/osboxes/Development# cat > > > > stackupper/usr/lib/systemd/system/stackupper.service > > > > [Service] > > > > Type=oneshot > > > > ExecStart=/opt/tree / > > > > > > The extension-release file in the extension must be named exactly > > > after > > > the extension (eg: foo.raw must contain /usr/lib/extension- > > > release.d/extension-release.foo), but in your case it's called > > > ".base" > > > which doesn't seem right, so double check that. This too is > > > documented > > > in the man page. > > > > > > > On Fri, Oct 15, 2021 at 2:23 PM Luca Boccassi <<a href="mailto:bluca@debian.org" target="_blank">bluca@debian.org</a>> > > > > wrote: > > > > > On Fri, 2021-10-15 at 12:18 +0000, Umut Tezduyar Lindskog > > > > > wrote: > > > > > > Hi, following works for us (for reference, configuration is > > > > > printed > > > > > > at the end) > > > > > > > > > > > > portablectl --now attach --extension=./stackupper ./base > > > > > stackupper > > > > > > > > > > > > However, if we move the cat from base/usr/bin/cat to > > > > > > stackupper/bin/cat it is not working. Seems like we cannot > > > > > include > > > > > > any library/executable in the extension. > > > > > > > > > > > > Are we missing something? > > > > > > > > > > > > > > > > > > root@osboxes:/home/osboxes/Development# tree base/ > > > > > > base/ > > > > > > ├──bin > > > > > > ├──dev > > > > > > ├──etc > > > > > > │ ├── machine-id > > > > > > │ ├── os-release > > > > > > │ └── resolv.conf > > > > > > ├──lib > > > > > > │ └── x86_64-linux-gnu > > > > > > │ └── libc.so.6 > > > > > > ├──lib64 > > > > > > │ ├──<a href="http://ld-2.32.so" rel="noreferrer" target="_blank">ld-2.32.so</a> > > > > > > │ └── ld-linux-x86-64.so.2 > > > > > > ├──proc > > > > > > ├──root > > > > > > ├──run > > > > > > ├──sys > > > > > > ├──tmp > > > > > > ├──usr > > > > > > │ ├──bin > > > > > > │ │ ├──cat > > > > > > │ │ ├──echo > > > > > > │ │ └── tree > > > > > > │ └── lib > > > > > > │ └── systemd > > > > > > │ └── system > > > > > > └── var > > > > > > └── tmp > > > > > > > > > > > > 18 directories, 9 files > > > > > > > > > > > > root@osboxes:/home/osboxes/Development# tree stackupper/ > > > > > > stackupper/ > > > > > > ├──bin > > > > > > │ └── umut > > > > > > ├──dev > > > > > > ├──etc > > > > > > │ ├── machine-id > > > > > > │ ├── resolv.conf > > > > > > │ └── runtime > > > > > > ├──lib -> usr/lib > > > > > > ├──proc > > > > > > ├──root > > > > > > ├──run > > > > > > ├──sys > > > > > > ├──tmp > > > > > > ├──usr > > > > > > │ ├──bin > > > > > > │ └── lib > > > > > > │ ├──extension-release.d > > > > > > │ │ └── extension-release.base > > > > > > │ └── systemd > > > > > > │ └── system > > > > > > │ └── stackupper.service > > > > > > └── var > > > > > > └── tmp > > > > > > > > > > > > 17 directories, 6 files > > > > > > > > > > > > root@osboxes:/home/osboxes/Development# cat > > > > > > stackupper/usr/lib/systemd/system/stackupper.service > > > > > > [Service] > > > > > > Type=oneshot > > > > > > ExecStart=/usr/bin/cat /etc/os-release > > > > > > root@osboxes:/home/osboxes/Development#systemctl --version > > > > > > systemd 249 (249.4-1) > > > > > > +PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT > > > > > +GNUTLS - > > > > > > OPENSSL +ACL +BLKID +CURL +ELFUTILS -FIDO2 +IDN2 -IDN +IPTC > > > > > > +KMOD > > > > > > +LIBCRYPTSETUP -LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE > > > > > +BZIP2 > > > > > > +LZ4 +XZ +ZLIB +ZSTD -XKBCOMMON +UTMP +SYSVINIT default- > > > > > > hierarchy=unified > > > > > > > > > > Hi, > > > > > > > > > > You need to build your extension with the binaries under either > > > > > the > > > > > /usr or /opt hierarchies. Legacy locations like /bin and /lib > > > > > are > > > > > ignored. This is explained in the systemd-sysext.8 manpage. > > > > > > > > > > > -- Kind regards, Luca Boccassi </blockquote></div>