YACReader Forum: YacReaderLibraryServer dockerized (9/11)

TOPIC: YacReaderLibraryServer dockerized

YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6023

selmf Offline Developer Posts: 614 Thank you received: 131 Karma: 18	@jefftr66 you're not giving any information, but if this is happening with YACReader 9.8.0 and those are comics with webp or tiff images the issue is missing image format plugins. This can be easily solved by installing the qt5-image-formats-plugins package. @jcshumpert, it seems like this package is missing in your Docker container.
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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6024

jcshumpert

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selmf wrote:

@jefftr66 you're not giving any information, but if this is happening with YACReader 9.8.0 and those are comics with webp or tiff images the issue is missing image format plugins. This can be easily solved by installing the qt5-image-formats-plugins package.

@jcshumpert, it seems like this package is missing in your Docker container.

Thanks for bringing that to my attention. I just updated my fork in Github and Docker is compiling a new build now.

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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6025

jefftr66 Offline Fresh Boarder Posts: 10 Karma: 0	All the comics are in .cbz or .cbr. I can try to update the qt5 pkg like you suggested. I haven't even tried to use YACReader - this is all on the server. When I run docker exec yacserver YACReaderLibraryServer update-library /storage/comix it does not update the library. Comics I added today do not show in the library. (Accessing it via web browser)
	Last Edit: 1 year 1 month ago by jefftr66. The administrator has disabled public write access.

YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6026

selmf

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@jcshumpert:

No problem. Just for the record, this used to sort of work without the package in 9.7.1 because we used a static list of supported image formats back then. With 9.8.0 this list is generated at runtime based on the installed image plugins, which is a better approach but introduces the subtle bug that non-installed image formats are being ignored.

We will likely add some better diagnostics for this in the future.

@jefftr66:

This is about the format of the images inside your comic book archives. A .cbz is a zip and a .cbr is a rar archive with image which can be any format. If the image format is not supported, YACReader 9.8.0 will just ignore the files.

My answers are not necessarily official YACReader statements but mostly represent my own opinion in technical matters.

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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6027

jefftr66 Offline Fresh Boarder Posts: 10 Karma: 0	I get that - but even the .cbr comics (the vast majority are cbr) are not being added by update-library cmd. It has always worked before and I haven't changed anything. I'm not clear why this: docker exec yacserver YACReaderLibraryServer update-library /storage/comix stopped working
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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6030

Luis Ángel Offline Administrator Posts: 2024 Thank you received: 430 Karma: 39	@jefftr66 YACReaderLibraryServer looks inside the cbr files and tries to find any supported image file, if it can't do it, it will skip the file as a non comic file. If the qt image formats package is missing in your system it won't be able to find those images.
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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6032

jefftr66

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OK, installed qt5 pkg successfully and still not working. When I run the update-library cmd I just get this:

Processing comicsDone!

But usually I get a number of other messages and then Done! with how many comics were updated/added.

I also get this in the logs:

WARN 2021-06-01T17:01:13.785 QObject: Cannot create children for a parent that is in a different thread.
(Parent is RequestMapper(0x5628de13b020), parent's thread is QThread(0x5628de13a7e0), current thread is QThread(0x5628de1402b0)

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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6033

selmf Offline Developer Posts: 614 Thank you received: 131 Karma: 18	This is very likely a permissions problem. Check if the hidden .yacreaderlibrary directory and its contents are writable from the docker container. Common problems to look for are the wrong group, owner and missing write permissions.
	My answers are not necessarily official YACReader statements but mostly represent my own opinion in technical matters. The administrator has disabled public write access.

YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6035

jefftr66 Offline Fresh Boarder Posts: 10 Karma: 0	I changed ownership - not sure if permissions are OK? drwxr-xr-x 3 jefe jefe 4 Jun 1 15:41 .yacreaderlibrary
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YacReaderLibraryServer dockerized - won't update l 1 year 1 month ago #6036

selmf

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In a non-Docker setup this would work. For Docker it is a bit trickier and I am afraid I can't give you a definitive answer what the correct permissions and ownership would be. As far as I understand the process, files created by a process in a Docker container on a volume have the same ownership and group as the user creating them, which by default is root. So the owner and group probably need to be root.

You can check the following stuff:

1. Does the log indicate any errors directly after starting? Something like:
ERROR 2021-06-01T20:39:39.394 "attempt to write a readonly database Unable to fetch row" ?
2. Is .yacreaderlibrary/library.ydb writable?
3. If all fails, backup the .yacreaderlibrary and check if a fresh library works, then compare permissions

My answers are not necessarily official YACReader statements but mostly represent my own opinion in technical matters.

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