vfs | Pluggable , extensible virtual file system for Go
kandi X-RAY | vfs Summary
kandi X-RAY | vfs Summary
Package vfs provides a pluggable, extensible, and opinionated set of file system functionality for Go across a number of file system types such as os, Azure, S3, GCS and SFTP.
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Top functions reviewed by kandi - BETA
- getHostKeyCallback returns a callback which can be used to parse the given options .
- initCredentialProviderChain initializes credentials provider chain .
- getClient returns a new SSH client and io . Closer
- parseURI parses the URI string and returns the schema and authority attributes .
- getAuthMethods returns a slice of auth methods based on the provided options .
- waitUntilFileExists waits for an entry to be found or if retries is zero .
- NewFile returns a new File
- findHomeSystemKnownHosts adds paths to known_hosts files .
- main is the main entry point for testing .
- parseSupportedURI returns a vfs . FileSystemSystem for a given URI
vfs Key Features
vfs Examples and Code Snippets
Community Discussions
Trending Discussions on vfs
QUESTION
I am running a GitHub agent inside AKS cluster with Docker installed. I can run it successfully with VFS storage driver, however I want to use Overlay 2 because it's faster. I get the following message:
...ANSWER
Answered 2021-Jun-13 at 01:12overlay overlay 49G 20G 29G 41% /
QUESTION
I have made an Azure DevOps YAML Pipeline which successfully deploys into our testing env; I have copied that pipeline changed the App Name for our Staging Env and the Pipeline fails and gives out this error:
...ANSWER
Answered 2021-Jun-04 at 12:49I figured this out, there was a settings.xml file in wwwroot/site/deployments/ with the old branch details on it. If you delete settings.xml it will let go of that branch. You may not be able to delete the file though because its set to read-only permission and what you have to do is go into the configuration settings of your web app and change WEBSITE_RUN_FROM_PACKAGE value to 0, save that refresh the web app and then you will be able to delete the file. Then you can re-run the pipeline until your heart is content. :)
QUESTION
we have developed a kernel extension (KEXT) for a virtual file system (VFS) on macOS to integrate our software with external programs like Adobe InDesign or Microsoft Word. Our software and the KEXT are used by many of our customers.
As it looks like KEXTs are deprecated and may be removed completely in future versions of macOS, particularly on Apple Silicon based computers. See e.g. Apple's announcement in its security guide:
"This is why developers are being strongly encouraged to adopt system extensions before kext support is removed from macOS for future Mac computers with Apple silicon"
Therefore we are currently investigating in possible alternatives.
Apple suggests to migrate to System Extensions instead of KEXTs. However, the only VFS related API we found is to implement a File Provider that is based on an NSFileProviderReplicatedExtension.
Unfortunately that NSFileProviderReplicatedExtension
has several flaws:
- Files can either be in the cloud or downloaded. It is not possible to download/read only a portion of a file. This is a big performance problem for us, since we work with large images (> 1GB). The programs we integrate with typically only read a part of the image, e.g. the embedded preview. The API does not offer a way to access selected blocks of a file (random access file).
- The File Provider learns about the file system content via
enumerators
. So everything that is inside a folder must be enumerated (listed) first. Otherwise it cannot be accessed. However, we cannot enumerate our VFS. Most of the content of our VFS is fully dynamic. It only exists when it is accessed by a client the first time. Such dynamic content also includes dynamic parameters like the client's locale or the size of a box where the image will be placed. Since we do not know those parameters in advance, we cannot enumerate the VFS's content in advance.
This means, an NSFileProviderReplicatedExtension
in its current state isn't a replacement for a "real" VFS and therefore cannot be used by us as a replacement for our current VFS KEXT.
My questions:
- Will Apple allow kernel extensions also in future versions of (Apple Silicon/M1 based) operating systems? Or is there at least a clear deadline?
- If not, what is Apple's officially suggested replacement for KEXT based VFS solutions?
- Will the API of an NSFileProviderReplicatedExtension be improved to behave like a "real" file system so that above mentioned flaws will no longer be an issue?
Many thanks for any answers or comments!
Best regards,
Michael
...ANSWER
Answered 2021-Jun-02 at 11:14Will Apple allow kernel extensions also in future versions of (Apple Silicon/M1 based) operating systems? Or is there at least a clear deadline?
Apple doesn't really give timelines, and they also occasionally break promises of support.
However, this sort of hard API deprecation and removal usually is done as part of a major release, so you will typically get deprecation notice for it at WWDC one year, users might start seeing deprecation notices when the .0 of the OS release ships at the earliest, and sometimes the .3 or .4 revision. Then you'll typically be told at the next WWDC that the API is blocked in the upcoming release, so by that point you should have implemented a replacement.
If not, what is Apple's officially suggested replacement for KEXT based VFS solutions?
As far as I'm aware, NSFileProviderReplicatedExtension
is currently the only one.
Will the API of an NSFileProviderReplicatedExtension be improved to behave like a "real" file system so that above mentioned flaws will no longer be an issue?
Other than via beta SDKs, Apple generally doesn't pre-announce future APIs.
My advice:
- File issues for each of the file provider shortcomings you are hitting using Feedback Assistant. (Radar)
- File an "enhancement request" feedback issue with Apple for a "real" file system API replacement for the VFS KPI.
- If your vfs kext is critical to your business/product, I suggest additionally asking Apple's DTS via a TSI what they recommend for your situation. Reference the feedback IDs of the issues filed, otherwise they will recommend that you file issues.
QUESTION
I am using the official Keycloak image and trying to set up JSON format for console logs like this
startup.cli
...ANSWER
Answered 2021-May-28 at 17:24This is because during the initial boot a logging.properties
file is used to configure the log manager until the logging subsystem is activated. There are two options.
- You copy an already configured
logging.properties
andstandalone-ha.xml
over to your image. - In a
RUN
command in yourDockerfile
configure logging by starting the server, then executing the CLI script.
QUESTION
URL jarURL = ExternalOrdersManagerUtils.class.getClassLoader().getResource("com/session/utils/ExternalOrdersManagerUtils.class");
JarURLConnection jurlConn = null;
try {
jurlConn = (JarURLConnection)jarURL.openConnection();
} catch (IOException e) {
logger.error(e.getMessage(),e);
}
Manifest mf = null;
try {
mf = jurlConn.getManifest();
} catch (IOException e) {
logger.error(e.getMessage(),e);
}
Attributes attr = mf.getMainAttributes();
...ANSWER
Answered 2021-May-18 at 12:39You should load the manifest using
QUESTION
I'm trying to access and read files through a Spring boot web application by using Apache Commons VFS v2.6.0. The web application is running in a hosted docker container and a separate AWS storage was mounted in the same docker by targeting /mnt
. When I try to access a file/folder inside the /mnt
(ex: /mnt/abc/def/ghi.csv
) using the below code,
ANSWER
Answered 2021-May-16 at 17:57After so many attempts I was able to found the issue myself and thought to mention it here so it might be helpful to someone.
Short Answer : remove any occurence of fileSystemManager.close()
Detailed Answer : This is how I dealt with FileSystemManager
in my code.
I'm always using VFS.getManager()
to get a FileSystemManager instance and nowhere else custom FileSystemManagers are created by my own.
QUESTION
I have an app service setup in azure and loaded using a container. The container runs locally on my dev pc without issues. This worked previously and not sure at what point it failed.
Below are the logs from the log stream.
...ANSWER
Answered 2021-Mar-16 at 10:12It seems like you are missing a few steps according to Microsoft documentation. You can see that your application is starting with port 80.
QUESTION
Background:
I have an old Seagate BlackArmor NAS 110 that I'm trying to install Debian on by following the instructions here: https://github.com/hn/seagate-blackarmor-nas.
I have a couple of USB to TTL serial adapters (one FTDI chipset and the other Prolific) that I've tried and have run into the same issue with both. I have made the connection to the serial port on the board of the NAS using a multimeter to make sure I've gotten the pinout correct.
Problem:
I'm not able to stop the autoboot process by pressing keys and any point during the boot process. The device also does not seem to respond to any keystrokes although they are echoed back.
What I've Tried So Far:
- Using USB to TTL serial adapters with two different chipsets
- Using the adapters on two different computers (MacBook Pro and a ThinkPad)
- Using different operating systems (MacOS, Windows 10, Ubuntu 20.04)
- Using different terminal programs (Screen, Minicom, Putty)
- Turned off hardware and software flow control
- Tested output of adapters by shorting RX and TX pins and seeing keystrokes echoed back
- Commands seem to be sent to device as when I type I see my commands echoed back (not sure if this is supposed to happen)
I've been at this for a few days and can't figure it out. I've also recorded my screen while experiencing the issue: https://streamable.com/xl43br. Can anyone see where I'm going wrong?
Terminal output while experiencing the problem:
...ANSWER
Answered 2021-Apr-22 at 15:51So it turns out there is a short somewhere between the RX pin and the +3.3V pin which is not allowing me to send anything to the board. Thank you to those who have commented.
QUESTION
Environment:
- Jboss 7.2
- Java 11
- JSF 2.3
- Primefaces 10
- Primefaces theme Avalon 3.0.0
New versión of theme Avalon 3.0.0 seems that it miss class AvalonMenuRenderer on avalon-theme-3.0.0.jar.There is only META-INF folder
Could it be?
On loading the project migrated to avalon 3.0.0 I got this error.
Error log
...ANSWER
Answered 2021-Apr-21 at 12:33Looks like that issue is fixed and a new JAR is available.
See: https://forum.primefaces.org/viewtopic.php?f=68&t=66604
QUESTION
Environment:
- Jboss 7.2
- Primefaces 10
- Java 11
I have migrated from primefaces 8 to primefaces 10 dataTable p:dataExporter generate ArrayIndexOutOfBoundsException on render the xhtml. When I comment out dataexporter the xhtml render well.
Following the migration guide the only important change seems to be taht PDF library has been switched from iText to Libre OpenPDF.
I've tried two differents contexts and one works and one not, differences:
- The context that it works, does not have authentication
- The context that it does not work, have keycloack authentication and two themes dependencies.
I don't think is related with primefaces themes but it could be because of keycloak as it shows handeling request in log error.
Any reason why is giving this error?
Server error
...ANSWER
Answered 2021-Apr-16 at 11:58I finally found the problem why I could not export files with p:dataExporter.
The web.xml file contained the context param javax.faces.PARTIAL_STATE_SAVING defined to false, so I commented out and I worked well!
The problem in web.xml
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