endpoints | Kubernetes endpoints load balancer | Load Balancing library
kandi X-RAY | endpoints Summary
kandi X-RAY | endpoints Summary
Package endpoints provides an implementation of a client-side load balancer that distributes client request across a collection of Kubernetes endpoints using a basic Round-robin algorithm. The endpoints load balancer does not operate in the data path and only manages a list of backends based on services defined in a Kubernetes cluster.
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Top functions reviewed by kandi - BETA
- This is the main entry point .
- formatEndpoints converts a slice of endpoints into a slice of Endpoints
- New creates a new LoadBalancer .
- Shutdown shuts down the load balancer .
endpoints Key Features
endpoints Examples and Code Snippets
Community Discussions
Trending Discussions on endpoints
QUESTION
I need to get token to connect to API. Tried with python this:
...ANSWER
Answered 2021-Jun-12 at 17:16First note that a token must be obtained from the server ! A token is required to make some API calls due to security concerns. There are usually at least two types of tokens:
- Access token: You use it to make API calls (as in the Authorization header above). But this token usually expires after a short period of time.
- Refresh token: Use this token to refresh the access token after it has expired.
You should use requests-oauthlib in addition with requests.
https://pypi.org/project/requests-oauthlib/
But first, read the available token acquisition workflows:
https://requests-oauthlib.readthedocs.io/en/latest/oauth2_workflow.html#available-workflows
and choose the right workflow that suits your purposes. (The most frequently used is Web App workflow)
Then, implement the workflow in your code to obtain the token. Once a valid token is obtained you can use it to make various API calls.
As a side note: be sure to refresh token if required.
QUESTION
I created an empty asp.net core web application (dotnet new web -n
) and went to the github for IdentityServer4.Quickstart.UI and was followed the instructions to add the quickstart UI. I first did the powershell cmd iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/IdentityServer/IdentityServer4.Quickstart.UI/main/getmain.ps1'))
to download the files and run the application but it keeps telling me Index not found
but the file is inside of the Views
folder. So I then deleted all those files it downloaded from the project and installed it using its templates by running the cmds dotnet new -i identityserver4.templates
then dotnet new is4ui --force
which downloaded those files again onto my project. However, it keeps telling me the same message.
I noticed that under the Quickstart
folder, contains a folder named Home
which has the HomeController.cs
and the namespace is as IdentityServerHost.Quickstart.UI
... do I need to change that namespace to match my solution i.e. ids.Quickstart.Home
?
What is causing this to display that error when infact there is the Index.cshtml file inside of the Views folder?**
This is my startup.cs
file:
ANSWER
Answered 2021-Jun-15 at 14:49Try changing your app.UseEndpoints( endpoints => ...)
line, in your Configure()
method to the following:
QUESTION
I have bunch of GRPC microservices and they are using self signed certs. I add authentication info to the GRPC channel which is then used to identify endpoints and provide right services.
Now I want migrate to Istio mTLS.
In phase one, I got Istio to BYPASS all GRPC connections and my services works as it is now.
In Phase two, I want to hand off TLS to Istio, but I am stuck on how to pass the authentication information to GRPC?
How do you handle auth in Istio mTLS setup?
GRPC can support other authentication mechanisms Has anyone used this to inject Istio auth info to GRPC? any other suggestions on how you implemented this in your setup
I am using go-lang just in case if this can be useful to provide any additional information.
Thanks
...ANSWER
Answered 2021-Jun-11 at 09:21One way of doing this is using grpc.WithInsecure()
, this way you don't have to add certificates to your services, since istio-proxy
containers in your pods will TLS terminate any incoming connections.
Client side:
QUESTION
I build my Nestjs project with nestjsx to create Restful api. My customer.controller.ts
...ANSWER
Answered 2021-Jun-15 at 12:20After hours of searching, the solution is to add
QUESTION
SpringBoot v2.5.1
There is an endpoint requesting a long running process result and it is created somehow
(for simplicity it is Mono.fromCallable( ... long running ... )
.
Client make a request and triggers the publisher to do the work, but after several seconds client aborts the request (i.e. connection is lost). And the process still continues to utilize resources for computation of a result to throw away.
What is a mechanism of notifying Project Reactor's event loop about unnecessary work in progress that should be cancelled?
...ANSWER
Answered 2021-Jun-15 at 09:06fromCallable
doesn't shield you from blocking computation inside the Callable
, which your example demonstrates.
The primary mean of cancellation in Reactive Streams is the cancel()
signal propagated from downstream via the Subscription
.
Even with that, the fundamental requirement of avoiding blocking code inside reactive code still holds, because if the operators are simple enough (ie. synchronous), a blocking step could even prevent the propagation of the cancel()
signal...
A way to adapt non-reactive code while still getting notified about cancellation is Mono.create
: it exposes a MonoSink
(via a Consumer
) which can be used to push elements to downstream, and at the same time it has a onCancel
handler.
You would need to rewrite your code to eg. check an AtomicBoolean
on each iteration of the loop, and have that AtomicBoolean flipped in the sink's onCancel
handler:
QUESTION
I have an application using ASP.NET Core MVC and an Angular UI framework.
I can run the application in IIS Express Development Environment without issue. When I switch to the IIS Express Production environment or deploy to an IIS host, my index referenced files cannot be read showing a browser error:
Uncaught SyntaxError: Unexpected token '<'
These pages look like they are loading the index page as opposed to the .js or .css files.
Here is a snippet of the underlying runtime.js as it should be loaded into browser, it is not loaded with index.html.
...ANSWER
Answered 2021-Jun-14 at 14:39Mayby you are missing
QUESTION
I am trying to register websocket dynamically.For instance, i have registered '/sampleEndpoint' at runtime so ServerWebSocketContainer will register it and start publishing data on that endpoint. But now if i do the same process during application initialization time in PostConstruct than i am unable to connect to '/sampleEndpoint' but have to append '/websocket' at the end so url become '/sampleEndpoint/websocket' when connecting from client side. Why we are getting different endpoints at different situations?
I have attached github url to the code.
...ANSWER
Answered 2021-Jun-14 at 21:32Well, that's how that SockJS option works: https://docs.spring.io/spring-framework/docs/current/reference/html/web.html#websocket-fallback.
If you client is not SockJS, then you have to add that /websocket
sub-path.
Not sure though why it doesn't work for dynamically registered endpoints...
In the case of @PostConstruct
it is not dynamic: we still do the stuff within configuration phase of the application context, so it is able to add our endpoint into a static HandlerMapping
. The dynamic nature is applied a bit later, when all the @PostConstruct
have done their logic. You don't need to start that flow registration manually though since the auto-startup phase has not passed yet withing @PostConstruct
handling.
Re. IntegrationDynamicWebSocketHandlerMapping
: it sounds more like a bug and I need to investigate more. I guess you still use there that SockJS option and it has to be applied for dynamic endpoint as well.
Thank you for your patience! I'll investigate and fix it ASAP.
UPDATE
The fix is here: https://github.com/spring-projects/spring-integration/pull/3581.
QUESTION
I am having a problem using Kubernetes Ingress with a ASP.NET core web API.
Lets say I have a web API with three controllers (simplified code to demonstrate three routes /, /ep1, /ep2):
...ANSWER
Answered 2021-Jun-14 at 18:57Routing within the app should be handled by the app. So, there should be no need to define dynamic paths. Try this.
QUESTION
I tried to inject my own service in my api controller, but it throws an InvalidOperationException. It is unable to resolve the service. (.NET 5)
What I am doing wrong?
...ANSWER
Answered 2021-Jun-14 at 13:35Example, as per request in comment:
QUESTION
readinessProbe: Indicates whether the container is ready to respond to requests. If the readiness probe fails, the endpoints controller removes the Pod's IP address from the endpoints of all Services that match the Pod. The default state of readiness before the initial delay is Failure. If a Container does not provide a readiness probe, the default state is Success
If the readiness probe fails (and the Pod's IP address is removed from end point), what happens next? Will the Pod's readiness probe conditions be checked again? Will it check again after initial delay? Is there any chance the Pod's IP address is added to the end point again (if the Pod self healed after readiness probe fails)? Will that Pod receive traffic again incase if it's healed?
...ANSWER
Answered 2021-Jun-14 at 03:24It's checked again after the same periodSeconds
delay as usual and then when it passes successThreshold
times in a row it will be considered Ready again with all the normal behaviors that entails.
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