chaos | Chaos injection Go HTTP middleware | HTTP library
kandi X-RAY | chaos Summary
kandi X-RAY | chaos Summary
Chaos is a HTTP middleware that can be used to inject chaotic behavior into your web application (such as delays and errors) in a controlled and programmatic way. It can be useful in chaos engineering for testing a distributed system resiliency, or to ensure application observability instrumentation is working as intended. The Chaos Middleware is configurable on-the-fly via a dedicated management HTTP controller. For earch target route (i.e. the actual HTTP endpoint that will be impacted by this middleware), it is possible to set a chaos specification defining either or both a delay artificially stalling the request processing and an error terminating the request processing with an arbitrary status code and optional message.
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Top functions reviewed by kandi - BETA
- AddRouteChaos is used to add a route to the API
- NewChaos returns a new Chaos instance
- main is the entry point for chaospin command
- NewClient returns a new Client .
- Parse the command line flags .
- NewSpec creates a new Spec
chaos Key Features
chaos Examples and Code Snippets
Community Discussions
Trending Discussions on chaos
QUESTION
I have some simple code that I've written in Python. It's working. Now I'm trying to port it to JavaScript. The code is here. I'm getting this error:
...ANSWER
Answered 2022-Apr-02 at 18:56The error is here (Starting line 28).
QUESTION
I seems cannot import his github dependencies despite using the right address:
...ANSWER
Answered 2022-Feb-23 at 08:48mvnrepository.com says you can find up to 2.1.0 in the Mulesoft repository. So you need to configure another maven repository in the top-level build.gradle and downgrade the dependency version. Or find another alternative.
QUESTION
This is my first attempt on a complex coupled ode equation:
...ANSWER
Answered 2022-Mar-22 at 11:34The initial condition needs to be complex:
QUESTION
I want to statically check the vulnerabilities of c c++ code with codeql, such as: double free, array out of bounds, resource Allocates,releases unpaired etc., where can I get a ql scripts to use. This SDK:https://github.com/github/codeql is too chaos,too many,can I got a comprehensive ql scripts? if I write the ql queries myself，Whether to learn relevant grammar？
Wanna some answers,thanks a lot~! ^_^
...ANSWER
Answered 2022-Mar-11 at 16:37It highly depends on the context in which you want to use CodeQL. The license only permits you to use it on open source projects and for academic research (read the complete license for more information). If you want to add CodeQL code scanning to your GitHub repository, you can take a look at About code scanning with CodeQL.
If you want to write queries yourself, the documentation is probably a good place to start. They also have a guide for getting started with CodeQL for C and C++, and tutorials. The language reference might be useful as well, but probably only once you have become familiar with it a bit.
The CodeQL query help for C and C++ might be helpful as well, to see which queries already exist, and also how they are implemented. But of course it does not hurt to try to implement them yourself as well to get some practice.
QUESTION
I have a question(s) regarding implementing postgresql triggers, best practices, and general safely for using them. It's difficult for me to ask targeted questions because I don't know what I don't know but I'll do my best to explain my feature and then ask my questions.
In my rails application I have a feature in which a user can upload a large csv file that contains million of records needing to be imported into the app. Occasionally, in these large files, duplicate entries exist and I need to log those duplicate entries into a separate table. In order to implement this feature, I've enabled a trigger in the following manner in my Rails application. The following is some pseudocode to illustrate how I did this.
...ANSWER
Answered 2022-Jan-30 at 11:55The transaction system of PostgreSQL will make sure that nothing surprising can happen if you enable and disable triggers in your application.
As the documentation says:
DISABLE/ENABLE [ REPLICA | ALWAYS ] TRIGGER[...]
This command acquires a
SHARE ROW EXCLUSIVElock.
The lock compatibility matrix shows that that lock conflicts with itself and with everything on the table except SELECT and SELECT ... FOR SHARE/UPDATE. So any transaction that enables or disables triggers will be serialized with all other data modifications, and no race condition can occur.
QUESTION
I am still noob at OOP.
...ANSWER
Answered 2022-Jan-22 at 12:04You can convert your list to JSON format and then write to the file.
Use this snippet :
QUESTION
With the release of Mediatr 10, there's now a paradigm that allows developers to create streams powered by IAsyncEnumerable. I'm leveraging this paradigm to create multiple different file system watchers to monitor multiple folders. To monitor the folders, I'm leveraging two different approaches: Polling and FileSystemWatcher. As part of my pipeline, all of the different folder monitors are aggregated into a single IEnumerable. In each type of watcher, there's an internal loop that runs until cancellation is requested via a CancellationToken.
Here's the polling watcher:
...ANSWER
Answered 2022-Jan-10 at 22:56I managed to come up with a working, but likely inefficient and potentially buggy solution. By putting each IAsyncEnumerable into its own background task, I'm able to emit each into a thread-safe queue, where they're served up as each one comes available.
QUESTION
I tried to cluster my dataset using K-mean, but there is a categorical data in column 9; so when I ran k-mean it had an error like this:
...ANSWER
Answered 2021-Dec-17 at 17:31To solve your specific issue, you can generate dummy variables to run your desired clustering.
One way to do it is using the dummy_columns() function from the fastDummies package.
QUESTION
Similar how we do chaos testing, I want a Bigtable instance (or a cluster) to be down. Like it goes down in any outage/catastrophic event.
...ANSWER
Answered 2021-Oct-13 at 08:09It is not possible to take down a Bigtbale instance without deleting, unfortunately. You could use Backups for your testing:
Bigtable backups let you save a copy of a table's schema and data, then restore from the backup to a new table at a later time.
There is also a Bigtable emulator which can be used for application testing.
I'd also like to encourage your to create a Feature request for Google to consider this feature.
QUESTION
query, err := dbSQL.Prepare(`
INSERT INTO class (
subject_id,
class_name,
createAt,
updatedAt,
)
VALUES (?, ?, NOW(), NOW())
`)
checkError(err)
result, err := query.Exec(
subjectID,
className,
)
checkError(err)
returnID, err := result.LastInsertId()
checkError(err)
dbSQL.Commit()
ANSWER
Answered 2021-Oct-04 at 06:23It was mentioned in this thread, with, as advice:
It is better idea to use an SP and in this SP return the last id
(SP: Stored Procedure)
Example in Go.
Example: "How to get lastInsertID when executing a Stored Procedure on a mySQL Server"
That would be safer than relying on a direct call, as explained here.
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