operator-sdk
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operator-sdk | Testify | |
---|---|---|
23 | 64 | |
7,005 | 22,019 | |
1.2% | 1.6% | |
8.0 | 8.6 | |
1 day ago | 4 days ago | |
Go | Go | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
operator-sdk
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Building a Kubernetes Operator with the Operator Framework
operator-sdk: brew install operator-sdk
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Annotations in Kubernetes Operator Design
The operator that I've been working on is designed to manage the full lifecycle of a QuestDB database instance, including version and hardware upgrades, config changes, backups, and (eventually) recovery from node failure. I used the Operator SDK and kubebuilder frameworks to provide scaffolding and API support.
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Hacking in kind (Kubernetes in Docker)
I've recently been working on an operator (built using the operator-sdk) that manages cluster node lifecycles. Kind allows you to spin up clusters with multiple nodes, using a Docker container per-node and joining them using a common Docker network. However, the kind executable does not allow you to modify an existing cluster by adding or removing a node.
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Creating Kubernetes Operators with operator-sdk
To illustrate what we can do with an operator, I will create a proof of concept using operator-sdk. According to the official website::
- What Is A Kubernetes Operator?
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Writing a Kubernetes Operator
Besides the frameworks TFA lists, you can also build Operators in Ansible or Helm.
https://sdk.operatorframework.io/
- Question: Resources to learn K8s operator programming
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Using k8s-apiserver as AAA server for microservices?
Operator SDK is basically just a thin wrapper for kube-builder
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What topics should I cover as DevOps in Golang after practice and learning syntax
You mean the Operator SDK? https://sdk.operatorframework.io
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Dont understand how I can watch external resources modification/deletion with my custom operator
yes I agree with youu, an issue has been opened on the operator-sdk github page regarding this topic https://github.com/operator-framework/operator-sdk/issues/6117
Testify
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What 3rd-party libraries do you use often/all the time?
github.com/stretchr/testify
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Testing calls to Daily's REST API in Go
I then verify that there are no issues with writing the body with require.NoError() from the testify toolkit. This will ensure the test fails if something happens to go wrong at this point.
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Gopher Pythonista #1: Moving From Python To Go
For testing purposes, Go provides a go test command that automatically discovers tests within your application and supports features such as caching and code coverage. However, if you require more advanced testing capabilities such as suites or mocking, you will need to install a toolkit like testify. Overall, while Go provides a highly effective testing experience, it's worth noting that writing tests in Python using pytest is arguably one of the most enjoyable testing experiences I have encountered across all programming languages.
- Why elixir over Golang
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How to start a Go project in 2023
Things I can't live without in a new Go project in no particular order:
- https://github.com/golangci/golangci-lint - meta-linter
- https://goreleaser.com - automate release workflows
- https://magefile.org - build tool that can version your tools
- https://github.com/ory/dockertest/v3 - run containers for e2e testing
- https://github.com/ecordell/optgen - generate functional options
- https://golang.org/x/tools/cmd/stringer - generate String()
- https://mvdan.cc/gofumpt - stricter gofmt
- https://github.com/stretchr/testify - test assertion library
- https://github.com/rs/zerolog - logging
- https://github.com/spf13/cobra - CLI framework
FWIW, I just lifted all the tools we use for https://github.com/authzed/spicedb
We've also written some custom linters that might be useful for other folks: https://github.com/authzed/spicedb/tree/main/tools/analyzers
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Do you wrap testing libraries?
Im thinking in wrap or not the library https://github.com/stretchr/testify to do my tests.
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[Go] How to unit test for exception handling?
Are you limited to the std lib, or can you use testify? You can require things like require.Error()
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Tools besides Go for a newbie
IDE: use whatever make you productive. I personally use vscode. VCS: git, as golang communities use github heavily as base for many libraries. AFAIK Linter: use staticcheck for linting as it looks like mostly used linting tool in go, supported by many also. In Vscode it will be recommended once you install go plugin. Libraries/Framework: actually the standard libraries already included many things you need, decent enough for your day-to-day development cycles(e.g. `net/http`). But here are things for extra: - Struct fields validator: validator - Http server lib: chi router , httprouter , fasthttp (for non standard http implementations, but fast) - Web Framework: echo , gin , fiber , beego , etc - Http client lib: most already covered by stdlib(net/http), so you rarely need extra lib for this, but if you really need some are: resty - CLI: cobra - Config: godotenv , viper - DB Drivers: sqlx , postgre , sqlite , mysql - nosql: redis , mongodb , elasticsearch - ORM: gorm , entgo , sqlc(codegen) - JS Transpiler: gopherjs - GUI: fyne - grpc: grpc - logging: zerolog - test: testify , gomock , dockertest - and many others you can find here
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Is gomock still maintained and recommended?
To answer OP directly, I am largely quite happy with mockery (and testify) to write expressive tests.
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Golang, GraphQL y Postgress
Como herramientas te recomiendo: FastJson https://github.com/valyala/fastjson : Si necesitas leer jsons Testify https://github.com/stretchr/testify : Para mockear y testear
What are some alternatives?
kubebuilder - Kubebuilder - SDK for building Kubernetes APIs using CRDs
ginkgo - A Modern Testing Framework for Go
terraform-provider-kubernetes-alpha - A Terraform provider for Kubernetes that uses dynamic resource types and server-side apply. Supports all Kubernetes resources.
GoConvey - Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
sample-controller-kubebuilder - This is Sample Controller(Foo Controller) developed by Kubebuilder
gomega - Ginkgo's Preferred Matcher Library
postgres-operator - Postgres operator creates and manages PostgreSQL clusters running in Kubernetes
gomock - GoMock is a mocking framework for the Go programming language.
controller-runtime - Repo for the controller-runtime subproject of kubebuilder (sig-apimachinery)
gotest.tools - A collection of packages to augment the go testing package and support common patterns.
sandbox-operator - A Kubernetes operator for creating isolated environments
go-cmp - Package for comparing Go values in tests