k8s-wait-for
migrate
k8s-wait-for | migrate | |
---|---|---|
6 | 72 | |
563 | 14,000 | |
- | 2.0% | |
0.0 | 8.0 | |
about 2 months ago | 10 days ago | |
Shell | Go | |
MIT License | GNU General Public License v3.0 or later |
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k8s-wait-for
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Managing external database versions in Kubernetes
You would then use an init-container like k8s-wait-for to only launch the new version of the app once the database has been updated.
- k8s-wait-for: A simple script that allows to wait for a k8s service, job or pods to enter a desired state
- How to Start a Pod after ALL others are Running ?
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k8s-wait-for VS docker-k8s-wait-for-it - a user suggested alternative
2 projects | 4 Nov 2021
- Setting up an order in which containers would start
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Rainbow deployments in Kubernetes - is this the best approach for zero-downtime with long running (hours) workloads?
We're using job to run commands as a prerequisite for a deployment (initContainer are not a good fit since we don't want these commands to run on each pod start up). We create a job with a different name (usually the commit hash) and have an initContainer in the deployment running this image: https://github.com/groundnuty/k8s-wait-for
migrate
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Using migrations with Golang
Go does not natively support the use of migrations, but we could use the ORM that has this functionality, such as GORM which is the most used by the community, but We can use migrations without using an ORM, for this we will use the golang-migrate package.
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How to use SQLC with Golang
$ curl -L https://github.com/golang-migrate/migrate/releases/download/$version/migrate.$os-$arch.tar.gz | tar xvz
- Looking for recommendations for model/schema/migration management in Golang
- API completa em Golang - Parte 1
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Building RESTful API with Hexagonal Architecture in Go
Golang-migrate is a database migration tool designed for Go applications. It helps manage and apply changes to the database schema as the application grows, ensuring that the code and database structure stay in sync.
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Python: Just Write SQL
First of all, thank you for SQLAlchemy! If I ever had to make a final choice in how I would interact with a database for a very large project that involves a considerable dev team, I would always bet on SQLAlchemy. Not that I would necessarily like all aspects of it, but when it comes to Python and SQL - “Nobody ever got fired for picking SQLAlchemy.”.
With that out of the way, despite ORMs doing much more than "just writing SQL", it is exactly on that point that I flinch: Most devs should be exposed to SQL. And if your project allows you to build around simple enough abstractions so that you aren't reinventing the wheel, you should definitely be writing SQL. Especially if you don't know SQL yet - which is the growing case of new devs coming into the job market.
You can achieve a lot with SQlAlchemy Core, a tool that I absolutely recommend, but my post is just a simple alternative to get developers to think about their approach. If that results in some devs reconsidering using "full fat" SQLAlchemy and to try SQLAlchemy Core, that's a win for me!
Your gist tries to highlight the difficulty of doing certain things without an ORM. Migrations (as just 1 example) doesn't need to be hard, simple tools like flyway, or migrate (https://github.com/golang-migrate/migrate) achieve a similar result (while also keeping you on the path of writing SQL!). Deep and complex relationships between objects also don't need to be hard - typically people approach this subject with a requirement to be very flexible in the way they want to build queries and objects, but that to me in a sign that maybe they should reconsider their business logic AND reconsider that, just maybe, their project doesn't require all that flexibility, it is fairly straightforward to extend objects and introduce some more complex representations as and when it is needed - will all of this make me write code faster? Absolutely not. That is why you have spent so much time perfecting SQLAlchemy, but then again, I am not advocating for devs to go and replace their usage of ORMs, just presenting an alternative that may or may not fit their needs for a new project + give devs the chance to learn something that the ORM might have taken away.
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best practices for testing of stored procedure calls?
Doing this now with a mysql db for my use case. Using sp to take a large chunk of data migration load off my data layer code. I am using migrate (go library) for migrations and hooked it up with a bunch of test suites for all SP and Triggers it creates. I test it against a testDB maintained as part of my CI/CD. Haven’t had an issue with production yet. It does however require quite a bit of initial setup.
- Database migration tool
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REST API with Go, Chi, MySQL and sqlx
Before we can start using MySQL we need to create a table to store our data. I will be using excellent migrate database migrations tool, it can also be imported as a libraray.
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Authentication system using Golang and Sveltekit - User registration
We need a database table to store our application's users' data. To generate and migrate a schema, we'll use golang migrate. Kindly follow these instructions to install it on your Operating system. To create a pair of migration files (up and down) for our user table, issue the following command in your terminal and at the root of your project:
What are some alternatives?
docker-k8s-wait-for-it - Init container for Kubernetes to ensure a service, pods, or DNS are correctly configured before allowing the other containers in the pod to start.
goose
k3s-gitops - My home Kubernetes (k3s) cluster managed by GitOps (Flux2) [Moved to: https://github.com/onedr0p/home-cluster]
goose - A database migration tool. Supports SQL migrations and Go functions.
argo - Workflow Engine for Kubernetes
pgx - PostgreSQL driver and toolkit for Go
PIVT - Helm charts for running and operating Hyperledger Fabric in Kubernetes. Previously hosted at https://github.com/APGGroeiFabriek/PIVT.
tern - The SQL Fan's Migrator
flux2-kustomize-helm-example - A GitOps workflow example for multi-env deployments with Flux, Kustomize and Helm.
gormigrate - Minimalistic database migration helper for Gorm ORM
helm-secrets - DEPRECATED A helm plugin that help manage secrets with Git workflow and store them anywhere [Moved to: https://github.com/zendesk/helm-secrets]
sqlx - general purpose extensions to golang's database/sql