Tag Archives: AWS

Kubernetes: part 5 — RBAC authorization with a Role and RoleBinding example

26 March 2020

 The next task is to add a new user who will have access to check pods state and watch logs – any other operations must be prohibited. AWS EKS uses AWS IAM for authentification in a Kubernetes cluster (check the Kubernetes: part 4 – AWS EKS authentification, aws-iam-authenticator and AWS IAM post for details), bot… Read More »

AWS: CloudFormation – Nested Stacks and stacks parameters Import/Export

29 February 2020

 Nested Stacks in AWS CloudFormation are stacks, created from another, a “parent”, stack using AWS::CloudFormation::Stack. The main idea behind the Nested Stacks is to avoid writing superfluous code and to make templates reusable. Instead, a template is created only once, stored in an S3 bucket, and during stacks creation – you just refer to it.… Read More »

Kubernetes: running a push-server with Gorush behind an AWS LoadBalancer

6 February 2020

 Gorush is a Go-written application which we are planning to use to send push notifications to our mobile clients. The project’s home – https://github.com/appleboy/gorush The service will be running in our Kubernetes cluster in a dedicated namespace and must be accessible within the cluster’s VPC only, so we will use an Internal ALB from AWS.… Read More »

dnsmasq: AWS – “Temporary failure in name resolution”, logs, debug and dnsmasq cache size

28 October 2019

 We are using AWS VPC DNS and sometimes facing with errors like “php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution“. The only advice from AWS tech. support was to configure a local dnsmasq service to act as a local DNS cache, but I did this already year ago and this issue happens once in 1-2-3… Read More »

AWS: Redshift – quick start and SQL-workbench connection config

18 October 2019

 Our data-analytics team eventually started to play with an AWS Redshift cluster instead of the MariaDB RDS service. Actually, the current task is to spin up a simple Proof of Concept Redshift’s cluster in the AWS. Let’s do it quickly, without details – if this will go to the Production, I’ll add another post with… Read More »

AWS: create an Elastic Container Registry and Jenkins deploy job

23 September 2019

 The task is to create an AWS ECR repository and add a Jenkins job to build and deploy Docker images to this repository. See the next part – Jenkins: Docker Compose deployment from Ansible with ECR authentication. AWS ECR Go to the ECR, click Get Started, set a new repository name: Lave Mutable, so you’ll be… Read More »

Kubernetes: part 4 – AWS EKS authentification, aws-iam-authenticator and AWS IAM

3 September 2019

  Let’s proceed with our AWS Elastic Kubernetes Service, EKS. Previous parts: Kubernetes: part 1 – architecture and main components overview Kubernetes: part 2 – a cluster set up on AWS with AWS cloud-provider and AWS LoadBalancer Kubernetes: part 3 – AWS EKS overview and manual EKS cluster set up. In the previous – Kubernetes:… Read More »