Robotic Studio project

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[FinOps] Using Open Source Bill Bot to Receive AWS Cost Reports via Slack

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What is Bill Bot?  - This open-source solution allows you to receive cost reports via Slack on a daily and monthly basis. The contributors are Christian Bonzelet, an AWS Solutions Architect from Germany, and Mauricio Klein, a developer from Spain. This setup has been verified and is available as open-source for anyone to use. reference:  https://github.com/cremich/cdk-bill-bot Bill Bot Architecture: - The core of Bill Bot is storing CUR data in AWS S3. CUR stands for AWS Cost and Usage Report, which represents cost reports. The CUR data stored in S3 is crawled using Glue crawlers to create/update a database in the Data Catalog. At this point, AWS Athena is ready to query the data. The step function operates based on a scheduled time, which is set to 8 AM UTC by default. The step function works by using a Lambda function to calculate the date for the previous day, then queries the billing data for that date using Athena. Finally, it executes a Lambda function to send the query ...
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Connectivity Between VPCs - Comparison of VPC Peering, VGW, DGW, and TGW

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VGW(Virtual Private Gateway): It's the oldest way, and it was first announced. DGW(Direct Connect Gateway): It was announced in 2017. TGW(Transit Gateway): It was released in 2018. *** VPC peering *** It provides a 1:1 connection between VPCs and establishes a private connection between VPCs in the same account or in different accounts. Using Private IP It is possible to connect not only within the same region but also within different regions. Does not support peering between VPCs if IP is reduplication Only one peering resource can be set up between two VPCs Does not support multiple peering relationships between VPCs Internet Gateway (IGW) or Virtual Private Gateway (VGW) is not required Provides high availability connectivity Maintain Traffic on a Global AWS Backbone Use Case: Provides 1:1 connection between VPCs Use Case: Business Expansion Case Using VPC Peering AWS Direct Connect & VGW(Virtual Private Gateway) A VGW is an endpoint that provides a connection with a VPC wh...
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how to apply K8S HPA(Horizontal Pod Autoscaling)

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Outline  HPA refers to the replica expansion of the Pod inside the K8S node. The goal is to designate replication of deployed POD according to CPU usage so that the service can operate smoothly. (This is different from Instance Autoscaling, which increases instances of work nodes to be described later.) Apply sequence (based on AWS EKS) 1. Create a Kubernetes metrics server. Metrics Server aggregates resource usage data across the Kubernetes cluster. Metrics such as CPU and memory usage of a worker node or container are collected through 'kubelet' installed on each worker node. kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml If the installation is complete, please check the command below for proper installation kubectl get deployment metrics-server -n kube-system 2. Create a replica of the pod that you want to use HPA. Create one of the default values here. Please refer to deployment.yaml below deployment.yaml --- api...
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