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Ovidiu Borlean
Ovidiu Borlean

6 Followers

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Jan 6

AKS Traffic Analytics with NSG Flow Logs

Network traffic analysis in context of Azure Kubernetes Services managed cluster could be a complex task as it could involve installation of third-party products on the cluster’s Node, manually capturing network traffic with or without the necessary filters and exporting the results to an external destination in order to be…

Aks

4 min read

AKS Traffic Analytics with NSG Flow Logs
AKS Traffic Analytics with NSG Flow Logs
Aks

4 min read


Nov 29, 2022

Testing Kubernetes Load Balancer Traffic with Python Flask

Objective Testing an exposed service through AKS Load Balancer in Azure Kubernetes Service with a simple Flask application that will return the IP address of the caller and the hostname of respondent Pod. Prerequisites Will use an AKS managed cluster configured with Outbound type of Load Balancer. We can use both internal…

Kuber

2 min read

Testing Kubernetes Load Balancer Traffic with Python Flask
Testing Kubernetes Load Balancer Traffic with Python Flask
Kuber

2 min read


Nov 28, 2022

Testing DNS resolution with Go

The scope of this article is to provide a simple solution to measure DNS resolution and latency in a continuous loopback with logging capabilities. The script is written in Golang, it can be run with the following command, or it can be compiled on the platform when needs to run …

DNS

2 min read

Testing DNS resolution with Go
Testing DNS resolution with Go
DNS

2 min read


Nov 26, 2022

Mount Azure Blob containers with NFS in AKS Cluster

Objective Azure Blob containers could be mounted on AKS cluster through the CSI Blob drivers provided as part of AKS Addon. You can find Microsoft Learn documentation at the following link: Prerequisites AKS Cluster in supported version with CSI Blob drivers enabled. …

Aks

3 min read

Mount Azure Blob containers with NFS in AKS Cluster
Mount Azure Blob containers with NFS in AKS Cluster
Aks

3 min read


Nov 26, 2022

How to mount a multiline secret in AKS

This document will provide the guide to use a multi line secret from Azure Key Vault in Azure Kubernetes Secret Update AKS Cluster with CSI-Secret AddOn Update my existing AKS Cluster to csi-secret addon: az aks enable-addons --addons azure-keyvault-secrets-provider --name aks --resource-group aks 2.Creating Azure Key Vault: az keyvault create -n ovidiuborlean-keyvault -g MC_aks_aks_westeurope -l westeurope

Aks

2 min read

How to mount a multiline secret in AKS
How to mount a multiline secret in AKS
Aks

2 min read


Nov 26, 2022

Network traffic capture in AKS Windows Nodes

Getting Windows Pods Network Capture is usually a multi-step process. You need to connect to Node, install or run the necessary tools to accomplish this task, get the results through a Storage Account or kubectl cp. …

Aks

2 min read

Network traffic capture in AKS Windows Nodes
Network traffic capture in AKS Windows Nodes
Aks

2 min read


Nov 26, 2022

Networking latency measurement in Kubernetes with Sockperf plugin

This document will provide a simple implementation of a kubectl plugin used for latency measurements between two Pods on a Kubernetes cluster. It can be run as a standalone bash script or as plugin with kubectl binary after copying the script content in somewhere in the local PATH. This script…

Kubernetes

2 min read

Networking latency measurement in Kubernetes with Sockperf plugin
Networking latency measurement in Kubernetes with Sockperf plugin
Kubernetes

2 min read


Nov 26, 2022

Testing Azure MongoDB connectivity with Python

The objective of this script is to test connectivity with a Azure MongoDB Instance and measure the latency of that operation in a loop. The following packages needs to be installed in order to run this script: Python3 Python3-pip pymongo (PIP Package) apt update apt install python3 -y apt install python3-pip -y pip3…

Mongodb

1 min read

Testing Azure MongoDB connectivity with Python
Testing Azure MongoDB connectivity with Python
Mongodb

1 min read


Nov 23, 2022

Testing Azure MySQL database connectivity with Python

When customers complains about connectivity issues towards the Azure MySQL endpoints, we developed a simple Python script that is continuously testing respective endpoint and save the timestamped output both in stdout and local file. Prerequisites For running this script, we need to deploy a testing Pod on AKS cluster where we…

MySQL

2 min read

Testing Azure MySQL database connectivity with Python
Testing Azure MySQL database connectivity with Python
MySQL

2 min read


Nov 23, 2022

Testing Azure PostgresSQL connectivity with Python

When you get complains about connectivity issues towards the Azure Database PostgreSQL endpoints, we developed a simple Python script that is continuously testing respective endpoint and save the timestamped output both in stdout and local file. Prerequisites For running this script, we need to deploy a testing Pod on AKS cluster…

Postgresql

2 min read

Testing Azure PostgresSQL connectivity with Python
Testing Azure PostgresSQL connectivity with Python
Postgresql

2 min read

Ovidiu Borlean

Ovidiu Borlean

6 Followers
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