100daysofdevops

1. Create a Namespace
# Create a namespace named 'devops'
kubectl create ns devops

2. Create a Private Key for the User
# Generate a 2048-bit RSA private key for the user
openssl genrsa -out prashant.key 2048

3. Create a Certificate Signing Request (CSR) for the User

100daysofdevops

#Installation in mac or in different version https://github.com/k8sgpt-ai/k8sgpt
brew tap k8sgpt-ai/k8sgpt
brew install k8sgpt

# Verify the version
k8sgpt version

#Checking Help
k8sgpt --help

100daysofdevops

import boto3

s3 = boto3.client('s3')
paginator = s3.get_paginator('list_objects_v2')

page_size = 100
bucket_name = 'your-bucket-name'
prefix = 'your-prefix'

response_iterator = paginator.paginate(

100daysofdevops

#!/usr/bin/env python3
# Python script to convert EC2 instance from one type to another and read input from csv file with a format instance_id,instance_type

import argparse
import boto3
import sys
import csv

def convert_instance(instance_id, new_instance_type, csv_file=None):
    # Create an EC2 client

100daysofdevops

100daysofdevops

import csv
filename="test.csv"



with open(filename) as f:
    read_csv = csv.reader(f)
    for data in read_csv:
        print(data)

100daysofdevops

def sum(num):
    sum_val = 0 
    while num:
        sum_val += num % 10 
        num //= 10 

    return sum_val 

def solution(A):
    sum_map = {} 

100daysofdevops

class Stack(object):

    def __init__(self):
        self.items = []

    def push(self,item):
        self.items.append(item)

    def pop(self):
        return self.items.pop()

100daysofdevops

locals {
  max_subnet_length = max(
    length(var.private_subnets),
    length(var.elasticache_subnets),
    length(var.database_subnets),
    length(var.redshift_subnets),
  )
  nat_gateway_count = var.single_nat_gateway ? 1 : var.one_nat_gateway_per_az ? length(var.azs) : local.max_subnet_length

  # Use `local.vpc_id` to give a hint to Terraform that subnets should be deleted before secondary CIDR blocks can be free!

100daysofdevops

resource "aws_route53_record" "sdlc-scm-route53-record" { 
  count   = "${length(var.hostname)}" 
  name    = "${element(var.hostname,count.index )}" 
  type    = "A" 
  zone_id = "${var.zone_id}" 
  records = ["${element(var.arecord, count.index)}"] 
  ttl     = "300" 
}