junaidk

# install aws cli first and configure it with credentials and default region
# the script will iterate over all regions of AWS

for region in `aws ec2 describe-regions --output text | cut -f4`
do
     echo -e "\nListing Instances in region:'$region'..."
     aws ec2 describe-instances --query "Reservations[*].Instances[*].{IP:PublicIpAddress,ID:InstanceId,Type:InstanceType,State:State.Name,Name:Tags[0].Value}" --output=table --region $region
done

junaidk

srv1 		 = ssh -i key-file-path ubuntu@10.10.10.10
srv2 		 = ssh -i key-file-path ubuntu@10.10.10.11
srv3 		 = ssh -i key-file-path ubuntu@10.10.10.12

junaidk

package main

import (
	"cluster-manager/constants"
	"crypto/tls"
	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/s3"
	"github.com/urfave/cli"

junaidk

#!/bin/bash
#name=${1:-docundotapvpc1}
#region=${2:-us-east-1}
#id=${1:-vpc-08343443447ef34b}
#aws ec2 describe-vpcs --region ${region} | jq -r ".Vpcs[] | select(.VpcId | contains(\"${id}\")) | .VpcId" 2>/dev/null |

name=testingnetwork
region=ap-southeast-1

aws ec2 describe-vpcs --region ${region} | jq -r ".Vpcs[] | select(.Tags[].Value | contains(\"${name}\")) | .VpcId" 2>/dev/null |

junaidk

• install dlv debugger inside build image

  RUN go get github.com/go-delve/delve/cmd/dlv

• copy dlv to final docker image

  COPY --from=build-env /go/bin/dlv /app/dlv

• build go binary with these flags

junaidk

for ROLEIN in $(cat remaining-roles-2 | jq -r ".Roles[] | .RoleName"); do

    ## filter role on pattern
    ROLE=$(echo $ROLEIN | grep -E "\-SR|\-MR|M-CP-X|M-CP-Y")

    if [ -z "$ROLE" ]
    then
        echo ""
    else
        echo role ${ROLE}

junaidk

package main

import (
	"fmt"
	"github.com/anaskhan96/soup"
	"github.com/dustin/go-humanize"
	"io"
	"io/ioutil"
	"net/http"
	"os"

junaidk

get pods

kubectl get pods -n cloudplex-system | grep $1- | awk '{print $1}'

delete pod

kubectl delete po $( getpo $1 )

junaidk

for ROLEIN in $(cat remaining-roles-2 | jq -r ".Roles[] | .RoleName"); do

    ## filter role on pattern
    ROLE=$(echo $ROLEIN | grep -E "\-SR|\-MR|M-CP-X|M-CP-Y")

    if [ -z "$ROLE" ]
    then
        echo ""
    else
        echo role ${ROLE}

junaidk

ssh tunnel from jump server

https://coderwall.com/p/tk_pwa/ssh-into-a-secured-host-through-a-jump-server-and-forward-ports

ssh -v -t -L 10443:localhost:20443 <jump_server> ssh -t -L 20443:localhost:443 user@<target_server>

ssh -v -t -L 9292:localhost:9292 cloud1@10.10.10.10 ssh -t -L 9292:localhost:9292 cloud10@192.168.48.110

simple tunnel