Create simple Kubernetes cluster using kops CLI

kops-create-cluster.sh

#!/usr/bin/env sh

export CLOUD_PROVIDER="aws"

#
# VARIABLES - AWS
#
export AWS_AVAILABLE_ZONES_MASTER="us-east-1c"
export AWS_AVAILABLE_ZONES_WORKER="us-east-1a,us-east-1b,us-east-1c"
export AWS_EC2_FAMILY_MASTER="t2.medium"
export AWS_EC2_FAMILY_WORKER="t2.medium"
export AWS_EC2_IMAGE="379101102735/debian-stretch-hvm-x86_64-gp2-2018-08-20-85640"
export AWS_RESOURCE_TAGS="Tool=k8s,Purpose=labs"
export AWS_ROUTE53_ZONE="tioxy.com"
export AWS_S3_BUCKET_NAME="tioxy-kops"
export AWS_SECGROUPS_MASTER="sg-09e97bab78ee5f82a"
export AWS_SECGROUPS_WORKER="sg-0fb0837417362d743"
export AWS_SUBNETS="subnet-9be555d1,subnet-74826c5a,subnet-23b94644"
export AWS_VPC="vpc-82f3a4f9"


#
# VARIABLES - Cluster
#
export CLUSTER_AMOUNT_MASTER=1
export CLUSTER_AMOUNT_WORKER=2
export CLUSTER_NAME="k8s.$AWS_ROUTE53_ZONE"
export CLUSTER_NETWORKING_INTERFACE="weave"
export CLUSTER_TOPOLOGY="public"
export CLUSTER_VERSION="1.10.5"


#
# VARIABLES - kops
#
export KOPS_STATE_STORE="s3://$AWS_S3_BUCKET_NAME"
export KOPS_OUTPUT="yaml"
export KOPS_OUTPUT_FILE="$HOME/.kube/.kops-create-output.yaml"


#
# KOPS - Create Cluster
#
kops create cluster $CLUSTER_NAME \
  --cloud $CLOUD_PROVIDER \
  --dns-zone $AWS_ROUTE53_ZONE \
  --zones $AWS_AVAILABLE_ZONES_WORKER --master-zones $AWS_AVAILABLE_ZONES_MASTER  \
  --networking $CLUSTER_NETWORKING_INTERFACE \
  --cloud-labels $AWS_RESOURCE_TAGS \
  --image $AWS_EC2_IMAGE \
  --vpc $AWS_VPC \
  --subnets $AWS_SUBNETS \
  --kubernetes-version $CLUSTER_VERSION \
  --master-count $CLUSTER_AMOUNT_MASTER \
  --master-size $AWS_EC2_FAMILY_MASTER  \
  --master-security-groups $AWS_SECGROUPS_MASTER \
  --node-count $CLUSTER_AMOUNT_WORKER \
  --node-size $AWS_EC2_FAMILY_WORKER \
  --node-security-groups $AWS_SECGROUPS_WORKER \
  --state $KOPS_STATE_STORE \
  --output $KOPS_OUTPUT \
  --out $KOPS_OUTPUT_FILE