controller/contrib/aws/create at cb867a0d77a3fbed3a5f638dcd28d837236dd7fd · drycc/controller · GitHub

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#!/usr/bin/env bash

set -eo pipefail -o nounset

export DEIS_NUM_INSTANCES=3

function aws-setup-keypair {
  local deis_auth_key="${1}"

  rigger-log "Importing ${deis_auth_key} keypair to EC2"

  # TODO: don't hardcode --key-names
  if ! aws ec2 describe-key-pairs --key-names "deis" >/dev/null ; then
    rigger-log "Importing ${deis_auth_key} keypair to EC2"
    aws ec2 import-key-pair --key-name deis \
        --public-key-material file://${deis_auth_key}.pub \
        --output text
  fi
}

function aws-provision-cluster {
  local stack_name="${1}"

  # customize cloudformation.json to use m3.medium instances
  cat > $DEIS_ROOT/contrib/aws/cloudformation.json <<EOF
  [
      {
          "ParameterKey":     "KeyPair",
          "ParameterValue":   "deis"
      }
  ]
EOF

  rigger-log "Provisioning ${DEIS_NUM_INSTANCES}-node CoreOS"

  "${DEIS_ROOT}/contrib/aws/provision-aws-cluster.sh" "${stack_name}"

  # discard changes to cloudformation.json
  git checkout -- "${DEIS_ROOT}/contrib/aws/cloudformation.json"
}

function aws-get-elb-dns-name {
  local stack_name="${1}"

  aws cloudformation describe-stacks \
      --stack-name "${stack_name}" \
      --max-items 1 \
      --query 'Stacks[].[ Outputs[0].[ OutputValue ] ]' \
      --output=text
}

function aws-get-elb-name {
  local elb_dns_name="${1}"

  aws elb describe-load-balancers \
    --query 'LoadBalancerDescriptions[].[ DNSName,LoadBalancerName ]' \
    --output=text | grep -F ${elb_dns_name} | head -n1 | cut -f2
}

function aws-setup-route53 {
  local stack_name="${1}"
  local domain="${2}"

  rigger-log "Setting up Route53 zone..."

  python "${DEIS_ROOT}/contrib/aws/route53-wildcard.py" create "${domain}" "$(aws-get-elb-dns-name ${stack_name})"
}

function aws-get-instance-id {
  local stack_name="${1}"

  local instance_ids=$(aws ec2 describe-instances \
      --filters Name=tag:aws:cloudformation:stack-name,Values=${stack_name} Name=instance-state-name,Values=running \
      --query 'Reservations[].Instances[].[ InstanceId ]' \
      --output text)

  cut -d " " -f1 <<< ${instance_ids}
}

function aws-deisctl-tunnel {
  local stack_name="${1}"

  aws ec2 describe-instances \
      --instance-ids=$(aws-get-instance-id ${stack_name}) \
      --filters Name=tag:aws:cloudformation:stack-name,Values=${stack_name} Name=instance-state-name,Values=running \
      --query 'Reservations[].Instances[].[ PublicDnsName ]' \
      --output text
}

(
  cd ${DEIS_ROOT}
  rigger-log "Creating CloudFormation stack ${STACK_NAME}"
  aws-setup-keypair "${DEIS_TEST_AUTH_KEY}"
  aws-provision-cluster "${STACK_NAME}"
)

export ELB_DNS_NAME=$(aws-get-elb-dns-name "${STACK_NAME}")
export ELB_NAME=$(aws-get-elb-name "${ELB_DNS_NAME}")
export DEIS_TEST_DOMAIN="${STACK_TAG}.${DEIS_TEST_DOMAIN}"

(
  cd ${DEIS_ROOT}
  aws-setup-route53 "${STACK_NAME}" "${DEIS_TEST_DOMAIN}"
  aws-get-instance-id "${STACK_NAME}"
)

export DEISCTL_TUNNEL="$(aws-deisctl-tunnel ${STACK_NAME})"
rigger-log "DEISCTL_TUNNEL=${DEISCTL_TUNNEL}"
rigger-save-vars DEISCTL_TUNNEL \
                 ELB_DNS_NAME \
                 ELB_NAME \
                 STACK_TAG \
                 STACK_NAME \
                 DEIS_TEST_DOMAIN