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Concourse

Prerequisites

If one has followed the BBL steps mentioned in the IaaS-Specific Getting Started Guides, the foundation has been created according to your IaaS of choice, which typically includes:

  1. A BOSH director
  2. A jumpbox
  3. A set of randomly generated BOSH director credentials
  4. A generated keypair allowing you to SSH into the BOSH director and any instances BOSH deploys
  5. A copy of the manifest the BOSH director was deployed with
  6. A basic cloud config

Deploy Concourse Cluster

On top of these, below are the typical steps to deploy Concourse cluster.

1. Create Concourse LB

Let's run our scripts in the folder where one ran the bbl up.

bbl plan --lb-type concourse
bbl up

Note: this will create a new IaaS Load Balancer, with some ports (80, 443, 2222, 8443, 8844) pre-configured and opened, to front Concourse web node(s).

2. Prepare for Concourse Deployment

eval "$(bbl print-env)"

export IAAS="$(cat bbl-state.json | jq -r .iaas)"
if [ "${IAAS}" = "aws" ]; then
  export EXTERNAL_HOST="$(bbl outputs | grep concourse_lb_url | cut -d ' ' -f2)"
  export STEMCELL_URL="https://bosh.io/d/stemcells/bosh-aws-xen-hvm-ubuntu-bionic-go_agent"
elif [ "${IAAS}" = "gcp" ]; then
  export EXTERNAL_HOST="$(bbl outputs | grep concourse_lb_ip | cut -d ' ' -f2)"
  export STEMCELL_URL="https://bosh.io/d/stemcells/bosh-google-kvm-ubuntu-bionic-go_agent"
else # Azure
  export EXTERNAL_HOST="$(bbl outputs | grep concourse_lb_ip | cut -d ' ' -f2)"
  export STEMCELL_URL="https://bosh.io/d/stemcells/bosh-azure-hyperv-ubuntu-bionic-go_agent"
fi

bosh upload-stemcell "${STEMCELL_URL}"

3. Customize & Deploy

git clone https://github.com/concourse/concourse-bosh-deployment.git

pushd concourse-bosh-deployment/cluster

    export USERNAME="username"
    export PASSWORD="super-secure-password"

    cat > ../../vars/concourse-vars-file.yml <<EOL
external_host: "${EXTERNAL_HOST}"
external_url: "https://${EXTERNAL_HOST}"
local_user:
  username: "${USERNAME}"
  password: "${PASSWORD}"
network_name: 'private'
web_instances: 1
web_network_name: 'private'
web_vm_type: 'default'
web_network_vm_extension: 'lb'
db_vm_type: 'default'
db_persistent_disk_type: '1GB'
worker_instances: 2
worker_vm_type: 'default'
worker_ephemeral_disk: '50GB_ephemeral_disk'
deployment_name: 'concourse'
azs: ['z1']
EOL

  bosh deploy -d concourse concourse.yml \
    -l ../versions.yml \
    -l ../../vars/concourse-vars-file.yml \
    -o operations/basic-auth.yml \
    -o operations/privileged-http.yml \
    -o operations/privileged-https.yml \
    -o operations/tls.yml \
    -o operations/tls-vars.yml \
    -o operations/web-network-extension.yml \
    -o operations/scale.yml \
    -o operations/worker-ephemeral-disk.yml
 
popd

Note: do check it out here for tons of operations files by which one can tune / customize the Concourse cluster.

4. Check It Out

Once it's successfully done, we can simply check it out.

View the BOSH VMs' status:

bosh -d concourse vms

...
Deployment 'concourse'

Instance                                     Process State  AZ  IPs       VM CID                                   VM Type  Active
db/e3921a7d-ca25-4abc-9860-8fae73625507      running        z1  10.0.1.1  vm-ebe33d11-a858-45bf-61eb-89eff5bb86f8  default  true
web/dffa0d32-6e2d-446e-838f-ecfff86f0d51     running        z1  10.0.1.0  vm-6d4585b5-fda2-4215-547a-b249de8b1384  default  true
worker/06c58730-35f1-4c2f-9bb0-10f0216f8491  running        z1  10.0.1.2  vm-026513ed-85c7-47aa-7260-0fe7c286af36  default  true
worker/3a0945f5-b59d-4ef9-8002-d7c8468c2f59  running        z1  10.0.1.3  vm-4ee75638-ba98-4474-7719-b523b3fabd23  default  true

4 vms

Succeeded

Open Concourse in Browser:

open `bosh int vars/concourse-vars-file.yml --path /external_url`

And login with username/password from below output:

bosh int vars/concourse-vars-file.yml --path /local_user