https://github.com/kelseyhightower/hashiconf-eu-2016

HashiConf EU 2016
https://github.com/kelseyhightower/hashiconf-eu-2016

Last synced: 3 months ago
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HashiConf EU 2016

• Host: GitHub
• URL: https://github.com/kelseyhightower/hashiconf-eu-2016
• Owner: kelseyhightower
• Created: 2016-06-12T06:36:35.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2016-09-08T14:53:59.000Z (about 8 years ago)
• Last Synced: 2024-04-26T06:32:32.733Z (7 months ago)
• Language: Shell
• Size: 236 KB
• Stars: 106
• Watchers: 7
• Forks: 20
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-nomad - kelseyhightower/hashiconf-eu-2016 - Repo from a talk on building out a deployment with GCE/Consul/Nomad/Fabio loadbalancer. Check out the talk on youtube: https://www.youtube.com/watch?v=Nosa5-xcATw (Tutorials)

README

        
# HashiConf EU 2016

## Prerequisites

[Bootstrap the HashiStack on Google Compute Engine](hashistack.md)

Login into the controller node and checkout this repository.

```

gcloud compute ssh ns-1

```

```

git clone https://github.com/kelseyhightower/hashiconf-eu-2016.git

```

```

cd hashiconf-eu-2016

```

### Create the Hashiapp Policy and Token

```

vault policy-write hashiapp vault/hashiapp-policy.hcl

```

```

vault token-create \

  -policy="hashiapp" \

  -display-name="hashiapp"

```

Edit `jobs/hashiapp.nomad` job

```

env {

  VAULT_TOKEN = "HASHIAPP_TOKEN"

  VAULT_ADDR = "http://vault.service.consul:8200"

  HASHIAPP_DB_HOST = "CLOUD_SQL:3306"

}

```

### Create the Hashiapp Secret

```

vault read mysql/creds/hashiapp

```

```

vault write secret/hashiapp jwtsecret=secret

```

## Service Discovery with Consul

```

nomad plan jobs/consul.nomad

```

```

nomad run jobs/consul.nomad

```

```

nomad status consul

```

```

consul join nc-1 nc-2 nc-3 nc-4 nc-5

```

```

consul members

```

## Hashiapp Job

Submit the hashiapp service job.

```

nomad run jobs/hashiapp.nomad

```

```

nomad status hashiapp

```

#### Viewing Logs

```

nomad fs -job hashiapp alloc/logs/hashiapp.stderr.0

nomad fs -job hashiapp alloc/logs/hashiapp.stdout.0

```

## Load Balancing with Fabio

run curl on a private intance

```

nomad run jobs/fabio.nomad

```

```

nomad status fabio

```

#### Send Traffic

```

curl -H "Host: hashiapp.com" http://:9999/version

```

```

while true; do curl -H "Host: hashiapp.com" http://:9999/version; sleep 1; done

```

### Scaling Up

Edit `jobs/hashiapp.nomad`

```

count = 5

```

```

nomad plan jobs/hashiapp.nomad

```

```

nomad run jobs/hashiapp.nomad

```

### Rolling Upgrades

Edit `jobs/hashiapp.nomad`

```

source = "https://storage.googleapis.com/hashistack/hashiapp/v2.0.0/hashiapp"

checksum = "sha256:372ddaeb9ac97a2eecd7dd3307bd32f8b0c188d47239f7ef6790609f9a157ca4"

```

```

nomad plan jobs/hashiapp.nomad

```

```

nomad run jobs/hashiapp.nomad

```