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https://github.com/GuyBarros/nomad_jobs
A collection of Nomad Jobds to run as part of the meanstack-consul-connect demo
https://github.com/GuyBarros/nomad_jobs
Last synced: 3 months ago
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A collection of Nomad Jobds to run as part of the meanstack-consul-connect demo
- Host: GitHub
- URL: https://github.com/GuyBarros/nomad_jobs
- Owner: GuyBarros
- License: apache-2.0
- Created: 2018-10-17T12:07:31.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2024-07-18T11:51:50.000Z (4 months ago)
- Last Synced: 2024-07-19T15:36:53.743Z (4 months ago)
- Language: HCL
- Size: 216 KB
- Stars: 138
- Watchers: 3
- Forks: 38
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# nomad_jobs
A collection of Nomad Jobds to run as part of the meanstack-consul-connect demo
These are tightly coupled with the nomad created in the repo `terraform-aws-demostack`
***These should NOT be used as examples of a production deployment.***
- [PortgreSQL dynamic credentials](#portgresql-dynamic-credentials)
- [Vault SSH OTP](#vault-ssh-otp)
- [Vault SSH CA](#vault-ssh-ca)
- [LDAP Auth](#ldap-auth)
## List demos
### PortgreSQL dynamic credentials
Declare the following in your `runjobs.tf`
``` javascript
resource "nomad_job" "postgresSQL" {
jobspec = "${file("./postgresSQL.nomad")}"
}
resource "nomad_job" "pgadmin" {
jobspec = "${file("./pgadmin.nomad")}"
}
```
This first script will deploy the PostgreSQL database, whilst the second one will deploy the PGAdmin tool.
Once you open the _pgadmin_ tool, there's already a preconfigured connection named `Server Group 1` with:
* postgres.service.consul:5432
* username="root"
* password="rootpassword"
* disable SSL
* database = postgres
Setup your vault
```bash
vault secrets enable database
vault write database/config/postgresql plugin_name=postgresql-database-plugin connection_url="postgresql://{{username}}:{{password}}@postgres.service.consul:5432/postgres?sslmode=disable" allowed_roles="*" username="root" password="rootpassword"
vault write database/roles/readonly db_name=postgresql [email protected] default_ttl=1h max_ttl=24h
```
You can find the `readonly.sql` file in this repo.
```bash
# read credentials
vault read database/creds/readonly
```
Declare the following in your `runjobs.tf`, where `nomad_node` is your nomad node name for ssh.
``` javascript
data "template_file" "vault-ssh-helper" {
template = "${file("./vault-ssh-helper.nomad.tpl")}"
vars = {
nomad_node = "ric-lnd-stack-server-1"
}
}
resource "nomad_job" "vault-ssh-helper" {
jobspec = "${data.template_file.vault-ssh-helper.rendered}"
}
```
Afterwards, setup vault
```bash
vault secrets enable ssh
vault write ssh/roles/otp_key_role key_type=otp default_user=ubuntu cidr_list=0.0.0.0/0
```
And from your client machine you'll be able to accessthe node:
``` bash
vault ssh -role otp_key_role -mode otp -strict-host-key-checking=no ubuntu@
```
Declare the following in your `runjobs.tf`, where `nomad_node` is your nomad node name for ssh.
``` javascript
data "template_file" "vault-ssh-ca" {
template = "${file("./vault-ssh-ca.nomad.tpl")}"
vars = {
nomad_node = "ric-lnd-stack-server-1"
}
}
resource "nomad_job" "vault-ssh-ca" {
jobspec = "${data.template_file.vault-ssh-ca.rendered}"
}
```
This demo will already setup your Vault with the right backend and role.
To use it, make sure you have an existing ssh key pair (`ssh-keygen -t rsa -C "[email protected]`)
Then sign your key and save it to disk
``` bash
# to sign your key
vault write -field=signed_key ssh-client-signer/sign/my-role \
public_key=@$HOME/.ssh/id_rsa.pub > signed-cert.pub
# (Optional) to verify your keygen
ssh-keygen -Lf signed-cert.pub
# Then just sign in (replacing your server hostname)
ssh -i signed-cert.pub -i ~/.ssh/id_rsa ubuntu@
```
Declare the following in your `runjobs.tf`,
``` javascript
resource "nomad_job" "ldap-server" {
jobspec = "${file("./ldap-server.nomad")}"
}
resource "nomad_job" "phpldapadmin" {
jobspec = "${file("./phpldapadmin.nomad")}"
}
```
You can login via `fabio` on `http://fabio..hashidemos.io:9999/phpldapadmin-server/` as `cn=admin,dc=example,dc=org`, to view the users that are pre-loaded.
To configure vault for the control groups demo, see [LDAP-configure-Vault-Script](LDAP-configure-Vault-Script.md)