teleportinfolabels

Scripts and howtos for providing resource information and with easily identifable colors. You can call a program or script program as part of the Teleport label configuration. In addition to regular text you can also display unicode chars that include visually capturing colors like 🟡 🟢 ❌. Please check out these examples and offer any feedback!

Example:

WARNING: Confirm any of these scripts prior to use. All of them should be non-impactful. If you configure with a low period level that may cause additional overhead on the machine.

Node Information

Example:

Script files:

• getnodeinfo.sh
• getfreemem.sh
• getfreespace.sh

Example getnodeinfo.sh output that combines the getfreemem.sh and getfreespace.sh output. stats: 25% mem 🟢 54% storage 🟡

To install:

1. Retrieve this repository
2. Add getnodeinfo.sh, getfreemem.sh, getfreespace.sh to user running Teleport's path or copy to /usr/local/bin
3. Confirm output running

getnodeinfo.sh

ssh_service:
  enabled: yes
  labels:
    env: prod
  commands:
  - command:
    - getnodeinfo.sh
    name: stats
    period: 1m

Database Information

Uses a script to confirm port for database or application

Example DB:

$ tsh db ls
Name              Description                    Labels                          Connect 
----------------- ------------------------------ ------------------------------- ------- 
dev-mysql-db      🐬 dev database                 status=Ok 🟢,tier=dev                    
dev-mysql2        🐬 Example self hosted mysql    status=Unavailable ❌,tier=dev           
dev-postgresql-db 🐘 dev database                 status=Ok 🟢,tier=dev 

Example App: Confirms

Script files:

• getavail.sh

getavail.sh takes the host and port number for the service to confirm is open

Calls nmap to check for available service with given service type Usage: getavail.sh getavail.sh <output map output --outputnmap>

To install:

1. Retrieve this repository
2. Install nmap if not already available
3. Add getavail.sh to user PATH running Teleport path or copy to /usr/local/bin
4. Confirm output running

# getavail.sh <database or web resource host> <port>
# Confirming if a port is open
getavail.sh www.example.com 443
Ok 🟢

#Now check against a port we don't expect to be available
```bash
getavail.sh www.example.com 444
Unavailable ❌

Example database label

 - name: "postgresql-db"
   description: "🐘 postgresql database"
   protocol: "postgres"
   uri: "sample-rds-postgres-database-1.daf.us-east-1.rds.amazonaws.com:5432"
   aws:
     region: "us-east-1"
   static_labels:
     env: dev
   dynamic_labels:
   - name: "status"
     command:
       - getavail.sh
       - sam-rds-postgres-database-1.cmzxvtskm1qh.us-east-1.rds.amazonaws.com
       - 5432
       - postgresql
     period: 15m

Example app resource example

Example

tsh apps ls
Application       Description Public Address                                Labels                                          
----------------- ----------- --------------------------------------------- ----------------------------------------------- 
jenkinsapp                    jenkinsapp.teleport.example.com        status=Ok 🟢, teleport.dev/origin=config-file

Configure your service like below.

  - name: "jenkinsapp"
    uri: "http://localhost:8888"
    commands:
    - name: "status"
      command:
        - getavail.sh
        - localhost
        - 8888
      period: 5m