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Katalye is an enterprise class SaltStack UI solution.

License: MIT License

C# 98.25% Dockerfile 0.39% PowerShell 0.29% Python 1.08%

katalye's Introduction

Katalye

AppVeyor DockerHub License

Introduction

Katalye is an enterprise class SaltStack UI solution, providing rich insights into a SaltStack cluster. Built by DevOps for DevOps to more easily maintain and scale a SaltStack deployment.

Rather than simply providing a UI around the SaltStack API or SaltStack python models, Katalye attempts to integrate directly into SaltStack using standardized API's. This gives Katalye the speed, flexibility, stability, and maintainability required to scale and grow.

Katalye is under rapid development. Feeback at this early stage is welcome.

The UI component of Katalye can be found here.

Prototype Job Details

Prototype Minion Job Details

Future

Phase 1

  • Read-only view into a SaltStack Cluster.
  • Provide insights and historical information about minions and jobs.
  • Gather an inventory of salt minions and basic information.
  • Gather information about authentication statistics.
  • Settings page + diagnoses.
  • Minions overview.

Phase 2

  • Authentication - LDAP, Salt-API.
  • User management.
  • Alerts on failed jobs and rejected keys - Email, Web UI.
  • Notification feed.
  • Basic reporting.

Phase 3

  • Basic support for executing common modules.
  • Basic support for executing highstate.

Setup

Salt API

The Salt API is a required component. The Salt API is normally shipped in the salt-api package and should be installed along with the salt-master.

# For example, on Ubuntu:
sudo apt-get update
sudo apt-get install salt-api

There are three backends that are shipped with salt-api. Theoretically, any standard backend will work, but rest_cherrypy is used in this example. Further documentation e.g. using SSL, etc. can be found here.

# /etc/salt/master.d/api.conf
rest_cherrypy:
  port: 8000
  disable_ssl: true

A restart of the salt-master is required to active these configurations.

Next, authentication needs to be configured. The simplest authentication scheme for the salt-api is standard pam. Other schemes will be supported e.g. LDAP, etc. - but pam is used in this example.

Create the user where the salt-api is located:

# Create a system user named katalye
useradd --system katalye
# Set the user's katalye password to SilverLight
echo 'katalye:SilverLight' | chpasswd

Then authorize the created user to perform actions on the salt-api. More information about eauth can be found here.

# /etc/salt/master.d/api-auth.conf
external_auth:
  pam:
    katalye:
      - 'grains.items'

A restart of the salt-master is required to active these configurations.

Currently, the following permissions are required, more will be added as new features are created:

  • grains.items Used to retrieve grains from minions.

Returner

The katalye returner is a required component. The katalye returner is used to retrieve events directly from the SaltStack event bus.

The easiest way to install the katalye returner is to drop katalye.py into the _returners directory within the file_roots specified by the master config file. More documentation can be found here.

Executing salt '*' saltutil.sync_returners may be required to update the sync the returner with the SaltStack cluster.

This returner may be updated from time-to-time. Care should be made to ensure it stays compatible with the Katalye API.

To activate and configure the katalye returner master configurations are required:

# /etc/salt/master.d/katalye.conf
event_return: katalye # Enables katalye, reqired.
katalye.server: katalye.example.com:5000 # String, the resolvable Katalye server, required.
katalye.secure: False # Boolean, defaults to False.

state_events: True # Enables progress events for jobs, optional, not currently used.
presence_events: False # Enables minion presence detection, optional, not currently used.

A restart of the salt-master is required to active these configurations.

Katalye

Katalye is made of two components - the katalye-api and the katalye-ui. The katalye-api requires a PostgreSQL database to store historical job information, to provide caching of minion state, and to share state between katalye-api workers (in a load balanced scenario). The katalye-ui provides the UI around the katalye-api.

Currently, the only support method of deploying Katalye is with Docker. An example docker-compose.yaml can be used.

The following environment variables are supported:

  • KATALYE__SALT__API: Required. The URI of the salt API, must be resolvable. Supports both http and https.
  • KATALYE__SALT__USER: Required: The Katalye username.
  • KATALYE__SALT__PASSWORD: Required: The Katalye password.
  • CONNECTIONSTRINGS__KATALYECONTEXT: Required: The connection formation for the PostgreSQL database. Supported format.

Note the double underscores in some varribles.

If using docker-compose deployment is as simple as:

docker-compose up -d

Usage

Once the docker containers are running, Katalye will execute automatic migrations against the database. At this point, the web UI should be functional. The example docker-compose.yaml exposes this UI on port 5000 which is accessible via your browser http://<docker host>:5000.

Current, Katalye lazily discovers minions - meaning, if no event traffic for a minion has been seen by Katalye, no minions will be visible. You can wait for normal events to occur within the SaltStack cluster or you can manually dispatch a job to all minions. For example:

salt \* test.ping

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