SaltStack

Containerisation of services has numerous advantages in terms of repeatability, security, etc. This is all well and good for an application server and related infrastructure, but how to do this in a light weight fashion, for instance, serving static websites? The ultimate goal is to be able to leverage the benefits of modern devops with low overhead. This blog is hosted on a VPS with 1GB RAM for instance. To do this we utilises: ...

Quick one. When you pass a variable like this to a template through the context/default parameter it is iterpreted as a literal string: server_xml: file: - managed - name: /opt/tomcat/conf/server.xml - template: jinja - source: salt://tomcat/files/server.xml.tmpl - context: deploy_conf: deploy_conf Which means that you end up with errors like this: Unable to manage file: Jinja variable 'unicode object' has no attribute 'control_port To pass the object itself in you need to put it in the braces: ...