If you have a complex JSON data structure or perhaps an array of rich data structures as the result of module output, you may want to extract this into a workable list or dictionary you can take action on. For this article, I will emulate the resulting output from the ‘stat‘ module when it checks … Ansible: extracting a list or dictionary from a complex data structure
Just as in other programming languages, associative arrays in Bash are useful for search, set management, and keying into a list of values. The label may be different, but whether called “map”, “dictionary”, or “associative array”, the same concepts apply. In its simplest form, here is an initialization and then loop through the key/value pairs. … Bash: Associative array initialization and usage
For most Cloud Foundry applications and services, you can avoid downtime for maintenance with a combination of following best practices for 12 factor app development and taking advantage of Cloud Foundry’s scaling and flexible routing to implement Blue-Green deployment. But there will still be times where an application, service, or shared backend component does not … CloudFoundry: Beyond the maintenance page, delivering a response during service unavailability