It is easy to export the full manifest of an object from a Kubernetes cluster, but it will have extraneous accounting fields that not only make it hard to visually assess and compare to its original form, but can also cause a re-apply to fail. Using a combination of the jq and yq utilities, we … Kubernetes: export a clean yaml manifest that can be re-imported
The ‘export’ flag in kubectl was deprecated in 1.18, but you still need a way to dump the yaml of Kubernetes objects, often for the purpose of reapplying changes. The problem with doing a simple ‘get’ using a yaml output like below is that additional internal accounting attributes like ‘selfLink’, ‘creationTimestamp’, ‘uid’, will be present … Kubernetes: alternative to export for removing internal fields from yaml
If you accidentally pushed a secret or password into a git repository, the BFG Repo-Clean utility is a convenient option for removing all traces of the secret from the entire git commit history. It is also possible to use ‘git-filter-branch‘, but I find BFG more convenient and faster.
If you have to ssh to a remote system to produce a block of json, it may be preceded and suffixed with login and system messages. Or you may have a program that sends json as the main part of its output, but also sends debug type messages to stdout that need to be cleaned. … Linux: sed to cleanup json that has errant text surrounding it