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Automating network operations: device access over SSH and RESTCONF, parsing CLI output, and pulling data out of vendor and cloud APIs.
Taking the pipeline from flat NTP lines to an interface block on Arista, Nexus and Cumulus: learn what each switch actually stores, flatten the block so the diff still works, and deploy it through the same review and gates.
Deploying reviewed network changes from a separate repository whose runner is the only CI runner that can read the device credentials, with a removal guard, a convergence gate, and a scheduled job that tells drift apart from a change that simply hasn't been deployed yet. Including the bugs a review found in the first version.
Putting the Ansible model from part 1 under Gitea Actions, twice: once for one person, then again for a team. What a clean checkout found, where the secrets were leaking, and how to compute a full change plan without ever handing CI a device password.
Three vendors, one config domain, no rewrite. Collect, model, diff offline, remediate, and re-collect: what failed and where it showed up.
A Go library for driving network devices over SSH. The API, a working read and write example, and the error-handling behavior that will bite you if you assume Netmiko semantics.