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mrcharles 2440188f1f feat(tooling): containerize dns-cli in tooling-cli/dns

Consolidate the Technitium DNS CLI into tooling-cli/dns/ with a
containerized bash CLI (src/dns_cli.sh), Dockerfile (alpine +
curl/python3/bind-tools/bash), README, AGENTS.md, validate.sh, and
.env.example. Env vars aligned to the centralized ~/.creds/technitium.env
store (TECHNITIUM_URL, TECHNITIUM_DNS_TOKEN, TECHNITIUM_DNS_ZONE).

Image built and pushed to the registry as
git.knownelement.com/reachableceo/dns-cli:latest. Verified live:
zones, list, and search all return data.

💘 Generated with Crush

Assisted-by: Crush:glm-5.2

2026-08-10 10:21:37 -05:00

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AGENTS.md — DNS CLI tooling

This directory holds the dns-cli Docker container — a bash CLI over the Technitium DNS Server REST API. Every Crush session that works on or with this tool should read this file first.

Connection & invocation

Invoke the real container with docker run. Credentials come from the centralized credential store (see tooling-cli/KNELCredsManager):

docker run --rm --env-file ~/.creds/technitium.env \
    git.knownelement.com/reachableceo/dns-cli:latest <command>

There is intentionally no bin/ wrapper — invoke the real container, as the project-wide rules require. For readability in an interactive session you may define a throwaway shell alias (do not commit one):

alias dns='docker run --rm --env-file ~/.creds/technitium.env \
    git.knownelement.com/reachableceo/dns-cli:latest'

The examples below write dns <cmd> for brevity; expand it to the full docker run line (or set the alias) before running.

Item	Value
Instance	`http://pfv-netinfra-01.knel.net:5380`
Default zone	`knel.net`
Credentials	`~/.creds/technitium.env` (`TECHNITIUM_URL`, `TECHNITIUM_DNS_TOKEN`, `TECHNITIUM_DNS_ZONE`)
CLI image	`git.knownelement.com/reachableceo/dns-cli:latest`
Source	`src/dns_cli.sh` in this directory

Quick start

# List all zones:
dns zones

# List records in the default zone:
dns list

# Search for a record:
dns search ns1

# Resolve a name:
dns get pfv-netinfra-01

Command reference

Command	Description
`zones`	List all zones.
`list [zone]`	List records in a zone (default: `TECHNITIUM_DNS_ZONE`).
`get <name>`	Resolve a record via `dig` (A/AAAA).
`add <name> <ip> [ttl]`	Add an A record with auto-PTR (default TTL 3600).
`delete <name> <ip>`	Delete an A record.
`flush`	Flush the DNS cache.
`search <pattern>`	Search records by name pattern (case-insensitive).

Patterns

Pattern: add a new DNS record

dns search <hostname> — check if the name already exists.
dns add <hostname> <ip> — creates the A record with auto-PTR.
dns get <hostname> — verify resolution.
dns flush — flush cache so the new record is immediately resolvable.

Pattern: before you act

Always dns search <pattern> or dns list before adding/deleting — confirm current state so you don't create duplicates or delete the wrong record.
Never delete a record unless the user explicitly asks.
PTR records are auto-created on add and auto-deleted on delete.

Git workflow

Atomic commits

Each commit is one logical change. Stage precisely (git add <file>, not git add -A).

Conventional commit messages

<type>(<optional scope>): <imperative subject>

<optional body — why, not what>

Types: feat, fix, docs, refactor, chore, style.

Subject line under 72 chars, lowercase, imperative mood.
No period at end of subject.
Body wrapped at 72 chars, explains why the change exists.

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