refactor: reorganize GitOps control plane
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+113
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#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
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VAULT_ADDR="${VAULT_ADDR:-http://127.0.0.1:8200}"
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VAULT_INIT_OUTPUT="${VAULT_INIT_OUTPUT:-${REPO_ROOT}/.local/vault/dev-k3s-init.json}"
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for cmd in jq vault; do
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if ! command -v "$cmd" >/dev/null 2>&1; then
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echo "$cmd is required" >&2
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exit 1
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fi
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done
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export VAULT_ADDR
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status_json() {
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local output=""
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local status_code=0
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set +e
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output="$(vault status -format=json 2>/dev/null)"
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status_code=$?
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set -e
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if [[ "$status_code" -ne 0 && "$status_code" -ne 2 ]]; then
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echo "Vault is not reachable at ${VAULT_ADDR}." >&2
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return "$status_code"
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fi
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printf '%s\n' "$output"
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}
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unseal() {
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local status=""
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local unseal_key=""
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status="$(status_json)"
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if [[ "$(jq -r '.sealed' <<<"$status")" == "false" ]]; then
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echo "Vault is already unsealed."
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return
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fi
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if [[ ! -f "$VAULT_INIT_OUTPUT" ]]; then
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echo "Init material is unavailable: ${VAULT_INIT_OUTPUT}" >&2
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exit 1
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fi
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unseal_key="$(jq -er '.unseal_keys_b64[0]' "$VAULT_INIT_OUTPUT")"
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vault operator unseal "$unseal_key" >/dev/null
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echo "Vault is unsealed."
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}
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init() {
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local status=""
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status="$(status_json)"
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if [[ "$(jq -r '.initialized' <<<"$status")" == "true" ]]; then
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echo "Refusing initialization: Vault is already initialized." >&2
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exit 1
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fi
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if [[ -e "$VAULT_INIT_OUTPUT" ]]; then
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echo "Refusing to overwrite existing init material: ${VAULT_INIT_OUTPUT}" >&2
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exit 1
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fi
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umask 077
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mkdir -p "$(dirname "$VAULT_INIT_OUTPUT")"
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vault operator init \
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-key-shares=1 \
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-key-threshold=1 \
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-format=json >"$VAULT_INIT_OUTPUT"
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chmod 0600 "$VAULT_INIT_OUTPUT"
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unseal
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echo "Dev Vault was initialized with a dev-only 1-of-1 Shamir key."
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echo "Move ${VAULT_INIT_OUTPUT} to encrypted custody before continuing."
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}
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revoke_root() {
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local root_token=""
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local temporary=""
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if [[ ! -f "$VAULT_INIT_OUTPUT" ]]; then
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echo "Init material is unavailable: ${VAULT_INIT_OUTPUT}" >&2
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exit 1
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fi
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root_token="$(jq -er '.root_token' "$VAULT_INIT_OUTPUT")"
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VAULT_TOKEN="$root_token" vault token revoke -self
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temporary="$(mktemp "${VAULT_INIT_OUTPUT}.XXXXXX")"
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jq 'del(.root_token)' "$VAULT_INIT_OUTPUT" >"$temporary"
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chmod 0600 "$temporary"
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mv "$temporary" "$VAULT_INIT_OUTPUT"
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echo "The initial root token was revoked and removed from the local init file."
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}
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case "${1:-}" in
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init)
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init
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;;
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unseal)
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unseal
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;;
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revoke-root)
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revoke_root
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;;
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*)
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echo "Usage: $0 <init|unseal|revoke-root>" >&2
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exit 1
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;;
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esac
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