65 lines
3.2 KiB
Bash
65 lines
3.2 KiB
Bash
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#!/usr/bin/env bash
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# scripts/onboard/lib/common.sh — shared helpers for the onboarding tool
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set -euo pipefail
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# ── colour codes (disabled when not a tty) ──────────────────────────────────
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if [[ -t 1 ]]; then
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_C_RESET='\033[0m'
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_C_GREEN='\033[0;32m'
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_C_YELLOW='\033[1;33m'
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_C_RED='\033[0;31m'
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_C_CYAN='\033[0;36m'
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_C_BOLD='\033[1m'
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else
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_C_RESET='' _C_GREEN='' _C_YELLOW='' _C_RED='' _C_CYAN='' _C_BOLD=''
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fi
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# ── logging ──────────────────────────────────────────────────────────────────
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log() { echo -e "${_C_GREEN}[onboard]${_C_RESET} $(date +'%H:%M:%S') ${*}"; }
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warn() { echo -e "${_C_YELLOW}[WARN]${_C_RESET} $(date +'%H:%M:%S') ${*}" >&2; }
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die() { echo -e "${_C_RED}[ERROR]${_C_RESET} $(date +'%H:%M:%S') ${*}" >&2; exit 1; }
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step() { echo -e "${_C_CYAN}${_C_BOLD}==> ${*}${_C_RESET}"; }
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dryrun() { echo -e "${_C_YELLOW}[dry-run]${_C_RESET} ${*}"; }
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# ── command detection ─────────────────────────────────────────────────────────
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have_cmd() { command -v "$1" >/dev/null 2>&1; }
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# ── file helpers ──────────────────────────────────────────────────────────────
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# ensure_line FILE LINE — appends LINE to FILE if it is not already present (idempotent)
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ensure_line() {
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local file="$1" line="$2"
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[[ -f "$file" ]] || touch "$file"
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grep -qxF "$line" "$file" || echo "$line" >> "$file"
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}
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# ── node.yaml parsing ─────────────────────────────────────────────────────────
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# require_node_yaml NODE — sets NODE_YAML; exits if not found
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require_node_yaml() {
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local node="$1"
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NODE_YAML="${REPO_ROOT}/hosts/${node,,}/node.yaml"
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[[ -f "$NODE_YAML" ]] || die "node.yaml not found: $NODE_YAML"
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export NODE_YAML
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}
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# yaml_get NODE_YAML KEY — read a scalar value from a YAML file
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# Uses yq when available; falls back to grep/sed for simple key: value pairs.
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# Supports dot-separated paths (e.g. tailscale.hostname) only in yq mode;
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# the grep fallback handles only the last path component.
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yaml_get() {
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local file="$1" key="$2"
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if have_cmd yq; then
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yq -r ".${key} // empty" "$file" 2>/dev/null
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else
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# fallback: extract last segment of key, match " key: value"
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local leaf="${key##*.}"
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grep -E "^\s*${leaf}:" "$file" | head -1 | sed 's/.*: *//' | tr -d '"' | tr -d "'"
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fi
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}
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# ── git wrapper ────────────────────────────────────────────────────────────────
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# All git calls from onboarding scripts must go through this so --no-pager is
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# always set and there is no interactive output.
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git() { command git --no-pager "$@"; }
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export -f git
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