vault-ops/archiv/vault-agent-post-leaf.sh.bk
2025-10-06 07:25:33 +02:00

83 lines
2.7 KiB
Bash

#!/usr/bin/env bash
set -Eeuo pipefail
# ===== Logs =====
if [[ -t 1 ]]; then B=$'\e[1m'; R=$'\e[0m'; G=$'\e[32m'; Y=$'\e[33m'; E=$'\e[31m'; else B= R= G= Y= E=; fi
info(){ echo -e "🟦 ${G}${B}[INFO]${R} $*"; }
ok(){ echo -e "🟩 ${G}${B}[ OK ]${R} $*"; }
warn(){ echo -e "🟨 ${Y}${B}[WARN]${R} $*"; }
die(){ echo -e "🟥 ${E}${B}[FAIL]${R} $*" >&2; exit 1; }
# ===== Context =====
SCRIPT_DIR="$(cd -- "$(dirname -- "$0")" && pwd)"
AGENT_DIR="$(dirname -- "$SCRIPT_DIR")" # …/.vault-agent-<app>
APP_NAME="${APP_NAME:-${AGENT_DIR##*.vault-agent-}}"
JSON_ISSUE="${JSON_ISSUE:-${AGENT_DIR}/.issue.json}" # vom template erzeugt
OUTDIR="${OUTDIR:-$HOME/tls}"
RELOAD_TLS_LABEL="${RELOAD_TLS_LABEL:-}" # optional: Container-Reload per Label
command -v jq >/dev/null || die "jq not found"
command -v openssl >/dev/null || warn "openssl not found → no x509 summary"
[[ -r "$JSON_ISSUE" ]] || die "render JSON missing: $JSON_ISSUE"
umask 077
mkdir -p "$OUTDIR"
# ===== Extract & Write =====
TMP="$(mktemp -d "$OUTDIR/.staging.XXXX")"; trap 'rm -rf "$TMP"' EXIT
# private key
jq -r '.private_key // empty' "$JSON_ISSUE" > "$TMP/${APP_NAME}.key"
[[ -s "$TMP/${APP_NAME}.key" ]] || die "no private_key in $JSON_ISSUE"
# fullchain = certificate + (ca_chain | issuing_ca)
jq -r '
.certificate,
(if (.ca_chain|type=="array") then (.ca_chain|join("\n"))
else if (.ca_chain|type=="string") then .ca_chain
else .issuing_ca end end)
' "$JSON_ISSUE" > "$TMP/${APP_NAME}.fullchain.pem"
[[ -s "$TMP/${APP_NAME}.fullchain.pem" ]] || die "empty fullchain build"
install -m 600 "$TMP/${APP_NAME}.key" "$OUTDIR/${APP_NAME}.key"
install -m 644 "$TMP/${APP_NAME}.fullchain.pem" "$OUTDIR/${APP_NAME}.fullchain.pem"
ok "leaf written → $OUTDIR/${APP_NAME}.{key,fullchain.pem}"
# optional: brief x509
if command -v openssl >/dev/null; then
subj=$(awk 'BEGIN{p=0} /-----BEGIN CERTIFICATE-----/{p=1} p{print} /-----END CERTIFICATE-----/{exit}' "$OUTDIR/${APP_NAME}.fullchain.pem" | openssl x509 -noout -subject 2>/dev/null || true)
[[ -n "$subj" ]] && info "subject: ${subj#subject=}"
fi
# ===== Optional container reload (label) =====
if [[ -n "$RELOAD_TLS_LABEL" ]]; then
if command -v podman >/dev/null 2>&1; then
info "reload label: $RELOAD_TLS_LABEL"
mapfile -t CIDS < <(podman ps --filter "label=${RELOAD_TLS_LABEL}" --format '{{.ID}}' | sed '/^$/d') || true
if (( ${#CIDS[@]} == 0 )); then
warn "no containers with label $RELOAD_TLS_LABEL → skip reload"
else
for cid in "${CIDS[@]}"; do
if podman exec "$cid" sh -lc 'nginx -t >/dev/null 2>&1 && nginx -s reload' >/dev/null 2>&1; then
ok "reload OK in ${cid}"
else
warn "reload FAILED in ${cid}"
fi
done
fi
else
warn "podman not found → skip reload"
fi
fi