Ship mcns.service, mcns-backup.service, mcns-backup.timer, and deploy/scripts/install.sh adapted from MCR's deployment files. Includes full security hardening block per engineering standards and AmbientCapabilities=CAP_NET_BIND_SERVICE for DNS port 53. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
48 lines
1.6 KiB
Bash
Executable File
48 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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SERVICE="mcns"
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BINARY="/usr/local/bin/mcns"
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DATA_DIR="/srv/${SERVICE}"
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UNIT_DIR="/etc/systemd/system"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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REPO_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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# Create system user and group (idempotent).
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if ! id -u "${SERVICE}" >/dev/null 2>&1; then
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useradd --system --no-create-home --shell /usr/sbin/nologin "${SERVICE}"
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echo "Created system user ${SERVICE}."
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fi
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# Install binary.
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install -m 0755 "${REPO_DIR}/mcns" "${BINARY}"
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echo "Installed binary."
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# Create data directory structure.
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install -d -o "${SERVICE}" -g "${SERVICE}" -m 0700 "${DATA_DIR}"
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install -d -o "${SERVICE}" -g "${SERVICE}" -m 0700 "${DATA_DIR}/backups"
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install -d -o "${SERVICE}" -g "${SERVICE}" -m 0700 "${DATA_DIR}/certs"
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echo "Created ${DATA_DIR}/."
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# Install example config if none exists.
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if [ ! -f "${DATA_DIR}/${SERVICE}.toml" ]; then
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install -o "${SERVICE}" -g "${SERVICE}" -m 0600 \
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"${REPO_DIR}/deploy/examples/mcns.toml" \
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"${DATA_DIR}/${SERVICE}.toml"
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echo "Installed example config to ${DATA_DIR}/${SERVICE}.toml — edit before starting."
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fi
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# Install systemd units.
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install -m 0644 "${REPO_DIR}/deploy/systemd/${SERVICE}.service" "${UNIT_DIR}/"
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install -m 0644 "${REPO_DIR}/deploy/systemd/${SERVICE}-backup.service" "${UNIT_DIR}/"
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install -m 0644 "${REPO_DIR}/deploy/systemd/${SERVICE}-backup.timer" "${UNIT_DIR}/"
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systemctl daemon-reload
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echo "Installed systemd units."
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echo ""
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echo "Done. Next steps:"
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echo " 1. Edit ${DATA_DIR}/${SERVICE}.toml"
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echo " 2. Place TLS certs in ${DATA_DIR}/certs/"
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echo " 3. systemctl enable --now ${SERVICE}"
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echo " 4. systemctl enable --now ${SERVICE}-backup.timer"
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