sir_melonchenandClaude Opus 5.5
7c223161a1
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
51 lines
1.8 KiB
Bash
Executable File
51 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: Apache-2.0
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#
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# Renders the systemd unit templates deploy/systemd/*.service.in (ADR 0024).
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#
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# Usage: scripts/render-units.sh <bindir> <outdir>
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# writes <outdir>/<BIN_SERVER>.service, <BIN_AGENT_DNS>.service and
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# <BIN_AGENT_DHCP>.service with @BINDIR@ = <bindir>.
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#
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# Names come from the environment (set by the Makefile, ADR 0018): PRODUCT,
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# DISPLAY_NAME, BIN_SERVER, BIN_AGENT_DNS, BIN_AGENT_DHCP, ENV_PREFIX.
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set -euo pipefail
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if [[ $# -ne 2 ]]; then
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sed -n '4,11p' "$0" | sed 's/^# \{0,1\}//' >&2
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exit 2
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fi
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bindir="$1"
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outdir="$2"
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PRODUCT="${PRODUCT:-ddi-suite}"
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DISPLAY_NAME="${DISPLAY_NAME:-DDI-Suite}"
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BIN_SERVER="${BIN_SERVER:-ddi-server}"
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BIN_AGENT_DNS="${BIN_AGENT_DNS:-ddi-agent-dns}"
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BIN_AGENT_DHCP="${BIN_AGENT_DHCP:-ddi-agent-dhcp}"
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ENV_PREFIX="${ENV_PREFIX:-DDI_}"
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# Values end up in sed replacements: allow only safe characters.
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for v in "$bindir" "$PRODUCT" "$BIN_SERVER" "$BIN_AGENT_DNS" "$BIN_AGENT_DHCP" "$ENV_PREFIX"; do
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[[ "$v" =~ ^[A-Za-z0-9._/+-]+$ ]] || { echo "unsafe value: $v" >&2; exit 2; }
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done
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[[ "$DISPLAY_NAME" =~ ^[A-Za-z0-9\ ._+-]+$ ]] || { echo "unsafe display name: $DISPLAY_NAME" >&2; exit 2; }
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src="$(cd "$(dirname "$0")/../deploy/systemd" && pwd)"
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mkdir -p "$outdir"
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render() {
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sed -e "s|@PRODUCT@|$PRODUCT|g" -e "s|@DISPLAY_NAME@|$DISPLAY_NAME|g" \
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-e "s|@BIN_SERVER@|$BIN_SERVER|g" -e "s|@BIN_AGENT_DNS@|$BIN_AGENT_DNS|g" \
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-e "s|@BIN_AGENT_DHCP@|$BIN_AGENT_DHCP|g" -e "s|@BINDIR@|$bindir|g" \
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-e "s|@CONFIG_DIR@|/etc/$PRODUCT|g" -e "s|@ENV_PREFIX@|$ENV_PREFIX|g" \
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"$src/$1" >"$outdir/$2"
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if grep -q '@[A-Z_]*@' "$outdir/$2"; then
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echo "unreplaced placeholder in $2" >&2
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exit 1
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fi
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}
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render server.service.in "$BIN_SERVER.service"
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render agent-dns.service.in "$BIN_AGENT_DNS.service"
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render agent-dhcp.service.in "$BIN_AGENT_DHCP.service"
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