28 lines
846 B
Bash
28 lines
846 B
Bash
#!/bin/sh
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set -eu
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CONF=/etc/nginx/conf.d/default.conf
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# A 站已有公网域名时走公网更稳；也可设为集群内 http://service.ns.svc:port
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A_UPSTREAM="${A_UPSTREAM:-https://project57.website-build.org}"
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A_UPSTREAM="${A_UPSTREAM%/}"
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# 从 URL 提取 Host，供反代 Host / SNI（Cloudflare/Ingress 依赖正确 Host）
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A_HOST="$(printf '%s' "${A_UPSTREAM}" | sed -E 's|^[a-zA-Z][a-zA-Z0-9+.-]*://||; s|[:/].*$||')"
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if [ -z "${A_HOST}" ]; then
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A_HOST=project57.website-build.org
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fi
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NS="$(awk '/^nameserver/{print $2; exit}' /etc/resolv.conf || true)"
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if [ -z "${NS}" ]; then
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NS=kube-dns.kube-system.svc.cluster.local
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fi
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sed -i \
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-e "s|__RESOLVER__|${NS}|g" \
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-e "s|__A_UPSTREAM__|${A_UPSTREAM}|g" \
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-e "s|__A_HOST__|${A_HOST}|g" \
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"${CONF}"
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echo "nginx upstream: ${A_UPSTREAM} (Host ${A_HOST}, resolver ${NS})"
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nginx -t
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