shadowdaoandClaude Opus 5
a3aa9f2b26
My previous commit used sed with | as both delimiter and literal, which corrupted the comment line rather than changing -m to -i. The assertion command itself was never touched and is correct. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
123 lines
6.5 KiB
Docker
123 lines
6.5 KiB
Docker
## cac-lsphp — per-site DETACHED lsphp (LSAPI) backend for the shared-ols tier.
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##
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## The LiteSpeed analogue of cac-fpm: a slim, single-tenant PHP backend that
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## runs `lsphp -b 0.0.0.0:9000` (detached LSAPI mode) and NOTHING ELSE — no
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## webserver. The shared OpenLiteSpeed container (shared-ols) sits in front and
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## reaches this over the docker network via an extProcessor of type lsapi,
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## address <this-container>:9000 — structurally identical to how shared-httpd
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## reaches a cac-fpm container's php-fpm on :9000.
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##
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## Built on the SAME LiteSpeed prebuilt base as cac-litespeed so the lsphp
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## binary + extension set are byte-for-byte the runtime customers already get
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## on the litespeed tier (memcached, redis, imagick, mbstring, mysqlnd, intl,
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## gd, soap, bcmath, gmp, sodium, opcache, ... + lsphpNN-ldap added below).
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## We do NOT strip the bundled OpenLiteSpeed binaries: the "no webserver"
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## guarantee comes from the ENTRYPOINT (it only ever execs lsphp), and deleting
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## OLS files from the upstream image risks breaking lsphp's shared libs for no
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## real benefit. Only :9000 is EXPOSEd, and OLS is never started.
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##
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## See the design spec + PoC: whp docs/superpowers/plans/2026-06-09-ols-lsphp-tier.md
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## and the LSAPI path-parity finding (feedback_ols_lsapi_no_script_filename_remap).
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ARG OLS_VERSION=1.8.4
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ARG PHPVER=83
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## ---- stage 1: build the cac_path_parity extension --------------------------
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## $_SERVER['DOCUMENT_ROOT']/['SCRIPT_FILENAME'] parity with cac-fpm, enforced
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## from RINIT so a customer's .user.ini cannot displace it — see
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## ext/cac-path-parity/cac_path_parity.c for why this is an extension and not an
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## auto_prepend_file. Built against THIS image's own lsphp so the API/ABI
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## (`PHP API` / extension_dir) always match; a PHP version bump in the base
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## image therefore recompiles rather than silently loading a stale .so.
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##
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## Separate stage on purpose: the compiler + headers (~400MB) stay out of the
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## shipped image, which gains only the ~40KB .so. Costs ~1-2 min of CI per PHP
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## version; both stages share the same base layer, so no extra pull.
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FROM litespeedtech/openlitespeed:${OLS_VERSION}-lsphp${PHPVER} AS ext-build
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ARG PHPVER=83
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COPY ./ext/cac-path-parity /usr/src/cac-path-parity
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RUN apt-get update && \
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DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
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build-essential autoconf pkg-config \
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lsphp${PHPVER}-dev && \
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cd /usr/src/cac-path-parity && \
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/usr/local/lsws/lsphp${PHPVER}/bin/phpize && \
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./configure --enable-cac-path-parity \
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--with-php-config=/usr/local/lsws/lsphp${PHPVER}/bin/php-config && \
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make -j"$(nproc)" && \
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mkdir -p /build-out && \
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cp modules/cac_path_parity.so /build-out/
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## ---- stage 2: the shipped sidecar image ------------------------------------
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FROM litespeedtech/openlitespeed:${OLS_VERSION}-lsphp${PHPVER}
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ARG PHPVER=83
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ENV PHPVER=${PHPVER}
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## Match the cac-litespeed extension surface exactly: the only ext the prebuilt
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## base lacks is lsphpNN-ldap. setpriv (util-linux) is already on the Ubuntu
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## base; we add nothing else the sidecar doesn't need. All apt cache cleaned in
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## the same layer to keep the image small.
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RUN apt-get update && \
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DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
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ca-certificates \
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lsphp${PHPVER}-ldap && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*
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## Scripts + the SHARED production lsphp ini (reused verbatim from the litespeed
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## image — same runtime, same tuning). Scripts layer last (they change most).
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COPY ./scripts/entrypoint-lsphp.sh \
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./scripts/detect-memory-lsphp.sh \
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./scripts/healthcheck-lsphp.sh \
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./scripts/cac-lsphp-normalize.php \
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/scripts/
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RUN chmod +x /scripts/entrypoint-lsphp.sh /scripts/detect-memory-lsphp.sh /scripts/healthcheck-lsphp.sh
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## Apply production lsphp ini overrides into lsphp's scan dir (path varies by
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## PHP minor version; ask lsphp directly — same idiom as Dockerfile.litespeed).
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COPY ./configs/litespeed/lsphp-overrides.ini /etc/lsws-templates/lsphp-overrides.ini
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RUN bash -c 'set -e; \
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SCAN_DIR=$(/usr/local/lsws/lsphp${PHPVER}/bin/lsphp -i 2>/dev/null | awk -F"=> " "/^Scan this dir/ {print \$2; exit}"); \
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mkdir -p "$SCAN_DIR"; \
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cp /etc/lsws-templates/lsphp-overrides.ini "$SCAN_DIR/99-prod-overrides.ini"; \
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echo "wrote overrides to $SCAN_DIR"'
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## Install the cac_path_parity extension into lsphp's own extension_dir and load
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## it unconditionally. It is INERT until the entrypoint writes the per-site
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## cac_path_parity.from/.to mapping, so it is safe in any context (including
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## wp-cli runs, where $_SERVER carries no filesystem paths).
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##
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## The trailing `lsphp -i | grep` is a BUILD-TIME ASSERTION: if the .so fails to
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## load (ABI drift after a base-image PHP bump, bad build) the image build fails
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## here rather than shipping a sidecar that silently lost path parity.
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## NOTE: probe lsphp with `-i` ONLY. The lsphp binary is the LSAPI SAPI, not the
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## CLI — it accepts just -[b|c|n|h|i|q|s|v|?] and answers anything else (`-m`,
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## `-r`) by printing its usage text and exiting 0. A `lsphp -m | grep` check
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## therefore never matches AND never fails, which is exactly the kind of silent
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## always-false assertion this whole change exists to eliminate.
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COPY --from=ext-build /build-out/cac_path_parity.so /tmp/cac_path_parity.so
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RUN bash -c 'set -e; \
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LSPHP="/usr/local/lsws/lsphp${PHPVER}/bin/lsphp"; \
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EXT_DIR=$("$LSPHP" -i 2>/dev/null | awk -F" => " "/^extension_dir/ {print \$2; exit}"); \
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SCAN_DIR=$("$LSPHP" -i 2>/dev/null | awk -F"=> " "/^Scan this dir/ {print \$2; exit}"); \
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mkdir -p "$EXT_DIR" "$SCAN_DIR"; \
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mv /tmp/cac_path_parity.so "$EXT_DIR/"; \
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printf "; installed by Dockerfile.lsphp\nextension=cac_path_parity.so\n" \
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> "$SCAN_DIR/00-cac-path-parity.ini"; \
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"$LSPHP" -i 2>/dev/null | grep -q "^cac_path_parity support => enabled$"; \
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echo "cac_path_parity installed into $EXT_DIR and verified loadable"'
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## php-lsapi gates .user.ini parsing behind this env var (see entrypoint-lsphp.sh
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## for the full explanation). Set here so the value is visible in `docker inspect`
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## and survives an entrypoint override; the entrypoint re-exports it with the same
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## default so the runuser exec path can't drop it.
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ENV LSPHP_ENABLE_USER_INI=on
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EXPOSE 9000
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## TCP-connect + lsphp-alive check (LSAPI isn't FastCGI, so no cgi-fcgi ping).
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HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
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CMD /scripts/healthcheck-lsphp.sh
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ENTRYPOINT ["/scripts/entrypoint-lsphp.sh"]
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