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Extend the local cache stack with three independent capabilities: 1. Inner-`dockerd` build coverage for HTTP-only package mirrors. `roles/sys-svc-compose/files/compose.py` (the runner's `compose` wrapper) auto-generates a transient `compose.cache.override.yml` per app when `INFINITO_PACKAGE_CACHE_FRONTEND_IP` is exported. The override pins `build.extra_hosts` for `deb.debian.org`, `archive.ubuntu.com`, and `security.ubuntu.com` to the frontend. `pull.py` now delegates to the wrapper so build/pull operations see the same `-f` set the wrapper auto-detects. nginx in the frontend gains a port-80 listener with path rewrites for those hostnames, and `package.sh` registers two new Nexus proxies (`apt-debian-security`, `apt-ubuntu-security`) for the security suites whose upstream URL prefix differs from the main archive. Alpine is intentionally excluded from the inner-build extra_hosts: 3.18+ defaults to HTTPS, and inner-`dockerd` build containers do not import the frontend CA. Routing apk through the frontend would trip TLS verification. 2. General cache freshness env-var. `scripts/meta/env/cache/package.sh` exports `INFINITO_PACKAGE_CACHE_MAX_AGE_MIN` (default `129600`, i.e. 90 days). The bootstrap helper consumes it for every Nexus proxy's `contentMaxAge`, `metadataMaxAge`, and `negativeCache.timeToLive`, replacing the previous 1440-minute literal. Lower the value when chasing fast-moving upstreams. 3. SPOT cache documentation at `docs/contributing/environment/cache.md`. `compose.yml.md`, `variables.md`, the per-service READMEs, and `requirements/012-...` now link to it instead of restating the stack's behaviour. Net documentation lines drop substantially while the cache page becomes the single user-facing reference. Also: code-comment cleanup per `docs/contributing/documentation.md` guidelines across all touched .py / .sh / .yml files. Multi-paragraph docstrings, banner separators, and restate-the-obvious comments are removed; one-line WHY comments remain where the rationale is not already visible in the code. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
68 lines
2.7 KiB
Bash
Executable File
68 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck shell=bash
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# Package-cache env defaults. See docs/contributing/environment/cache.md.
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set -euo pipefail
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: "${INFINITO_PACKAGE_CACHE_HOST_PATH:=/var/cache/infinito/core/cache/package/data}"
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export INFINITO_PACKAGE_CACHE_HOST_PATH
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# JVM heap: half free RAM, capped at 2g, floor 1g (Nexus 3 OSS minimum).
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if [[ -z "${INFINITO_PACKAGE_CACHE_HEAP:-}" ]]; then
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_pc_avail_ram_mb="$(awk '/^MemAvailable:/ {print int($2/1024)}' /proc/meminfo 2>/dev/null || echo 0)"
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if [[ "${_pc_avail_ram_mb}" -le 0 ]]; then
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_pc_heap_gb=1
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else
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_pc_heap_gb=$((_pc_avail_ram_mb / 2048))
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if [[ "${_pc_heap_gb}" -lt 1 ]]; then _pc_heap_gb=1; fi
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if [[ "${_pc_heap_gb}" -gt 2 ]]; then _pc_heap_gb=2; fi
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fi
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INFINITO_PACKAGE_CACHE_HEAP="${_pc_heap_gb}g"
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unset _pc_avail_ram_mb _pc_heap_gb
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fi
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export INFINITO_PACKAGE_CACHE_HEAP
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if [[ -z "${INFINITO_PACKAGE_CACHE_DIRECT_MEM:-}" ]]; then
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INFINITO_PACKAGE_CACHE_DIRECT_MEM="${INFINITO_PACKAGE_CACHE_HEAP}"
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fi
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export INFINITO_PACKAGE_CACHE_DIRECT_MEM
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# Blobstore quota: half free disk at cache path, floor 2g.
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if [[ -z "${INFINITO_PACKAGE_CACHE_BLOBSTORE_MAX:-}" ]]; then
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_pc_path="${INFINITO_PACKAGE_CACHE_HOST_PATH}"
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while [[ ! -d "${_pc_path}" && "${_pc_path}" != "/" && "${_pc_path}" != "." ]]; do
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_pc_path="$(dirname "${_pc_path}")"
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done
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_pc_avail_gb="$(df --output=avail -B1G "${_pc_path}" 2>/dev/null | awk 'NR==2 {print $1+0}')"
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if [[ -z "${_pc_avail_gb}" || "${_pc_avail_gb}" -le 0 ]]; then _pc_avail_gb=4; fi
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_pc_half_gb=$((_pc_avail_gb / 2))
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if [[ "${_pc_half_gb}" -lt 2 ]]; then _pc_half_gb=2; fi
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INFINITO_PACKAGE_CACHE_BLOBSTORE_MAX="${_pc_half_gb}g"
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unset _pc_path _pc_avail_gb _pc_half_gb
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fi
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export INFINITO_PACKAGE_CACHE_BLOBSTORE_MAX
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# Use `hostname` command, not $HOSTNAME var, so subshells see the same value.
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if [[ -z "${INFINITO_PACKAGE_CACHE_ADMIN_PASSWORD:-}" ]]; then
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_pc_host="$(hostname 2>/dev/null || echo local)"
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_pc_seed="${INFINITO_PACKAGE_CACHE_HOST_PATH}:${_pc_host}"
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INFINITO_PACKAGE_CACHE_ADMIN_PASSWORD="$(printf '%s' "${_pc_seed}" | sha256sum | awk '{print substr($1,1,32)}')"
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unset _pc_seed _pc_host
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fi
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export INFINITO_PACKAGE_CACHE_ADMIN_PASSWORD
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: "${INFINITO_PACKAGE_CACHE_PORT:=8081}"
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export INFINITO_PACKAGE_CACHE_PORT
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: "${INFINITO_PACKAGE_CACHE_FRONTEND_CA_DIR:=/var/cache/infinito/core/cache/package/frontend/ca}"
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: "${INFINITO_PACKAGE_CACHE_FRONTEND_CERTS_DIR:=/var/cache/infinito/core/cache/package/frontend/certs}"
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export INFINITO_PACKAGE_CACHE_FRONTEND_CA_DIR
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export INFINITO_PACKAGE_CACHE_FRONTEND_CERTS_DIR
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: "${INFINITO_PACKAGE_CACHE_FRONTEND_IP:=172.30.0.4}"
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export INFINITO_PACKAGE_CACHE_FRONTEND_IP
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# Cache freshness in minutes; 129600 = 90 days.
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: "${INFINITO_PACKAGE_CACHE_MAX_AGE_MIN:=129600}"
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export INFINITO_PACKAGE_CACHE_MAX_AGE_MIN
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