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`openssl req -x509` without explicit `-addext` produced a CA cert without an X.509v3 keyUsage extension. Python 3.13's stricter ssl module refuses to load the system trust bundle if any anchor lacks keyUsage, so every outbound HTTPS — including hits against the cache frontend that proxies codeload.github.com — fails with `CA cert does not include key usage extension`. mediawiki's OpenIDConnect extension download failed on this in CI. Add `keyUsage=critical,keyCertSign,cRLSign`, `basicConstraints=critical,CA:TRUE`, and `subjectKeyIdentifier=hash` to the CA self-sign so every freshly generated CA is acceptable. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Package-Cache Frontend (TLS-terminating reverse proxy) 🔐
TLS-terminating reverse proxy in front of the Sonatype Nexus 3 OSS package-cache service. Owns the real upstream package-manager hostnames via DNS-hijack so clients reach the cache transparently.
For services, activation, coverage, and operations of the local cache stack, see cache.md.
Files 📄
- upstreams.conf: nginx server-blocks. HTTPS (port 443) per hostname for runner-side traffic, HTTP (port 80) for inner-
dockerdDockerfile builds. Bind-mounted at/etc/nginx/conf.d/upstreams.conf.