fix(prometheus): drop sslcacert from grafana repo config - #6
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The fedora-bootc base image does not contain the classic Fedora symlink
/etc/pki/tls/certs/ca-bundle.crt, so grafana's repo config pinning
sslcacert to that path made dnf fail with curl error 77
("error adding trust anchors from file") when fetching repomd.xml,
blocking `dnf install loki grafana`.
The system-default CA trust store is populated by ca-certificates at
/etc/pki/ca-trust/extracted/pem/ and works fine (verified: curl HTTP 200
and a full dnf install of loki+grafana against rpm.grafana.com). Removing
the explicit sslcacert line lets dnf use that default.
Co-authored-by: openhands <openhands@all-hands.dev>
SNThrailkill
marked this pull request as ready for review
August 10, 2026 04:38
- reusable-build-image.yml: guard Add SBOM Attestation with the same release-only condition as Install Cosign / Sign container image. On pull_request runs cosign is never installed and the digest is empty, so the step failed with 'cosign: command not found' (exit 127). - build-artifact.yml: drop the pull_request trigger. The workflow requires build_type/flavor inputs that only exist on workflow_dispatch, so PR runs produced an empty flavor -> 'ghcr.io/.../:latest' and failed with invalid reference format. Co-authored-by: openhands <openhands@all-hands.dev>
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Summary
The
prometheusimage build has been failing for months atdnf install loki grafana -yin theContainerfile. This PR fixes the root cause.Root cause
The build failed with:
An earlier attempt (
dnf update -y && update-ca-trust) didn't help — the log showed "Nothing to do." and the same error persisted.The real cause: the grafana yum repo config explicitly pinned
sslcacert=/etc/pki/tls/certs/ca-bundle.crt, but that classic Fedora symlink does not exist in thequay.io/fedora/fedora-bootc:44base image. Verified empirically:/etc/pki/tls/certs/ca-bundle.crt→ does not exist/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem→ exists (223 KB, populated byca-certificates)curl --cacert /etc/pki/tls/certs/ca-bundle.crt→ fails (bad CA file)curlwith the system default (no--cacert) → HTTP 200dnf install loki grafanawithsslcacertremoved → installs cleanly (grafana 13.1.1 + loki 3.7.6)dnf update/update-ca-trustcouldn't help because nothing in the base image creates that symlink (the bundle is a static layer).Fix
Containerfile(prometheus stage): removed thesslcacert=line from the grafana repo config.sslverify=1is kept; omittingsslcacertlets dnf/curl use the system-default CA trust store, which works correctly. This matches Grafana's own docs.Validation
dnf install loki grafana -y) against the real base image with the fixed repo config — completes successfully.DNMnote: I could not run the fullprometheusbuild locally (no buildah/podman), but the exact failing command was validated against the actual base image.This PR was created by an AI agent (OpenHands) on behalf of SNThrailkill.
@SNThrailkill can click here to continue refining the PR