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Diffstat (limited to 'image-builder/lib.sh')
| -rw-r--r-- | image-builder/lib.sh | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/image-builder/lib.sh b/image-builder/lib.sh index dfb076b..8a22828 100644 --- a/image-builder/lib.sh +++ b/image-builder/lib.sh @@ -72,6 +72,15 @@ txz_hash() { done <<< "$files" | sha256sum | cut -d' ' -f1 } +# require_docker +# Assert the docker daemon answers before any variant is attempted. A dead +# daemon is global, not per-variant: without this each variant "fails and +# continues", the digest probes read as "no digest, rebuild to be safe", and +# cron logs warnings nightly while nothing is ever built. Fail loudly once. +require_docker() { + docker info >/dev/null 2>&1 || _err "docker daemon not reachable; is dockerd running?" +} + # require_mount VERSION # Assert the NAS tree for VERSION is mounted (file:// mirror only). # x86_64 tree dir is slackware64-${VERSION}. |