A container registry that uses the AT Protocol for manifest storage and S3 for blob storage.
atcr.io
docker
container
atproto
go
serialize goreleaser
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-3
+45
-3
scripts/publish-artifact.sh
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-3
scripts/publish-artifact.sh
···
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#!/usr/bin/env bash
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set -e
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goat account login -u "${TANGLED_REPO_DID}" -p "${APP_PASSWORD}"
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# Serialize across parallel invocations from goreleaser. goat stores its session
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# in a single file (~/.local/state/goat/auth-session.json), so concurrent logins
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# race on it, and the PDS gets slammed by simultaneous uploads.
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exec 9>/tmp/atcr-publish-artifact.lock
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flock 9
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retry() {
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local max=5 attempt=1
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while true; do
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if "$@"; then return 0; fi
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[ $attempt -ge $max ] && { echo "giving up after $max attempts: $*" >&2; return 1; }
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local sleep_s=$((attempt * 3))
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echo "attempt $attempt failed; retrying in ${sleep_s}s..." >&2
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sleep $sleep_s
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attempt=$((attempt + 1))
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done
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}
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retry goat account login -u "${TANGLED_REPO_DID}" -p "${APP_PASSWORD}"
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TAG_HASH=$(git rev-parse "$TANGLED_REF_NAME")
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TAG_BYTES=$(printf "$(printf '%s' "$TAG_HASH" | sed 's/../\\x&/g')" | base64 | tr -d '=')
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BLOB_OUTPUT=$(goat blob upload "$ARTIFACT_PATH")
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BLOB_OUTPUT=$(retry goat blob upload "$ARTIFACT_PATH")
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echo "$BLOB_OUTPUT"
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# Deterministic rkey from (tag, artifact name) makes record create idempotent.
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# Needed because tangled's PDS returns HTTP 500 (not 409) on duplicate rkey,
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# so a retry after a mid-write 500 would otherwise create a duplicate record.
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RKEY=$(printf '%s|%s' "$TANGLED_REF_NAME" "$ARTIFACT_NAME" | sha256sum | cut -c1-24)
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RECORD_URI="at://${TANGLED_REPO_DID}/sh.tangled.repo.artifact/${RKEY}"
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CREATED_AT=$(date -Iseconds)
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cat > temp_artifact.json <<EOF
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{
···
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}
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EOF
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cat temp_artifact.json
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goat record create temp_artifact.json -n
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# Attempt create; on failure, check whether the record actually landed.
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# Handles both transient 5xx and tangled's 500-on-duplicate-rkey behaviour.
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for attempt in 1 2 3 4 5; do
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if goat record create --rkey "$RKEY" temp_artifact.json -n; then
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break
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fi
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if goat record get "$RECORD_URI" >/dev/null 2>&1; then
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echo "record already exists at $RECORD_URI — treating as success"
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break
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fi
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[ $attempt -eq 5 ] && { echo "record create failed and record does not exist" >&2; exit 1; }
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sleep $((attempt * 3))
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done
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rm temp_artifact.json
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sleep 2