Clear Architecture field in platform constraint for arm architectures
@@ -3,6 +3,7 @@ package client
import (
"encoding/json"
"fmt"
+ "strings"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api/types"
@@ -98,6 +99,16 @@ func imageDigestAndPlatforms(ctx context.Context, cli DistributionAPIClient, ima
if len(distributionInspect.Platforms) > 0 {
platforms = make([]swarm.Platform, 0, len(distributionInspect.Platforms))
for _, p := range distributionInspect.Platforms {
+ // clear architecture field for arm. This is a temporary patch to address
+ // https://github.com/docker/swarmkit/issues/2294. The issue is that while
+ // image manifests report "arm" as the architecture, the node reports
+ // something like "armv7l" (includes the variant), which causes arm images
+ // to stop working with swarm mode. This patch removes the architecture
+ // constraint for arm images to ensure tasks get scheduled.
+ arch := strings.ToLower(p.Architecture)
+ if arch == "arm" {
+ arch = ""
+ }
platforms = append(platforms, swarm.Platform{
Architecture: p.Architecture,
OS: p.OS,
