vendor latest c/common

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 30 insertions, 36 deletions

diff --git a/vendor/github.com/containers/common/libimage/pull.go b/vendor/github.com/containers/common/libimage/pull.go
index 84ce107ee..ff93b6ed8 100644
--- a/vendor/github.com/containers/common/libimage/pull.go
+++ b/vendor/github.com/containers/common/libimage/pull.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"runtime"
 	"strings"
 	"time"
 
@@ -446,12 +447,18 @@ func (r *Runtime) copySingleImageFromRegistry(ctx context.Context, imageName str
 	// If there's already a local image "localhost/foo", then we should
 	// attempt pulling that instead of doing the full short-name dance.
 	//
-	// NOTE: we must ignore the platform of a local image when doing
-	// lookups here, even if arch/os/variant is set.  Some images set an
-	// incorrect or even invalid platform (see containers/podman/issues/10682).
-	// Doing the lookup while ignoring the platform checks prevents
-	// redundantly downloading the same image.
-	localImage, resolvedImageName, err = r.LookupImage(imageName, nil)
+	// NOTE that we only do platform checks if the specified values differ
+	// from the local platform. Unfortunately, there are many images used
+	// in the wild which don't set the correct value(s) in the config
+	// causing various issues such as containers/podman/issues/10682.
+	lookupImageOptions := &LookupImageOptions{Variant: options.Variant}
+	if options.Architecture != runtime.GOARCH {
+		lookupImageOptions.Architecture = options.Architecture
+	}
+	if options.OS != runtime.GOOS {
+		lookupImageOptions.OS = options.OS
+	}
+	localImage, resolvedImageName, err = r.LookupImage(imageName, lookupImageOptions)
 	if err != nil && errors.Cause(err) != storage.ErrImageUnknown {
 		logrus.Errorf("Looking up %s in local storage: %v", imageName, err)
 	}
@@ -464,37 +471,18 @@ func (r *Runtime) copySingleImageFromRegistry(ctx context.Context, imageName str
 		}
 	}
 
-	customPlatform := false
-	if len(options.Architecture)+len(options.OS)+len(options.Variant) > 0 {
-		customPlatform = true
-		// Unless the pull policy is "always", we must pessimistically assume
-		// that the local image has an invalid architecture (see
-		// containers/podman/issues/10682).  Hence, whenever the user requests
-		// a custom platform, set the pull policy to "always" to make sure
-		// we're pulling down the image.
+	customPlatform := len(options.Architecture)+len(options.OS)+len(options.Variant) > 0
+	if customPlatform && pullPolicy != config.PullPolicyAlways && pullPolicy != config.PullPolicyNever {
+		// Unless the pull policy is always/never, we must
+		// pessimistically assume that the local image has an invalid
+		// architecture (see containers/podman/issues/10682).  Hence,
+		// whenever the user requests a custom platform, set the pull
+		// policy to "newer" to make sure we're pulling down the
+		// correct image.
 		//
-		// NOTE that this is will even override --pull={false,never}.  This is
-		// very likely a bug but a consistent one in Podman/Buildah and should
-		// be addressed at a later point.
-		if pullPolicy != config.PullPolicyAlways && pullPolicy != config.PullPolicyNever {
-			switch {
-			// User input clearly refer to a local image.
-			case strings.HasPrefix(imageName, "localhost/"):
-				logrus.Debugf("Enforcing pull policy to %q to support custom platform (arch: %q, os: %q, variant: %q)", "never", options.Architecture, options.OS, options.Variant)
-				pullPolicy = config.PullPolicyNever
-
-			// Image resolved to a local one, so let's still have a
-			// look at the registries or aliases but use it
-			// otherwise.
-			case strings.HasPrefix(resolvedImageName, "localhost/"):
-				logrus.Debugf("Enforcing pull policy to %q to support custom platform (arch: %q, os: %q, variant: %q)", "newer", options.Architecture, options.OS, options.Variant)
-				pullPolicy = config.PullPolicyNewer
-
-			default:
-				logrus.Debugf("Enforcing pull policy to %q to support custom platform (arch: %q, os: %q, variant: %q)", "always", options.Architecture, options.OS, options.Variant)
-				pullPolicy = config.PullPolicyAlways
-			}
-		}
+		// NOTE that this is will even override --pull={false,never}.
+		pullPolicy = config.PullPolicyNewer
+		logrus.Debugf("Enforcing pull policy to %q to pull custom platform (arch: %q, os: %q, variant: %q) - local image may mistakenly specify wrong platform", pullPolicy, options.Architecture, options.OS, options.Variant)
 	}
 
 	if pullPolicy == config.PullPolicyNever {
@@ -540,6 +528,12 @@ func (r *Runtime) copySingleImageFromRegistry(ctx context.Context, imageName str
 	sys := r.systemContextCopy()
 	resolved, err := shortnames.Resolve(sys, imageName)
 	if err != nil {
+		// TODO: that is a too big of a hammer since we should only
+		// ignore errors that indicate that there's no alias and no
+		// USRs.  Must be addressed in c/image first.
+		if localImage != nil && pullPolicy == config.PullPolicyNewer {
+			return []string{resolvedImageName}, nil
+		}
 		return nil, err
 	}