vendor: update buildkit to v0.14.0-rc1

Update buildkit dependency to v0.14.0-rc1. Update the tracing
infrastructure to use the new detect API which updates how the delegated
exporter is configured.

Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>

vendor/github.com/moby/buildkit/cmd/buildkitd/config/config.go

@@ -33,6 +33,19 @@ type Config struct {
 	DNS *DNSConfig `toml:"dns"`
 
 	History *HistoryConfig `toml:"history"`
+
+	Frontends struct {
+		Dockerfile DockerfileFrontendConfig `toml:"dockerfile.v0"`
+		Gateway    GatewayFrontendConfig    `toml:"gateway.v0"`
+	} `toml:"frontend"`
+
+	System *SystemConfig `toml:"system"`
+}
+
+type SystemConfig struct {
+	// PlatformCacheMaxAge controls how often supported platforms
+	// are refreshed by rescanning the system.
+	PlatformsCacheMaxAge *Duration `toml:"platformsCacheMaxAge"`
 }
 
 type LogConfig struct {
@@ -40,10 +53,11 @@ type LogConfig struct {
 }
 
 type GRPCConfig struct {
-	Address      []string `toml:"address"`
-	DebugAddress string   `toml:"debugAddress"`
-	UID          *int     `toml:"uid"`
-	GID          *int     `toml:"gid"`
+	Address            []string `toml:"address"`
+	DebugAddress       string   `toml:"debugAddress"`
+	UID                *int     `toml:"uid"`
+	GID                *int     `toml:"gid"`
+	SecurityDescriptor string   `toml:"securityDescriptor"`
 
 	TLS TLSConfig `toml:"tls"`
 	// MaxRecvMsgSize int    `toml:"max_recv_message_size"`
@@ -154,3 +168,12 @@ type HistoryConfig struct {
 	MaxAge     Duration `toml:"maxAge"`
 	MaxEntries int64    `toml:"maxEntries"`
 }
+
+type DockerfileFrontendConfig struct {
+	Enabled *bool `toml:"enabled"`
+}
+
+type GatewayFrontendConfig struct {
+	Enabled             *bool    `toml:"enabled"`
+	AllowedRepositories []string `toml:"allowedRepositories"`
+}

vendor/github.com/moby/buildkit/cmd/buildkitd/config/gcpolicy.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/docker/go-units"
+	"github.com/moby/buildkit/util/bklog"
 	"github.com/pkg/errors"
 )
 
@@ -104,3 +105,25 @@ func stripQuotes(s string) string {
 	}
 	return s
 }
+
+func DetectDefaultGCCap() DiskSpace {
+	return DiskSpace{Percentage: DiskSpacePercentage}
+}
+
+func (d DiskSpace) AsBytes(root string) int64 {
+	if d.Bytes != 0 {
+		return d.Bytes
+	}
+	if d.Percentage == 0 {
+		return 0
+	}
+
+	diskSize, err := getDiskSize(root)
+	if err != nil {
+		bklog.L.Warnf("failed to get disk size: %v", err)
+		return defaultCap
+	}
+	avail := diskSize * d.Percentage / 100
+	rounded := (avail/(1<<30) + 1) * 1e9 // round up
+	return rounded
+}

vendor/github.com/moby/buildkit/cmd/buildkitd/config/gcpolicy_openbsd.go

@@ -0,0 +1,19 @@
+//go:build openbsd
+// +build openbsd
+
+package config
+
+import (
+	"syscall"
+)
+
+var DiskSpacePercentage int64 = 10
+
+func getDiskSize(root string) (int64, error) {
+	var st syscall.Statfs_t
+	if err := syscall.Statfs(root, &st); err != nil {
+		return 0, err
+	}
+	diskSize := int64(st.F_bsize) * int64(st.F_blocks)
+	return diskSize, nil
+}

vendor/github.com/moby/buildkit/cmd/buildkitd/config/gcpolicy_unix.go

@@ -1,5 +1,5 @@
-//go:build !windows
-// +build !windows
+//go:build !windows && !openbsd
+// +build !windows,!openbsd
 
 package config
 
@@ -7,23 +7,13 @@ import (
 	"syscall"
 )
 
-func DetectDefaultGCCap() DiskSpace {
-	return DiskSpace{Percentage: 10}
-}
-
-func (d DiskSpace) AsBytes(root string) int64 {
-	if d.Bytes != 0 {
-		return d.Bytes
-	}
-	if d.Percentage == 0 {
-		return 0
-	}
+var DiskSpacePercentage int64 = 10
 
+func getDiskSize(root string) (int64, error) {
 	var st syscall.Statfs_t
 	if err := syscall.Statfs(root, &st); err != nil {
-		return defaultCap
+		return 0, err
 	}
 	diskSize := int64(st.Bsize) * int64(st.Blocks)
-	avail := diskSize * d.Percentage / 100
-	return (avail/(1<<30) + 1) * 1e9 // round up
+	return diskSize, nil
 }

vendor/github.com/moby/buildkit/cmd/buildkitd/config/gcpolicy_windows.go

@@ -3,10 +3,29 @@
 
 package config
 
-func DetectDefaultGCCap() DiskSpace {
-	return DiskSpace{Bytes: defaultCap}
-}
+import (
+	"golang.org/x/sys/windows"
+)
 
-func (d DiskSpace) AsBytes(root string) int64 {
-	return d.Bytes
+// set as double that for Linux since
+// Windows images are generally larger.
+var DiskSpacePercentage int64 = 20
+
+func getDiskSize(root string) (int64, error) {
+	rootUTF16, err := windows.UTF16FromString(root)
+	if err != nil {
+		return 0, err
+	}
+	var freeAvailableBytes uint64
+	var totalBytes uint64
+	var totalFreeBytes uint64
+
+	if err := windows.GetDiskFreeSpaceEx(
+		&rootUTF16[0],
+		&freeAvailableBytes,
+		&totalBytes,
+		&totalFreeBytes); err != nil {
+		return 0, err
+	}
+	return int64(totalBytes), nil
 }