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Merged
tonistiigi merged 1 commit into from
Dec 18, 2024
Merged

bake: various fixes for composable attributes #2814

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147 changes: 53 additions & 94 deletions bake/bake.go
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Original file line number Diff line number Diff line change
Expand Up @@ -698,30 +698,30 @@ type Target struct {
// Inherits is the only field that cannot be overridden with --set
Inherits []string `json:"inherits,omitempty" hcl:"inherits,optional" cty:"inherits"`

Annotations []string `json:"annotations,omitempty" hcl:"annotations,optional" cty:"annotations"`
Attest []string `json:"attest,omitempty" hcl:"attest,optional" cty:"attest"`
Context *string `json:"context,omitempty" hcl:"context,optional" cty:"context"`
Contexts map[string]string `json:"contexts,omitempty" hcl:"contexts,optional" cty:"contexts"`
Dockerfile *string `json:"dockerfile,omitempty" hcl:"dockerfile,optional" cty:"dockerfile"`
DockerfileInline *string `json:"dockerfile-inline,omitempty" hcl:"dockerfile-inline,optional" cty:"dockerfile-inline"`
Args map[string]*string `json:"args,omitempty" hcl:"args,optional" cty:"args"`
Labels map[string]*string `json:"labels,omitempty" hcl:"labels,optional" cty:"labels"`
Tags []string `json:"tags,omitempty" hcl:"tags,optional" cty:"tags"`
CacheFrom []*buildflags.CacheOptionsEntry `json:"cache-from,omitempty" hcl:"cache-from,optional" cty:"cache-from"`
CacheTo []*buildflags.CacheOptionsEntry `json:"cache-to,omitempty" hcl:"cache-to,optional" cty:"cache-to"`
Target *string `json:"target,omitempty" hcl:"target,optional" cty:"target"`
Secrets []*buildflags.Secret `json:"secret,omitempty" hcl:"secret,optional" cty:"secret"`
SSH []*buildflags.SSH `json:"ssh,omitempty" hcl:"ssh,optional" cty:"ssh"`
Platforms []string `json:"platforms,omitempty" hcl:"platforms,optional" cty:"platforms"`
Outputs []*buildflags.ExportEntry `json:"output,omitempty" hcl:"output,optional" cty:"output"`
Pull *bool `json:"pull,omitempty" hcl:"pull,optional" cty:"pull"`
NoCache *bool `json:"no-cache,omitempty" hcl:"no-cache,optional" cty:"no-cache"`
NetworkMode *string `json:"network,omitempty" hcl:"network,optional" cty:"network"`
NoCacheFilter []string `json:"no-cache-filter,omitempty" hcl:"no-cache-filter,optional" cty:"no-cache-filter"`
ShmSize *string `json:"shm-size,omitempty" hcl:"shm-size,optional"`
Ulimits []string `json:"ulimits,omitempty" hcl:"ulimits,optional"`
Call *string `json:"call,omitempty" hcl:"call,optional" cty:"call"`
Entitlements []string `json:"entitlements,omitempty" hcl:"entitlements,optional" cty:"entitlements"`
Annotations []string `json:"annotations,omitempty" hcl:"annotations,optional" cty:"annotations"`
Attest []string `json:"attest,omitempty" hcl:"attest,optional" cty:"attest"`
Context *string `json:"context,omitempty" hcl:"context,optional" cty:"context"`
Contexts map[string]string `json:"contexts,omitempty" hcl:"contexts,optional" cty:"contexts"`
Dockerfile *string `json:"dockerfile,omitempty" hcl:"dockerfile,optional" cty:"dockerfile"`
DockerfileInline *string `json:"dockerfile-inline,omitempty" hcl:"dockerfile-inline,optional" cty:"dockerfile-inline"`
Args map[string]*string `json:"args,omitempty" hcl:"args,optional" cty:"args"`
Labels map[string]*string `json:"labels,omitempty" hcl:"labels,optional" cty:"labels"`
Tags []string `json:"tags,omitempty" hcl:"tags,optional" cty:"tags"`
CacheFrom buildflags.CacheOptions `json:"cache-from,omitempty" hcl:"cache-from,optional" cty:"cache-from"`
CacheTo buildflags.CacheOptions `json:"cache-to,omitempty" hcl:"cache-to,optional" cty:"cache-to"`
Target *string `json:"target,omitempty" hcl:"target,optional" cty:"target"`
Secrets buildflags.Secrets `json:"secret,omitempty" hcl:"secret,optional" cty:"secret"`
SSH buildflags.SSHKeys `json:"ssh,omitempty" hcl:"ssh,optional" cty:"ssh"`
Platforms []string `json:"platforms,omitempty" hcl:"platforms,optional" cty:"platforms"`
Outputs buildflags.Exports `json:"output,omitempty" hcl:"output,optional" cty:"output"`
Pull *bool `json:"pull,omitempty" hcl:"pull,optional" cty:"pull"`
NoCache *bool `json:"no-cache,omitempty" hcl:"no-cache,optional" cty:"no-cache"`
NetworkMode *string `json:"network,omitempty" hcl:"network,optional" cty:"network"`
NoCacheFilter []string `json:"no-cache-filter,omitempty" hcl:"no-cache-filter,optional" cty:"no-cache-filter"`
ShmSize *string `json:"shm-size,omitempty" hcl:"shm-size,optional"`
Ulimits []string `json:"ulimits,omitempty" hcl:"ulimits,optional"`
Call *string `json:"call,omitempty" hcl:"call,optional" cty:"call"`
Entitlements []string `json:"entitlements,omitempty" hcl:"entitlements,optional" cty:"entitlements"`
// IMPORTANT: if you add more fields here, do not forget to update newOverrides/AddOverrides and docs/bake-reference.md.

// linked is a private field to mark a target used as a linked one
Expand All @@ -739,12 +739,12 @@ func (t *Target) normalize() {
t.Annotations = removeDupesStr(t.Annotations)
t.Attest = removeAttestDupes(t.Attest)
t.Tags = removeDupesStr(t.Tags)
t.Secrets = removeDupes(t.Secrets)
t.SSH = removeDupes(t.SSH)
t.Secrets = t.Secrets.Normalize()
t.SSH = t.SSH.Normalize()
t.Platforms = removeDupesStr(t.Platforms)
t.CacheFrom = removeDupes(t.CacheFrom)
t.CacheTo = removeDupes(t.CacheTo)
t.Outputs = removeDupes(t.Outputs)
t.CacheFrom = t.CacheFrom.Normalize()
t.CacheTo = t.CacheTo.Normalize()
t.Outputs = t.Outputs.Normalize()
t.NoCacheFilter = removeDupesStr(t.NoCacheFilter)
t.Ulimits = removeDupesStr(t.Ulimits)

Expand Down Expand Up @@ -815,16 +815,16 @@ func (t *Target) Merge(t2 *Target) {
t.Attest = removeAttestDupes(t.Attest)
}
if t2.Secrets != nil { // merge
t.Secrets = append(t.Secrets, t2.Secrets...)
t.Secrets = t.Secrets.Merge(t2.Secrets)
}
if t2.SSH != nil { // merge
t.SSH = append(t.SSH, t2.SSH...)
t.SSH = t.SSH.Merge(t2.SSH)
}
if t2.Platforms != nil { // no merge
t.Platforms = t2.Platforms
}
if t2.CacheFrom != nil { // merge
t.CacheFrom = append(t.CacheFrom, t2.CacheFrom...)
t.CacheFrom = t.CacheFrom.Merge(t2.CacheFrom)
}
if t2.CacheTo != nil { // no merge
t.CacheTo = t2.CacheTo
Expand Down Expand Up @@ -1333,30 +1333,19 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
}
bo.Platforms = platforms

secrets := make([]*controllerapi.Secret, len(t.Secrets))
for i, s := range t.Secrets {
secrets[i] = s.ToPB()
}
bo.SecretSpecs = secrets

secretAttachment, err := controllerapi.CreateSecrets(secrets)
bo.SecretSpecs = t.Secrets.ToPB()
secretAttachment, err := controllerapi.CreateSecrets(bo.SecretSpecs)
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if err != nil {
return nil, err
}
bo.Session = append(bo.Session, secretAttachment)

var sshSpecs []*controllerapi.SSH
if len(t.SSH) > 0 {
sshSpecs := make([]*controllerapi.SSH, len(t.SSH))
for i, s := range t.SSH {
sshSpecs[i] = s.ToPB()
}
} else if buildflags.IsGitSSH(bi.ContextPath) || (inp != nil && buildflags.IsGitSSH(inp.URL)) {
sshSpecs = []*controllerapi.SSH{{ID: "default"}}
bo.SSHSpecs = t.SSH.ToPB()
if len(bo.SSHSpecs) == 0 && buildflags.IsGitSSH(bi.ContextPath) || (inp != nil && buildflags.IsGitSSH(inp.URL)) {
bo.SSHSpecs = []*controllerapi.SSH{{ID: "default"}}
}
bo.SSHSpecs = sshSpecs

sshAttachment, err := controllerapi.CreateSSH(sshSpecs)
sshAttachment, err := controllerapi.CreateSSH(bo.SSHSpecs)
if err != nil {
return nil, err
}
Expand All @@ -1372,24 +1361,14 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
}
}

cacheImports := make([]*controllerapi.CacheOptionsEntry, len(t.CacheFrom))
for i, ci := range t.CacheFrom {
cacheImports[i] = ci.ToPB()
}
bo.CacheFrom = controllerapi.CreateCaches(cacheImports)

cacheExports := make([]*controllerapi.CacheOptionsEntry, len(t.CacheTo))
for i, ce := range t.CacheTo {
cacheExports[i] = ce.ToPB()
if t.CacheFrom != nil {
bo.CacheFrom = controllerapi.CreateCaches(t.CacheFrom.ToPB())
}
bo.CacheTo = controllerapi.CreateCaches(cacheExports)

outputs := make([]*controllerapi.ExportEntry, len(t.Outputs))
for i, output := range t.Outputs {
outputs[i] = output.ToPB()
if t.CacheTo != nil {
bo.CacheTo = controllerapi.CreateCaches(t.CacheTo.ToPB())
}

bo.Exports, bo.ExportsLocalPathsTemporary, err = controllerapi.CreateExports(outputs)
bo.Exports, bo.ExportsLocalPathsTemporary, err = controllerapi.CreateExports(t.Outputs.ToPB())
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -1434,34 +1413,6 @@ func defaultTarget() *Target {
return &Target{}
}

type comparable[E any] interface {
Equal(other E) bool
}

func removeDupes[E comparable[E]](s []E) []E {
// Move backwards through the slice.
// For each element, any elements after the current element are unique.
// If we find our current element conflicts with an existing element,
// then we swap the offender with the end of the slice and chop it off.

// Start at the second to last element.
// The last element is always unique.
for i := len(s) - 2; i >= 0; i-- {
elem := s[i]
// Check for duplicates after our current element.
for j := i + 1; j < len(s); j++ {
if elem.Equal(s[j]) {
// Found a duplicate, exchange the
// duplicate with the last element.
s[j], s[len(s)-1] = s[len(s)-1], s[j]
s = s[:len(s)-1]
break
}
}
}
return s
}

func removeDupesStr(s []string) []string {
i := 0
seen := make(map[string]struct{}, len(s))
Expand Down Expand Up @@ -1616,6 +1567,10 @@ type arrValue[B any] interface {
func parseArrValue[T any, PT arrValue[T]](s []string) ([]*T, error) {
outputs := make([]*T, 0, len(s))
for _, text := range s {
if text == "" {
continue
}

output := new(T)
if err := PT(output).UnmarshalText([]byte(text)); err != nil {
return nil, err
Expand All @@ -1625,9 +1580,13 @@ func parseArrValue[T any, PT arrValue[T]](s []string) ([]*T, error) {
return outputs, nil
}

func parseCacheArrValues(s []string) ([]*buildflags.CacheOptionsEntry, error) {
outs := make([]*buildflags.CacheOptionsEntry, 0, len(s))
func parseCacheArrValues(s []string) (buildflags.CacheOptions, error) {
var outs buildflags.CacheOptions
for _, in := range s {
if in == "" {
continue
}

if !strings.Contains(in, "=") {
// This is ref only format. Each field in the CSV is its own entry.
fields, err := csvvalue.Fields(in, nil)
Expand Down
20 changes: 20 additions & 0 deletions bake/bake_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2019,6 +2019,26 @@ target "app" {
})
}

// https://github.com/docker/buildx/pull/428
// https://github.com/docker/buildx/issues/2822
func TestEmptyAttribute(t *testing.T) {
fp := File{
Name: "docker-bake.hcl",
Data: []byte(`
target "app" {
output = [""]
}
`),
}

ctx := context.TODO()

m, _, err := ReadTargets(ctx, []File{fp}, []string{"app"}, nil, nil, &EntitlementConf{})
require.Equal(t, 1, len(m))
require.Len(t, m["app"].Outputs, 0)
require.NoError(t, err)
}

func stringify[V fmt.Stringer](values []V) []string {
s := make([]string, len(values))
for i, v := range values {
Expand Down
10 changes: 5 additions & 5 deletions bake/compose.go
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Original file line number Diff line number Diff line change
Expand Up @@ -353,28 +353,28 @@ func (t *Target) composeExtTarget(exts map[string]interface{}) error {
if err != nil {
return err
}
t.CacheFrom = removeDupes(append(t.CacheFrom, cacheFrom...))
t.CacheFrom = t.CacheFrom.Merge(cacheFrom)
}
if len(xb.CacheTo) > 0 {
cacheTo, err := parseCacheArrValues(xb.CacheTo)
if err != nil {
return err
}
t.CacheTo = removeDupes(append(t.CacheTo, cacheTo...))
t.CacheTo = t.CacheTo.Merge(cacheTo)
}
if len(xb.Secrets) > 0 {
secrets, err := parseArrValue[buildflags.Secret](xb.Secrets)
if err != nil {
return err
}
t.Secrets = removeDupes(append(t.Secrets, secrets...))
t.Secrets = t.Secrets.Merge(secrets)
}
if len(xb.SSH) > 0 {
ssh, err := parseArrValue[buildflags.SSH](xb.SSH)
if err != nil {
return err
}
t.SSH = removeDupes(append(t.SSH, ssh...))
t.SSH = t.SSH.Merge(ssh)
slices.SortFunc(t.SSH, func(a, b *buildflags.SSH) int {
return a.Less(b)
})
Expand All @@ -387,7 +387,7 @@ func (t *Target) composeExtTarget(exts map[string]interface{}) error {
if err != nil {
return err
}
t.Outputs = removeDupes(append(t.Outputs, outputs...))
t.Outputs = t.Outputs.Merge(outputs)
}
if xb.Pull != nil {
t.Pull = xb.Pull
Expand Down
12 changes: 7 additions & 5 deletions bake/hcl_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -606,7 +606,7 @@ func TestHCLAttrsCapsuleType(t *testing.T) {
target "app" {
cache-from = [
{ type = "registry", ref = "user/app:cache" },
{ type = "local", src = "path/to/cache" },
"type=local,src=path/to/cache",
]

cache-to = [
Expand All @@ -615,6 +615,7 @@ func TestHCLAttrsCapsuleType(t *testing.T) {

output = [
{ type = "oci", dest = "../out.tar" },
"type=local,dest=../out",
]

secret = [
Expand All @@ -633,7 +634,7 @@ func TestHCLAttrsCapsuleType(t *testing.T) {
require.NoError(t, err)

require.Equal(t, 1, len(c.Targets))
require.Equal(t, []string{"type=oci,dest=../out.tar"}, stringify(c.Targets[0].Outputs))
require.Equal(t, []string{"type=local,dest=../out", "type=oci,dest=../out.tar"}, stringify(c.Targets[0].Outputs))
require.Equal(t, []string{"type=local,src=path/to/cache", "user/app:cache"}, stringify(c.Targets[0].CacheFrom))
require.Equal(t, []string{"type=local,dest=path/to/cache"}, stringify(c.Targets[0].CacheTo))
require.Equal(t, []string{"id=mysecret,src=/local/secret", "id=mysecret2,env=TOKEN"}, stringify(c.Targets[0].Secrets))
Expand All @@ -649,13 +650,14 @@ func TestHCLAttrsCapsuleTypeVars(t *testing.T) {
target "app" {
cache-from = [
{ type = "registry", ref = "user/app:cache" },
{ type = "local", src = "path/to/cache" },
"type=local,src=path/to/cache",
]

cache-to = [ target.app.cache-from[0] ]

output = [
{ type = "oci", dest = "../out.tar" },
"type=local,dest=../out",
]

secret = [
Expand All @@ -674,7 +676,7 @@ func TestHCLAttrsCapsuleTypeVars(t *testing.T) {
output = [ "type=oci,dest=../${foo}.tar" ]

secret = [
{ id = target.app.output[0].type, src = "/local/secret" },
{ id = target.app.output[0].type, src = "/${target.app.cache-from[1].type}/secret" },
]
}
`)
Expand All @@ -696,7 +698,7 @@ func TestHCLAttrsCapsuleTypeVars(t *testing.T) {
}

app := findTarget(t, "app")
require.Equal(t, []string{"type=oci,dest=../out.tar"}, stringify(app.Outputs))
require.Equal(t, []string{"type=local,dest=../out", "type=oci,dest=../out.tar"}, stringify(app.Outputs))
require.Equal(t, []string{"type=local,src=path/to/cache", "user/app:cache"}, stringify(app.CacheFrom))
require.Equal(t, []string{"user/app:cache"}, stringify(app.CacheTo))
require.Equal(t, []string{"id=mysecret,src=/local/secret"}, stringify(app.Secrets))
Expand Down
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