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Merge pull request #121 from tonistiigi/config

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driver: allow setting buildkit config file
This commit is contained in:
Tibor Vass
2019-07-31 15:21:17 -07:00
committed by GitHub
parent 6e32ea3418 8ed8795268
commit 2bf6187a88
7 changed files with 60 additions and 17 deletions
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4
commands/create.go
View File

@@ -24,6 +24,7 @@ type createOptions struct {
actionLeave bool
use bool
flags string
configFile string
// upgrade bool // perform upgrade of the driver
}
@@ -138,7 +139,7 @@ func runCreate(dockerCli command.Cli, in createOptions, args []string) error {
return err
}
}
if err := ng.Update(in.nodeName, ep, in.platform, len(args) > 0, in.actionAppend, flags); err != nil {
if err := ng.Update(in.nodeName, ep, in.platform, len(args) > 0, in.actionAppend, flags, in.configFile); err != nil {
return err
}
}
@@ -184,6 +185,7 @@ func createCmd(dockerCli command.Cli) *cobra.Command {
flags.StringVar(&options.driver, "driver", "", fmt.Sprintf("Driver to use (available: %v)", drivers))
flags.StringVar(&options.nodeName, "node", "", "Create/modify node with given name")
flags.StringVar(&options.flags, "buildkitd-flags", "", "Flags for buildkitd daemon")
flags.StringVar(&options.configFile, "config", "", "BuildKit config file")
flags.StringArrayVar(&options.platform, "platform", []string{}, "Fixed platforms for current node")
flags.BoolVar(&options.actionAppend, "append", false, "Append a node to builder instead of changing it")

4
commands/util.go
View File

@@ -174,7 +174,7 @@ func driversForNodeGroup(ctx context.Context, dockerCli command.Cli, ng *store.N
// TODO: replace the following line with dockerclient.WithAPIVersionNegotiation option in clientForEndpoint
dockerapi.NegotiateAPIVersion(ctx)
d, err := driver.GetDriver(ctx, "buildx_buildkit_"+n.Name, f, dockerapi, n.Flags)
d, err := driver.GetDriver(ctx, "buildx_buildkit_"+n.Name, f, dockerapi, n.Flags, n.ConfigFile)
if err != nil {
di.Err = err
return nil
@@ -251,7 +251,7 @@ func getDefaultDrivers(ctx context.Context, dockerCli command.Cli) ([]build.Driv
return driversForNodeGroup(ctx, dockerCli, ng)
}
d, err := driver.GetDriver(ctx, "buildx_buildkit_default", nil, dockerCli.Client(), nil)
d, err := driver.GetDriver(ctx, "buildx_buildkit_default", nil, dockerCli.Client(), nil, "")
if err != nil {
return nil, err
}

34
driver/docker-container/driver.go
View File

@@ -1,6 +1,8 @@
package docker
import (
"archive/tar"
"bytes"
"context"
"io"
"io/ioutil"
@@ -74,6 +76,15 @@ func (d *Driver) create(ctx context.Context, l progress.SubLogger) error {
if err != nil {
return err
}
if f := d.InitConfig.ConfigFile; f != "" {
buf, err := readFileToTar(f)
if err != nil {
return err
}
if err := d.DockerAPI.CopyToContainer(ctx, d.Name, "/", buf, dockertypes.CopyToContainerOptions{}); err != nil {
return err
}
}
if err := d.start(ctx, l); err != nil {
return err
}
@@ -245,3 +256,26 @@ type demux struct {
func (d *demux) Read(dt []byte) (int, error) {
return d.Reader.Read(dt)
}
func readFileToTar(fn string) (*bytes.Buffer, error) {
buf := bytes.NewBuffer(nil)
tw := tar.NewWriter(buf)
dt, err := ioutil.ReadFile(fn)
if err != nil {
return nil, err
}
if err := tw.WriteHeader(&tar.Header{
Name: "/etc/buildkit/buildkitd.toml",
Size: int64(len(dt)),
Mode: 0644,
}); err != nil {
return nil, err
}
if _, err := tw.Write(dt); err != nil {
return nil, err
}
if err := tw.Close(); err != nil {
return nil, err
}
return buf, nil
}

3
driver/docker/factory.go
View File

@@ -44,6 +44,9 @@ func (f *factory) New(ctx context.Context, cfg driver.InitConfig) (driver.Driver
if cfg.DockerAPI == nil {
return nil, errors.Errorf("docker driver requires docker API access")
}
if cfg.ConfigFile != "" {
return nil, errors.Errorf("setting config file is not supported for docker driver, use dockerd configuration file")
}
return &Driver{factory: f, InitConfig: cfg}, nil
}

4
driver/manager.go
View File

@@ -26,6 +26,7 @@ type InitConfig struct {
Name string
DockerAPI dockerclient.APIClient
BuildkitFlags []string
ConfigFile string
Meta map[string]interface{}
}
@@ -71,11 +72,12 @@ func GetFactory(name string, instanceRequired bool) Factory {
return nil
}
func GetDriver(ctx context.Context, name string, f Factory, api dockerclient.APIClient, flags []string) (Driver, error) {
func GetDriver(ctx context.Context, name string, f Factory, api dockerclient.APIClient, flags []string, config string) (Driver, error) {
ic := InitConfig{
DockerAPI: api,
Name: name,
BuildkitFlags: flags,
ConfigFile: config,
}
if f == nil {
var err error

20
store/nodegroup.go
View File

@@ -16,10 +16,11 @@ type NodeGroup struct {
}
type Node struct {
Name string
Endpoint string
Platforms []specs.Platform
Flags []string
Name string
Endpoint string
Platforms []specs.Platform
Flags []string
ConfigFile string
}
func (ng *NodeGroup) Leave(name string) error {
@@ -34,7 +35,7 @@ func (ng *NodeGroup) Leave(name string) error {
return nil
}
func (ng *NodeGroup) Update(name, endpoint string, platforms []string, endpointsSet bool, actionAppend bool, flags []string) error {
func (ng *NodeGroup) Update(name, endpoint string, platforms []string, endpointsSet bool, actionAppend bool, flags []string, configFile string) error {
i := ng.findNode(name)
if i == -1 && !actionAppend {
if len(ng.Nodes) > 0 {
@@ -76,10 +77,11 @@ func (ng *NodeGroup) Update(name, endpoint string, platforms []string, endpoints
}
n := Node{
Name: name,
Endpoint: endpoint,
Platforms: pp,
Flags: flags,
Name: name,
Endpoint: endpoint,
Platforms: pp,
ConfigFile: configFile,
Flags: flags,
}
ng.Nodes = append(ng.Nodes, n)

8
store/nodegroup_test.go
View File

@@ -11,16 +11,16 @@ func TestNodeGroupUpdate(t *testing.T) {
t.Parallel()
ng := &NodeGroup{}
err := ng.Update("foo", "foo0", []string{"linux/amd64"}, true, false, []string{"--debug"})
err := ng.Update("foo", "foo0", []string{"linux/amd64"}, true, false, []string{"--debug"}, "")
require.NoError(t, err)
err = ng.Update("foo1", "foo1", []string{"linux/arm64", "linux/arm/v7"}, true, true, nil)
err = ng.Update("foo1", "foo1", []string{"linux/arm64", "linux/arm/v7"}, true, true, nil, "")
require.NoError(t, err)
require.Equal(t, len(ng.Nodes), 2)
// update
err = ng.Update("foo", "foo2", []string{"linux/amd64", "linux/arm"}, true, false, nil)
err = ng.Update("foo", "foo2", []string{"linux/amd64", "linux/arm"}, true, false, nil, "")
require.NoError(t, err)
require.Equal(t, len(ng.Nodes), 2)
@@ -32,7 +32,7 @@ func TestNodeGroupUpdate(t *testing.T) {
require.Equal(t, []string(nil), ng.Nodes[1].Flags)
// duplicate endpoint
err = ng.Update("foo1", "foo2", nil, true, false, nil)
err = ng.Update("foo1", "foo2", nil, true, false, nil, "")
require.Error(t, err)
require.Contains(t, err.Error(), "duplicate endpoint")