/
local_image_resolver.go
181 lines (146 loc) · 4.54 KB
/
local_image_resolver.go
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package imgsrc
import (
"context"
"fmt"
"regexp"
"strings"
"github.com/docker/docker/api/types"
dockerclient "github.com/docker/docker/client"
dockerparser "github.com/novln/docker-parser"
"github.com/pkg/errors"
"github.com/superfly/flyctl/internal/cmdfmt"
"github.com/superfly/flyctl/internal/tracing"
"github.com/superfly/flyctl/iostreams"
"github.com/superfly/flyctl/terminal"
"go.opentelemetry.io/otel/attribute"
)
type localImageResolver struct{}
func (*localImageResolver) Name() string {
return "Local Image Reference"
}
func (*localImageResolver) Run(ctx context.Context, dockerFactory *dockerClientFactory, streams *iostreams.IOStreams, opts RefOptions, build *build) (*DeploymentImage, string, error) {
ctx, span := tracing.GetTracer().Start(ctx, "local_image_resolver")
defer span.End()
build.BuildStart()
if !dockerFactory.IsLocal() {
note := "local docker daemon not available, skipping"
terminal.Debug(note)
span.AddEvent(note)
build.BuildFinish()
return nil, note, nil
}
if opts.Tag == "" {
opts.Tag = NewDeploymentTag(opts.AppName, opts.ImageLabel)
}
span.SetAttributes(opts.ToSpanAttributes()...)
build.BuilderInitStart()
docker, err := dockerFactory.buildFn(ctx, build)
build.BuilderInitFinish()
if err != nil {
build.BuildFinish()
return nil, "", err
}
defer docker.Close() // skipcq: GO-S2307
serverInfo, err := docker.Info(ctx)
if err != nil {
span.AddEvent(fmt.Sprintf("error fetching docker server info:%s", err.Error()))
terminal.Debug("error fetching docker server info:", err)
} else {
buildkitEnabled, err := buildkitEnabled(docker)
terminal.Debugf("buildkitEnabled %v", buildkitEnabled)
span.SetAttributes(attribute.Bool("docker.buildkit_enabled", buildkitEnabled))
if err == nil {
build.SetBuilderMetaPart2(buildkitEnabled, serverInfo.ServerVersion, fmt.Sprintf("%s/%s/%s", serverInfo.OSType, serverInfo.Architecture, serverInfo.OSVersion))
}
}
fmt.Fprintf(streams.ErrOut, "Searching for image '%s' locally...\n", opts.ImageRef)
img, err := findImageWithDocker(ctx, docker, opts.ImageRef)
if err != nil {
build.BuildFinish()
tracing.RecordError(span, err, "failed to find image with docker")
return nil, "", err
}
if img == nil {
build.BuildFinish()
span.AddEvent("no image found and no error occurred")
return nil, "no image found and no error occurred", nil
}
build.BuildFinish()
fmt.Fprintf(streams.ErrOut, "image found: %s\n", img.ID)
span.SetAttributes(attribute.String("image.id", img.ID))
if opts.Publish {
build.PushStart()
err = docker.ImageTag(ctx, img.ID, opts.Tag)
if err != nil {
build.PushFinish()
tracing.RecordError(span, err, "failed to tag image")
return nil, "", errors.Wrap(err, "error tagging image")
}
defer clearDeploymentTags(ctx, docker, opts.Tag)
cmdfmt.PrintBegin(streams.ErrOut, "Pushing image to fly")
if err := pushToFly(ctx, docker, streams, opts.Tag); err != nil {
build.PushFinish()
return nil, "", err
}
cmdfmt.PrintDone(streams.ErrOut, "Pushing image done")
}
di := &DeploymentImage{
ID: img.ID,
Tag: opts.Tag,
Size: img.Size,
}
span.SetAttributes(di.ToSpanAttributes()...)
return di, "", nil
}
var imageIDPattern = regexp.MustCompile("[a-f0-9]")
func findImageWithDocker(ctx context.Context, d *dockerclient.Client, imageName string) (*types.ImageSummary, error) {
ctx, span := tracing.GetTracer().Start(ctx, "find_image_with_docker")
defer span.End()
ref, err := dockerparser.Parse(imageName)
if err != nil {
tracing.RecordError(span, err, "failed to parse image")
return nil, err
}
span.SetAttributes(attribute.String("ref", ref.Name()))
isID := imageIDPattern.MatchString(imageName)
images, err := d.ImageList(ctx, types.ImageListOptions{})
if err != nil {
tracing.RecordError(span, err, "failed to list images")
return nil, err
}
if isID {
for _, img := range images {
if len(img.ID) < len(imageName)+7 {
continue
}
if img.ID[7:7+len(imageName)] == imageName {
terminal.Debug("Found image by id", imageName)
return &img, nil
}
}
}
searchTerms := []string{
imageName,
imageName + ":" + ref.Tag(),
ref.Name(),
ref.ShortName(),
ref.Remote(),
ref.Repository(),
}
terminal.Debug("Search terms:", searchTerms)
span.SetAttributes(attribute.StringSlice("search_terms", searchTerms))
for _, img := range images {
for _, tag := range img.RepoTags {
// skip <none>:<none>
if strings.HasPrefix(tag, "<none>") {
continue
}
for _, term := range searchTerms {
if tag == term {
return &img, nil
}
}
}
}
return nil, nil
}