goreleaser/internal/pipe/blob/blob.go

// Package blob provides a Pipe that push artifacts to blob supported by Go CDK
package blob

import (
	"fmt"

	"github.com/goreleaser/goreleaser/internal/pipe"
	"github.com/goreleaser/goreleaser/internal/semerrgroup"
	"github.com/goreleaser/goreleaser/internal/tmpl"
	"github.com/goreleaser/goreleaser/pkg/context"

	// Import the blob packages we want to be able to open.
	_ "gocloud.dev/blob/azureblob"
	_ "gocloud.dev/blob/gcsblob"
	_ "gocloud.dev/blob/s3blob"
)

// Pipe for Artifactory
type Pipe struct{}

// String returns the description of the pipe
func (Pipe) String() string {
	return "Blob"
}

// Default sets the pipe defaults
func (Pipe) Default(ctx *context.Context) error {
	for i := range ctx.Config.Blobs {
		blob := &ctx.Config.Blobs[i]

		if blob.Bucket == "" || blob.Provider == "" {
			return fmt.Errorf("bucket or provider cannot be empty")
		}
		if blob.Folder == "" {
			blob.Folder = "{{ .ProjectName }}/{{ .Tag }}"
		}
		// Validation before opening connection to bucket
		// gocdk also does this validation but doing it in advance for better error handling
		// as currently, go cdk does not throw error if AZURE_STORAGE_KEY is missing.
		err := checkProvider(blob.Provider)
		if err != nil {
			return err
		}
	}
	return nil
}

// Publish to specified blob bucket url
func (Pipe) Publish(ctx *context.Context) error {
	if len(ctx.Config.Blobs) == 0 {
		return pipe.Skip("Blob section is not configured")
	}
	// Openning connection to the list of buckets
	o := newOpenBucket()
	var g = semerrgroup.New(ctx.Parallelism)
	for _, conf := range ctx.Config.Blobs {
		conf := conf
		template := tmpl.New(ctx)
		folder, err := template.Apply(conf.Folder)
		if err != nil {
			return err
		}
		g.Go(func() error {
			return o.Upload(ctx, conf, folder)
		})
	}
	return g.Wait()
}