mirror of
https://github.com/thegeeklab/wp-s3-action.git
synced 2024-11-09 18:30:40 +00:00
refactor for concurrency
This commit is contained in:
Nathan LaFreniere
parent
07033aa1a0
commit
0d6aff17dc
150
aws.go
150
aws.go
@ -7,7 +7,6 @@ import (
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"mime"
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"os"
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"path/filepath"
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"strings"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/credentials"
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@ -35,28 +34,12 @@ func NewAWS(vargs PluginArgs) AWS {
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return AWS{c, r, l, vargs}
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}
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func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if path == "." {
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func (a *AWS) Upload(local, remote string) error {
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if local == "" {
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return nil
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}
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if info.IsDir() {
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return nil
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}
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localPath := strings.TrimPrefix(path, a.vargs.Source)
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if strings.HasPrefix(localPath, "/") {
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localPath = localPath[1:]
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}
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remotePath := filepath.Join(a.vargs.Target, localPath)
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a.local = append(a.local, localPath)
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file, err := os.Open(path)
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file, err := os.Open(local)
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if err != nil {
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return err
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}
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@ -69,7 +52,7 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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} else if !a.vargs.Access.IsEmpty() {
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accessMap := a.vargs.Access.Map()
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for pattern := range accessMap {
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if match := glob.Glob(pattern, localPath); match == true {
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if match := glob.Glob(pattern, local); match == true {
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access = accessMap[pattern]
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break
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}
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@ -80,7 +63,7 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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access = "private"
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}
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fileExt := filepath.Ext(localPath)
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fileExt := filepath.Ext(local)
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var contentType string
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if a.vargs.ContentType.IsString() {
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contentType = a.vargs.ContentType.String()
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@ -98,7 +81,7 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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vmap := a.vargs.Metadata.Map()
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if len(vmap) > 0 {
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for pattern := range vmap {
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if match := glob.Glob(pattern, localPath); match == true {
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if match := glob.Glob(pattern, local); match == true {
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for k, v := range vmap[pattern] {
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metadata[k] = aws.String(v)
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}
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@ -111,42 +94,34 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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contentType = mime.TypeByExtension(fileExt)
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}
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exists := false
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for _, remoteFile := range a.remote {
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if remoteFile == localPath {
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exists = true
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break
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}
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head, err := a.client.HeadObject(&s3.HeadObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remote),
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})
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if err != nil {
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return err
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}
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if exists {
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if head != nil {
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hash := md5.New()
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io.Copy(hash, file)
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sum := fmt.Sprintf("\"%x\"", hash.Sum(nil))
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head, err := a.client.HeadObject(&s3.HeadObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remotePath),
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})
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if err != nil {
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return err
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}
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if sum == *head.ETag {
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shouldCopy := false
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if head.ContentType == nil && contentType != "" {
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debug("Content-Type has changed from unset to %s\n", contentType)
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debug("Content-Type has changed from unset to %s", contentType)
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shouldCopy = true
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}
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if !shouldCopy && head.ContentType != nil && contentType != *head.ContentType {
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debug("Content-Type has changed from %s to %s\n", *head.ContentType, contentType)
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debug("Content-Type has changed from %s to %s", *head.ContentType, contentType)
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shouldCopy = true
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}
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if !shouldCopy && len(head.Metadata) != len(metadata) {
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debug("Count of metadata values has changed for %s\n", localPath)
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debug("Count of metadata values has changed for %s", local)
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shouldCopy = true
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}
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@ -154,7 +129,7 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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for k, v := range metadata {
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if hv, ok := head.Metadata[k]; ok {
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if *v != *hv {
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debug("Metadata values have changed for %s\n", localPath)
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debug("Metadata values have changed for %s", local)
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shouldCopy = true
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break
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}
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@ -165,7 +140,7 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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if !shouldCopy {
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grant, err := a.client.GetObjectAcl(&s3.GetObjectAclInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remotePath),
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Key: aws.String(remote),
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})
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if err != nil {
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return err
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@ -190,21 +165,21 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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}
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if previousAccess != access {
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debug("Permissions for \"%s\" have changed from \"%s\" to \"%s\"\n", remotePath, previousAccess, access)
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debug("Permissions for \"%s\" have changed from \"%s\" to \"%s\"", remote, previousAccess, access)
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shouldCopy = true
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}
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}
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if !shouldCopy {
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debug("Skipping \"%s\" because hashes and metadata match\n", localPath)
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debug("Skipping \"%s\" because hashes and metadata match", local)
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return nil
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}
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fmt.Printf("Updating metadata for \"%s\" Content-Type: \"%s\", ACL: \"%s\"\n", localPath, contentType, access)
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debug("Updating metadata for \"%s\" Content-Type: \"%s\", ACL: \"%s\"", local, contentType, access)
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_, err = a.client.CopyObject(&s3.CopyObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remotePath),
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CopySource: aws.String(fmt.Sprintf("%s/%s", a.vargs.Bucket, remotePath)),
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Key: aws.String(remote),
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CopySource: aws.String(fmt.Sprintf("%s/%s", a.vargs.Bucket, remote)),
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ACL: aws.String(access),
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ContentType: aws.String(contentType),
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Metadata: metadata,
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@ -219,10 +194,10 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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}
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}
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fmt.Printf("Uploading \"%s\" with Content-Type \"%s\" and permissions \"%s\"\n", localPath, contentType, access)
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debug("Uploading \"%s\" with Content-Type \"%s\" and permissions \"%s\"", local, contentType, access)
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_, err = a.client.PutObject(&s3.PutObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remotePath),
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Key: aws.String(remote),
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Body: file,
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ContentType: aws.String(contentType),
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ACL: aws.String(access),
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@ -231,78 +206,55 @@ func (a *AWS) visit(path string, info os.FileInfo, err error) error {
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return err
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}
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func (a *AWS) AddRedirects(redirects map[string]string) error {
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for path, location := range redirects {
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fmt.Printf("Adding redirect from \"%s\" to \"%s\"", path, location)
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a.local = append(a.local, strings.TrimPrefix(path, "/"))
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_, err := a.client.PutObject(&s3.PutObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(path),
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ACL: aws.String("public-read"),
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WebsiteRedirectLocation: aws.String(location),
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})
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if err != nil {
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return err
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}
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}
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return nil
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func (a *AWS) Redirect(path, location string) error {
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debug("Adding redirect from \"%s\" to \"%s\"\n", path, location)
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_, err := a.client.PutObject(&s3.PutObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(path),
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ACL: aws.String("public-read"),
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WebsiteRedirectLocation: aws.String(location),
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})
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return err
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}
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func (a *AWS) List(path string) error {
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func (a *AWS) Delete(remote string) error {
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debug("Removing remote file \"%s\"\n", remote)
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_, err := a.client.DeleteObject(&s3.DeleteObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remote),
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})
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return err
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}
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func (a *AWS) List(path string) ([]string, error) {
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remote := make([]string, 1, 1)
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resp, err := a.client.ListObjects(&s3.ListObjectsInput{
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Bucket: aws.String(a.vargs.Bucket),
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Prefix: aws.String(path),
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})
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if err != nil {
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return err
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return remote, err
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}
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for _, item := range resp.Contents {
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a.remote = append(a.remote, *item.Key)
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remote = append(remote, *item.Key)
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}
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for *resp.IsTruncated {
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resp, err = a.client.ListObjects(&s3.ListObjectsInput{
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Bucket: aws.String(a.vargs.Bucket),
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Prefix: aws.String(path),
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Marker: aws.String(a.remote[len(a.remote)-1]),
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Marker: aws.String(remote[len(remote)-1]),
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})
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if err != nil {
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return err
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return remote, err
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}
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for _, item := range resp.Contents {
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a.remote = append(a.remote, *item.Key)
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remote = append(remote, *item.Key)
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}
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}
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return nil
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}
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func (a *AWS) Cleanup() error {
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for _, remote := range a.remote {
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found := false
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for _, local := range a.local {
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if local == remote {
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found = true
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break
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}
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}
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if !found {
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fmt.Printf("Removing remote file \"%s\"\n", remote)
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_, err := a.client.DeleteObject(&s3.DeleteObjectInput{
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Bucket: aws.String(a.vargs.Bucket),
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Key: aws.String(remote),
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})
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if err != nil {
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return err
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}
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}
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}
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return nil
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return remote, nil
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}
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108
main.go
108
main.go
@ -10,6 +10,19 @@ import (
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"github.com/drone/drone-go/plugin"
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)
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const maxConcurrent = 100
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type job struct {
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local string
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remote string
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action string
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}
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type result struct {
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j job
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err error
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}
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func main() {
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vargs := PluginArgs{}
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workspace := drone.Workspace{}
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@ -39,37 +52,104 @@ func main() {
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}
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client := NewAWS(vargs)
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err := client.List(vargs.Target)
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remote, err := client.List(vargs.Target)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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err = filepath.Walk(vargs.Source, client.visit)
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local := make([]string, 1, 1)
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jobs := make([]job, 1, 1)
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err = filepath.Walk(vargs.Source, func(path string, info os.FileInfo, err error) error {
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if err != nil || info.IsDir() {
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return err
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}
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localPath := path
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if vargs.Source != "." {
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localPath = strings.TrimPrefix(path, vargs.Source)
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if strings.HasPrefix(localPath, "/") {
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localPath = localPath[1:]
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}
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}
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local = append(local, localPath)
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jobs = append(jobs, job{
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local: filepath.Join(vargs.Source, localPath),
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remote: filepath.Join(vargs.Target, localPath),
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action: "upload",
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})
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return nil
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})
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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if len(vargs.Redirects) > 0 {
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err = client.AddRedirects(vargs.Redirects)
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if err != nil {
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fmt.Println(err)
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for path, location := range vargs.Redirects {
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path = strings.TrimPrefix(path, "/")
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local = append(local, path)
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jobs = append(jobs, job{
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local: path,
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remote: location,
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action: "redirect",
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})
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}
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for _, r := range remote {
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found := false
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for _, l := range local {
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if l == r {
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found = true
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break
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}
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}
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if !found {
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jobs = append(jobs, job{
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local: "",
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remote: r,
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action: "delete",
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})
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}
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}
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jobChan := make(chan struct{}, maxConcurrent)
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results := make(chan *result, len(jobs))
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fmt.Printf("Synchronizing with bucket \"%s\"", vargs.Bucket)
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for _, j := range jobs {
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jobChan <- struct{}{}
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go func(j job) {
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if j.action == "upload" {
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err = client.Upload(j.local, j.remote)
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} else if j.action == "redirect" {
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err = client.Redirect(j.local, j.remote)
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} else if j.action == "delete" && vargs.Delete {
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err = client.Delete(j.remote)
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} else {
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err = nil
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}
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results <- &result{j, err}
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<-jobChan
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}(j)
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}
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for _ = range jobs {
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r := <-results
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if r.err != nil {
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fmt.Printf("ERROR: failed to %s %s to %s: %s\n", r.j.action, r.j.local, r.j.remote, r.err)
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os.Exit(1)
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}
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}
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if vargs.Delete {
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err = client.Cleanup()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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fmt.Println("done!")
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}
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func debug(format string, args ...interface{}) {
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if os.Getenv("DEBUG") != "" {
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fmt.Printf(format, args...)
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fmt.Printf(format+"\n", args...)
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} else {
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fmt.Printf(".")
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}
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}
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