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releases.go
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releases.go
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package director
import (
"encoding/json"
"fmt"
"net/http"
gourl "net/url"
bosherr "github.com/cloudfoundry/bosh-utils/errors"
semver "github.com/cppforlife/go-semi-semantic/version"
)
type ReleaseImpl struct {
client Client
name string
version semver.Version
currentlyDeployed bool
commitHash string
uncommittedChanges bool
jobs []Job
packages []Package
fetched bool
fetchErr error
}
func (r ReleaseImpl) Name() string { return r.name }
func (r ReleaseImpl) Version() semver.Version { return r.version }
func (r ReleaseImpl) VersionMark(suffix string) string {
if r.currentlyDeployed {
return suffix
}
return ""
}
func (r ReleaseImpl) CommitHashWithMark(suffix string) string {
if r.uncommittedChanges {
return r.commitHash + suffix
}
return r.commitHash
}
func (r *ReleaseImpl) Jobs() ([]Job, error) {
r.fetch()
return r.jobs, r.fetchErr
}
func (r *ReleaseImpl) Packages() ([]Package, error) {
r.fetch()
return r.packages, r.fetchErr
}
func (r *ReleaseImpl) fetch() {
if r.fetched {
return
}
resp, err := r.client.Release(r.name, r.version.String())
if err != nil {
r.fetchErr = bosherr.WrapErrorf(err, "Expected to find release '%s/%s'", r.name, r.version)
return
}
r.fill(resp)
}
func (r *ReleaseImpl) fill(resp ReleaseResp) {
r.fetched = true
r.jobs = resp.Jobs
r.packages = resp.Packages
}
func (r ReleaseImpl) Delete(force bool) error {
err := r.client.DeleteReleaseOrSeries(r.name, r.version.String(), force)
if err != nil {
found, listErr := r.client.HasRelease(r.name, r.version.String())
if found || listErr != nil {
return err
}
}
return nil
}
type ReleaseResp struct {
Jobs []Job
Packages []Package
}
type Job struct {
Name string
Fingerprint string
BlobstoreID string `json:"blobstore_id"`
SHA1 string `json:"sha1"`
}
type Package struct {
Name string
Fingerprint string
BlobstoreID string `json:"blobstore_id"`
SHA1 string `json:"sha1"`
CompiledPackages []CompiledPackage `json:"compiled_packages"`
}
type CompiledPackage struct {
// e.g. "bosh-aws-xen-hvm-ubuntu-trusty-go_agent/3093"
StemcellSlug StemcellSlug `json:"stemcell"`
BlobstoreID string `json:"blobstore_id"`
SHA1 string `json:"sha1"`
}
func (d DirectorImpl) Releases() ([]Release, error) {
var rels []Release
resps, err := d.client.ReleaseSeries()
if err != nil {
return rels, err
}
for _, resp := range resps {
for _, relVerResp := range resp.Versions {
parsedVersion, err := semver.NewVersionFromString(relVerResp.Version)
if err != nil {
return nil, bosherr.WrapErrorf(
err, "Parsing version for release '%s/%s'", resp.Name, relVerResp.Version)
}
rel := &ReleaseImpl{
client: d.client,
name: resp.Name,
version: parsedVersion,
currentlyDeployed: relVerResp.CurrentlyDeployed,
commitHash: relVerResp.CommitHash,
uncommittedChanges: relVerResp.UncommittedChanges,
}
rels = append(rels, rel)
}
}
return rels, nil
}
func (d DirectorImpl) FindRelease(slug ReleaseSlug) (Release, error) {
parsedVersion, err := semver.NewVersionFromString(slug.Version())
if err != nil {
return nil, bosherr.WrapErrorf(
err, "Parsing version for release '%s/%s'", slug.Name(), slug.Version())
}
rel := &ReleaseImpl{
client: d.client,
name: slug.Name(),
version: parsedVersion,
}
return rel, nil
}
func (d DirectorImpl) HasRelease(name, version string) (bool, error) {
return d.client.HasRelease(name, version)
}
func (d DirectorImpl) UploadReleaseURL(url, sha1 string, rebase, fix bool) error {
return d.client.UploadReleaseURL(url, sha1, rebase, fix)
}
func (d DirectorImpl) UploadReleaseFile(file UploadFile, rebase, fix bool) error {
return d.client.UploadReleaseFile(file, rebase, fix)
}
func (c Client) Release(name, version string) (ReleaseResp, error) {
var resp ReleaseResp
if len(name) == 0 {
return resp, bosherr.Error("Expected non-empty release name")
}
if len(version) == 0 {
return resp, bosherr.Error("Expected non-empty release version")
}
query := gourl.Values{}
query.Add("version", version)
path := fmt.Sprintf("/releases/%s?%s", name, query.Encode())
err := c.clientRequest.Get(path, &resp)
if err != nil {
return resp, bosherr.WrapErrorf(err, "Finding release '%s/%s'", name, version)
}
return resp, nil
}
func (c Client) HasRelease(name, version string) (bool, error) {
resps, err := c.ReleaseSeries()
if err != nil {
return false, err
}
for _, r := range resps {
if r.Name == name {
for _, v := range r.Versions {
if v.Version == version {
return true, nil
}
}
return false, nil
}
}
return false, nil
}
func (c Client) UploadReleaseURL(url, sha1 string, rebase, fix bool) error {
if len(url) == 0 {
return bosherr.Error("Expected non-empty URL")
}
query := gourl.Values{}
if rebase {
query.Add("rebase", "true")
}
if fix {
query.Add("fix", "true")
}
path := "/releases?" + query.Encode()
body := map[string]string{"location": url}
if len(sha1) > 0 {
body["sha1"] = sha1
}
reqBody, err := json.Marshal(body)
if err != nil {
return bosherr.WrapErrorf(err, "Marshaling request body")
}
setHeaders := func(req *http.Request) {
req.Header.Add("Content-Type", "application/json")
}
_, err = c.taskClientRequest.PostResult(path, reqBody, setHeaders)
if err != nil {
return bosherr.WrapErrorf(err, "Uploading remote release '%s'", url)
}
return nil
}
func (c Client) UploadReleaseFile(file UploadFile, rebase, fix bool) error {
fileInfo, err := file.Stat()
if err != nil {
return bosherr.WrapErrorf(err, "Determining release file size")
}
query := gourl.Values{}
if rebase {
query.Add("rebase", "true")
}
if fix {
query.Add("fix", "true")
}
path := "/releases?" + query.Encode()
setHeadersAndBody := func(req *http.Request) {
req.Header.Add("Content-Type", "application/x-compressed")
req.ContentLength = fileInfo.Size()
req.Body = file
}
_, err = c.taskClientRequest.PostResult(path, nil, setHeadersAndBody)
if err != nil {
return bosherr.WrapErrorf(err, "Uploading release file")
}
return nil
}