/
slug_builder_info.go
61 lines (49 loc) · 2.41 KB
/
slug_builder_info.go
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package gitreceive
import (
"fmt"
)
const (
slugTGZName = "slug.tgz"
// CacheKeyPattern is the template for location cache dirs.
CacheKeyPattern = "home/%s/cache"
// GitKeyPattern is the template for storing git key files.
GitKeyPattern = "home/%s:git-%s"
)
// SlugBuilderInfo contains all of the object storage related information needed to pass to a
// slug builder.
type SlugBuilderInfo struct {
pushKey string
tarKey string
cacheKey string
disableCaching bool
}
// NewSlugBuilderInfo creates and populates a new SlugBuilderInfo based on the given data
func NewSlugBuilderInfo(appName string, shortSha string, disableCaching bool) *SlugBuilderInfo {
basePath := fmt.Sprintf(GitKeyPattern, appName, shortSha)
tarKey := fmt.Sprintf("%s/tar", basePath)
// this is where workflow tells slugrunner to download the slug from, so we have to tell slugbuilder to upload it to here
pushKey := fmt.Sprintf("%s/push", basePath)
cacheKey := fmt.Sprintf(CacheKeyPattern, appName)
return &SlugBuilderInfo{
pushKey: pushKey,
tarKey: tarKey,
cacheKey: cacheKey,
disableCaching: disableCaching,
}
}
// PushKey returns the object storage key that the slug builder will store the slug in.
// The returned value only contains the path to the folder, not including the final filename.
func (s SlugBuilderInfo) PushKey() string { return s.pushKey }
// TarKey returns the object storage key from which the slug builder will download for the tarball
// (from which it uses to build the slug). The returned value only contains the path to the
// folder, not including the final filename.
func (s SlugBuilderInfo) TarKey() string { return s.tarKey }
// CacheKey returns the object storage key that the slug builder will use to store the cache in
// it's application specific and persisted between deploys (doesn't contain git-sha)
func (s SlugBuilderInfo) CacheKey() string { return s.cacheKey }
// DisableCaching dictates whether or not the slugbuilder should persist the buildpack cache.
func (s SlugBuilderInfo) DisableCaching() bool { return s.disableCaching }
// AbsoluteSlugObjectKey returns the PushKey plus the final filename of the slug.
func (s SlugBuilderInfo) AbsoluteSlugObjectKey() string { return s.PushKey() + "/" + slugTGZName }
// AbsoluteProcfileKey returns the PushKey plus the standard procfile name.
func (s SlugBuilderInfo) AbsoluteProcfileKey() string { return s.PushKey() + "/Procfile" }