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Merge pull request #11 from maier/master
v0.5.2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| // Copyright © 2017 Circonus, Inc. <[email protected]> | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
| // | ||
|
|
||
| package server | ||
|
|
||
| import ( | ||
| "html/template" | ||
| "io/ioutil" | ||
| "os" | ||
| "path" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| type Release struct { | ||
| Version string | ||
| Packages []string | ||
| } | ||
|
|
||
| // updateLocalPackageIndex manages the index.html served on the | ||
| // packages/ endpoint when serving packages locally | ||
| func updateLocalPackageIndex(pkgDir string) error { | ||
| releases, err := scanPackages(pkgDir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := writeIndex(pkgDir, releases); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func scanPackages(pkgDir string) ([]Release, error) { | ||
| if pkgDir == "" { | ||
| return nil, errors.New("invalid package path (empty)") | ||
| } | ||
|
|
||
| fl, err := ioutil.ReadDir(pkgDir) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| releases := []Release{} | ||
|
|
||
| packageFiles := map[string][]string{} | ||
| for _, fi := range fl { | ||
| if fi.IsDir() { | ||
| continue | ||
| } | ||
| if !strings.HasPrefix(fi.Name(), "circonus-agent") { | ||
| continue | ||
| } | ||
|
|
||
| parts := strings.Split(fi.Name(), "-") | ||
| if len(parts) < 3 { | ||
| continue | ||
| } | ||
| ver := parts[2] | ||
| if _, ok := packageFiles[ver]; !ok { | ||
| packageFiles[ver] = []string{} | ||
| } | ||
| packageFiles[ver] = append(packageFiles[ver], fi.Name()) | ||
| } | ||
|
|
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| verList := []string{} | ||
| for ver := range packageFiles { | ||
| verList = append(verList, ver) | ||
| } | ||
|
|
||
| sort.Sort(sort.Reverse(sort.StringSlice(verList))) | ||
|
|
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| for _, ver := range verList { | ||
| releases = append(releases, Release{ | ||
| Version: ver, | ||
| Packages: packageFiles[ver], | ||
| }) | ||
| } | ||
|
|
||
| return releases, nil | ||
| } | ||
|
|
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| func writeIndex(pkgDir string, releases []Release) error { | ||
| tmplDoc := ` | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head><title>Circonus Agent Packages</title><meta charset="UTF-8"></head> | ||
| <body> | ||
| <h1>Circonus Agent Packages</h1> | ||
| {{range .}} | ||
| <h4>v{{ .Version}}</h4> | ||
| <ul> | ||
| <li> <a href="https://github.com/circonus-labs/circonus-agent/releases/tag/v{{ .Version }}">release information</a></li> | ||
| {{range .Packages}} | ||
| <li><a href="{{ . }}">{{ . }}</li> | ||
| {{end}} | ||
| </ul> | ||
| {{end}} | ||
| </body></html> | ||
| ` | ||
|
|
||
| tmpl, err := template.New("index").Parse(tmplDoc) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| f, err := os.Create(path.Join(pkgDir, "index.html")) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := tmpl.Execute(f, releases); err != nil { | ||
| f.Close() | ||
| return err | ||
| } | ||
|
|
||
| return f.Close() | ||
| } |
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