-
-
Notifications
You must be signed in to change notification settings - Fork 18
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
8 changed files
with
313 additions
and
90 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| package plugins | ||
|
|
||
| import ( | ||
| "log" | ||
| "github.com/reddec/container" | ||
| "os" | ||
| "github.com/pkg/errors" | ||
| "path/filepath" | ||
| "net/http" | ||
| "bytes" | ||
| "github.com/Masterminds/sprig" | ||
| "html/template" | ||
| "io" | ||
| "time" | ||
| "context" | ||
| ) | ||
|
|
||
| type Http struct { | ||
| URL string `yaml:"url" mapstructure:"url"` // template URL string | ||
| Method string `yaml:"method"` // default POST | ||
| Headers map[string]string `yaml:"headers" mapstructure:"headers"` // additional header (non-template) | ||
| Services []string `yaml:"services"` | ||
| Timeout time.Duration `yaml:"timeout"` | ||
| withTemplate `mapstructure:",squash" yaml:",inline"` | ||
| log *log.Logger `yaml:"-"` | ||
| servicesSet map[string]bool | ||
| workDir string | ||
| } | ||
|
|
||
| func (c *Http) renderAndSend(message string, params map[string]interface{}) { | ||
| c.log.Println(message) | ||
|
|
||
| tpl, err := template.New("").Funcs(sprig.FuncMap()).Parse(string(c.URL)) | ||
| if err != nil { | ||
| c.log.Println("failed parse URL as template:", err) | ||
| return | ||
| } | ||
| urlM := &bytes.Buffer{} | ||
| err = tpl.Execute(urlM, params) | ||
| if err != nil { | ||
| c.log.Println("failed execute URL as template:", err) | ||
| return | ||
| } | ||
|
|
||
| req, err := http.NewRequest(c.Method, urlM.String(), bytes.NewBufferString(message)) | ||
| if err != nil { | ||
| c.log.Println("failed prepare request:", err) | ||
| return | ||
| } | ||
|
|
||
| ctx, closer := context.WithTimeout(context.Background(), c.Timeout) | ||
| defer closer() | ||
|
|
||
| res, err := http.DefaultClient.Do(req.WithContext(ctx)) | ||
| if err != nil { | ||
| c.log.Println("failed make request:", err) | ||
| return | ||
| } | ||
| io.Copy(os.Stdout, res.Body) // allow keep-alive | ||
| res.Body.Close() | ||
| } | ||
|
|
||
| func (c *Http) Spawned(runnable container.Runnable, id container.ID) { | ||
| if c.servicesSet[runnable.Label()] { | ||
| content, params, renderErr := c.renderDefaultParams("spawned", string(id), runnable.Label(), nil, c.log) | ||
| if renderErr != nil { | ||
| c.log.Println("failed render:", renderErr) | ||
| } else { | ||
| c.renderAndSend(content, params) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (c *Http) Prepare() error { | ||
| c.servicesSet = makeSet(c.Services) | ||
| c.log = log.New(os.Stderr, "[http] ", log.LstdFlags) | ||
| if c.Method == "" { | ||
| c.Method = "POST" | ||
| } | ||
| if c.Timeout == 0 { | ||
| c.Timeout = 20 * time.Second | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (c *Http) Stopped(runnable container.Runnable, id container.ID, err error) { | ||
| if c.servicesSet[runnable.Label()] { | ||
| content, params, renderErr := c.renderDefaultParams("stopped", string(id), runnable.Label(), err, c.log) | ||
| if renderErr != nil { | ||
| c.log.Println("failed render:", renderErr) | ||
| } else { | ||
| c.renderAndSend(content, params) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (a *Http) MergeFrom(other interface{}) (error) { | ||
| b := other.(*Http) | ||
| if a.URL == "" { | ||
| a.URL = b.URL | ||
| } | ||
| if a.URL != b.URL { | ||
| return errors.New("different urls") | ||
| } | ||
| if a.Method == "" { | ||
| a.Method = b.Method | ||
| } | ||
| if a.Method != b.Method { | ||
| return errors.New("different methods") | ||
| } | ||
| if a.Timeout == 0 { | ||
| a.Timeout = b.Timeout | ||
| } | ||
| if a.Timeout != b.Timeout { | ||
| return errors.New("different timeout") | ||
| } | ||
| a.withTemplate.resolvePath(a.workDir) | ||
| b.withTemplate.resolvePath(b.workDir) | ||
| if err := a.withTemplate.MergeFrom(&b.withTemplate); err != nil { | ||
| return err | ||
| } | ||
| if a.Headers == nil { | ||
| a.Headers = make(map[string]string) | ||
| } | ||
| for k, v := range b.Headers { | ||
| a.Headers[k] = v | ||
| } | ||
| a.Services = append(a.Services, b.Services...) | ||
| return nil | ||
| } | ||
|
|
||
| func init() { | ||
| registerPlugin("http", func(file string) PluginConfig { | ||
| return &Http{workDir: filepath.Dir(file)} | ||
| }) | ||
| } |
Oops, something went wrong.