Move to vendor

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/bugsnag/bugsnag-go/payload.go

@@ -0,0 +1,96 @@
+package bugsnag
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type payload struct {
+	*Event
+	*Configuration
+}
+
+type hash map[string]interface{}
+
+func (p *payload) deliver() error {
+
+	if len(p.APIKey) != 32 {
+		return fmt.Errorf("bugsnag/payload.deliver: invalid api key")
+	}
+
+	buf, err := json.Marshal(p)
+
+	if err != nil {
+		return fmt.Errorf("bugsnag/payload.deliver: %v", err)
+	}
+
+	client := http.Client{
+		Transport: p.Transport,
+	}
+
+	resp, err := client.Post(p.Endpoint, "application/json", bytes.NewBuffer(buf))
+
+	if err != nil {
+		return fmt.Errorf("bugsnag/payload.deliver: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("bugsnag/payload.deliver: Got HTTP %s\n", resp.Status)
+	}
+
+	return nil
+}
+
+func (p *payload) MarshalJSON() ([]byte, error) {
+
+	data := hash{
+		"apiKey": p.APIKey,
+
+		"notifier": hash{
+			"name":    "Bugsnag Go",
+			"url":     "https://github.com/bugsnag/bugsnag-go",
+			"version": VERSION,
+		},
+
+		"events": []hash{
+			{
+				"payloadVersion": "2",
+				"exceptions": []hash{
+					{
+						"errorClass": p.ErrorClass,
+						"message":    p.Message,
+						"stacktrace": p.Stacktrace,
+					},
+				},
+				"severity": p.Severity.String,
+				"app": hash{
+					"releaseStage": p.ReleaseStage,
+				},
+				"user":     p.User,
+				"metaData": p.MetaData.sanitize(p.ParamsFilters),
+			},
+		},
+	}
+
+	event := data["events"].([]hash)[0]
+
+	if p.Context != "" {
+		event["context"] = p.Context
+	}
+	if p.GroupingHash != "" {
+		event["groupingHash"] = p.GroupingHash
+	}
+	if p.Hostname != "" {
+		event["device"] = hash{
+			"hostname": p.Hostname,
+		}
+	}
+	if p.AppVersion != "" {
+		event["app"].(hash)["version"] = p.AppVersion
+	}
+	return json.Marshal(data)
+
+}