vendor go-plugin file

vendor/github.com/hashicorp/go-plugin/log_entry.go

@@ -0,0 +1,73 @@
+package plugin
+
+import (
+	"encoding/json"
+	"time"
+)
+
+// logEntry is the JSON payload that gets sent to Stderr from the plugin to the host
+type logEntry struct {
+	Message   string        `json:"@message"`
+	Level     string        `json:"@level"`
+	Timestamp time.Time     `json:"timestamp"`
+	KVPairs   []*logEntryKV `json:"kv_pairs"`
+}
+
+// logEntryKV is a key value pair within the Output payload
+type logEntryKV struct {
+	Key   string      `json:"key"`
+	Value interface{} `json:"value"`
+}
+
+// flattenKVPairs is used to flatten KVPair slice into []interface{}
+// for hclog consumption.
+func flattenKVPairs(kvs []*logEntryKV) []interface{} {
+	var result []interface{}
+	for _, kv := range kvs {
+		result = append(result, kv.Key)
+		result = append(result, kv.Value)
+	}
+
+	return result
+}
+
+// parseJSON handles parsing JSON output
+func parseJSON(input string) (*logEntry, error) {
+	var raw map[string]interface{}
+	entry := &logEntry{}
+
+	err := json.Unmarshal([]byte(input), &raw)
+	if err != nil {
+		return nil, err
+	}
+
+	// Parse hclog-specific objects
+	if v, ok := raw["@message"]; ok {
+		entry.Message = v.(string)
+		delete(raw, "@message")
+	}
+
+	if v, ok := raw["@level"]; ok {
+		entry.Level = v.(string)
+		delete(raw, "@level")
+	}
+
+	if v, ok := raw["@timestamp"]; ok {
+		t, err := time.Parse("2006-01-02T15:04:05.000000Z07:00", v.(string))
+		if err != nil {
+			return nil, err
+		}
+		entry.Timestamp = t
+		delete(raw, "@timestamp")
+	}
+
+	// Parse dynamic KV args from the hclog payload.
+	for k, v := range raw {
+		entry.KVPairs = append(entry.KVPairs, &logEntryKV{
+			Key:   k,
+			Value: v,
+		})
+	}
+
+	return entry, nil
+}