add pod info to span tag (#98)

Author: sixther-dc

agent-core/src/main/java/cloud/erda/agent/core/config/ServiceConfig.java

@@ -68,6 +68,12 @@ public class ServiceConfig implements Config {
     @Configuration(name = "POD_IP")
     private String podIp;
 
+    @Configuration(name = "POD_NAME")
+    private String podName;
+
+    @Configuration(name = "DICE_NAMESPACE")
+    private String podNameSpace;
+
     @Configuration(name = "MONITOR_JVM_PROFILER_ID")
     private String jvmProfilerId;
 
@@ -90,6 +96,18 @@ public String getOrgName() {
         return orgName;
     }
 
+    public String getPodIP() {
+        return podIp;
+    }
+
+    public String getPodName() {
+        return podName;
+    }
+    
+    public String getPodNameSpace() {
+        return podNameSpace;
+    }   
+
     public String getProjectId() {
         return projectId;
     }

agent-core/src/main/java/cloud/erda/agent/core/tracing/span/SpanSerializer.java

@@ -55,6 +55,9 @@ public Metric[] serialize(Span span) {
         metric.addTag("runtime_id", serviceConfig.getRuntimeId());
         metric.addTag("org_id", serviceConfig.getOrgId());
         metric.addTag("org_name", serviceConfig.getOrgName());
+        metric.addTag("pod_ip", serviceConfig.getPodIP());
+        metric.addTag("pod_name", serviceConfig.getPodName());
+        metric.addTag("pod_namespace", serviceConfig.getPodNameSpace());
         metric.addTag("project_name", serviceConfig.getProjectName());
         metric.addTag("application_name", serviceConfig.getApplicationName());
         metric.addTag("workspace", serviceConfig.getWorkspace());