Jolokia plugin expects a URL now, instead of several parameters like "host" and "port".

CHANGELOG.md

@@ -42,6 +42,7 @@ consistent with the behavior of `collection_jitter`.
 
 ### Features
 
+- [#1632](https://github.com/influxdata/telegraf/pull/1632): Add HTTPS support in jolokia plugin. 
 - [#1413](https://github.com/influxdata/telegraf/issues/1413): Separate container_version from container_image tag.
 - [#1525](https://github.com/influxdata/telegraf/pull/1525): Support setting per-device and total metrics for Docker network and blockio.
 - [#1466](https://github.com/influxdata/telegraf/pull/1466): MongoDB input plugin: adding per DB stats from db.stats()

plugins/inputs/jolokia/README.md

@@ -24,6 +24,7 @@
     name = "as-server-01"
     host = "127.0.0.1"
     port = "8080"
+    https = false
     # username = "myuser"
     # password = "mypassword"
 

plugins/inputs/jolokia/jolokia.go

@@ -9,17 +9,16 @@ import (
 	"net/http"
 	"net/url"
 	"time"
-
+	"strings"
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs"
 )
 
 type Server struct {
 	Name     string
-	Host     string
+	Url      string
 	Username string
 	Password string
-	Port     string
 }
 
 type Metric struct {
@@ -61,15 +60,14 @@ const sampleConfig = `
   ## proxy address configurations.
   ## Remember to change host address to fit your environment.
   # [inputs.jolokia.proxy]
-  #   host = "127.0.0.1"
+  #   url = "127.0.0.1"
   #   port = "8080"
 
 
   ## List of servers exposing jolokia read service
   [[inputs.jolokia.servers]]
     name = "as-server-01"
-    host = "127.0.0.1"
-    port = "8080"
+    url = "https://as-server-01:8080
     # username = "myuser"
     # password = "mypassword"
 
@@ -165,8 +163,10 @@ func (j *Jolokia) prepareRequest(server Server, metric Metric) (*http.Request, e
 
 	// Add target, only in proxy mode
 	if j.Mode == "proxy" {
-		serviceUrl := fmt.Sprintf("service:jmx:rmi:///jndi/rmi://%s:%s/jmxrmi",
-			server.Host, server.Port)
+		serverUrlForScheme, err := url.Parse(server.Url)
+		replacedUrl := strings.Replace(server.Url, serverUrlForScheme.Scheme + "://", "", 1)
+
+		serviceUrl := fmt.Sprintf("service:jmx:rmi:///jndi/rmi://%s/jmxrmi", replacedUrl)
 
 		target := map[string]string{
 			"url": serviceUrl,
@@ -185,7 +185,7 @@ func (j *Jolokia) prepareRequest(server Server, metric Metric) (*http.Request, e
 		proxy := j.Proxy
 
 		// Prepare ProxyURL
-		proxyUrl, err := url.Parse("http://" + proxy.Host + ":" + proxy.Port + context)
+		proxyUrl, err := url.Parse(proxy.Url + context)
 		if err != nil {
 			return nil, err
 		}
@@ -196,7 +196,7 @@ func (j *Jolokia) prepareRequest(server Server, metric Metric) (*http.Request, e
 		jolokiaUrl = proxyUrl
 
 	} else {
-		serverUrl, err := url.Parse("http://" + server.Host + ":" + server.Port + context)
+		serverUrl, err := url.Parse(server.Url + context)
 		if err != nil {
 			return nil, err
 		}
@@ -227,8 +227,7 @@ func (j *Jolokia) Gather(acc telegraf.Accumulator) error {
 
 	for _, server := range servers {
 		tags["jolokia_name"] = server.Name
-		tags["jolokia_port"] = server.Port
-		tags["jolokia_host"] = server.Host
+		tags["jolokia_url"] = server.Url
 		fields := make(map[string]interface{})
 
 		for _, metric := range metrics {

plugins/inputs/jolokia/jolokia_test.go

@@ -46,7 +46,7 @@ const invalidJSON = "I don't think this is JSON"
 
 const empty = ""
 
-var Servers = []Server{Server{Name: "as1", Host: "127.0.0.1", Port: "8080"}}
+var Servers = []Server{Server{Name: "as1", Url: "127.0.0.1:8080"}}
 var HeapMetric = Metric{Name: "heap_memory_usage",
 	Mbean: "java.lang:type=Memory", Attribute: "HeapMemoryUsage"}
 var UsedHeapMetric = Metric{Name: "heap_memory_usage",
@@ -96,8 +96,7 @@ func TestHttpJsonMultiValue(t *testing.T) {
 		"heap_memory_usage_used":      203288528.0,
 	}
 	tags := map[string]string{
-		"jolokia_host": "127.0.0.1",
-		"jolokia_port": "8080",
+		"jolokia_url": "127.0.0.1:8080",
 		"jolokia_name": "as1",
 	}
 	acc.AssertContainsTaggedFields(t, "jolokia", fields, tags)