PID and StartTime are now available as templates to use in

defining a groupname.

common.go

@@ -1,12 +1,17 @@
 package common
 
-import "fmt"
+import (
+	"fmt"
+	"time"
+)
 
 type (
 	ProcAttributes struct {
-		Name     string
-		Cmdline  []string
-		Username string
+		Name      string
+		Cmdline   []string
+		Username  string
+		PID       int
+		StartTime time.Time
 	}
 
 	MatchNamer interface {

config/config.go

@@ -9,6 +9,7 @@ import (
 	"regexp"
 	"strings"
 	"text/template"
+	"time"
 
 	common "github.com/ncabatoff/process-exporter"
 	"gopkg.in/yaml.v2"
@@ -53,11 +54,13 @@ type (
 	}
 
 	templateParams struct {
-		Comm     string
-		ExeBase  string
-		ExeFull  string
-		Username string
-		Matches  map[string]string
+		Comm      string
+		ExeBase   string
+		ExeFull   string
+		Username  string
+		PID       int
+		StartTime time.Time
+		Matches   map[string]string
 	}
 )
 
@@ -117,11 +120,13 @@ func (m *matchNamer) MatchAndName(nacl common.ProcAttributes) (bool, string) {
 
 	var buf bytes.Buffer
 	m.template.Execute(&buf, &templateParams{
-		Comm:     nacl.Name,
-		ExeBase:  exebase,
-		ExeFull:  exefull,
-		Matches:  matches,
-		Username: nacl.Username,
+		Comm:      nacl.Name,
+		ExeBase:   exebase,
+		ExeFull:   exefull,
+		Matches:   matches,
+		Username:  nacl.Username,
+		PID:       nacl.PID,
+		StartTime: nacl.StartTime,
 	})
 	return true, buf.String()
 }

config/config_test.go

@@ -4,6 +4,7 @@ import (
 	// "github.com/kylelemons/godebug/pretty"
 	common "github.com/ncabatoff/process-exporter"
 	. "gopkg.in/check.v1"
+	"time"
 )
 
 func (s MySuite) TestConfigBasic(c *C) {
@@ -59,19 +60,36 @@ process_names:
     name: "{{.ExeBase}}:{{.Matches.Path}}"
   - exe: 
     - prometheus
-    name: "{{.ExeFull}}"
+    name: "{{.ExeFull}}:{{.PID}}"
+  - comm:
+    - cat
+    name: "{{.StartTime}}"
 `
 	cfg, err := GetConfig(yml, false)
 	c.Assert(err, IsNil)
-	c.Check(cfg.MatchNamers.matchers, HasLen, 2)
+	c.Check(cfg.MatchNamers.matchers, HasLen, 3)
 
 	postgres := common.ProcAttributes{Name: "postmaster", Cmdline: []string{"/usr/bin/postmaster", "-D", "/data/pg"}}
 	found, name := cfg.MatchNamers.matchers[0].MatchAndName(postgres)
 	c.Check(found, Equals, true)
 	c.Check(name, Equals, "postmaster:pg")
 
-	pm := common.ProcAttributes{Name: "prometheus", Cmdline: []string{"/usr/local/bin/prometheus"}}
+	pm := common.ProcAttributes{
+		Name:    "prometheus",
+		Cmdline: []string{"/usr/local/bin/prometheus"},
+		PID:     23,
+	}
 	found, name = cfg.MatchNamers.matchers[1].MatchAndName(pm)
 	c.Check(found, Equals, true)
-	c.Check(name, Equals, "/usr/local/bin/prometheus")
+	c.Check(name, Equals, "/usr/local/bin/prometheus:23")
+
+	now := time.Now()
+	cat := common.ProcAttributes{
+		Name:      "cat",
+		Cmdline:   []string{"/bin/cat"},
+		StartTime: now,
+	}
+	found, name = cfg.MatchNamers.matchers[2].MatchAndName(cat)
+	c.Check(found, Equals, true)
+	c.Check(name, Equals, now.String())
 }

proc/tracker.go

@@ -406,9 +406,11 @@ func (t *Tracker) Update(iter Iter) (CollectErrors, []Update, error) {
 	untracked := make(map[ID]IDInfo)
 	for _, idinfo := range newProcs {
 		nacl := common.ProcAttributes{
-			Name:     idinfo.Name,
-			Cmdline:  idinfo.Cmdline,
-			Username: t.lookupUid(idinfo.EffectiveUID),
+			Name:      idinfo.Name,
+			Cmdline:   idinfo.Cmdline,
+			Username:  t.lookupUid(idinfo.EffectiveUID),
+			PID:       idinfo.Pid,
+			StartTime: idinfo.StartTime,
 		}
 		wanted, gname := t.namer.MatchAndName(nacl)
 		if wanted {