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don't render any metrics/metadata for uncontained node
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@paulbellamy
paulbellamy committed Feb 11, 2016
1 parent 05d4ce0 commit 8c4f025
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Showing 2 changed files with 42 additions and 24 deletions.
4 changes: 3 additions & 1 deletion render/mapping.go
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Original file line number Diff line number Diff line change
Expand Up @@ -441,8 +441,10 @@ func MapProcess2Container(n RenderableNode, _ report.Networks) RenderableNodes {
id = MakeContainerID(containerID)
node = NewDerivedNode(id, n)
} else {
nCopy := n.Copy()
nCopy.Node = nCopy.Node.WithID("").WithTopology("") // Wipe the ID so it cannot be rendered.
id = MakePseudoNodeID(UncontainedID, hostID)
node = newDerivedPseudoNode(id, UncontainedMajor, n)
node = newDerivedPseudoNode(id, UncontainedMajor, nCopy)
node.LabelMinor = hostID
}

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62 changes: 39 additions & 23 deletions render/mapping_test.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package render_test

import (
"fmt"
"net"
"testing"

Expand All @@ -18,82 +19,93 @@ func nrn(nmd report.Node) render.RenderableNode {

func TestMapEndpointIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Procspied: "true"})), false},
{nrn(report.MakeNodeWith(map[string]string{endpoint.Port: "1234", endpoint.Procspied: "true"})), false},
{nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Port: "1234", endpoint.Procspied: "true"})), true},
{nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Port: "40000", endpoint.Procspied: "true"})), true},
{nrn(report.MakeNodeWith(map[string]string{report.HostNodeID: report.MakeHostNodeID("foo"), endpoint.Addr: "10.0.0.1", endpoint.Port: "20001", endpoint.Procspied: "true"})), true},
{"empty", nrn(report.MakeNode()), false},
{"", nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Procspied: "true"})), false},
{"", nrn(report.MakeNodeWith(map[string]string{endpoint.Port: "1234", endpoint.Procspied: "true"})), false},
{"", nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Port: "1234", endpoint.Procspied: "true"})), true},
{"", nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "1.2.3.4", endpoint.Port: "40000", endpoint.Procspied: "true"})), true},
{"", nrn(report.MakeNodeWith(map[string]string{report.HostNodeID: report.MakeHostNodeID("foo"), endpoint.Addr: "10.0.0.1", endpoint.Port: "20001", endpoint.Procspied: "true"})), true},
} {
testMap(t, render.MapEndpointIdentity, input)
}
}

func TestMapProcessIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{process.PID: "201"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic process", nrn(report.MakeNodeWith(map[string]string{process.PID: "201"})), true},
} {
testMap(t, render.MapProcessIdentity, input)
}
}

func TestMapProcess2Container(t *testing.T) {
for _, input := range []testcase{
{"empty", nrn(report.MakeNode()), true},
{"basic process", nrn(report.MakeNodeWith(map[string]string{process.PID: "201", docker.ContainerID: "a1b2c3"})), true},
{"uncontained", nrn(report.MakeNodeWith(map[string]string{process.PID: "201", report.HostNodeID: report.MakeHostNodeID("foo")})), true},
} {
testMap(t, render.MapProcess2Container, input)
}
}

func TestMapContainerIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{docker.ContainerID: "a1b2c3"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic container", nrn(report.MakeNodeWith(map[string]string{docker.ContainerID: "a1b2c3"})), true},
} {
testMap(t, render.MapContainerIdentity, input)
}
}

func TestMapContainerImageIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{docker.ImageID: "a1b2c3"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic image", nrn(report.MakeNodeWith(map[string]string{docker.ImageID: "a1b2c3"})), true},
} {
testMap(t, render.MapContainerImageIdentity, input)
}
}

func TestMapAddressIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "192.168.1.1"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic address", nrn(report.MakeNodeWith(map[string]string{endpoint.Addr: "192.168.1.1"})), true},
} {
testMap(t, render.MapAddressIdentity, input)
}
}

func TestMapHostIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), true}, // TODO it's questionable if this is actually correct
{"empty", nrn(report.MakeNode()), true}, // TODO it's questionable if this is actually correct
} {
testMap(t, render.MapHostIdentity, input)
}
}

func TestMapPodIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{kubernetes.PodID: "ping/pong", kubernetes.PodName: "pong"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic pod", nrn(report.MakeNodeWith(map[string]string{kubernetes.PodID: "ping/pong", kubernetes.PodName: "pong"})), true},
} {
testMap(t, render.MapPodIdentity, input)
}
}

func TestMapServiceIdentity(t *testing.T) {
for _, input := range []testcase{
{nrn(report.MakeNode()), false},
{nrn(report.MakeNodeWith(map[string]string{kubernetes.ServiceID: "ping/pong", kubernetes.ServiceName: "pong"})), true},
{"empty", nrn(report.MakeNode()), false},
{"basic service", nrn(report.MakeNodeWith(map[string]string{kubernetes.ServiceID: "ping/pong", kubernetes.ServiceName: "pong"})), true},
} {
testMap(t, render.MapServiceIdentity, input)
}
}

type testcase struct {
md render.RenderableNode
ok bool
name string
n render.RenderableNode
ok bool
}

func testMap(t *testing.T, f render.MapFunc, input testcase) {
Expand All @@ -102,7 +114,11 @@ func testMap(t *testing.T, f render.MapFunc, input testcase) {
t.Fatalf(err.Error())
}
localNetworks := report.Networks([]*net.IPNet{ipNet})
if have := f(input.md, localNetworks); input.ok != (len(have) > 0) {
t.Errorf("%v: want %v, have %v", input.md, input.ok, have)
if have := f(input.n, localNetworks); input.ok != (len(have) > 0) {
name := input.name
if name == "" {
name = fmt.Sprintf("%v", input.n)
}
t.Errorf("%s: want %v, have %v", name, input.ok, have)
}
}

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