217 lines
7.1 KiB
Go
217 lines
7.1 KiB
Go
package fingerprint
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"strings"
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"testing"
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"github.com/hashicorp/nomad/client/config"
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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func TestGCEFingerprint_nonGCE(t *testing.T) {
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os.Setenv("GCE_ENV_URL", "http://127.0.0.1/computeMetadata/v1/instance/")
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f := NewEnvGCEFingerprint(testlog.HCLogger(t))
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
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var response cstructs.FingerprintResponse
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err := f.Fingerprint(request, &response)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if response.Detected {
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t.Fatalf("expected response to not be applicable")
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}
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if len(response.Attributes) > 0 {
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t.Fatalf("Should have zero attributes without test server")
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}
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}
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func testFingerprint_GCE(t *testing.T, withExternalIp bool) {
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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// configure mock server with fixture routes, data
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routes := routes{}
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if err := json.Unmarshal([]byte(GCE_routes), &routes); err != nil {
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t.Fatalf("Failed to unmarshal JSON in GCE ENV test: %s", err)
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}
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networkEndpoint := &endpoint{
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Uri: "/computeMetadata/v1/instance/network-interfaces/?recursive=true",
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ContentType: "application/json",
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}
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if withExternalIp {
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networkEndpoint.Body = `[{"accessConfigs":[{"externalIp":"104.44.55.66","type":"ONE_TO_ONE_NAT"},{"externalIp":"104.44.55.67","type":"ONE_TO_ONE_NAT"}],"forwardedIps":[],"ip":"10.240.0.5","network":"projects/555555/networks/default"}]`
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} else {
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networkEndpoint.Body = `[{"accessConfigs":[],"forwardedIps":[],"ip":"10.240.0.5","network":"projects/555555/networks/default"}]`
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}
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routes.Endpoints = append(routes.Endpoints, networkEndpoint)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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value, ok := r.Header["Metadata-Flavor"]
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if !ok {
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t.Fatal("Metadata-Flavor not present in HTTP request header")
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}
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if value[0] != "Google" {
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t.Fatalf("Expected Metadata-Flavor Google, saw %s", value[0])
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}
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uavalue, ok := r.Header["User-Agent"]
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if !ok {
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t.Fatal("User-Agent not present in HTTP request header")
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}
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if !strings.Contains(uavalue[0], "Nomad/") {
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t.Fatalf("Expected User-Agent to contain Nomad/, got %s", uavalue[0])
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}
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found := false
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for _, e := range routes.Endpoints {
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if r.RequestURI == e.Uri {
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w.Header().Set("Content-Type", e.ContentType)
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fmt.Fprintln(w, e.Body)
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}
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found = true
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}
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if !found {
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w.WriteHeader(404)
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}
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}))
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defer ts.Close()
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os.Setenv("GCE_ENV_URL", ts.URL+"/computeMetadata/v1/instance/")
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f := NewEnvGCEFingerprint(testlog.HCLogger(t))
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request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
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var response cstructs.FingerprintResponse
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err := f.Fingerprint(request, &response)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !response.Detected {
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t.Fatalf("expected response to be applicable")
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}
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keys := []string{
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"unique.platform.gce.id",
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"unique.platform.gce.hostname",
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"platform.gce.zone",
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"platform.gce.machine-type",
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"platform.gce.zone",
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"platform.gce.tag.abc",
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"platform.gce.tag.def",
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"unique.platform.gce.tag.foo",
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"platform.gce.attr.ghi",
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"platform.gce.attr.jkl",
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"unique.platform.gce.attr.bar",
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}
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for _, k := range keys {
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assertNodeAttributeContains(t, response.Attributes, k)
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}
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if len(response.Links) == 0 {
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t.Fatalf("Empty links for Node in GCE Fingerprint test")
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}
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// Make sure Links contains the GCE ID.
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for _, k := range []string{"gce"} {
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assertNodeLinksContains(t, response.Links, k)
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}
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.id", "12345")
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.hostname", "instance-1.c.project.internal")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.zone", "us-central1-f")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.machine-type", "n1-standard-1")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.network.default", "true")
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.ip", "10.240.0.5")
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if withExternalIp {
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.external-ip.0", "104.44.55.66")
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.external-ip.1", "104.44.55.67")
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} else if _, ok := response.Attributes["unique.platform.gce.network.default.external-ip.0"]; ok {
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t.Fatal("unique.platform.gce.network.default.external-ip is set without an external IP")
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}
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.scheduling.automatic-restart", "TRUE")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.scheduling.on-host-maintenance", "MIGRATE")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.cpu-platform", "Intel Ivy Bridge")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.tag.abc", "true")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.tag.def", "true")
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.tag.foo", "true")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.attr.ghi", "111")
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assertNodeAttributeEquals(t, response.Attributes, "platform.gce.attr.jkl", "222")
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assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.attr.bar", "333")
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}
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const GCE_routes = `
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{
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"endpoints": [
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{
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"uri": "/computeMetadata/v1/instance/id",
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"content-type": "text/plain",
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"body": "12345"
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},
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{
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"uri": "/computeMetadata/v1/instance/hostname",
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"content-type": "text/plain",
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"body": "instance-1.c.project.internal"
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},
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{
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"uri": "/computeMetadata/v1/instance/zone",
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"content-type": "text/plain",
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"body": "projects/555555/zones/us-central1-f"
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},
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{
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"uri": "/computeMetadata/v1/instance/machine-type",
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"content-type": "text/plain",
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"body": "projects/555555/machineTypes/n1-standard-1"
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},
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{
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"uri": "/computeMetadata/v1/instance/tags",
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"content-type": "application/json",
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"body": "[\"abc\", \"def\", \"unique.foo\"]"
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},
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{
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"uri": "/computeMetadata/v1/instance/attributes/?recursive=true",
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"content-type": "application/json",
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"body": "{\"ghi\":\"111\",\"jkl\":\"222\",\"unique.bar\":\"333\"}"
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},
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{
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"uri": "/computeMetadata/v1/instance/scheduling/automatic-restart",
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"content-type": "text/plain",
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"body": "TRUE"
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},
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{
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"uri": "/computeMetadata/v1/instance/scheduling/on-host-maintenance",
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"content-type": "text/plain",
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"body": "MIGRATE"
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},
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{
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"uri": "/computeMetadata/v1/instance/cpu-platform",
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"content-type": "text/plain",
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"body": "Intel Ivy Bridge"
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}
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]
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}
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`
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func TestFingerprint_GCEWithExternalIp(t *testing.T) {
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testFingerprint_GCE(t, true)
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}
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func TestFingerprint_GCEWithoutExternalIp(t *testing.T) {
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testFingerprint_GCE(t, false)
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}
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