open-nomad/client/fingerprint/env_gce_test.go

219 lines
7.0 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package fingerprint
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/hashicorp/nomad/client/config"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestGCEFingerprint_nonGCE(t *testing.T) {
t.Setenv("GCE_ENV_URL", "http://127.0.0.1/computeMetadata/v1/instance/")
f := NewEnvGCEFingerprint(testlog.HCLogger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &FingerprintRequest{Config: &config.Config{}, Node: node}
var response FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if response.Detected {
t.Fatalf("expected response to not be applicable")
}
if len(response.Attributes) > 0 {
t.Fatalf("Should have zero attributes without test server")
}
}
func testFingerprint_GCE(t *testing.T, withExternalIp bool) {
node := &structs.Node{
Attributes: make(map[string]string),
}
// configure mock server with fixture routes, data
routes := routes{}
if err := json.Unmarshal([]byte(GCE_routes), &routes); err != nil {
t.Fatalf("Failed to unmarshal JSON in GCE ENV test: %s", err)
}
networkEndpoint := &endpoint{
Uri: "/computeMetadata/v1/instance/network-interfaces/?recursive=true",
ContentType: "application/json",
}
if withExternalIp {
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"}]`
} else {
networkEndpoint.Body = `[{"accessConfigs":[],"forwardedIps":[],"ip":"10.240.0.5","network":"projects/555555/networks/default"}]`
}
routes.Endpoints = append(routes.Endpoints, networkEndpoint)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
value, ok := r.Header["Metadata-Flavor"]
if !ok {
t.Fatal("Metadata-Flavor not present in HTTP request header")
}
if value[0] != "Google" {
t.Fatalf("Expected Metadata-Flavor Google, saw %s", value[0])
}
uavalue, ok := r.Header["User-Agent"]
if !ok {
t.Fatal("User-Agent not present in HTTP request header")
}
if !strings.Contains(uavalue[0], "Nomad/") {
t.Fatalf("Expected User-Agent to contain Nomad/, got %s", uavalue[0])
}
found := false
for _, e := range routes.Endpoints {
if r.RequestURI == e.Uri {
w.Header().Set("Content-Type", e.ContentType)
fmt.Fprintln(w, e.Body)
}
found = true
}
if !found {
w.WriteHeader(404)
}
}))
defer ts.Close()
t.Setenv("GCE_ENV_URL", ts.URL+"/computeMetadata/v1/instance/")
f := NewEnvGCEFingerprint(testlog.HCLogger(t))
request := &FingerprintRequest{Config: &config.Config{}, Node: node}
var response FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if !response.Detected {
t.Fatalf("expected response to be applicable")
}
keys := []string{
"unique.platform.gce.id",
"unique.platform.gce.hostname",
"platform.gce.zone",
"platform.gce.machine-type",
"platform.gce.zone",
"platform.gce.tag.abc",
"platform.gce.tag.def",
"unique.platform.gce.tag.foo",
"platform.gce.attr.ghi",
"platform.gce.attr.jkl",
"unique.platform.gce.attr.bar",
}
for _, k := range keys {
assertNodeAttributeContains(t, response.Attributes, k)
}
if len(response.Links) == 0 {
t.Fatalf("Empty links for Node in GCE Fingerprint test")
}
// Make sure Links contains the GCE ID.
for _, k := range []string{"gce"} {
assertNodeLinksContains(t, response.Links, k)
}
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.id", "12345")
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.hostname", "instance-1.c.project.internal")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.zone", "us-central1-f")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.machine-type", "n1-standard-1")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.network.default", "true")
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.ip", "10.240.0.5")
if withExternalIp {
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.external-ip.0", "104.44.55.66")
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.network.default.external-ip.1", "104.44.55.67")
} else if _, ok := response.Attributes["unique.platform.gce.network.default.external-ip.0"]; ok {
t.Fatal("unique.platform.gce.network.default.external-ip is set without an external IP")
}
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.scheduling.automatic-restart", "TRUE")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.scheduling.on-host-maintenance", "MIGRATE")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.cpu-platform", "Intel Ivy Bridge")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.tag.abc", "true")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.tag.def", "true")
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.tag.foo", "true")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.attr.ghi", "111")
assertNodeAttributeEquals(t, response.Attributes, "platform.gce.attr.jkl", "222")
assertNodeAttributeEquals(t, response.Attributes, "unique.platform.gce.attr.bar", "333")
}
const GCE_routes = `
{
"endpoints": [
{
"uri": "/computeMetadata/v1/instance/id",
"content-type": "text/plain",
"body": "12345"
},
{
"uri": "/computeMetadata/v1/instance/hostname",
"content-type": "text/plain",
"body": "instance-1.c.project.internal"
},
{
"uri": "/computeMetadata/v1/instance/zone",
"content-type": "text/plain",
"body": "projects/555555/zones/us-central1-f"
},
{
"uri": "/computeMetadata/v1/instance/machine-type",
"content-type": "text/plain",
"body": "projects/555555/machineTypes/n1-standard-1"
},
{
"uri": "/computeMetadata/v1/instance/tags",
"content-type": "application/json",
"body": "[\"abc\", \"def\", \"unique.foo\"]"
},
{
"uri": "/computeMetadata/v1/instance/attributes/?recursive=true",
"content-type": "application/json",
"body": "{\"ghi\":\"111\",\"jkl\":\"222\",\"unique.bar\":\"333\"}"
},
{
"uri": "/computeMetadata/v1/instance/scheduling/automatic-restart",
"content-type": "text/plain",
"body": "TRUE"
},
{
"uri": "/computeMetadata/v1/instance/scheduling/on-host-maintenance",
"content-type": "text/plain",
"body": "MIGRATE"
},
{
"uri": "/computeMetadata/v1/instance/cpu-platform",
"content-type": "text/plain",
"body": "Intel Ivy Bridge"
}
]
}
`
func TestFingerprint_GCEWithExternalIp(t *testing.T) {
testFingerprint_GCE(t, true)
}
func TestFingerprint_GCEWithoutExternalIp(t *testing.T) {
testFingerprint_GCE(t, false)
}