open-nomad/client/fingerprint/env_aws_test.go

317 lines
8.4 KiB
Go

package fingerprint
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/hashicorp/nomad/client/config"
cstructs "github.com/hashicorp/nomad/client/structs"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestEnvAWSFingerprint_nonAws(t *testing.T) {
os.Setenv("AWS_ENV_URL", "http://127.0.0.1/latest/meta-data/")
f := NewEnvAWSFingerprint(testlog.Logger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(response.Attributes) > 0 {
t.Fatalf("Should not apply")
}
}
func TestEnvAWSFingerprint_aws(t *testing.T) {
f := NewEnvAWSFingerprint(testlog.Logger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
// configure mock server with fixture routes, data
routes := routes{}
if err := json.Unmarshal([]byte(aws_routes), &routes); err != nil {
t.Fatalf("Failed to unmarshal JSON in AWS ENV test: %s", err)
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
for _, e := range routes.Endpoints {
if r.RequestURI == e.Uri {
w.Header().Set("Content-Type", e.ContentType)
fmt.Fprintln(w, e.Body)
}
}
}))
defer ts.Close()
os.Setenv("AWS_ENV_URL", ts.URL+"/latest/meta-data/")
request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
keys := []string{
"platform.aws.ami-id",
"unique.platform.aws.hostname",
"unique.platform.aws.instance-id",
"platform.aws.instance-type",
"unique.platform.aws.local-hostname",
"unique.platform.aws.local-ipv4",
"unique.platform.aws.public-hostname",
"unique.platform.aws.public-ipv4",
"platform.aws.placement.availability-zone",
"unique.network.ip-address",
}
for _, k := range keys {
assertNodeAttributeContains(t, response.Attributes, k)
}
if len(response.Links) == 0 {
t.Fatalf("Empty links for Node in AWS Fingerprint test")
}
// confirm we have at least instance-id and ami-id
for _, k := range []string{"aws.ec2"} {
assertNodeLinksContains(t, response.Links, k)
}
}
type routes struct {
Endpoints []*endpoint `json:"endpoints"`
}
type endpoint struct {
Uri string `json:"uri"`
ContentType string `json:"content-type"`
Body string `json:"body"`
}
const aws_routes = `
{
"endpoints": [
{
"uri": "/latest/meta-data/ami-id",
"content-type": "text/plain",
"body": "ami-1234"
},
{
"uri": "/latest/meta-data/hostname",
"content-type": "text/plain",
"body": "ip-10-0-0-207.us-west-2.compute.internal"
},
{
"uri": "/latest/meta-data/placement/availability-zone",
"content-type": "text/plain",
"body": "us-west-2a"
},
{
"uri": "/latest/meta-data/instance-id",
"content-type": "text/plain",
"body": "i-b3ba3875"
},
{
"uri": "/latest/meta-data/instance-type",
"content-type": "text/plain",
"body": "m3.2xlarge"
},
{
"uri": "/latest/meta-data/local-hostname",
"content-type": "text/plain",
"body": "ip-10-0-0-207.us-west-2.compute.internal"
},
{
"uri": "/latest/meta-data/local-ipv4",
"content-type": "text/plain",
"body": "10.0.0.207"
},
{
"uri": "/latest/meta-data/public-hostname",
"content-type": "text/plain",
"body": "ec2-54-191-117-175.us-west-2.compute.amazonaws.com"
},
{
"uri": "/latest/meta-data/public-ipv4",
"content-type": "text/plain",
"body": "54.191.117.175"
}
]
}
`
func TestNetworkFingerprint_AWS(t *testing.T) {
// configure mock server with fixture routes, data
routes := routes{}
if err := json.Unmarshal([]byte(aws_routes), &routes); err != nil {
t.Fatalf("Failed to unmarshal JSON in AWS ENV test: %s", err)
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
for _, e := range routes.Endpoints {
if r.RequestURI == e.Uri {
w.Header().Set("Content-Type", e.ContentType)
fmt.Fprintln(w, e.Body)
}
}
}))
defer ts.Close()
os.Setenv("AWS_ENV_URL", ts.URL+"/latest/meta-data/")
f := NewEnvAWSFingerprint(testlog.Logger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
assertNodeAttributeContains(t, response.Attributes, "unique.network.ip-address")
if response.NodeResources == nil || len(response.NodeResources.Networks) == 0 {
t.Fatal("Expected to find Network Resources")
}
// Test at least the first Network Resource
net := response.NodeResources.Networks[0]
if net.IP == "" {
t.Fatal("Expected Network Resource to have an IP")
}
if net.CIDR == "" {
t.Fatal("Expected Network Resource to have a CIDR")
}
if net.Device == "" {
t.Fatal("Expected Network Resource to have a Device Name")
}
}
func TestNetworkFingerprint_AWS_network(t *testing.T) {
// configure mock server with fixture routes, data
routes := routes{}
if err := json.Unmarshal([]byte(aws_routes), &routes); err != nil {
t.Fatalf("Failed to unmarshal JSON in AWS ENV test: %s", err)
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
for _, e := range routes.Endpoints {
if r.RequestURI == e.Uri {
w.Header().Set("Content-Type", e.ContentType)
fmt.Fprintln(w, e.Body)
}
}
}))
defer ts.Close()
os.Setenv("AWS_ENV_URL", ts.URL+"/latest/meta-data/")
f := NewEnvAWSFingerprint(testlog.Logger(t))
{
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if !response.Detected {
t.Fatalf("expected response to be applicable")
}
assertNodeAttributeContains(t, response.Attributes, "unique.network.ip-address")
if response.NodeResources == nil || len(response.NodeResources.Networks) == 0 {
t.Fatal("Expected to find Network Resources")
}
// Test at least the first Network Resource
net := response.NodeResources.Networks[0]
if net.IP == "" {
t.Fatal("Expected Network Resource to have an IP")
}
if net.CIDR == "" {
t.Fatal("Expected Network Resource to have a CIDR")
}
if net.Device == "" {
t.Fatal("Expected Network Resource to have a Device Name")
}
if net.MBits != 1000 {
t.Fatalf("Expected Network Resource to have speed %d; got %d", 1000, net.MBits)
}
}
// Try again this time setting a network speed in the config
{
node := &structs.Node{
Attributes: make(map[string]string),
}
cfg := &config.Config{
NetworkSpeed: 10,
}
request := &cstructs.FingerprintRequest{Config: cfg, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
assertNodeAttributeContains(t, response.Attributes, "unique.network.ip-address")
if response.NodeResources == nil || len(response.NodeResources.Networks) == 0 {
t.Fatal("Expected to find Network Resources")
}
// Test at least the first Network Resource
net := response.NodeResources.Networks[0]
if net.IP == "" {
t.Fatal("Expected Network Resource to have an IP")
}
if net.CIDR == "" {
t.Fatal("Expected Network Resource to have a CIDR")
}
if net.Device == "" {
t.Fatal("Expected Network Resource to have a Device Name")
}
if net.MBits != 10 {
t.Fatalf("Expected Network Resource to have speed %d; got %d", 10, net.MBits)
}
}
}
func TestNetworkFingerprint_notAWS(t *testing.T) {
os.Setenv("AWS_ENV_URL", "http://127.0.0.1/latest/meta-data/")
f := NewEnvAWSFingerprint(testlog.Logger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
var response cstructs.FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(response.Attributes) > 0 {
t.Fatalf("Should not apply")
}
}