open-nomad/client/fingerprint/env_aws_test.go

148 lines
3.4 KiB
Go

package fingerprint
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/hashicorp/nomad/client/config"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestEnvAWSFingerprint_nonAws(t *testing.T) {
f := NewEnvAWSFingerprint(testLogger())
node := &structs.Node{
Attributes: make(map[string]string),
}
ok, err := f.Fingerprint(&config.Config{}, node)
if err != nil {
t.Fatalf("err: %v", err)
}
if ok {
t.Fatalf("Should be false without test server")
}
}
func TestEnvAWSFingerprint_aws(t *testing.T) {
f := NewEnvAWSFingerprint(testLogger())
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/")
ok, err := f.Fingerprint(&config.Config{}, node)
if err != nil {
t.Fatalf("err: %v", err)
}
if !ok {
t.Fatalf("Expected AWS attributes and Links")
}
keys := []string{
"platform.aws.ami-id",
"platform.aws.hostname",
"platform.aws.instance-id",
"platform.aws.instance-type",
"platform.aws.local-hostname",
"platform.aws.local-ipv4",
"platform.aws.public-hostname",
"platform.aws.public-ipv4",
"platform.aws.placement.availability-zone",
}
for _, k := range keys {
assertNodeAttributeContains(t, node, k)
}
if len(node.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, node, 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.large"
},
{
"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"
}
]
}
`