func TestRetrievesDataFromEC2(t *testing.T) {
Convey("Given an EC2 meta-data service", t, func() {
// mock EC2 metadata server
server := NewMockServer(func(w http.ResponseWriter, r *http.Request) {
attributes := map[string]string{
"hostname": "centos.ec2",
"local-ipv4": "10.240.51.29",
"public-ipv4": "104.155.21.99",
"public-keys/0/openssh-key": "ssh-rsa OPENSSH_KEY",
}
if strings.Contains(r.URL.String(), "/2009-04-04/meta-data/") {
for attr, value := range attributes {
if strings.HasSuffix(r.URL.String(), attr) {
w.Write([]byte(value))
}
}
} else if strings.HasSuffix(r.URL.String(), "/2009-04-04/user-data") {
w.Write([]byte("#cloud-config\n"))
} else {
http.Error(w, "requested resource is not found", http.StatusNotFound)
}
})
service := ec2.MetadataService{
URL: provider.FormatURL(server.URL + "/%v/%v/%v"),
}
Convey("It should retrieve meta-data from EC2 meta-data service", func() {
digest, err := service.FetchMetadata()
So(err, ShouldBeNil)
So(digest.Hostname, ShouldEqual, "centos.ec2")
ifc := digest.PrimaryNetworkInterface()
So(ifc.PublicIPs[0].String(), ShouldEqual, "104.155.21.99")
sshKeys := digest.SSHKeys
So(sshKeys["root"], ShouldConsistOf, ssh.Key("ssh-rsa OPENSSH_KEY"))
})
Convey("It should retrieve user-data from EC2 meta-data service", func() {
userdata, err := service.FetchUserdata()
So(err, ShouldBeNil)
So(userdata["user-data"], ShouldEqual, "#cloud-config\n")
})
})
}
func TestFetchsMetadata(t *testing.T) {
Convey("Given a list of datasources and a timeout duration", t, func() {
mockGCEServer := testutil.NewMockServer(func(w http.ResponseWriter, r *http.Request) {
var json_path string
if r.Header.Get("Metadata-Flavor") != "Google" {
http.Error(w, "metadata header is not found", http.StatusBadRequest)
return
}
testMetadataDir := "provider/gce/test_metadata"
if strings.Contains(r.URL.String(), "project") {
json_path = filepath.Join(testMetadataDir, "GCEv1_project.json")
} else if strings.Contains(r.URL.String(), "instance") {
json_path = filepath.Join(testMetadataDir, "GCEv1_instance.json")
} else {
http.Error(w, "requested resource is not found", http.StatusNotFound)
return
}
buf, err := ioutil.ReadFile(json_path)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
w.Write(buf)
})
mockGCEProvider := &gce.MetadataService{
URL: provider.FormatURL(mockGCEServer.URL + "/%v/%v"),
}
mockDataSources := map[string]datasrc.Provider{
"gce": mockGCEProvider,
}
timeout := time.Millisecond * 500
Convey("It should find the available data source provider", func() {
provider, err := datasrc.FindProvider(mockDataSources, timeout)
So(err, ShouldBeNil)
So(provider, ShouldEqual, mockGCEProvider)
})
Convey("When datasources are unavailable it should timeout", func() {
_, err := datasrc.FindProvider(map[string]datasrc.Provider{}, 0*time.Second)
So(err, ShouldEqual, datasrc.ErrDatasourceRetrievalTimeout)
})
})
}
func TestGoogleComputeMetadataRetrieval(t *testing.T) {
Convey("Given a GCE meta-data service", t, func() {
// mock GCE metadata server
server := NewMockServer(func(w http.ResponseWriter, r *http.Request) {
var json_path string
if r.Header.Get("Metadata-Flavor") != "Google" {
http.Error(w, "metadata header is not found", http.StatusBadRequest)
return
}
if strings.Contains(r.URL.String(), "project") {
json_path = filepath.Join(testMetadataDir, "GCEv1_project.json")
} else if strings.Contains(r.URL.String(), "instance") {
json_path = filepath.Join(testMetadataDir, "GCEv1_instance.json")
} else {
http.Error(w, "requested resource is not found", http.StatusNotFound)
return
}
buf, err := ioutil.ReadFile(json_path)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
w.Write(buf)
})
service := gce.MetadataService{
URL: provider.FormatURL(server.URL + "/%v/%v"),
}
Convey("It should retrieve meta-data from GCE meta-data service", func() {
digest, err := service.FetchMetadata()
So(err, ShouldBeNil)
So(digest.Hostname, ShouldEqual, "centos.internal")
ifc := digest.PrimaryNetworkInterface()
So(ifc.PrivateIP.String(), ShouldEqual, "10.240.45.128")
So(ifc.PublicIPs[0].String(), ShouldEqual, "104.155.21.159")
So(ifc.PublicIPs[1].String(), ShouldEqual, "104.155.21.160")
sshKeys := digest.SSHKeys
So(sshKeys["user1"], ShouldConsistOf,
ssh.Key("ssh-rsa RSA_PUBLIC_KEY_FOR_USER_1 user1@machine"),
ssh.Key("ssh-dsa DSA_PUBLIC_KEY_FOR_USER_1 user1@machine"))
So(sshKeys["user2"], ShouldConsistOf,
ssh.Key("ssh-rsa RSA_PUBLIC_KEY_FOR_USER_2 user2@machine"))
})
Convey("It should retrieve user-data from GCE meta-data service", func() {
userdata, err := service.FetchUserdata()
So(err, ShouldBeNil)
So(userdata["user-data"], ShouldEqual, "#cloud-config\n")
})
})
}