Files
fission-src/controller/api_test.go
T
Erwin van EykandSoam Vasani 70a93a7302 Add Container object to environment build and runtime specs (#413)
Environment Specs so far had only an image URL to specify a container image.

This was fine for public images but fell short in a few of cases:
(a) Using private image registries
(b) Specifying environment variables (this is needed for workflows helm install)
(c) Setting a SecurityContext for the container

This change adds the Container object to both build and runtime Environments. 

Compatibility is preserved -- the existing ImageURL field is still used.  See the comments in types.go for the overriding rules in the case that both Container and ImageURL are specified.
2018-03-22 00:13:02 -07:00

356 lines
9.3 KiB
Go

/*
Copyright 2016 The Fission Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"flag"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"reflect"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/pkg/api/v1"
"github.com/fission/fission"
"github.com/fission/fission/controller/client"
"github.com/fission/fission/crd"
)
var g struct {
client *client.Client
}
func panicIf(err error) {
if err != nil {
log.Panicf("err: %v", err)
}
}
func assert(c bool, msg string) {
if !c {
log.Fatalf("assert failed: %v", msg)
}
}
func assertNameReuseFailure(err error, name string) {
assert(err != nil, "recreating "+name+" with same name must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
assert(fe.Code == fission.ErrorNameExists, "error must be a name exists error")
}
func assertNotFoundFailure(err error, name string) {
assert(err != nil, "requesting a non-existent "+name+" must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
if fe.Code != fission.ErrorNotFound {
log.Fatalf("error must be a not found error: %v", fe)
}
}
func assertCronSpecFails(err error) {
assert(err != nil, "using an invalid cron spec must fail")
fe, ok := err.(fission.Error)
assert(ok, "error must be a fission Error")
assert(fe.Code == fission.ErrorInvalidArgument, "error must be a invalid argument error")
}
func TestFunctionApi(t *testing.T) {
testFunc := &crd.Function{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.FunctionSpec{
Environment: fission.EnvironmentReference{
Name: "nodejs",
},
Package: fission.FunctionPackageRef{
FunctionName: "xxx",
},
},
}
_, err := g.client.FunctionGet(&metav1.ObjectMeta{
Name: testFunc.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "function")
m, err := g.client.FunctionCreate(testFunc)
panicIf(err)
defer func() {
err := g.client.FunctionDelete(m)
panicIf(err)
}()
_, err = g.client.FunctionCreate(testFunc)
assertNameReuseFailure(err, "function")
testFunc.Metadata.ResourceVersion = m.ResourceVersion
testFunc.Spec.Package.FunctionName = "yyy"
_, err = g.client.FunctionUpdate(testFunc)
panicIf(err)
testFunc.Metadata.ResourceVersion = ""
testFunc.Metadata.Name = "bar"
m2, err := g.client.FunctionCreate(testFunc)
panicIf(err)
defer g.client.FunctionDelete(m2)
funcs, err := g.client.FunctionList()
panicIf(err)
assert(len(funcs) == 2, fmt.Sprintf("created two functions, but found %v", len(funcs)))
funcs_url := g.client.Url + "/v2/functions"
resp, err := http.Get(funcs_url)
panicIf(err)
defer resp.Body.Close()
assert(resp.StatusCode == 200, "http get status code on /v1/functions")
var found bool = false
for _, b := range resp.Header["Content-Type"] {
if b == "application/json; charset=utf-8" {
found = true
}
}
assert(found, "incorrect response content type")
}
func TestHTTPTriggerApi(t *testing.T) {
testTrigger := &crd.HTTPTrigger{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.HTTPTriggerSpec{
RelativeURL: "/hello",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "foo",
},
},
}
_, err := g.client.HTTPTriggerGet(&metav1.ObjectMeta{
Name: testTrigger.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "httptrigger")
m, err := g.client.HTTPTriggerCreate(testTrigger)
panicIf(err)
defer g.client.HTTPTriggerDelete(m)
_, err = g.client.HTTPTriggerCreate(testTrigger)
assertNameReuseFailure(err, "httptrigger")
tr, err := g.client.HTTPTriggerGet(m)
panicIf(err)
assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
testTrigger.Metadata.ResourceVersion = m.ResourceVersion
testTrigger.Spec.RelativeURL = "/hi"
_, err = g.client.HTTPTriggerUpdate(testTrigger)
panicIf(err)
testTrigger.Metadata.ResourceVersion = ""
testTrigger.Metadata.Name = "yyy"
_, err = g.client.HTTPTriggerCreate(testTrigger)
assert(err != nil, "duplicate trigger should not be allowed")
testTrigger.Spec.RelativeURL = "/hi2"
m2, err := g.client.HTTPTriggerCreate(testTrigger)
panicIf(err)
defer g.client.HTTPTriggerDelete(m2)
ts, err := g.client.HTTPTriggerList()
panicIf(err)
assert(len(ts) == 2, fmt.Sprintf("created two triggers, but found %v", len(ts)))
}
func TestEnvironmentApi(t *testing.T) {
testEnv := &crd.Environment{
Metadata: metav1.ObjectMeta{
Name: "foo",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.EnvironmentSpec{
Runtime: fission.Runtime{
Image: "gcr.io/xyz",
},
Resources: v1.ResourceRequirements{},
},
}
_, err := g.client.EnvironmentGet(&metav1.ObjectMeta{
Name: testEnv.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "environment")
m, err := g.client.EnvironmentCreate(testEnv)
panicIf(err)
defer g.client.EnvironmentDelete(m)
_, err = g.client.EnvironmentCreate(testEnv)
assertNameReuseFailure(err, "environment")
e, err := g.client.EnvironmentGet(m)
panicIf(err)
assert(reflect.DeepEqual(testEnv.Spec, e.Spec), "env should match after reading")
testEnv.Metadata.ResourceVersion = m.ResourceVersion
testEnv.Spec.Runtime.Image = "another-img"
_, err = g.client.EnvironmentUpdate(testEnv)
panicIf(err)
testEnv.Metadata.ResourceVersion = ""
testEnv.Metadata.Name = "bar"
m2, err := g.client.EnvironmentCreate(testEnv)
panicIf(err)
defer g.client.EnvironmentDelete(m2)
ts, err := g.client.EnvironmentList()
panicIf(err)
assert(len(ts) == 2, fmt.Sprintf("created two envs, but found %v", len(ts)))
}
func TestWatchApi(t *testing.T) {
testWatch := &crd.KubernetesWatchTrigger{
Metadata: metav1.ObjectMeta{
Name: "xxx",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.KubernetesWatchTriggerSpec{
Namespace: "default",
Type: "pod",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "foo",
},
},
}
_, err := g.client.WatchGet(&metav1.ObjectMeta{
Name: testWatch.Metadata.Name,
Namespace: metav1.NamespaceDefault,
})
assertNotFoundFailure(err, "watch")
m, err := g.client.WatchCreate(testWatch)
panicIf(err)
defer g.client.WatchDelete(m)
_, err = g.client.WatchCreate(testWatch)
assertNameReuseFailure(err, "watch")
w, err := g.client.WatchGet(m)
panicIf(err)
assert(testWatch.Spec.Namespace == w.Spec.Namespace &&
testWatch.Spec.Type == w.Spec.Type &&
testWatch.Spec.FunctionReference == w.Spec.FunctionReference, "watch should match after reading")
testWatch.Metadata.Name = "yyy"
m2, err := g.client.WatchCreate(testWatch)
panicIf(err)
defer g.client.WatchDelete(m2)
ws, err := g.client.WatchList()
panicIf(err)
assert(len(ws) == 2, fmt.Sprintf("created two watches, but found %v", len(ws)))
}
func TestTimeTriggerApi(t *testing.T) {
testTrigger := &crd.TimeTrigger{
Metadata: metav1.ObjectMeta{
Name: "xxx",
Namespace: metav1.NamespaceDefault,
},
Spec: fission.TimeTriggerSpec{
Cron: "0 30 * * * *",
FunctionReference: fission.FunctionReference{
Type: fission.FunctionReferenceTypeFunctionName,
Name: "asdf",
},
},
}
_, err := g.client.TimeTriggerGet(&metav1.ObjectMeta{Name: testTrigger.Metadata.Name})
assertNotFoundFailure(err, "trigger")
m, err := g.client.TimeTriggerCreate(testTrigger)
panicIf(err)
defer g.client.TimeTriggerDelete(m)
_, err = g.client.TimeTriggerCreate(testTrigger)
assertNameReuseFailure(err, "trigger")
tr, err := g.client.TimeTriggerGet(m)
panicIf(err)
assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
testTrigger.Metadata.ResourceVersion = m.ResourceVersion
testTrigger.Spec.Cron = "@hourly"
_, err = g.client.TimeTriggerUpdate(testTrigger)
panicIf(err)
testTrigger.Metadata.ResourceVersion = ""
testTrigger.Metadata.Name = "yyy"
testTrigger.Spec.Cron = "Not valid cron spec"
_, err = g.client.TimeTriggerCreate(testTrigger)
assertCronSpecFails(err)
ts, err := g.client.TimeTriggerList()
panicIf(err)
assert(len(ts) == 1, fmt.Sprintf("created two time triggers, but found %v", len(ts)))
}
func TestMain(m *testing.M) {
flag.Parse()
// skip test if no cluster available for testing
kubeconfig := os.Getenv("KUBECONFIG")
if len(kubeconfig) == 0 {
log.Println("Skipping test, no kubernetes cluster")
return
}
go Start(8888)
time.Sleep(5 * time.Second)
g.client = client.MakeClient("http://localhost:8888")
resp, err := http.Get("http://localhost:8888/")
panicIf(err)
assert(resp.StatusCode == 200, "http get status code on root")
var found bool = false
for _, b := range resp.Header["Content-Type"] {
if b == "application/json; charset=utf-8" {
found = true
}
}
assert(found, "incorrect response content type")
_, err = ioutil.ReadAll(resp.Body)
panicIf(err)
os.Exit(m.Run())
}