Soam VasaniandGitHub
6f017cf400
Split out the Package type into a first class Kubernetes resource. Before this change, packages were implicitly tied to functions. This wasn't ideal because: * Functions will need to share packages * A package storage system may be more generally useful than just functions (for example, for storing static assets) This change does the following: * Updates the fission and tpr types to add a new Package and PackageSpec. It also creates a PackageRef type, and a FunctionPackageRef type. The PackageRef simply references a package, but the FunctionPackageRef includes the name of a function within the package. This allows us to share packages between different functions. * Updates fetcher and other components for first-class packages * Allows customization of fetcher image pull policy in the helm charts
345 lines
8.8 KiB
Go
345 lines
8.8 KiB
Go
/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"flag"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"testing"
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"time"
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"k8s.io/client-go/1.5/pkg/api"
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"github.com/fission/fission"
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"github.com/fission/fission/controller/client"
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"github.com/fission/fission/tpr"
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)
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var g struct {
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client *client.Client
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}
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func panicIf(err error) {
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if err != nil {
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log.Panicf("err: %v", err)
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}
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}
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func assert(c bool, msg string) {
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if !c {
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log.Fatalf("assert failed: %v", msg)
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}
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}
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func assertNameReuseFailure(err error, name string) {
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assert(err != nil, "recreating "+name+" with same name must fail")
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fe, ok := err.(fission.Error)
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assert(ok, "error must be a fission Error")
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assert(fe.Code == fission.ErrorNameExists, "error must be a name exists error")
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}
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func assertNotFoundFailure(err error, name string) {
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assert(err != nil, "requesting a non-existent "+name+" must fail")
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fe, ok := err.(fission.Error)
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assert(ok, "error must be a fission Error")
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if fe.Code != fission.ErrorNotFound {
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log.Fatalf("error must be a not found error: %v", fe)
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}
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}
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func assertCronSpecFails(err error) {
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assert(err != nil, "using an invalid cron spec must fail")
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fe, ok := err.(fission.Error)
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assert(ok, "error must be a fission Error")
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assert(fe.Code == fission.ErrorInvalidArgument, "error must be a invalid argument error")
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}
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func TestFunctionApi(t *testing.T) {
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name1 := "foo"
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name2 := "bar"
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testFunc := &tpr.Function{
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Metadata: api.ObjectMeta{
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Name: name1,
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Namespace: api.NamespaceDefault,
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},
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Spec: fission.FunctionSpec{
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EnvironmentName: "nodejs",
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Deployment: fission.FunctionPackageRef{
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FunctionName: "xxx",
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},
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},
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}
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_, err := g.client.FunctionGet(&api.ObjectMeta{
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Name: testFunc.Metadata.Name,
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Namespace: api.NamespaceDefault,
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})
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assertNotFoundFailure(err, "function")
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_, err = g.client.FunctionCreate(testFunc)
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panicIf(err)
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_, err = g.client.FunctionCreate(testFunc)
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assertNameReuseFailure(err, "function")
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testFunc.Spec.Deployment.FunctionName = "yyy"
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_, err = g.client.FunctionUpdate(testFunc)
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panicIf(err)
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testFunc.Metadata.Name = name2
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_, err = g.client.FunctionCreate(testFunc)
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panicIf(err)
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funcs, err := g.client.FunctionList()
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panicIf(err)
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assert(len(funcs) == 2,
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"created two functions, but didn't find them")
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funcs_url := g.client.Url + "/v2/functions"
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resp, err := http.Get(funcs_url)
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panicIf(err)
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defer resp.Body.Close()
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assert(resp.StatusCode == 200, "http get status code on /v1/functions")
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var found bool = false
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for _, b := range resp.Header["Content-Type"] {
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if b == "application/json; charset=utf-8" {
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found = true
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}
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}
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assert(found, "incorrect response content type")
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err = g.client.FunctionDelete(&api.ObjectMeta{Name: name1, Namespace: api.NamespaceDefault})
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panicIf(err)
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err = g.client.FunctionDelete(&api.ObjectMeta{Name: name2, Namespace: api.NamespaceDefault})
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panicIf(err)
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}
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func TestHTTPTriggerApi(t *testing.T) {
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testTrigger := &tpr.Httptrigger{
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Metadata: api.ObjectMeta{
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Name: "foo",
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Namespace: api.NamespaceDefault,
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},
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Spec: fission.HTTPTriggerSpec{
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RelativeURL: "/hello",
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FunctionReference: fission.FunctionReference{
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Type: fission.FunctionReferenceTypeFunctionName,
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Name: "foo",
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},
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},
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}
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_, err := g.client.HTTPTriggerGet(&api.ObjectMeta{
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Name: testTrigger.Metadata.Name,
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Namespace: api.NamespaceDefault,
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})
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assertNotFoundFailure(err, "httptrigger")
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m, err := g.client.HTTPTriggerCreate(testTrigger)
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panicIf(err)
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defer g.client.HTTPTriggerDelete(m)
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_, err = g.client.HTTPTriggerCreate(testTrigger)
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assertNameReuseFailure(err, "httptrigger")
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tr, err := g.client.HTTPTriggerGet(m)
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panicIf(err)
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assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
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testTrigger.Spec.RelativeURL = "/hi"
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_, err = g.client.HTTPTriggerUpdate(testTrigger)
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panicIf(err)
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testTrigger.Metadata.Name = "yyy"
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_, err = g.client.HTTPTriggerCreate(testTrigger)
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assert(err != nil, "duplicate trigger should not be allowed")
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testTrigger.Spec.RelativeURL = "/hi2"
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m2, err := g.client.HTTPTriggerCreate(testTrigger)
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panicIf(err)
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defer g.client.HTTPTriggerDelete(m2)
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ts, err := g.client.HTTPTriggerList()
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panicIf(err)
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assert(len(ts) == 2, "created two triggers, but didn't find them")
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}
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func TestEnvironmentApi(t *testing.T) {
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testEnv := &tpr.Environment{
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Metadata: api.ObjectMeta{
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Name: "foo",
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Namespace: api.NamespaceDefault,
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},
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Spec: fission.EnvironmentSpec{
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Runtime: fission.Runtime{
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Image: "gcr.io/xyz",
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},
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},
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}
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_, err := g.client.EnvironmentGet(&api.ObjectMeta{
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Name: testEnv.Metadata.Name,
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Namespace: api.NamespaceDefault,
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})
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assertNotFoundFailure(err, "environment")
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m, err := g.client.EnvironmentCreate(testEnv)
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panicIf(err)
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defer g.client.EnvironmentDelete(m)
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_, err = g.client.EnvironmentCreate(testEnv)
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assertNameReuseFailure(err, "environment")
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e, err := g.client.EnvironmentGet(m)
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panicIf(err)
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assert(testEnv.Spec == e.Spec, "env should match after reading")
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testEnv.Spec.Runtime.Image = "another-img"
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_, err = g.client.EnvironmentUpdate(testEnv)
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panicIf(err)
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testEnv.Metadata.Name = "bar"
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m2, err := g.client.EnvironmentCreate(testEnv)
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panicIf(err)
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defer g.client.EnvironmentDelete(m2)
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ts, err := g.client.EnvironmentList()
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panicIf(err)
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assert(len(ts) == 2, "created two envs, but didn't find them")
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}
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func TestWatchApi(t *testing.T) {
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testWatch := &tpr.Kuberneteswatchtrigger{
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Metadata: api.ObjectMeta{
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Name: "xxx",
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Namespace: api.NamespaceDefault,
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},
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Spec: fission.KubernetesWatchTriggerSpec{
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Namespace: "default",
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Type: "pod",
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FunctionReference: fission.FunctionReference{
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Type: fission.FunctionReferenceTypeFunctionName,
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Name: "foo",
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},
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},
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}
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_, err := g.client.WatchGet(&api.ObjectMeta{
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Name: testWatch.Metadata.Name,
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Namespace: api.NamespaceDefault,
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})
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assertNotFoundFailure(err, "watch")
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m, err := g.client.WatchCreate(testWatch)
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panicIf(err)
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defer g.client.WatchDelete(m)
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_, err = g.client.WatchCreate(testWatch)
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assertNameReuseFailure(err, "watch")
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w, err := g.client.WatchGet(m)
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panicIf(err)
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assert((testWatch.Spec.Namespace == w.Spec.Namespace &&
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testWatch.Spec.Type == w.Spec.Type &&
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testWatch.Spec.FunctionReference == w.Spec.FunctionReference), "watch should match after reading")
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testWatch.Metadata.Name = "yyy"
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m2, err := g.client.WatchCreate(testWatch)
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panicIf(err)
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defer g.client.WatchDelete(m2)
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ws, err := g.client.WatchList()
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panicIf(err)
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assert(len(ws) == 2, "created two envs, but didn't find them")
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}
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func TestTimeTriggerApi(t *testing.T) {
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testTrigger := &tpr.Timetrigger{
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Metadata: api.ObjectMeta{
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Name: "xxx",
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Namespace: api.NamespaceDefault,
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},
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Spec: fission.TimeTriggerSpec{
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Cron: "0 30 * * * *",
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FunctionReference: fission.FunctionReference{
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Type: fission.FunctionReferenceTypeFunctionName,
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Name: "asdf",
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},
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},
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}
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_, err := g.client.TimeTriggerGet(&api.ObjectMeta{Name: testTrigger.Metadata.Name})
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assertNotFoundFailure(err, "trigger")
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m, err := g.client.TimeTriggerCreate(testTrigger)
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panicIf(err)
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defer g.client.TimeTriggerDelete(m)
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_, err = g.client.TimeTriggerCreate(testTrigger)
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assertNameReuseFailure(err, "trigger")
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tr, err := g.client.TimeTriggerGet(m)
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panicIf(err)
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assert(testTrigger.Spec == tr.Spec, "trigger should match after reading")
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testTrigger.Spec.Cron = "@hourly"
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_, err = g.client.TimeTriggerUpdate(testTrigger)
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panicIf(err)
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testTrigger.Metadata.Name = "yyy"
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testTrigger.Spec.Cron = "Not valid cron spec"
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_, err = g.client.TimeTriggerCreate(testTrigger)
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assertCronSpecFails(err)
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ts, err := g.client.TimeTriggerList()
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panicIf(err)
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assert(len(ts) == 1, "created one trigger, but didn't find it")
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}
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func TestMain(m *testing.M) {
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flag.Parse()
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// skip test if no cluster available for testing
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kubeconfig := os.Getenv("KUBECONFIG")
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if len(kubeconfig) == 0 {
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log.Println("Skipping test, no kubernetes cluster")
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return
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}
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go Start(8888)
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time.Sleep(time.Second)
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g.client = client.MakeClient("http://localhost:8888")
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resp, err := http.Get("http://localhost:8888/")
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panicIf(err)
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assert(resp.StatusCode == 200, "http get status code on root")
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var found bool = false
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for _, b := range resp.Header["Content-Type"] {
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if b == "application/json; charset=utf-8" {
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found = true
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}
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}
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assert(found, "incorrect response content type")
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_, err = ioutil.ReadAll(resp.Body)
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panicIf(err)
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os.Exit(m.Run())
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}
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