// MockSourceRepositories is a set of mocked source repositories used for
// testing
func MockSourceRepositories(t *testing.T, file string) []*app.SourceRepository {
var b []*app.SourceRepository
for _, location := range []string{
"https://github.com/openshift/ruby-hello-world.git",
file,
} {
s, err := app.NewSourceRepository(location)
if err != nil {
t.Fatal(err)
}
b = append(b, s)
}
return b
}
// Make sure that buildPipelines defaults DockerImage.Config if needed to
// avoid a nil panic.
func TestBuildPipelinesWithUnresolvedImage(t *testing.T) {
dockerParser := dockerfile.NewParser()
dockerFileInput := strings.NewReader("EXPOSE 1234\nEXPOSE 4567")
dockerFile, err := dockerParser.Parse(dockerFileInput)
if err != nil {
t.Fatal(err)
}
sourceRepo, err := app.NewSourceRepository("https://github.com/foo/bar.git")
if err != nil {
t.Fatal(err)
}
sourceRepo.BuildWithDocker()
sourceRepo.SetInfo(&app.SourceRepositoryInfo{
Dockerfile: dockerFile,
})
refs := app.ComponentReferences{
app.ComponentReference(&app.ComponentInput{
Value: "mysql",
Uses: sourceRepo,
ExpectToBuild: true,
ResolvedMatch: &app.ComponentMatch{
Value: "mysql",
},
}),
}
a := AppConfig{}
group, err := a.buildPipelines(refs, app.Environment{})
if err != nil {
t.Error(err)
}
expectedPorts := util.NewStringSet("1234", "4567")
actualPorts := util.NewStringSet()
for port := range group[0].InputImage.Info.Config.ExposedPorts {
actualPorts.Insert(port)
}
if e, a := expectedPorts.List(), actualPorts.List(); !reflect.DeepEqual(e, a) {
t.Errorf("Expected ports=%v, got %v", e, a)
}
}
// Generate accepts a path to an app.json file and generates a template from it
func (g *Generator) Generate(body []byte) (*templateapi.Template, error) {
appJSON := &AppJSON{}
if err := json.Unmarshal(body, appJSON); err != nil {
return nil, err
}
glog.V(4).Infof("app.json: %#v", appJSON)
name := g.Name
if len(name) == 0 && len(g.LocalPath) > 0 {
name = filepath.Base(g.LocalPath)
}
template := &templateapi.Template{}
template.Name = name
template.Annotations = make(map[string]string)
template.Annotations["openshift.io/website"] = appJSON.Website
template.Annotations["k8s.io/display-name"] = appJSON.Name
template.Annotations["k8s.io/description"] = appJSON.Description
template.Annotations["tags"] = strings.Join(appJSON.Keywords, ",")
template.Annotations["iconURL"] = appJSON.Logo
// create parameters and environment for containers
allEnv := make(app.Environment)
for k, v := range appJSON.Env {
if v.EnvVar != nil {
allEnv[k] = fmt.Sprintf("${%s}", k)
}
}
envVars := allEnv.List()
for _, v := range envVars {
env := appJSON.Env[v.Name]
if env.EnvVar == nil {
continue
}
e := env.EnvVar
displayName := v.Name
displayName = strings.Join(strings.Split(strings.ToLower(displayName), "_"), " ")
displayName = strings.ToUpper(displayName[:1]) + displayName[1:]
param := templateapi.Parameter{
Name: v.Name,
DisplayName: displayName,
Description: e.Description,
Value: e.Value,
}
switch e.Generator {
case "secret":
param.Generate = "expression"
param.From = "[a-zA-Z0-9]{14}"
}
if len(param.Value) == 0 && e.Default != nil {
switch t := e.Default.(type) {
case string:
param.Value = t
case float64, float32:
out, _ := json.Marshal(t)
param.Value = string(out)
}
}
template.Parameters = append(template.Parameters, param)
}
warnings := make(map[string][]string)
if len(appJSON.Formation) == 0 {
glog.V(4).Infof("No formation in app.json, adding a default web")
// TODO: read Procfile for command?
appJSON.Formation = map[string]Formation{
"web": {
Quantity: 1,
},
}
msg := "adding a default formation 'web' with scale 1"
warnings[msg] = append(warnings[msg], "app.json")
}
formations := sets.NewString()
for k := range appJSON.Formation {
formations.Insert(k)
}
var primaryFormation = "web"
if _, ok := appJSON.Formation["web"]; !ok || len(appJSON.Formation) == 1 {
for k := range appJSON.Formation {
primaryFormation = k
break
}
}
imageGen := app.NewImageRefGenerator()
buildPath := appJSON.Repository
if len(buildPath) == 0 && len(g.LocalPath) > 0 {
buildPath = g.LocalPath
}
if len(buildPath) == 0 {
return nil, fmt.Errorf("app.json did not contain a repository URL and no local path was specified")
}
repo, err := app.NewSourceRepository(buildPath, generate.StrategyDocker)
if err != nil {
return nil, err
}
var ports []string
var pipelines app.PipelineGroup
baseImage := g.BaseImage
if len(baseImage) == 0 {
baseImage = appJSON.Image
}
if len(baseImage) == 0 {
return nil, fmt.Errorf("Docker image required: provide an --image flag or 'image' key in app.json")
}
fakeDockerfile := heredoc.Docf(`
# Generated from app.json
FROM %s
`, baseImage)
dockerfilePath := filepath.Join(buildPath, "Dockerfile")
if df, err := app.NewDockerfileFromFile(dockerfilePath); err == nil {
repo.Info().Dockerfile = df
repo.Info().Path = dockerfilePath
ports = dockerfile.LastExposedPorts(df.AST())
}
// TODO: look for procfile for more info?
image, err := imageGen.FromNameAndPorts(baseImage, ports)
if err != nil {
return nil, err
}
image.AsImageStream = true
image.TagDirectly = true
image.ObjectName = name
image.Tag = "from"
pipeline, err := app.NewPipelineBuilder(name, nil, false).To(name).NewBuildPipeline(name, image, repo)
if err != nil {
return nil, err
}
// TODO: this should not be necessary
pipeline.Build.Source.Name = name
pipeline.Build.Source.DockerfileContents = fakeDockerfile
pipeline.Name = name
pipeline.Image.ObjectName = name
glog.V(4).Infof("created pipeline %+v", pipeline)
pipelines = append(pipelines, pipeline)
var errs []error
// create deployments for each formation
var group app.PipelineGroup
for _, component := range formations.List() {
componentName := fmt.Sprintf("%s-%s", name, component)
if formations.Len() == 1 {
componentName = name
}
formationName := component
formation := appJSON.Formation[component]
inputImage := pipelines[0].Image
inputImage.ContainerFn = func(c *kapi.Container) {
for _, s := range ports {
if port, err := strconv.Atoi(s); err == nil {
c.Ports = append(c.Ports, kapi.ContainerPort{ContainerPort: int32(port)})
}
}
if len(formation.Command) > 0 {
c.Args = []string{formation.Command}
} else {
msg := "no command defined, defaulting to command in the Procfile"
warnings[msg] = append(warnings[msg], formationName)
c.Args = []string{"/bin/sh", "-c", fmt.Sprintf("$(grep %s Procfile | cut -f 2 -d :)", formationName)}
}
c.Env = append(c.Env, envVars...)
c.Resources = resourcesForProfile(formation.Size)
}
pipeline, err := app.NewPipelineBuilder(componentName, nil, true).To(componentName).NewImagePipeline(componentName, inputImage)
if err != nil {
errs = append(errs, err)
break
}
if err := pipeline.NeedsDeployment(nil, nil, false); err != nil {
return nil, err
}
if cmd, ok := appJSON.Scripts["postdeploy"]; ok && primaryFormation == component {
pipeline.Deployment.PostHook = &app.DeploymentHook{Shell: cmd}
delete(appJSON.Scripts, "postdeploy")
}
group = append(group, pipeline)
}
if err := group.Reduce(); err != nil {
return nil, err
}
pipelines = append(pipelines, group...)
if len(errs) > 0 {
return nil, utilerrs.NewAggregate(errs)
}
acceptors := app.Acceptors{app.NewAcceptUnique(kapi.Scheme), app.AcceptNew}
objects := app.Objects{}
accept := app.NewAcceptFirst()
for _, p := range pipelines {
accepted, err := p.Objects(accept, acceptors)
if err != nil {
return nil, fmt.Errorf("can't setup %q: %v", p.From, err)
}
objects = append(objects, accepted...)
}
// create services for each object with a name based on alias.
var services []*kapi.Service
for _, obj := range objects {
switch t := obj.(type) {
case *deployapi.DeploymentConfig:
ports := app.UniqueContainerToServicePorts(app.AllContainerPorts(t.Spec.Template.Spec.Containers...))
if len(ports) == 0 {
continue
}
svc := app.GenerateService(t.ObjectMeta, t.Spec.Selector)
svc.Spec.Ports = ports
services = append(services, svc)
}
}
for _, svc := range services {
objects = append(objects, svc)
}
template.Objects = objects
// generate warnings
warnUnusableAppJSONElements("app.json", appJSON, warnings)
if len(warnings) > 0 {
allWarnings := sets.NewString()
for msg, services := range warnings {
allWarnings.Insert(fmt.Sprintf("%s: %s", strings.Join(services, ","), msg))
}
if template.Annotations == nil {
template.Annotations = make(map[string]string)
}
template.Annotations[app.GenerationWarningAnnotation] = fmt.Sprintf("not all app.json fields were honored:\n* %s", strings.Join(allWarnings.List(), "\n* "))
}
return template, nil
}