func newDeployOpts(ctx context.Context, w http.ResponseWriter, req *http.Request) (*empire.DeployOpts, error) {
var form PostDeployForm
if err := Decode(req, &form); err != nil {
return nil, err
}
m, err := findMessage(req)
if err != nil {
return nil, err
}
w.Header().Set("Content-Type", "application/json; boundary=NL")
if form.Image.Tag == "" && form.Image.Digest == "" {
form.Image.Tag = "latest"
}
opts := empire.DeployOpts{
User: auth.UserFromContext(ctx),
Image: form.Image,
Output: empire.NewDeploymentStream(streamhttp.StreamingResponseWriter(w)),
Message: m,
Stream: form.Stream,
}
return &opts, nil
}
// Deploy builds/determines the docker image to deploy, then deploys it with
// Empire.
func (d *EmpireDeployer) Deploy(ctx context.Context, event events.Deployment, w io.Writer) error {
img, err := d.BuildImage(ctx, w, event)
if err != nil {
return err
}
// What we write to w should be plain text. `p` will get the jsonmessage
// stream.
p := dockerutil.DecodeJSONMessageStream(w)
message := event.Deployment.Description
if message == "" {
message = fmt.Sprintf("GitHub deployment #%d of %s", event.Deployment.ID, event.Repository.FullName)
}
_, err = d.empire.Deploy(ctx, empire.DeployOpts{
Image: img,
Output: empire.NewDeploymentStream(p),
User: &empire.User{Name: event.Deployment.Creator.Login},
Stream: true,
Message: message,
})
if err != nil {
return err
}
return p.Err()
}
func TestEmpire_Deploy_ImageNotFound(t *testing.T) {
e := empiretest.NewEmpire(t)
s := new(mockScheduler)
e.Scheduler = s
e.ProcfileExtractor = empire.ProcfileExtractorFunc(func(ctx context.Context, img image.Image, w io.Writer) ([]byte, error) {
return nil, errors.New("image not found")
})
// Deploying an image to an app that doesn't exist will create a new
// app.
_, err := e.Deploy(context.Background(), empire.DeployOpts{
User: &empire.User{Name: "ejholmes"},
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: image.Image{Repository: "remind101/acme-inc"},
})
assert.Error(t, err)
// If there's an error deploying, then the transaction should be rolled
// backed and no apps should exist.
apps, err := e.Apps(empire.AppsQuery{})
assert.NoError(t, err)
assert.Equal(t, 0, len(apps))
s.AssertExpectations(t)
}
func TestEmpire_Deploy(t *testing.T) {
e := empiretest.NewEmpire(t)
s := new(mockScheduler)
e.Scheduler = s
user := &empire.User{Name: "ejholmes"}
app, err := e.Create(context.Background(), empire.CreateOpts{
User: user,
Name: "acme-inc",
})
assert.NoError(t, err)
img := image.Image{Repository: "remind101/acme-inc"}
s.On("Submit", &scheduler.App{
ID: app.ID,
Name: "acme-inc",
Release: "v1",
Env: map[string]string{
"EMPIRE_APPID": app.ID,
"EMPIRE_APPNAME": "acme-inc",
"EMPIRE_RELEASE": "v1",
},
Labels: map[string]string{
"empire.app.name": "acme-inc",
"empire.app.id": app.ID,
"empire.app.release": "v1",
},
Processes: []*scheduler.Process{
{
Type: "scheduled",
Image: img,
Command: []string{"./bin/scheduled"},
Schedule: scheduler.CRONSchedule("* * * * * *"),
Instances: 0,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "scheduled",
"EMPIRE_PROCESS_SCALE": "0",
"SOURCE": "acme-inc.scheduled.v1",
},
Labels: map[string]string{
"empire.app.process": "scheduled",
},
},
{
Type: "web",
Image: img,
Command: []string{"./bin/web"},
Exposure: &scheduler.Exposure{
Type: &scheduler.HTTPExposure{},
},
Instances: 1,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "web",
"EMPIRE_PROCESS_SCALE": "1",
"SOURCE": "acme-inc.web.v1",
},
Labels: map[string]string{
"empire.app.process": "web",
},
},
{
Type: "worker",
Image: img,
Command: []string{"./bin/worker"},
Instances: 0,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "worker",
"EMPIRE_PROCESS_SCALE": "0",
"SOURCE": "acme-inc.worker.v1",
},
Labels: map[string]string{
"empire.app.process": "worker",
},
},
},
}).Return(nil)
_, err = e.Deploy(context.Background(), empire.DeployOpts{
App: app,
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: img,
})
assert.NoError(t, err)
s.AssertExpectations(t)
}
func TestEmpire_Set(t *testing.T) {
e := empiretest.NewEmpire(t)
s := new(mockScheduler)
e.Scheduler = s
e.ProcfileExtractor = empiretest.ExtractProcfile(procfile.ExtendedProcfile{
"web": procfile.Process{
Command: []string{"./bin/web"},
},
})
user := &empire.User{Name: "ejholmes"}
// Create an app
app, err := e.Create(context.Background(), empire.CreateOpts{
User: user,
Name: "acme-inc",
})
assert.NoError(t, err)
// Add some environment variables to it.
prod := "production"
_, err = e.Set(context.Background(), empire.SetOpts{
User: user,
App: app,
Vars: empire.Vars{
"RAILS_ENV": &prod,
},
})
assert.NoError(t, err)
// Deploy a new image to the app.
img := image.Image{Repository: "remind101/acme-inc"}
s.On("Submit", &scheduler.App{
ID: app.ID,
Name: "acme-inc",
Release: "v1",
Env: map[string]string{
"EMPIRE_APPID": app.ID,
"EMPIRE_APPNAME": "acme-inc",
"EMPIRE_RELEASE": "v1",
"RAILS_ENV": "production",
},
Labels: map[string]string{
"empire.app.name": "acme-inc",
"empire.app.id": app.ID,
"empire.app.release": "v1",
},
Processes: []*scheduler.Process{
{
Type: "web",
Image: img,
Command: []string{"./bin/web"},
Exposure: &scheduler.Exposure{
Type: &scheduler.HTTPExposure{},
},
Instances: 1,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "web",
"EMPIRE_PROCESS_SCALE": "1",
"SOURCE": "acme-inc.web.v1",
},
Labels: map[string]string{
"empire.app.process": "web",
},
},
},
}).Once().Return(nil)
_, err = e.Deploy(context.Background(), empire.DeployOpts{
App: app,
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: img,
})
assert.NoError(t, err)
// Remove the environment variable
s.On("Submit", &scheduler.App{
ID: app.ID,
Name: "acme-inc",
Release: "v2",
Env: map[string]string{
"EMPIRE_APPID": app.ID,
"EMPIRE_APPNAME": "acme-inc",
"EMPIRE_RELEASE": "v2",
},
Labels: map[string]string{
"empire.app.name": "acme-inc",
"empire.app.id": app.ID,
"empire.app.release": "v2",
},
Processes: []*scheduler.Process{
{
Type: "web",
Image: img,
Command: []string{"./bin/web"},
Exposure: &scheduler.Exposure{
Type: &scheduler.HTTPExposure{},
},
Instances: 1,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "web",
"EMPIRE_PROCESS_SCALE": "1",
"SOURCE": "acme-inc.web.v2",
},
Labels: map[string]string{
"empire.app.process": "web",
},
},
},
}).Once().Return(nil)
_, err = e.Set(context.Background(), empire.SetOpts{
User: user,
App: app,
Vars: empire.Vars{
"RAILS_ENV": nil,
},
})
assert.NoError(t, err)
s.AssertExpectations(t)
}
func TestEmpire_Run_WithAllowCommandProcfile(t *testing.T) {
e := empiretest.NewEmpire(t)
e.AllowedCommands = empire.AllowCommandProcfile
user := &empire.User{Name: "ejholmes"}
app, err := e.Create(context.Background(), empire.CreateOpts{
User: user,
Name: "acme-inc",
})
assert.NoError(t, err)
img := image.Image{Repository: "remind101/acme-inc"}
_, err = e.Deploy(context.Background(), empire.DeployOpts{
App: app,
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: img,
})
assert.NoError(t, err)
s := new(mockScheduler)
e.Scheduler = s
err = e.Run(context.Background(), empire.RunOpts{
User: user,
App: app,
Command: empire.MustParseCommand("bundle exec rake db:migrate"),
// Detached Process
Output: nil,
Input: nil,
Env: map[string]string{
"TERM": "xterm",
},
})
assert.IsType(t, &empire.CommandNotAllowedError{}, err)
s.On("Run", &scheduler.App{
ID: app.ID,
Name: "acme-inc",
Release: "v1",
Env: map[string]string{
"EMPIRE_APPID": app.ID,
"EMPIRE_APPNAME": "acme-inc",
"EMPIRE_RELEASE": "v1",
},
Labels: map[string]string{
"empire.app.id": app.ID,
"empire.app.name": "acme-inc",
"empire.app.release": "v1",
},
},
&scheduler.Process{
Type: "rake",
Image: img,
Command: []string{"bundle", "exec", "rake", "db:migrate"},
Instances: 1,
MemoryLimit: 536870912,
CPUShares: 256,
Nproc: 256,
Env: map[string]string{
"EMPIRE_PROCESS": "rake",
"EMPIRE_PROCESS_SCALE": "1",
"SOURCE": "acme-inc.rake.v1",
"TERM": "xterm",
},
Labels: map[string]string{
"empire.app.process": "rake",
"empire.user": "******",
},
}, nil, nil).Return(nil)
err = e.Run(context.Background(), empire.RunOpts{
User: user,
App: app,
Command: empire.MustParseCommand("rake db:migrate"),
// Detached Process
Output: nil,
Input: nil,
Env: map[string]string{
"TERM": "xterm",
},
})
assert.NoError(t, err)
s.AssertExpectations(t)
}
func TestEmpire_Deploy_Concurrent(t *testing.T) {
e := empiretest.NewEmpire(t)
s := new(mockScheduler)
e.Scheduler = scheduler.NewFakeScheduler()
e.ProcfileExtractor = empiretest.ExtractProcfile(procfile.ExtendedProcfile{
"web": procfile.Process{
Command: []string{"./bin/web"},
},
})
user := &empire.User{Name: "ejholmes"}
// Create the first release for this app.
r, err := e.Deploy(context.Background(), empire.DeployOpts{
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: image.Image{Repository: "remind101/acme-inc"},
})
assert.NoError(t, err)
assert.Equal(t, 1, r.Version)
// We'll use the procfile extractor to synchronize two concurrent
// deployments.
v2Started, v3Started := make(chan struct{}), make(chan struct{})
e.ProcfileExtractor = empire.ProcfileExtractorFunc(func(ctx context.Context, img image.Image, w io.Writer) ([]byte, error) {
switch img.Tag {
case "v2":
close(v2Started)
<-v3Started
case "v3":
close(v3Started)
}
return procfile.Marshal(procfile.ExtendedProcfile{
"web": procfile.Process{
Command: []string{"./bin/web"},
},
})
})
v2Done := make(chan struct{})
go func() {
r, err := e.Deploy(context.Background(), empire.DeployOpts{
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: image.Image{Repository: "remind101/acme-inc", Tag: "v2"},
})
assert.NoError(t, err)
assert.Equal(t, 2, r.Version)
close(v2Done)
}()
<-v2Started
r, err = e.Deploy(context.Background(), empire.DeployOpts{
User: user,
Output: empire.NewDeploymentStream(ioutil.Discard),
Image: image.Image{Repository: "remind101/acme-inc", Tag: "v3"},
})
assert.NoError(t, err)
assert.Equal(t, 3, r.Version)
<-v2Done
s.AssertExpectations(t)
}
