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swarm_test.go
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swarm_test.go
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package main
import (
"context"
"fmt"
"regexp"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/registry"
"github.com/docker/docker/api/types/swarm"
test "github.com/stretchr/testify/assert"
"megpoid.dev/go/swarm-updater/log"
)
type dockerClientMock struct {
DistributionInspectFn func(ctx context.Context, image, encodedAuth string) (registry.DistributionInspect, error)
RetrieveAuthTokenFromImageFn func(ctx context.Context, image string) (string, error)
ServiceUpdateFn func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
ServiceInspectWithRawFn func(ctx context.Context, serviceID string, opts types.ServiceInspectOptions) (swarm.Service, []byte, error)
ServiceListFn func(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error)
}
func (s *dockerClientMock) DistributionInspect(ctx context.Context, image, encodedAuth string) (registry.DistributionInspect, error) {
if s.DistributionInspectFn != nil {
return s.DistributionInspectFn(ctx, image, encodedAuth)
}
return registry.DistributionInspect{}, nil
}
func (s *dockerClientMock) RetrieveAuthTokenFromImage(ctx context.Context, image string) (string, error) {
if s.RetrieveAuthTokenFromImageFn != nil {
return s.RetrieveAuthTokenFromImageFn(ctx, image)
}
return "", nil
}
func (s *dockerClientMock) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
if s.ServiceUpdateFn != nil {
return s.ServiceUpdateFn(ctx, serviceID, version, service, options)
}
return types.ServiceUpdateResponse{}, nil
}
func (s *dockerClientMock) ServiceInspectWithRaw(ctx context.Context, serviceID string, opts types.ServiceInspectOptions) (swarm.Service, []byte, error) {
if s.ServiceInspectWithRawFn != nil {
return s.ServiceInspectWithRawFn(ctx, serviceID, opts)
}
return swarm.Service{}, nil, nil
}
func (s *dockerClientMock) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
if s.ServiceListFn != nil {
return s.ServiceListFn(ctx, options)
}
return []swarm.Service{}, nil
}
func TestValidServiceLabel(t *testing.T) {
assert := test.New(t)
s := Swarm{LabelEnable: true}
service := &swarm.Service{}
ok := s.validService(service)
assert.False(ok)
service.Spec.Labels = map[string]string{enabledServiceLabel: "false"}
ok = s.validService(service)
assert.False(ok)
service.Spec.Labels = map[string]string{enabledServiceLabel: "true"}
ok = s.validService(service)
assert.True(ok)
}
func TestValidServiceBlacklist(t *testing.T) {
assert := test.New(t)
s := Swarm{LabelEnable: false}
service := &swarm.Service{}
service.Spec.Name = "service_foobar"
ok := s.validService(service)
assert.True(ok)
s.Blacklist = []*regexp.Regexp{regexp.MustCompile("service_foobar")}
ok = s.validService(service)
assert.False(ok)
s.Blacklist = []*regexp.Regexp{regexp.MustCompile("service_barfoo")}
ok = s.validService(service)
assert.True(ok)
s.Blacklist = []*regexp.Regexp{
regexp.MustCompile("service_barfoo1"),
regexp.MustCompile("service_foobar"),
regexp.MustCompile("service_barfoo2"),
}
ok = s.validService(service)
assert.False(ok)
s.Blacklist = []*regexp.Regexp{regexp.MustCompile("")}
ok = s.validService(service)
assert.False(ok)
}
func TestUpdateServiceEmpty(t *testing.T) {
assert := test.New(t)
mock := dockerClientMock{}
mock.ServiceListFn = func(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
return []swarm.Service{}, nil
}
s := Swarm{client: &mock}
err := s.UpdateServices(context.TODO())
assert.NoError(err)
}
func TestUpdateServices(t *testing.T) {
assert := test.New(t)
services := []swarm.Service{
{
ID: "1",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "service_foo"},
TaskTemplate: swarm.TaskSpec{
ContainerSpec: &swarm.ContainerSpec{Image: "foo:latest@sha256:0000000000000000000000000000000000000000000000000000000000000000"},
},
},
PreviousSpec: &swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{ContainerSpec: &swarm.ContainerSpec{}},
},
},
{
ID: "2",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "service_bar"},
TaskTemplate: swarm.TaskSpec{
ContainerSpec: &swarm.ContainerSpec{Image: "bar:latest@sha256:0000000000000000000000000000000000000000000000000000000000000000"},
},
},
PreviousSpec: &swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{ContainerSpec: &swarm.ContainerSpec{}},
},
},
{
ID: "3",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "service_baz"},
TaskTemplate: swarm.TaskSpec{
ContainerSpec: &swarm.ContainerSpec{Image: "baz:latest@sha256:0000000000000000000000000000000000000000000000000000000000000000"},
},
},
PreviousSpec: &swarm.ServiceSpec{
TaskTemplate: swarm.TaskSpec{ContainerSpec: &swarm.ContainerSpec{}},
},
},
}
mock := dockerClientMock{}
mock.ServiceListFn = func(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
return services, nil
}
mock.ServiceInspectWithRawFn = func(ctx context.Context, serviceID string, opts types.ServiceInspectOptions) (swarm.Service, []byte, error) {
for _, service := range services {
if service.ID == serviceID {
return service, nil, nil
}
}
assert.Fail("Should be on the service list", "%s isn't on service list", serviceID)
return swarm.Service{}, nil, fmt.Errorf("service not found: %s", serviceID)
}
mock.ServiceUpdateFn = func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
for _, serv := range services {
if serv.ID == serviceID {
image := service.TaskTemplate.ContainerSpec.Image
regex := regexp.MustCompile(".*@sha256:.*")
matched := regex.MatchString(image)
assert.False(matched, "%s doesn't has the hash stripped", image)
serv.PreviousSpec.TaskTemplate.ContainerSpec.Image = image
serv.Spec.TaskTemplate.ContainerSpec.Image = image + "@sha256:1111111111111111111111111111111111111111111111111111111111111111"
return types.ServiceUpdateResponse{}, nil
}
}
assert.Fail("Should be on the service list", "%s isn't on service list", serviceID)
return types.ServiceUpdateResponse{}, fmt.Errorf("service not found: %s", serviceID)
}
// disable log
log.Printf = log.Debug
s := Swarm{client: &mock}
err := s.UpdateServices(context.TODO())
assert.NoError(err)
}