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Support service types in runtime

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This commit is contained in:
Asim Aslam 2019-11-29 11:35:00 +00:00
parent 114bc1e18b
commit c3ed83dfba
12 changed files with 171 additions and 164 deletions
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37
runtime/default.go
View File

@ -163,7 +163,7 @@ func (r *runtime) Create(s *Service, opts ...CreateOption) error {
o(&options)
}
if len(s.Exec) == 0 && len(options.Command) == 0 {
if len(options.Command) == 0 {
return errors.New("missing exec command")
}
@ -179,31 +179,36 @@ func (r *runtime) Create(s *Service, opts ...CreateOption) error {
// Read returns all instances of requested service
// If no service name is provided we return all the track services.
func (r *runtime) Read(name string, opts ...ReadOption) ([]*Service, error) {
func (r *runtime) Read(opts ...ReadOption) ([]*Service, error) {
r.Lock()
defer r.Unlock()
if len(name) == 0 {
return nil, errors.New("missing service name")
}
gopts := ReadOptions{}
for _, o := range opts {
o(&gopts)
}
var services []*Service
// if we track the service check if the version is provided
if s, ok := r.services[name]; ok {
if len(gopts.Version) > 0 {
if s.Version == gopts.Version {
services = append(services, s.Service)
}
return services, nil
save := func(k, v string) bool {
if len(k) == 0 {
return true
}
// no version has sbeen requested, just append the service
services = append(services, s.Service)
return k == v
}
var services []*Service
for _, service := range r.services {
if !save(gopts.Service, service.Name) {
continue
}
if !save(gopts.Version, service.Version) {
continue
}
// TODO deal with service type
// no version has sbeen requested, just append the service
services = append(services, service.Service)
}
return services, nil
}

8
runtime/kubernetes/client/kubernetes.go
View File

@ -27,13 +27,13 @@ type Kubernetes interface {
}
// NewService returns default micro kubernetes service definition
func NewService(name, version string) *Service {
func NewService(name, version, typ string) *Service {
log.Tracef("kubernetes default service: name: %s, version: %s", name, version)
Labels := map[string]string{
"name": name,
"version": version,
"micro": "service",
"micro": typ,
}
svcName := name
@ -64,13 +64,13 @@ func NewService(name, version string) *Service {
}
// NewService returns default micro kubernetes deployment definition
func NewDeployment(name, version string) *Deployment {
func NewDeployment(name, version, typ string) *Deployment {
log.Tracef("kubernetes default deployment: name: %s, version: %s", name, version)
Labels := map[string]string{
"name": name,
"version": version,
"micro": "service",
"micro": typ,
}
depName := name

5
runtime/kubernetes/client/util_test.go
View File

@ -8,16 +8,17 @@ import (
func TestTemplates(t *testing.T) {
name := "foo"
version := "123"
typ := "service"
// Render default service
s := NewService(name, version)
s := NewService(name, version, typ)
bs := new(bytes.Buffer)
if err := renderTemplate(templates["service"], bs, s); err != nil {
t.Errorf("Failed to render kubernetes service: %v", err)
}
// Render default deployment
d := NewDeployment(name, version)
d := NewDeployment(name, version, typ)
bd := new(bytes.Buffer)
if err := renderTemplate(templates["deployment"], bd, d); err != nil {
t.Errorf("Failed to render kubernetes deployment: %v", err)

43
runtime/kubernetes/kubernetes.go
View File

@ -2,7 +2,6 @@
package kubernetes
import (
"errors"
"fmt"
"sync"
"time"
@ -204,7 +203,7 @@ func (k *kubernetes) run(events <-chan runtime.Event) {
// set the default labels
labels := map[string]string{
"micro": "service",
"micro": k.options.Type,
"name": name,
}
@ -281,7 +280,9 @@ func (k *kubernetes) Create(s *runtime.Service, opts ...runtime.CreateOption) er
k.Lock()
defer k.Unlock()
var options runtime.CreateOptions
options := runtime.CreateOptions{
Type: k.options.Type,
}
for _, o := range opts {
o(&options)
}
@ -310,22 +311,13 @@ func (k *kubernetes) Create(s *runtime.Service, opts ...runtime.CreateOption) er
}
// Read returns all instances of given service
func (k *kubernetes) Read(name string, opts ...runtime.ReadOption) ([]*runtime.Service, error) {
func (k *kubernetes) Read(opts ...runtime.ReadOption) ([]*runtime.Service, error) {
k.Lock()
defer k.Unlock()
// if no name has been passed in, return error
if len(name) == 0 {
return nil, errors.New("missing service name")
}
// format the name
name = client.Format(name)
// set the default labels
labels := map[string]string{
"micro": "service",
"name": name,
"micro": k.options.Type,
}
var options runtime.ReadOptions
@ -333,12 +325,18 @@ func (k *kubernetes) Read(name string, opts ...runtime.ReadOption) ([]*runtime.S
o(&options)
}
if len(options.Service) > 0 {
labels["name"] = client.Format(options.Service)
}
// add version to labels if a version has been supplied
if len(options.Version) > 0 {
labels["version"] = options.Version
}
log.Debugf("Runtime querying service %s", name)
if len(options.Type) > 0 {
labels["type"] = options.Type
}
return k.getService(labels)
}
@ -349,7 +347,7 @@ func (k *kubernetes) List() ([]*runtime.Service, error) {
defer k.Unlock()
labels := map[string]string{
"micro": "service",
"micro": k.options.Type,
}
log.Debugf("Runtime listing all micro services")
@ -360,7 +358,9 @@ func (k *kubernetes) List() ([]*runtime.Service, error) {
// Update the service in place
func (k *kubernetes) Update(s *runtime.Service) error {
// create new kubernetes micro service
service := newService(s, runtime.CreateOptions{})
service := newService(s, runtime.CreateOptions{
Type: k.options.Type,
})
// update build time annotation
service.kdeploy.Spec.Template.Metadata.Annotations["build"] = time.Now().Format(time.RFC3339)
@ -382,7 +382,9 @@ func (k *kubernetes) Delete(s *runtime.Service) error {
defer k.Unlock()
// create new kubernetes micro service
service := newService(s, runtime.CreateOptions{})
service := newService(s, runtime.CreateOptions{
Type: k.options.Type,
})
log.Debugf("Runtime queueing service %s for delete action", service.Name)
@ -457,7 +459,10 @@ func (k *kubernetes) String() string {
// NewRuntime creates new kubernetes runtime
func NewRuntime(opts ...runtime.Option) runtime.Runtime {
// get default options
options := runtime.Options{}
options := runtime.Options{
// Create labels with type "micro": "service"
Type: "service",
}
// apply requested options
for _, o := range opts {

10
runtime/kubernetes/service.go
View File

@ -23,8 +23,8 @@ func newService(s *runtime.Service, c runtime.CreateOptions) *service {
name := client.Format(s.Name)
version := client.Format(s.Version)
kservice := client.NewService(name, version)
kdeploy := client.NewDeployment(name, version)
kservice := client.NewService(name, version, c.Type)
kdeploy := client.NewDeployment(name, version, c.Type)
// attach our values to the deployment; name, version, source
kdeploy.Metadata.Annotations["name"] = s.Name
@ -53,10 +53,8 @@ func newService(s *runtime.Service, c runtime.CreateOptions) *service {
kdeploy.Spec.Template.PodSpec.Containers[0].Env = append(kdeploy.Spec.Template.PodSpec.Containers[0].Env, env...)
}
// if Exec/Command has been supplied override the default command
if len(s.Exec) > 0 {
kdeploy.Spec.Template.PodSpec.Containers[0].Command = s.Exec
} else if len(c.Command) > 0 {
// specify the command to exec
if len(c.Command) > 0 {
kdeploy.Spec.Template.PodSpec.Containers[0].Command = c.Command
} else if len(s.Source) > 0 {
// default command for our k8s service should be source

45
runtime/options.go
View File

@ -10,17 +10,28 @@ type Option func(o *Options)
type Options struct {
// Notifier for updates
Notifier Notifier
// Service type to manage
Type string
}
// AutoUpdate enables micro auto-updates
// WithNotifier specifies a notifier for updates
func WithNotifier(n Notifier) Option {
return func(o *Options) {
o.Notifier = n
}
}
// WithType sets the service type to manage
func WithType(t string) Option {
return func(o *Options) {
o.Type = t
}
}
type CreateOption func(o *CreateOptions)
type ReadOption func(o *ReadOptions)
// CreateOptions configure runtime services
type CreateOptions struct {
// command to execute including args
@ -29,6 +40,18 @@ type CreateOptions struct {
Env []string
// Log output
Output io.Writer
// Type of service to create
Type string
}
// ReadOptions queries runtime services
type ReadOptions struct {
// Service name
Service string
// Version queries services with given version
Version string
// Type of service
Type string
}
// WithCommand specifies the command to execute
@ -55,17 +78,23 @@ func WithOutput(out io.Writer) CreateOption {
}
}
type ReadOption func(o *ReadOptions)
// ReadOptions queries runtime services
type ReadOptions struct {
// Version queries services with given version
Version string
// ReadService returns services with the given name
func ReadService(service string) ReadOption {
return func(o *ReadOptions) {
o.Service = service
}
}
// WithVersion confifgures service version
func WithVersion(version string) ReadOption {
func ReadVersion(version string) ReadOption {
return func(o *ReadOptions) {
o.Version = version
}
}
// ReadType returns services of the given type
func ReadType(t string) ReadOption {
return func(o *ReadOptions) {
o.Type = t
}
}

6
runtime/runtime.go
View File

@ -17,7 +17,7 @@ type Runtime interface {
// Create registers a service
Create(*Service, ...CreateOption) error
// Read returns the service
Read(string, ...ReadOption) ([]*Service, error)
Read(...ReadOption) ([]*Service, error)
// Update the service in place
Update(*Service) error
// Remove a service
@ -84,10 +84,6 @@ type Service struct {
Version string
// url location of source
Source string
// Path to store source
Path string
// Exec command
Exec []string
// Metadata stores metadata
Metadata map[string]string
}

21
runtime/service.go
View File

@ -37,22 +37,11 @@ func newService(s *Service, c CreateOptions) *service {
var exec string
var args []string
if len(s.Exec) > 0 {
if len(s.Exec) > 0 {
exec = s.Exec[0]
}
args = []string{}
if len(s.Exec) > 1 {
args = s.Exec[1:]
}
} else {
// set command
exec = c.Command[0]
// set args
if len(c.Command) > 1 {
args = c.Command[1:]
}
// set command
exec = c.Command[0]
// set args
if len(c.Command) > 1 {
args = c.Command[1:]
}
return &service{

19
runtime/service/handler/handler.go
View File

@ -17,8 +17,6 @@ func toProto(s *runtime.Service) *pb.Service {
Name: s.Name,
Version: s.Version,
Source: s.Source,
Path: s.Path,
Exec: s.Exec,
Metadata: s.Metadata,
}
}
@ -28,8 +26,6 @@ func toService(s *pb.Service) *runtime.Service {
Name: s.Name,
Version: s.Version,
Source: s.Source,
Path: s.Path,
Exec: s.Exec,
Metadata: s.Metadata,
}
}
@ -56,9 +52,14 @@ func toCreateOptions(opts *pb.CreateOptions) []runtime.CreateOption {
func toReadOptions(opts *pb.ReadOptions) []runtime.ReadOption {
options := []runtime.ReadOption{}
// version options
if len(opts.Service) > 0 {
options = append(options, runtime.ReadService(opts.Service))
}
if len(opts.Version) > 0 {
options = append(options, runtime.WithVersion(opts.Version))
options = append(options, runtime.ReadVersion(opts.Version))
}
if len(opts.Type) > 0 {
options = append(options, runtime.ReadType(opts.Type))
}
return options
@ -84,16 +85,12 @@ func (r *Runtime) Create(ctx context.Context, req *pb.CreateRequest, rsp *pb.Cre
}
func (r *Runtime) Read(ctx context.Context, req *pb.ReadRequest, rsp *pb.ReadResponse) error {
if len(req.Name) == 0 {
return errors.BadRequest("go.micro.runtime", "blank service")
}
var options []runtime.ReadOption
if req.Options != nil {
options = toReadOptions(req.Options)
}
services, err := r.Runtime.Read(req.Name, options...)
services, err := r.Runtime.Read(options...)
if err != nil {
return errors.InternalServerError("go.micro.runtime", err.Error())
}

115
runtime/service/proto/runtime.pb.go
View File

@ -27,12 +27,8 @@ type Service struct {
Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
// git url of the source
Source string `protobuf:"bytes,3,opt,name=source,proto3" json:"source,omitempty"`
// local path of the source
Path string `protobuf:"bytes,4,opt,name=path,proto3" json:"path,omitempty"`
// command to execute
Exec []string `protobuf:"bytes,5,rep,name=exec,proto3" json:"exec,omitempty"`
// service metadata
Metadata map[string]string `protobuf:"bytes,6,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
Metadata map[string]string `protobuf:"bytes,4,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -84,20 +80,6 @@ func (m *Service) GetSource() string {
return ""
}
func (m *Service) GetPath() string {
if m != nil {
return m.Path
}
return ""
}
func (m *Service) GetExec() []string {
if m != nil {
return m.Exec
}
return nil
}
func (m *Service) GetMetadata() map[string]string {
if m != nil {
return m.Metadata
@ -242,8 +224,12 @@ func (m *CreateResponse) XXX_DiscardUnknown() {
var xxx_messageInfo_CreateResponse proto.InternalMessageInfo
type ReadOptions struct {
// service name
Service string `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
// version of the service
Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
// type of service
Type string `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -274,6 +260,13 @@ func (m *ReadOptions) XXX_DiscardUnknown() {
var xxx_messageInfo_ReadOptions proto.InternalMessageInfo
func (m *ReadOptions) GetService() string {
if m != nil {
return m.Service
}
return ""
}
func (m *ReadOptions) GetVersion() string {
if m != nil {
return m.Version
@ -281,9 +274,15 @@ func (m *ReadOptions) GetVersion() string {
return ""
}
func (m *ReadOptions) GetType() string {
if m != nil {
return m.Type
}
return ""
}
type ReadRequest struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Options *ReadOptions `protobuf:"bytes,2,opt,name=options,proto3" json:"options,omitempty"`
Options *ReadOptions `protobuf:"bytes,1,opt,name=options,proto3" json:"options,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -314,13 +313,6 @@ func (m *ReadRequest) XXX_DiscardUnknown() {
var xxx_messageInfo_ReadRequest proto.InternalMessageInfo
func (m *ReadRequest) GetName() string {
if m != nil {
return m.Name
}
return ""
}
func (m *ReadRequest) GetOptions() *ReadOptions {
if m != nil {
return m.Options
@ -599,37 +591,36 @@ func init() {
}
var fileDescriptor_4bc91a8efec81434 = []byte{
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}

17
runtime/service/proto/runtime.proto
View File

@ -17,12 +17,8 @@ message Service {
string version = 2;
// git url of the source
string source = 3;
// local path of the source
string path = 4;
// command to execute
repeated string exec = 5;
// service metadata
map<string,string> metadata = 6;
map<string,string> metadata = 4;
}
message CreateOptions {
@ -42,13 +38,16 @@ message CreateRequest {
message CreateResponse {}
message ReadOptions {
// version of the service
string version = 2;
// service name
string service = 1;
// version of the service
string version = 2;
// type of service
string type = 3;
}
message ReadRequest {
string name = 1;
ReadOptions options = 2;
ReadOptions options = 1;
}
message ReadResponse {

9
runtime/service/service.go
View File

@ -76,7 +76,7 @@ func (s *svc) Create(svc *runtime.Service, opts ...runtime.CreateOption) error {
}
// Read returns the service with the given name from the runtime
func (s *svc) Read(name string, opts ...runtime.ReadOption) ([]*runtime.Service, error) {
func (s *svc) Read(opts ...runtime.ReadOption) ([]*runtime.Service, error) {
options := runtime.ReadOptions{}
// apply requested options
for _, o := range opts {
@ -85,9 +85,10 @@ func (s *svc) Read(name string, opts ...runtime.ReadOption) ([]*runtime.Service,
// runtime service create request
req := &pb.ReadRequest{
Name: name,
Options: &pb.ReadOptions{
Service: options.Service,
Version: options.Version,
Type: options.Type,
},
}
@ -102,8 +103,6 @@ func (s *svc) Read(name string, opts ...runtime.ReadOption) ([]*runtime.Service,
Name: service.Name,
Version: service.Version,
Source: service.Source,
Path: service.Path,
Exec: service.Exec,
Metadata: service.Metadata,
}
services = append(services, svc)
@ -160,8 +159,6 @@ func (s *svc) List() ([]*runtime.Service, error) {
Name: service.Name,
Version: service.Version,
Source: service.Source,
Path: service.Path,
Exec: service.Exec,
Metadata: service.Metadata,
}
services = append(services, svc)