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halyard.go
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halyard.go
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package halyard
import (
"context"
"encoding/json"
"fmt"
"github.com/armory/spinnaker-operator/pkg/apis/spinnaker/interfaces"
"io"
"mime/multipart"
"net/http"
"gopkg.in/yaml.v2"
"bytes"
"github.com/armory/spinnaker-operator/pkg/generated"
)
// Service is the Halyard implementation of the ManifestGenerator
type Service struct {
url string
}
// NewService returns a new Halyard service
func NewService() *Service {
return &Service{url: "http://localhost:8064"}
}
// Generate calls Halyard to generate the required files and return a list of parsed objects
func (s *Service) Generate(ctx context.Context, spinConfig *interfaces.SpinnakerConfig) (*generated.SpinnakerGeneratedConfig, error) {
req, err := s.buildGenManifestsRequest(ctx, spinConfig)
if err != nil {
return nil, err
}
resp := s.executeRequest(req, ctx)
if resp.HasError() {
return nil, resp.Error()
}
return s.parseGenManifestsResponse(resp.Body)
}
func (s *Service) parseGenManifestsResponse(d []byte) (*generated.SpinnakerGeneratedConfig, error) {
sgc := &generated.SpinnakerGeneratedConfig{}
err := yaml.Unmarshal(d, sgc)
return sgc, err
}
func (s *Service) buildGenManifestsRequest(ctx context.Context, spinConfig *interfaces.SpinnakerConfig) (*http.Request, error) {
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
if err := s.addObjectToRequest(writer, "config", spinConfig.Config); err != nil {
return nil, err
}
//Add service settings
for k := range spinConfig.ServiceSettings {
if err := s.addObjectToRequest(writer, fmt.Sprintf("service-settings__%s.yml", k), spinConfig.ServiceSettings[k]); err != nil {
return nil, err
}
}
// Add required files
for k := range spinConfig.Files {
if err := s.addPart(writer, k, spinConfig.GetFileContent(k)); err != nil {
return nil, err
}
}
// Add profile files
//mp := spinConfig.Profiles.AsMap()
for k := range spinConfig.Profiles {
if k == "deck" {
if err := s.writeDeckProfile(spinConfig.Profiles[k]["settings-local.js"], writer); err != nil {
return nil, err
}
continue
}
if err := s.addObjectToRequest(writer, fmt.Sprintf("profiles__%s-local.yml", k), spinConfig.Profiles[k]); err != nil {
return nil, err
}
}
if err := writer.Close(); err != nil {
return nil, err
}
req, err := http.NewRequest("POST", fmt.Sprintf("%s/v1/config/deployments/manifests", s.url), body)
if err != nil {
return req, err
}
req = req.WithContext(ctx)
req.Header.Set("Content-Type", writer.FormDataContentType())
return req, nil
}
func (s *Service) addObjectToRequest(writer *multipart.Writer, param string, object interface{}) error {
b, err := yaml.Marshal(object)
if err != nil {
return err
}
return s.addPart(writer, param, b)
}
func (s *Service) addPart(writer *multipart.Writer, param string, content []byte) error {
part, err := writer.CreateFormFile(param, param)
if err != nil {
return err
}
_, err = io.Copy(part, bytes.NewReader(content))
return err
}
func (s *Service) writeDeckProfile(deckProfile interface{}, writer *multipart.Writer) error {
b := []byte(fmt.Sprintf("%v", deckProfile))
if err := s.addPart(writer, "profiles__settings-local.js", b); err != nil {
return err
}
return nil
}
func (s *Service) GetAllVersions(ctx context.Context) ([]string, error) {
req, err := http.NewRequest("GET", fmt.Sprintf("%s/v1/versions/?daemon=false", s.url), nil)
if err != nil {
return nil, err
}
resp := s.executeRequest(req, ctx)
if resp.HasError() {
return nil, resp.Error()
}
type versionListResponse struct {
Versions []map[string]string `json:"versions"`
}
parsed := &versionListResponse{}
err = json.Unmarshal(resp.Body, parsed)
if err != nil {
return nil, err
}
var versionsList []string
for _, versionInstance := range parsed.Versions {
versionsList = append(versionsList, versionInstance["version"])
}
return versionsList, nil
}
func (s *Service) GetBOM(ctx context.Context, version string) (map[string]interface{}, error) {
req, err := http.NewRequest("GET", fmt.Sprintf("%s/v1/versions/bom?daemon=false&version=%s", s.url, version), nil)
if err != nil {
return nil, err
}
resp := s.executeRequest(req, ctx)
if resp.HasError() {
return nil, resp.Error()
}
result := make(map[string]interface{})
err = json.Unmarshal(resp.Body, &result)
if err != nil {
return nil, err
}
return result, nil
}