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refresher.go
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refresher.go
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package config
import (
"code.cloudfoundry.org/cli/plugin"
"encoding/json"
"errors"
"fmt"
"github.com/pivotal-cf/spring-cloud-services-cli-plugin/cfutil"
"github.com/pivotal-cf/spring-cloud-services-cli-plugin/httpclient"
"github.com/pivotal-cf/spring-cloud-services-cli-plugin/serviceutil"
"io"
"io/ioutil"
)
type Refresher interface {
Refresh(string) error
}
type refresher struct {
cliConnection plugin.CliConnection
authenticatedClient httpclient.AuthenticatedClient
serviceInstanceUrlResolver serviceutil.ServiceInstanceResolver
}
func checkRefreshStatus(reader io.Reader) error {
body, err := ioutil.ReadAll(reader)
if err != nil {
return err
}
var jsonMap map[string]map[string]string
err = json.Unmarshal(body, &jsonMap)
if err != nil {
return err
}
for _, refresh := range jsonMap {
status := refresh["status"]
if status == "FAILED" {
return errors.New("failed to refresh mirror")
}
}
return nil
}
func (r *refresher) Refresh(configServerInstanceName string) error {
accessToken, err := cfutil.GetToken(r.cliConnection)
if err != nil {
return err
}
serviceInstanceUrl, err := r.serviceInstanceUrlResolver.GetServiceInstanceUrl(configServerInstanceName, accessToken)
if err != nil {
return fmt.Errorf("error obtaining config server URL: %s", err)
}
bodyReader, status, e := r.authenticatedClient.DoAuthenticatedPost(fmt.Sprintf("%sactuator/refreshmirrors", serviceInstanceUrl), "application/json", "", accessToken)
defer bodyReader.Close()
if e != nil {
return e
}
if status != 200 {
return errors.New("failed to refresh mirror")
}
return checkRefreshStatus(bodyReader)
}
func NewRefresher(connection plugin.CliConnection, client httpclient.AuthenticatedClient, resolver serviceutil.ServiceInstanceResolver) Refresher {
return &refresher{
cliConnection: connection,
authenticatedClient: client,
serviceInstanceUrlResolver: resolver,
}
}