func (c *Client) BindUnit(instance *ServiceInstance, app bind.App, unit bind.Unit) error {
log.Debugf("Calling bind of instance %q and %q unit at %q API",
instance.Name, unit.GetIp(), instance.ServiceName)
var resp *http.Response
params := map[string][]string{
"app-host": {app.GetIp()},
"unit-host": {unit.GetIp()},
}
resp, err := c.issueRequest("/resources/"+instance.GetIdentifier()+"/bind", "POST", params)
if err != nil {
return log.WrapError(errors.Wrapf(err, `Failed to bind the instance "%s/%s" to the unit %q`, instance.ServiceName, instance.Name, unit.GetIp()))
}
defer resp.Body.Close()
switch resp.StatusCode {
case http.StatusPreconditionFailed:
return ErrInstanceNotReady
case http.StatusNotFound:
return ErrInstanceNotFoundInAPI
}
if resp.StatusCode > 299 {
err = errors.Wrapf(c.buildErrorMessage(err, resp), `Failed to bind the instance "%s/%s" to the unit %q`, instance.ServiceName, instance.Name, unit.GetIp())
return log.WrapError(err)
}
return nil
}
func (p *dockerProvisioner) deployPipeline(app provision.App, imageId string, commands []string, w io.Writer) (string, error) {
actions := []*action.Action{
&insertEmptyContainerInDB,
&createContainer,
&startContainer,
&updateContainerInDB,
&followLogsAndCommit,
}
pipeline := action.NewPipeline(actions...)
buildingImage, err := appNewImageName(app.GetName())
if err != nil {
return "", log.WrapError(fmt.Errorf("error getting new image name for app %s", app.GetName()))
}
args := runContainerActionsArgs{
app: app,
imageID: imageId,
commands: commands,
writer: w,
isDeploy: true,
buildingImage: buildingImage,
provisioner: p,
}
err = pipeline.Execute(args)
if err != nil {
log.Errorf("error on execute deploy pipeline for app %s - %s", app.GetName(), err)
return "", err
}
return buildingImage, nil
}
func ensureContainersStarted(p DockerProvisioner, w io.Writer, relaunch bool, names []string, nodes ...cluster.Node) error {
if w == nil {
w = ioutil.Discard
}
var err error
if len(names) == 0 {
names, err = nodecontainer.AllNodeContainersNames()
if err != nil {
return err
}
}
if len(nodes) == 0 {
nodes, err = p.Cluster().UnfilteredNodes()
if err != nil {
return err
}
}
errChan := make(chan error, len(nodes)*len(names))
wg := sync.WaitGroup{}
log.Debugf("[node containers] recreating %d containers", len(nodes)*len(names))
recreateContainer := func(node *cluster.Node, confName string) {
defer wg.Done()
pool := node.Metadata["pool"]
containerConfig, confErr := nodecontainer.LoadNodeContainer(pool, confName)
if confErr != nil {
errChan <- confErr
return
}
if !containerConfig.Valid() {
return
}
log.Debugf("[node containers] recreating container %q in %s [%s]", confName, node.Address, pool)
fmt.Fprintf(w, "relaunching node container %q in the node %s [%s]\n", confName, node.Address, pool)
confErr = create(containerConfig, node, pool, p, relaunch)
if confErr != nil {
confErr = errors.Wrapf(confErr, "[node containers] failed to create container in %s [%s]", node.Address, pool)
errChan <- log.WrapError(confErr)
}
}
for i := range nodes {
wg.Add(1)
go func(node *cluster.Node) {
defer wg.Done()
for j := range names {
wg.Add(1)
go recreateContainer(node, names[j])
}
}(&nodes[i])
}
wg.Wait()
close(errChan)
var allErrors []error
for err = range errChan {
allErrors = append(allErrors, err)
}
if len(allErrors) == 0 {
return nil
}
return tsuruErrors.NewMultiError(allErrors...)
}
func (c *Client) Create(instance *ServiceInstance, user, requestID string) error {
var err error
var resp *http.Response
params := map[string][]string{
"name": {instance.Name},
"user": {user},
"team": {instance.TeamOwner},
"requestID": {requestID},
}
if instance.PlanName != "" {
params["plan"] = []string{instance.PlanName}
}
if instance.Description != "" {
params["description"] = []string{instance.Description}
}
log.Debugf("Attempting to call creation of service instance for %q, params: %#v", instance.ServiceName, params)
resp, err = c.issueRequest("/resources", "POST", params)
if err == nil {
defer resp.Body.Close()
if resp.StatusCode < 300 {
return nil
}
if resp.StatusCode == http.StatusConflict {
return ErrInstanceAlreadyExistsInAPI
}
}
err = errors.Wrapf(c.buildErrorMessage(err, resp), "Failed to create the instance %s", instance.Name)
return log.WrapError(err)
}
func (c *Client) Status(instance *ServiceInstance, requestID string) (string, error) {
log.Debugf("Attempting to call status of service instance %q at %q api", instance.Name, instance.ServiceName)
var (
resp *http.Response
err error
)
url := "/resources/" + instance.GetIdentifier() + "/status"
params := map[string][]string{
"requestID": {requestID},
}
if resp, err = c.issueRequest(url, "GET", params); err == nil {
defer resp.Body.Close()
switch resp.StatusCode {
case http.StatusOK:
var data []byte
data, err = ioutil.ReadAll(resp.Body)
return string(data), err
case http.StatusAccepted:
return "pending", nil
case http.StatusNoContent:
return "up", nil
case http.StatusNotFound:
return "not implemented for this service", nil
case http.StatusInternalServerError:
return "down", nil
}
}
err = errors.Wrapf(c.buildErrorMessage(err, resp), "Failed to get status of instance %s", instance.Name)
return "", log.WrapError(err)
}
// Commits commits the container, creating an image in Docker. It then returns
// the image identifier for usage in future container creation.
func (c *Container) Commit(p DockerProvisioner, writer io.Writer) (string, error) {
log.Debugf("committing container %s", c.ID)
parts := strings.Split(c.BuildingImage, ":")
if len(parts) < 2 {
return "", log.WrapError(errors.Errorf("error parsing image name, not enough parts: %s", c.BuildingImage))
}
repository := strings.Join(parts[:len(parts)-1], ":")
tag := parts[len(parts)-1]
opts := docker.CommitContainerOptions{Container: c.ID, Repository: repository, Tag: tag}
done := p.ActionLimiter().Start(c.HostAddr)
image, err := p.Cluster().CommitContainer(opts)
done()
if err != nil {
return "", log.WrapError(errors.Wrapf(err, "error in commit container %s", c.ID))
}
imgHistory, err := p.Cluster().ImageHistory(c.BuildingImage)
imgSize := ""
if err == nil && len(imgHistory) > 0 {
fullSize := imgHistory[0].Size
if len(imgHistory) > 1 && strings.Contains(imgHistory[1].CreatedBy, "tail -f /dev/null") {
fullSize += imgHistory[1].Size
}
imgSize = fmt.Sprintf("(%.02fMB)", float64(fullSize)/1024/1024)
}
fmt.Fprintf(writer, " ---> Sending image to repository %s\n", imgSize)
log.Debugf("image %s generated from container %s", image.ID, c.ID)
maxTry, _ := config.GetInt("docker:registry-max-try")
if maxTry <= 0 {
maxTry = 3
}
for i := 0; i < maxTry; i++ {
err = p.PushImage(repository, tag)
if err != nil {
fmt.Fprintf(writer, "Could not send image, trying again. Original error: %s\n", err.Error())
log.Errorf("error in push image %s: %s", c.BuildingImage, err)
time.Sleep(time.Second)
continue
}
break
}
if err != nil {
return "", log.WrapError(errors.Wrapf(err, "error in push image %s", c.BuildingImage))
}
return c.BuildingImage, nil
}
// Commits commits the container, creating an image in Docker. It then returns
// the image identifier for usage in future container creation.
func (c *Container) Commit(p DockerProvisioner, writer io.Writer) (string, error) {
log.Debugf("commiting container %s", c.ID)
parts := strings.Split(c.BuildingImage, ":")
if len(parts) < 2 {
return "", log.WrapError(fmt.Errorf("error parsing image name, not enough parts: %s", c.BuildingImage))
}
repository := strings.Join(parts[:len(parts)-1], ":")
tag := parts[len(parts)-1]
opts := docker.CommitContainerOptions{Container: c.ID, Repository: repository, Tag: tag}
image, err := p.Cluster().CommitContainer(opts)
if err != nil {
return "", log.WrapError(fmt.Errorf("error in commit container %s: %s", c.ID, err.Error()))
}
imgData, err := p.Cluster().InspectImage(c.BuildingImage)
imgSize := ""
if err == nil {
imgSize = fmt.Sprintf("(%.02fMB)", float64(imgData.Size)/1024/1024)
}
fmt.Fprintf(writer, " ---> Sending image to repository %s\n", imgSize)
log.Debugf("image %s generated from container %s", image.ID, c.ID)
maxTry, _ := config.GetInt("docker:registry-max-try")
if maxTry <= 0 {
maxTry = 3
}
for i := 0; i < maxTry; i++ {
err = p.PushImage(repository, tag)
if err != nil {
fmt.Fprintf(writer, "Could not send image, trying again. Original error: %s\n", err.Error())
log.Errorf("error in push image %s: %s", c.BuildingImage, err.Error())
time.Sleep(time.Second)
continue
}
break
}
if err != nil {
return "", log.WrapError(fmt.Errorf("error in push image %s: %s", c.BuildingImage, err.Error()))
}
return c.BuildingImage, nil
}
func (c *Client) BindApp(instance *ServiceInstance, app bind.App) (map[string]string, error) {
log.Debugf("Calling bind of instance %q and %q app at %q API",
instance.Name, app.GetName(), instance.ServiceName)
var resp *http.Response
params := map[string][]string{
"app-host": {app.GetIp()},
}
resp, err := c.issueRequest("/resources/"+instance.GetIdentifier()+"/bind-app", "POST", params)
if err != nil {
return nil, log.WrapError(errors.Wrapf(err, `Failed to bind app %q to service instance "%s/%s"`, app.GetName(), instance.ServiceName, instance.Name))
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusNotFound {
resp, err = c.issueRequest("/resources/"+instance.GetIdentifier()+"/bind", "POST", params)
}
if err != nil {
return nil, log.WrapError(errors.Wrapf(err, `Failed to bind app %q to service instance "%s/%s"`, app.GetName(), instance.ServiceName, instance.Name))
}
defer resp.Body.Close()
if resp.StatusCode < 300 {
var result map[string]string
err = c.jsonFromResponse(resp, &result)
if err != nil {
return nil, err
}
return result, nil
}
switch resp.StatusCode {
case http.StatusPreconditionFailed:
return nil, ErrInstanceNotReady
case http.StatusNotFound:
return nil, ErrInstanceNotFoundInAPI
}
err = errors.Wrapf(c.buildErrorMessage(err, resp), `Failed to bind the instance "%s/%s" to the app %q`, instance.ServiceName, instance.Name, app.GetName())
return nil, log.WrapError(err)
}
func (c *Client) Destroy(instance *ServiceInstance, requestID string) error {
log.Debugf("Attempting to call destroy of service instance %q at %q api", instance.Name, instance.ServiceName)
params := map[string][]string{
"requestID": {requestID},
}
resp, err := c.issueRequest("/resources/"+instance.GetIdentifier(), "DELETE", params)
if err == nil {
defer resp.Body.Close()
if resp.StatusCode > 299 {
if resp.StatusCode == http.StatusNotFound {
return ErrInstanceNotFoundInAPI
}
err = errors.Wrapf(c.buildErrorMessage(err, resp), "Failed to destroy the instance %s", instance.Name)
return log.WrapError(err)
}
}
return err
}
func (c *Client) UnbindApp(instance *ServiceInstance, app bind.App) error {
log.Debugf("Calling unbind of service instance %q and app %q at %q", instance.Name, app.GetName(), instance.ServiceName)
var resp *http.Response
url := "/resources/" + instance.GetIdentifier() + "/bind-app"
params := map[string][]string{
"app-host": {app.GetIp()},
}
resp, err := c.issueRequest(url, "DELETE", params)
if err == nil {
defer resp.Body.Close()
if resp.StatusCode > 299 {
if resp.StatusCode == http.StatusNotFound {
return ErrInstanceNotFoundInAPI
}
err = errors.Wrapf(c.buildErrorMessage(err, resp), "Failed to unbind (%q)", url)
return log.WrapError(err)
}
}
return err
}
