// Get kube client configuration from a file containing credentials for
// connecting to the master.
func getClientConfig(path string) (*kclient.Config, error) {
if 0 == len(path) {
return nil, fmt.Errorf("You must specify a .kubeconfig file path containing credentials for connecting to the master with --credentials")
}
rules := &kclientcmd.ClientConfigLoadingRules{ExplicitPath: path, Precedence: []string{}}
credentials, err := rules.Load()
if err != nil {
return nil, fmt.Errorf("Could not load credentials from %q: %v", path, err)
}
config, err := kclientcmd.NewDefaultClientConfig(*credentials, &kclientcmd.ConfigOverrides{}).ClientConfig()
if err != nil {
return nil, fmt.Errorf("Credentials %q error: %v", path, err)
}
if err := kclient.LoadTLSFiles(config); err != nil {
return nil, fmt.Errorf("Unable to load certificate info using credentials from %q: %v", path, err)
}
return config, nil
}
// RunCmdRouter contains all the necessary functionality for the OpenShift cli router command
func RunCmdRouter(f *clientcmd.Factory, cmd *cobra.Command, out io.Writer, cfg *RouterConfig, args []string) error {
var name string
switch len(args) {
case 0:
name = "router"
case 1:
name = args[0]
default:
return cmdutil.UsageError(cmd, "You may pass zero or one arguments to provide a name for the router")
}
if len(cfg.StatsUsername) > 0 {
if strings.Contains(cfg.StatsUsername, ":") {
return cmdutil.UsageError(cmd, "username %s must not contain ':'", cfg.StatsUsername)
}
}
ports, err := app.ContainerPortsFromString(cfg.Ports)
if err != nil {
glog.Fatal(err)
}
// For the host networking case, ensure the ports match.
if cfg.HostNetwork {
for i := 0; i < len(ports); i++ {
if ports[i].ContainerPort != ports[i].HostPort {
return cmdutil.UsageError(cmd, "For host networking mode, please ensure that the container [%v] and host [%v] ports match", ports[i].ContainerPort, ports[i].HostPort)
}
}
}
if cfg.StatsPort > 0 {
ports = append(ports, kapi.ContainerPort{
Name: "stats",
HostPort: cfg.StatsPort,
ContainerPort: cfg.StatsPort,
Protocol: kapi.ProtocolTCP,
})
}
label := map[string]string{"router": name}
if cfg.Labels != defaultLabel {
valid, remove, err := app.LabelsFromSpec(strings.Split(cfg.Labels, ","))
if err != nil {
glog.Fatal(err)
}
if len(remove) > 0 {
return cmdutil.UsageError(cmd, "You may not pass negative labels in %q", cfg.Labels)
}
label = valid
}
nodeSelector := map[string]string{}
if len(cfg.Selector) > 0 {
valid, remove, err := app.LabelsFromSpec(strings.Split(cfg.Selector, ","))
if err != nil {
glog.Fatal(err)
}
if len(remove) > 0 {
return cmdutil.UsageError(cmd, "You may not pass negative labels in selector %q", cfg.Selector)
}
nodeSelector = valid
}
image := cfg.ImageTemplate.ExpandOrDie(cfg.Type)
namespace, _, err := f.OpenShiftClientConfig.Namespace()
if err != nil {
return fmt.Errorf("error getting client: %v", err)
}
_, kClient, err := f.Clients()
if err != nil {
return fmt.Errorf("error getting client: %v", err)
}
_, output, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return fmt.Errorf("unable to configure printer: %v", err)
}
generate := output
if !generate {
_, err = kClient.Services(namespace).Get(name)
if err != nil {
if !errors.IsNotFound(err) {
return fmt.Errorf("can't check for existing router %q: %v", name, err)
}
generate = true
}
}
if generate {
if cfg.DryRun && !output {
return fmt.Errorf("router %q does not exist (no service)", name)
}
if len(cfg.ServiceAccount) == 0 {
return fmt.Errorf("router could not be created; you must specify a service account with --service-account")
}
err := validateServiceAccount(kClient, namespace, cfg.ServiceAccount)
if err != nil {
return fmt.Errorf("router could not be created; %v", err)
}
// create new router
if len(cfg.Credentials) == 0 {
return fmt.Errorf("router could not be created; you must specify a .kubeconfig file path containing credentials for connecting the router to the master with --credentials")
}
clientConfigLoadingRules := &kclientcmd.ClientConfigLoadingRules{ExplicitPath: cfg.Credentials, Precedence: []string{}}
credentials, err := clientConfigLoadingRules.Load()
if err != nil {
return fmt.Errorf("router could not be created; the provided credentials %q could not be loaded: %v", cfg.Credentials, err)
}
config, err := kclientcmd.NewDefaultClientConfig(*credentials, &kclientcmd.ConfigOverrides{}).ClientConfig()
if err != nil {
return fmt.Errorf("router could not be created; the provided credentials %q could not be used: %v", cfg.Credentials, err)
}
if err := kclient.LoadTLSFiles(config); err != nil {
return fmt.Errorf("router could not be created; the provided credentials %q could not load certificate info: %v", cfg.Credentials, err)
}
insecure := "false"
if config.Insecure {
insecure = "true"
}
defaultCert, err := loadDefaultCert(cfg.DefaultCertificate)
if err != nil {
return fmt.Errorf("router could not be created; error reading default certificate file", err)
}
if len(cfg.StatsPassword) == 0 {
cfg.StatsPassword = generateStatsPassword()
fmt.Fprintf(out, "password for stats user %s has been set to %s\n", cfg.StatsUsername, cfg.StatsPassword)
}
env := app.Environment{
"OPENSHIFT_MASTER": config.Host,
"OPENSHIFT_CA_DATA": string(config.CAData),
"OPENSHIFT_KEY_DATA": string(config.KeyData),
"OPENSHIFT_CERT_DATA": string(config.CertData),
"OPENSHIFT_INSECURE": insecure,
"DEFAULT_CERTIFICATE": defaultCert,
"ROUTER_SERVICE_NAME": name,
"ROUTER_SERVICE_NAMESPACE": namespace,
"STATS_PORT": strconv.Itoa(cfg.StatsPort),
"STATS_USERNAME": cfg.StatsUsername,
"STATS_PASSWORD": cfg.StatsPassword,
}
updatePercent := int(-10)
objects := []runtime.Object{
&dapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Triggers: []dapi.DeploymentTriggerPolicy{
{Type: dapi.DeploymentTriggerOnConfigChange},
},
Template: dapi.DeploymentTemplate{
Strategy: dapi.DeploymentStrategy{
Type: dapi.DeploymentStrategyTypeRolling,
RollingParams: &dapi.RollingDeploymentStrategyParams{UpdatePercent: &updatePercent},
},
ControllerTemplate: kapi.ReplicationControllerSpec{
Replicas: cfg.Replicas,
Selector: label,
Template: &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: label},
Spec: kapi.PodSpec{
HostNetwork: cfg.HostNetwork,
ServiceAccountName: cfg.ServiceAccount,
NodeSelector: nodeSelector,
Containers: []kapi.Container{
{
Name: "router",
Image: image,
Ports: ports,
Env: env.List(),
LivenessProbe: &kapi.Probe{
Handler: kapi.Handler{
TCPSocket: &kapi.TCPSocketAction{
Port: kutil.IntOrString{
IntVal: ports[0].ContainerPort,
},
},
},
InitialDelaySeconds: 10,
},
ImagePullPolicy: kapi.PullIfNotPresent,
},
},
},
},
},
},
},
}
objects = app.AddServices(objects, true)
// TODO: label all created objects with the same label - router=<name>
list := &kapi.List{Items: objects}
if output {
if err := f.PrintObject(cmd, list, out); err != nil {
return fmt.Errorf("Unable to print object: %v", err)
}
return nil
}
mapper, typer := f.Factory.Object()
bulk := configcmd.Bulk{
Mapper: mapper,
Typer: typer,
RESTClientFactory: f.Factory.RESTClient,
After: configcmd.NewPrintNameOrErrorAfter(out, os.Stderr),
}
if errs := bulk.Create(list, namespace); len(errs) != 0 {
return errExit
}
return nil
}
fmt.Fprintf(out, "Router %q service exists\n", name)
return nil
}
// RunCmdRegistry contains all the necessary functionality for the OpenShift cli registry command
func RunCmdRegistry(f *clientcmd.Factory, cmd *cobra.Command, out io.Writer, cfg *RegistryConfig, args []string) error {
var name string
switch len(args) {
case 0:
name = "docker-registry"
default:
return cmdutil.UsageError(cmd, "No arguments are allowed to this command")
}
ports, err := app.ContainerPortsFromString(cfg.Ports)
if err != nil {
return err
}
label := map[string]string{
"docker-registry": "default",
}
if cfg.Labels != defaultLabel {
valid, remove, err := app.LabelsFromSpec(strings.Split(cfg.Labels, ","))
if err != nil {
return err
}
if len(remove) > 0 {
return cmdutil.UsageError(cmd, "You may not pass negative labels in %q", cfg.Labels)
}
label = valid
}
nodeSelector := map[string]string{}
if len(cfg.Selector) > 0 {
valid, remove, err := app.LabelsFromSpec(strings.Split(cfg.Selector, ","))
if err != nil {
return err
}
if len(remove) > 0 {
return cmdutil.UsageError(cmd, "You may not pass negative labels in selector %q", cfg.Selector)
}
nodeSelector = valid
}
image := cfg.ImageTemplate.ExpandOrDie(cfg.Type)
namespace, _, err := f.OpenShiftClientConfig.Namespace()
if err != nil {
return fmt.Errorf("error getting client: %v", err)
}
_, kClient, err := f.Clients()
if err != nil {
return fmt.Errorf("error getting client: %v", err)
}
_, output, err := cmdutil.PrinterForCommand(cmd)
if err != nil {
return fmt.Errorf("unable to configure printer: %v", err)
}
generate := output
if !generate {
_, err = kClient.Services(namespace).Get(name)
if err != nil {
if !errors.IsNotFound(err) {
return fmt.Errorf("can't check for existing docker-registry %q: %v", name, err)
}
generate = true
}
}
if generate {
if cfg.DryRun && !output {
return fmt.Errorf("docker-registry %q does not exist (no service).", name)
}
// create new registry
if len(cfg.Credentials) == 0 {
return fmt.Errorf("registry does not exist; you must specify a .kubeconfig file path containing credentials for connecting the registry to the master with --credentials")
}
clientConfigLoadingRules := &kclientcmd.ClientConfigLoadingRules{ExplicitPath: cfg.Credentials}
credentials, err := clientConfigLoadingRules.Load()
if err != nil {
return fmt.Errorf("registry does not exist; the provided credentials %q could not be loaded: %v", cfg.Credentials, err)
}
config, err := kclientcmd.NewDefaultClientConfig(*credentials, &kclientcmd.ConfigOverrides{}).ClientConfig()
if err != nil {
return fmt.Errorf("registry does not exist; the provided credentials %q could not be used: %v", cfg.Credentials, err)
}
if err := kclient.LoadTLSFiles(config); err != nil {
return fmt.Errorf("registry does not exist; the provided credentials %q could not load certificate info: %v", cfg.Credentials, err)
}
insecure := "false"
if config.Insecure {
insecure = "true"
} else {
if len(config.KeyData) == 0 || len(config.CertData) == 0 {
return fmt.Errorf("registry does not exist; the provided credentials %q are missing the client certificate and/or key", cfg.Credentials)
}
}
env := app.Environment{
"OPENSHIFT_MASTER": config.Host,
"OPENSHIFT_CA_DATA": string(config.CAData),
"OPENSHIFT_KEY_DATA": string(config.KeyData),
"OPENSHIFT_CERT_DATA": string(config.CertData),
"OPENSHIFT_INSECURE": insecure,
}
mountHost := len(cfg.HostMount) > 0
podTemplate := &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: label},
Spec: kapi.PodSpec{
ServiceAccountName: cfg.ServiceAccount,
NodeSelector: nodeSelector,
Containers: []kapi.Container{
{
Name: "registry",
Image: image,
Ports: ports,
Env: env.List(),
VolumeMounts: []kapi.VolumeMount{
{
Name: "registry-storage",
MountPath: cfg.Volume,
},
},
SecurityContext: &kapi.SecurityContext{
Privileged: &mountHost,
},
// TODO reenable the liveness probe when we no longer support the v1 registry.
/*
LivenessProbe: &kapi.Probe{
InitialDelaySeconds: 3,
TimeoutSeconds: 5,
Handler: kapi.Handler{
HTTPGet: &kapi.HTTPGetAction{
Path: "/healthz",
Port: util.NewIntOrStringFromInt(5000),
},
},
},
*/
},
},
Volumes: []kapi.Volume{
{
Name: "registry-storage",
VolumeSource: kapi.VolumeSource{},
},
},
},
}
if mountHost {
podTemplate.Spec.Volumes[0].HostPath = &kapi.HostPathVolumeSource{Path: cfg.HostMount}
} else {
podTemplate.Spec.Volumes[0].EmptyDir = &kapi.EmptyDirVolumeSource{}
}
objects := []runtime.Object{
&dapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Triggers: []dapi.DeploymentTriggerPolicy{
{Type: dapi.DeploymentTriggerOnConfigChange},
},
Template: dapi.DeploymentTemplate{
ControllerTemplate: kapi.ReplicationControllerSpec{
Replicas: cfg.Replicas,
Selector: label,
Template: podTemplate,
},
},
},
}
objects = app.AddServices(objects, true)
// TODO: label all created objects with the same label
list := &kapi.List{Items: objects}
if output {
if err := f.PrintObject(cmd, list, out); err != nil {
return fmt.Errorf("unable to print object: %v", err)
}
return nil
}
mapper, typer := f.Factory.Object()
bulk := configcmd.Bulk{
Mapper: mapper,
Typer: typer,
RESTClientFactory: f.Factory.RESTClient,
After: configcmd.NewPrintNameOrErrorAfter(out, os.Stderr),
}
if errs := bulk.Create(list, namespace); len(errs) != 0 {
return errExit
}
return nil
}
fmt.Fprintf(out, "Docker registry %q service exists\n", name)
return nil
}