// Get kube client configuration from a file containing credentials for
// connecting to the master.
func getClientConfig(path string) (*restclient.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 = restclient.LoadTLSFiles(config); err != nil {
return nil, fmt.Errorf("Unable to load certificate info using credentials from %q: %v", path, err)
}
return config, nil
}
// RunCmdRegistry contains all the necessary functionality for the OpenShift cli registry command
func (opts *RegistryOptions) RunCmdRegistry() error {
name := "docker-registry"
var clusterIP string
output := opts.Config.Action.ShouldPrint()
generate := output
if !generate {
service, err := opts.serviceClient.Services(opts.namespace).Get(name)
if err != nil {
if !errors.IsNotFound(err) && !generate {
return fmt.Errorf("can't check for existing docker-registry %q: %v", name, err)
}
if !output && opts.Config.Action.DryRun {
return fmt.Errorf("Docker registry %q service does not exist", name)
}
generate = true
} else {
clusterIP = service.Spec.ClusterIP
}
}
if !generate {
fmt.Fprintf(opts.out, "Docker registry %q service exists\n", name)
return nil
}
// create new registry
secretEnv := app.Environment{}
switch {
case len(opts.Config.ServiceAccount) == 0 && len(opts.Config.Credentials) == 0:
return fmt.Errorf("registry could not be created; a service account or the path to a .kubeconfig file must be provided")
case len(opts.Config.Credentials) > 0:
clientConfigLoadingRules := &kclientcmd.ClientConfigLoadingRules{ExplicitPath: opts.Config.Credentials}
credentials, err := clientConfigLoadingRules.Load()
if err != nil {
return fmt.Errorf("registry does not exist; the provided credentials %q could not be loaded: %v", opts.Config.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", opts.Config.Credentials, err)
}
if err := restclient.LoadTLSFiles(config); err != nil {
return fmt.Errorf("registry does not exist; the provided credentials %q could not load certificate info: %v", opts.Config.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", opts.Config.Credentials)
}
}
secretEnv = 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,
}
}
needServiceAccountRole := len(opts.Config.ServiceAccount) > 0 && len(opts.Config.Credentials) == 0
var servingCert, servingKey []byte
if len(opts.Config.ServingCertPath) > 0 {
data, err := ioutil.ReadFile(opts.Config.ServingCertPath)
if err != nil {
return fmt.Errorf("registry does not exist; could not load TLS certificate file %q: %v", opts.Config.ServingCertPath, err)
}
servingCert = data
}
if len(opts.Config.ServingKeyPath) > 0 {
data, err := ioutil.ReadFile(opts.Config.ServingKeyPath)
if err != nil {
return fmt.Errorf("registry does not exist; could not load TLS private key file %q: %v", opts.Config.ServingKeyPath, err)
}
servingCert = data
}
env := app.Environment{}
env.Add(secretEnv)
env["REGISTRY_MIDDLEWARE_REPOSITORY_OPENSHIFT_ENFORCEQUOTA"] = fmt.Sprintf("%t", opts.Config.EnforceQuota)
healthzPort := defaultPort
if len(opts.ports) > 0 {
healthzPort = int(opts.ports[0].ContainerPort)
env["REGISTRY_HTTP_ADDR"] = fmt.Sprintf(":%d", healthzPort)
env["REGISTRY_HTTP_NET"] = "tcp"
}
secrets, volumes, mounts, extraEnv, tls, err := generateSecretsConfig(opts.Config, opts.namespace, servingCert, servingKey)
if err != nil {
return err
}
env.Add(extraEnv)
livenessProbe := generateLivenessProbeConfig(healthzPort, tls)
readinessProbe := generateReadinessProbeConfig(healthzPort, tls)
mountHost := len(opts.Config.HostMount) > 0
podTemplate := &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: opts.label},
Spec: kapi.PodSpec{
NodeSelector: opts.nodeSelector,
Containers: []kapi.Container{
{
Name: "registry",
Image: opts.image,
Ports: opts.ports,
Env: env.List(),
VolumeMounts: append(mounts, kapi.VolumeMount{
Name: "registry-storage",
MountPath: opts.Config.Volume,
}),
SecurityContext: &kapi.SecurityContext{
Privileged: &mountHost,
},
LivenessProbe: livenessProbe,
ReadinessProbe: readinessProbe,
},
},
Volumes: append(volumes, kapi.Volume{
Name: "registry-storage",
VolumeSource: kapi.VolumeSource{},
}),
ServiceAccountName: opts.Config.ServiceAccount,
},
}
if mountHost {
podTemplate.Spec.Volumes[len(podTemplate.Spec.Volumes)-1].HostPath = &kapi.HostPathVolumeSource{Path: opts.Config.HostMount}
} else {
podTemplate.Spec.Volumes[len(podTemplate.Spec.Volumes)-1].EmptyDir = &kapi.EmptyDirVolumeSource{}
}
objects := []runtime.Object{}
for _, s := range secrets {
objects = append(objects, s)
}
if needServiceAccountRole {
objects = append(objects,
&kapi.ServiceAccount{ObjectMeta: kapi.ObjectMeta{Name: opts.Config.ServiceAccount}},
&authapi.ClusterRoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: fmt.Sprintf("registry-%s-role", opts.Config.Name)},
Subjects: []kapi.ObjectReference{
{
Kind: "ServiceAccount",
Name: opts.Config.ServiceAccount,
Namespace: opts.namespace,
},
},
RoleRef: kapi.ObjectReference{
Kind: "ClusterRole",
Name: "system:registry",
},
},
)
}
if opts.Config.DaemonSet {
objects = append(objects, &extensions.DaemonSet{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: opts.label,
},
Spec: extensions.DaemonSetSpec{
Template: kapi.PodTemplateSpec{
ObjectMeta: podTemplate.ObjectMeta,
Spec: podTemplate.Spec,
},
},
})
} else {
objects = append(objects, &deployapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: opts.label,
},
Spec: deployapi.DeploymentConfigSpec{
Replicas: opts.Config.Replicas,
Selector: opts.label,
Triggers: []deployapi.DeploymentTriggerPolicy{
{Type: deployapi.DeploymentTriggerOnConfigChange},
},
Template: podTemplate,
},
})
}
objects = app.AddServices(objects, true)
// Set registry service's sessionAffinity to ClientIP to prevent push
// failures due to a use of poorly consistent storage shared by
// multiple replicas. Also reuse the cluster IP if provided to avoid
// changing the internal value.
for _, obj := range objects {
switch t := obj.(type) {
case *kapi.Service:
t.Spec.SessionAffinity = kapi.ServiceAffinityClientIP
t.Spec.ClusterIP = clusterIP
}
}
// TODO: label all created objects with the same label
list := &kapi.List{Items: objects}
if opts.Config.Action.ShouldPrint() {
mapper, _ := opts.factory.Object(false)
fn := cmdutil.VersionedPrintObject(opts.factory.PrintObject, opts.cmd, mapper, opts.out)
if err := fn(list); err != nil {
return fmt.Errorf("unable to print object: %v", err)
}
return nil
}
if errs := opts.Config.Action.WithMessage(fmt.Sprintf("Creating registry %s", opts.Config.Name), "created").Run(list, opts.namespace); len(errs) > 0 {
return cmdutil.ErrExit
}
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 kcmdutil.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 kcmdutil.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 kcmdutil.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)
}
cfg.Action.Bulk.Mapper = clientcmd.ResourceMapper(f)
cfg.Action.Out, cfg.Action.ErrOut = out, cmd.Out()
cfg.Action.Bulk.Op = configcmd.Create
var clusterIP string
output := cfg.Action.ShouldPrint()
generate := output
if !generate {
service, err := kClient.Services(namespace).Get(name)
if err != nil {
if !errors.IsNotFound(err) && !generate {
return fmt.Errorf("can't check for existing docker-registry %q: %v", name, err)
}
if !output && cfg.Action.DryRun {
return fmt.Errorf("Docker registry %q service does not exist", name)
}
generate = true
} else {
clusterIP = service.Spec.ClusterIP
}
}
if !generate {
fmt.Fprintf(out, "Docker registry %q service exists\n", name)
return nil
}
// create new registry
secretEnv := app.Environment{}
switch {
case len(cfg.ServiceAccount) == 0 && len(cfg.Credentials) == 0:
return fmt.Errorf("registry could not be created; a service account or the path to a .kubeconfig file must be provided")
case len(cfg.Credentials) > 0:
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 := restclient.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)
}
}
secretEnv = 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,
}
}
needServiceAccountRole := len(cfg.ServiceAccount) > 0 && len(cfg.Credentials) == 0
var servingCert, servingKey []byte
if len(cfg.ServingCertPath) > 0 {
data, err := ioutil.ReadFile(cfg.ServingCertPath)
if err != nil {
return fmt.Errorf("registry does not exist; could not load TLS certificate file %q: %v", cfg.ServingCertPath, err)
}
servingCert = data
}
if len(cfg.ServingKeyPath) > 0 {
data, err := ioutil.ReadFile(cfg.ServingKeyPath)
if err != nil {
return fmt.Errorf("registry does not exist; could not load TLS private key file %q: %v", cfg.ServingKeyPath, err)
}
servingCert = data
}
env := app.Environment{}
env.Add(secretEnv)
healthzPort := defaultPort
if len(ports) > 0 {
healthzPort = ports[0].ContainerPort
env["REGISTRY_HTTP_ADDR"] = fmt.Sprintf(":%d", healthzPort)
env["REGISTRY_HTTP_NET"] = "tcp"
}
secrets, volumes, mounts, extraEnv, tls, err := generateSecretsConfig(cfg, namespace, servingCert, servingKey)
if err != nil {
return err
}
env.Add(extraEnv)
livenessProbe := generateLivenessProbeConfig(healthzPort, tls)
readinessProbe := generateReadinessProbeConfig(healthzPort, tls)
mountHost := len(cfg.HostMount) > 0
podTemplate := &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: label},
Spec: kapi.PodSpec{
NodeSelector: nodeSelector,
Containers: []kapi.Container{
{
Name: "registry",
Image: image,
Ports: ports,
Env: env.List(),
VolumeMounts: append(mounts, kapi.VolumeMount{
Name: "registry-storage",
MountPath: cfg.Volume,
}),
SecurityContext: &kapi.SecurityContext{
Privileged: &mountHost,
},
LivenessProbe: livenessProbe,
ReadinessProbe: readinessProbe,
},
},
Volumes: append(volumes, kapi.Volume{
Name: "registry-storage",
VolumeSource: kapi.VolumeSource{},
}),
ServiceAccountName: cfg.ServiceAccount,
},
}
if mountHost {
podTemplate.Spec.Volumes[len(podTemplate.Spec.Volumes)-1].HostPath = &kapi.HostPathVolumeSource{Path: cfg.HostMount}
} else {
podTemplate.Spec.Volumes[len(podTemplate.Spec.Volumes)-1].EmptyDir = &kapi.EmptyDirVolumeSource{}
}
objects := []runtime.Object{}
for _, s := range secrets {
objects = append(objects, s)
}
if needServiceAccountRole {
objects = append(objects,
&kapi.ServiceAccount{ObjectMeta: kapi.ObjectMeta{Name: cfg.ServiceAccount}},
&authapi.ClusterRoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: fmt.Sprintf("registry-%s-role", cfg.Name)},
Subjects: []kapi.ObjectReference{
{
Kind: "ServiceAccount",
Name: cfg.ServiceAccount,
Namespace: namespace,
},
},
RoleRef: kapi.ObjectReference{
Kind: "ClusterRole",
Name: "system:registry",
},
},
)
}
if cfg.DaemonSet {
objects = append(objects, &extensions.DaemonSet{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Spec: extensions.DaemonSetSpec{
Template: kapi.PodTemplateSpec{
ObjectMeta: podTemplate.ObjectMeta,
Spec: podTemplate.Spec,
},
},
})
} else {
objects = append(objects, &deployapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Spec: deployapi.DeploymentConfigSpec{
Replicas: cfg.Replicas,
Selector: label,
Triggers: []deployapi.DeploymentTriggerPolicy{
{Type: deployapi.DeploymentTriggerOnConfigChange},
},
Template: podTemplate,
},
})
}
objects = app.AddServices(objects, true)
// Set registry service's sessionAffinity to ClientIP to prevent push
// failures due to a use of poorly consistent storage shared by
// multiple replicas. Also reuse the cluster IP if provided to avoid
// changing the internal value.
for _, obj := range objects {
switch t := obj.(type) {
case *kapi.Service:
t.Spec.SessionAffinity = kapi.ServiceAffinityClientIP
t.Spec.ClusterIP = clusterIP
}
}
// TODO: label all created objects with the same label
list := &kapi.List{Items: objects}
if cfg.Action.ShouldPrint() {
mapper, _ := f.Object(false)
fn := cmdutil.VersionedPrintObject(f.PrintObject, cmd, mapper, out)
if err := fn(list); err != nil {
return fmt.Errorf("unable to print object: %v", err)
}
return nil
}
if errs := cfg.Action.WithMessage(fmt.Sprintf("Creating registry %s", cfg.Name), "created").Run(list, namespace); len(errs) > 0 {
return cmdutil.ErrExit
}
return nil
}
// RunCmdRouter contains all the necessary functionality for the
// OpenShift CLI router command.
func RunCmdRouter(f *clientcmd.Factory, cmd *cobra.Command, out, errout io.Writer, cfg *RouterConfig, args []string) error {
switch len(args) {
case 0:
// uses default value
case 1:
cfg.Name = args[0]
default:
return kcmdutil.UsageError(cmd, "You may pass zero or one arguments to provide a name for the router")
}
name := cfg.Name
var defaultOutputErr error
if len(cfg.StatsUsername) > 0 {
if strings.Contains(cfg.StatsUsername, ":") {
return kcmdutil.UsageError(cmd, "username %s must not contain ':'", cfg.StatsUsername)
}
}
if len(cfg.Subdomain) > 0 && len(cfg.ForceSubdomain) > 0 {
return kcmdutil.UsageError(cmd, "only one of --subdomain, --force-subdomain can be specified")
}
ports, err := app.ContainerPortsFromString(cfg.Ports)
if err != nil {
return fmt.Errorf("unable to parse --ports: %v", err)
}
// HostNetwork overrides HostPorts
if cfg.HostNetwork {
cfg.HostPorts = false
}
// For the host networking case, ensure the ports match.
if cfg.HostNetwork {
for i := 0; i < len(ports); i++ {
if ports[i].HostPort != 0 && ports[i].ContainerPort != ports[i].HostPort {
return fmt.Errorf("when using host networking mode, container port %d and host port %d must be equal", ports[i].ContainerPort, ports[i].HostPort)
}
}
}
if cfg.StatsPort > 0 {
port := kapi.ContainerPort{
Name: "stats",
ContainerPort: int32(cfg.StatsPort),
Protocol: kapi.ProtocolTCP,
}
if cfg.HostPorts {
port.HostPort = int32(cfg.StatsPort)
}
ports = append(ports, port)
}
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 kcmdutil.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 kcmdutil.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)
}
cfg.Action.Bulk.Mapper = clientcmd.ResourceMapper(f)
cfg.Action.Out, cfg.Action.ErrOut = out, errout
cfg.Action.Bulk.Op = configcmd.Create
var clusterIP string
output := cfg.Action.ShouldPrint()
generate := output
service, err := kClient.Services(namespace).Get(name)
if err != nil {
if !generate {
if !errors.IsNotFound(err) {
return fmt.Errorf("can't check for existing router %q: %v", name, err)
}
if !output && cfg.Action.DryRun {
return fmt.Errorf("Router %q service does not exist", name)
}
generate = true
}
} else {
clusterIP = service.Spec.ClusterIP
}
if !generate {
fmt.Fprintf(out, "Router %q service exists\n", name)
return nil
}
if len(cfg.ServiceAccount) == 0 {
return fmt.Errorf("you must specify a service account for the router with --service-account")
}
if err := validateServiceAccount(kClient, namespace, cfg.ServiceAccount, cfg.HostNetwork, cfg.HostPorts); err != nil {
err = fmt.Errorf("router could not be created; %v", err)
if !cfg.Action.ShouldPrint() {
return err
}
fmt.Fprintf(errout, "error: %v\n", err)
defaultOutputErr = cmdutil.ErrExit
}
// create new router
secretEnv := app.Environment{}
switch {
case len(cfg.Credentials) == 0 && len(cfg.ServiceAccount) == 0:
return fmt.Errorf("router could not be created; you must specify a service account with --service-account, or a .kubeconfig file path containing credentials for connecting the router to the master with --credentials")
case len(cfg.Credentials) > 0:
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 := restclient.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"
}
secretEnv.Add(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,
})
}
createServiceAccount := len(cfg.ServiceAccount) > 0 && len(cfg.Credentials) == 0
defaultCert, err := fileutil.LoadData(cfg.DefaultCertificate)
if err != nil {
return fmt.Errorf("router could not be created; error reading default certificate file: %v", err)
}
if len(cfg.StatsPassword) == 0 {
cfg.StatsPassword = generateStatsPassword()
if !cfg.Action.ShouldPrint() {
fmt.Fprintf(errout, "info: password for stats user %s has been set to %s\n", cfg.StatsUsername, cfg.StatsPassword)
}
}
env := app.Environment{
"ROUTER_SUBDOMAIN": cfg.Subdomain,
"ROUTER_SERVICE_NAME": name,
"ROUTER_SERVICE_NAMESPACE": namespace,
"ROUTER_SERVICE_HTTP_PORT": "80",
"ROUTER_SERVICE_HTTPS_PORT": "443",
"ROUTER_EXTERNAL_HOST_HOSTNAME": cfg.ExternalHost,
"ROUTER_EXTERNAL_HOST_USERNAME": cfg.ExternalHostUsername,
"ROUTER_EXTERNAL_HOST_PASSWORD": cfg.ExternalHostPassword,
"ROUTER_EXTERNAL_HOST_HTTP_VSERVER": cfg.ExternalHostHttpVserver,
"ROUTER_EXTERNAL_HOST_HTTPS_VSERVER": cfg.ExternalHostHttpsVserver,
"ROUTER_EXTERNAL_HOST_INSECURE": strconv.FormatBool(cfg.ExternalHostInsecure),
"ROUTER_EXTERNAL_HOST_PARTITION_PATH": cfg.ExternalHostPartitionPath,
"ROUTER_EXTERNAL_HOST_PRIVKEY": privkeyPath,
"ROUTER_EXTERNAL_HOST_INTERNAL_ADDRESS": cfg.ExternalHostInternalIP,
"ROUTER_EXTERNAL_HOST_VXLAN_GW_CIDR": cfg.ExternalHostVxLANGateway,
"STATS_PORT": strconv.Itoa(cfg.StatsPort),
"STATS_USERNAME": cfg.StatsUsername,
"STATS_PASSWORD": cfg.StatsPassword,
}
if len(cfg.ForceSubdomain) > 0 {
env["ROUTER_SUBDOMAIN"] = cfg.ForceSubdomain
env["ROUTER_OVERRIDE_HOSTNAME"] = "true"
}
env.Add(secretEnv)
if len(defaultCert) > 0 {
if cfg.SecretsAsEnv {
env.Add(app.Environment{"DEFAULT_CERTIFICATE": string(defaultCert)})
} else {
env.Add(app.Environment{"DEFAULT_CERTIFICATE_PATH": defaultCertificatePath})
}
}
env.Add(app.Environment{"DEFAULT_CERTIFICATE_DIR": defaultCertificateDir})
var certName = fmt.Sprintf("%s-certs", cfg.Name)
secrets, volumes, mounts, err := generateSecretsConfig(cfg, kClient, namespace, defaultCert, certName)
if err != nil {
return fmt.Errorf("router could not be created: %v", err)
}
livenessProbe := generateLivenessProbeConfig(cfg, ports)
readinessProbe := generateReadinessProbeConfig(cfg, ports)
exposedPorts := make([]kapi.ContainerPort, len(ports))
copy(exposedPorts, ports)
if !cfg.HostPorts {
for i := range exposedPorts {
exposedPorts[i].HostPort = 0
}
}
containers := []kapi.Container{
{
Name: "router",
Image: image,
Ports: exposedPorts,
Env: env.List(),
LivenessProbe: livenessProbe,
ReadinessProbe: readinessProbe,
ImagePullPolicy: kapi.PullIfNotPresent,
VolumeMounts: mounts,
Resources: kapi.ResourceRequirements{
Requests: kapi.ResourceList{
kapi.ResourceCPU: resource.MustParse("100m"),
kapi.ResourceMemory: resource.MustParse("256Mi"),
},
},
},
}
if cfg.StatsPort > 0 && cfg.ExposeMetrics {
pc := generateMetricsExporterContainer(cfg, env)
if pc != nil {
containers = append(containers, *pc)
}
}
objects := []runtime.Object{}
for _, s := range secrets {
objects = append(objects, s)
}
if createServiceAccount {
objects = append(objects,
&kapi.ServiceAccount{ObjectMeta: kapi.ObjectMeta{Name: cfg.ServiceAccount}},
&authapi.ClusterRoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: generateRoleBindingName(cfg.Name)},
Subjects: []kapi.ObjectReference{
{
Kind: "ServiceAccount",
Name: cfg.ServiceAccount,
Namespace: namespace,
},
},
RoleRef: kapi.ObjectReference{
Kind: "ClusterRole",
Name: "system:router",
},
},
)
}
objects = append(objects, &deployapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Spec: deployapi.DeploymentConfigSpec{
Strategy: deployapi.DeploymentStrategy{
Type: deployapi.DeploymentStrategyTypeRolling,
RollingParams: &deployapi.RollingDeploymentStrategyParams{MaxUnavailable: intstr.FromString("25%")},
},
Replicas: cfg.Replicas,
Selector: label,
Triggers: []deployapi.DeploymentTriggerPolicy{
{Type: deployapi.DeploymentTriggerOnConfigChange},
},
Template: &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: label},
Spec: kapi.PodSpec{
SecurityContext: &kapi.PodSecurityContext{
HostNetwork: cfg.HostNetwork,
},
ServiceAccountName: cfg.ServiceAccount,
NodeSelector: nodeSelector,
Containers: containers,
Volumes: volumes,
},
},
},
})
objects = app.AddServices(objects, false)
// set the service port to the provided output port value
for i := range objects {
switch t := objects[i].(type) {
case *kapi.Service:
t.Spec.ClusterIP = clusterIP
for j, servicePort := range t.Spec.Ports {
for _, targetPort := range ports {
if targetPort.ContainerPort == servicePort.Port && targetPort.HostPort != 0 {
t.Spec.Ports[j].Port = targetPort.HostPort
}
}
}
if len(defaultCert) == 0 {
// When a user does not provide the default cert (pem), create one via a Service annotation
// The secret generated by the service annotaion contains a tls.crt and tls.key
// which ultimately need to be combined into a pem
t.Annotations = map[string]string{"service.alpha.openshift.io/serving-cert-secret-name": certName}
}
}
}
// TODO: label all created objects with the same label - router=<name>
list := &kapi.List{Items: objects}
if cfg.Action.ShouldPrint() {
mapper, _ := f.Object(false)
fn := cmdutil.VersionedPrintObject(f.PrintObject, cmd, mapper, out)
if err := fn(list); err != nil {
return fmt.Errorf("unable to print object: %v", err)
}
return defaultOutputErr
}
levelPrefixFilter := func(e error) string {
// only ignore SA/RB errors if we were creating the service account
if createServiceAccount && ignoreError(e, cfg.ServiceAccount, generateRoleBindingName(cfg.Name)) {
return "warning"
}
return "error"
}
cfg.Action.Bulk.IgnoreError = func(e error) bool {
return levelPrefixFilter(e) == "warning"
}
if errs := cfg.Action.WithMessageAndPrefix(fmt.Sprintf("Creating router %s", cfg.Name), "created", levelPrefixFilter).Run(list, namespace); len(errs) > 0 {
return cmdutil.ErrExit
}
return 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 {
switch len(args) {
case 0:
// uses default value
case 1:
cfg.Name = args[0]
default:
return kcmdutil.UsageError(cmd, "You may pass zero or one arguments to provide a name for the router")
}
name := cfg.Name
var defaultOutputErr error
if len(cfg.StatsUsername) > 0 {
if strings.Contains(cfg.StatsUsername, ":") {
return kcmdutil.UsageError(cmd, "username %s must not contain ':'", cfg.StatsUsername)
}
}
if len(cfg.Subdomain) > 0 && len(cfg.ForceSubdomain) > 0 {
return kcmdutil.UsageError(cmd, "only one of --subdomain, --force-subdomain can be specified")
}
ports, err := app.ContainerPortsFromString(cfg.Ports)
if err != nil {
return fmt.Errorf("unable to parse --ports: %v", err)
}
// HostNetwork overrides HostPorts
if cfg.HostNetwork {
cfg.HostPorts = false
}
// For the host networking case, ensure the ports match.
if cfg.HostNetwork {
for i := 0; i < len(ports); i++ {
if ports[i].HostPort != 0 && ports[i].ContainerPort != ports[i].HostPort {
return fmt.Errorf("when using host networking mode, container port %d and host port %d must be equal", ports[i].ContainerPort, ports[i].HostPort)
}
}
}
if cfg.StatsPort > 0 {
port := kapi.ContainerPort{
Name: "stats",
ContainerPort: cfg.StatsPort,
Protocol: kapi.ProtocolTCP,
}
if cfg.HostPorts {
port.HostPort = cfg.StatsPort
}
ports = append(ports, port)
}
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 kcmdutil.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 kcmdutil.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 := kcmdutil.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 {
fmt.Fprintf(out, "Router %q service exists\n", name)
return nil
}
if cfg.DryRun && !output {
return fmt.Errorf("router %q does not exist (no service)", name)
}
if len(cfg.ServiceAccount) == 0 {
return fmt.Errorf("you must specify a service account for the router with --service-account")
}
if err := validateServiceAccount(kClient, namespace, cfg.ServiceAccount, cfg.HostNetwork, cfg.HostPorts); err != nil {
err = fmt.Errorf("router could not be created; %v", err)
if !output {
return err
}
fmt.Fprintf(cmd.Out(), "error: %v\n", err)
defaultOutputErr = cmdutil.ErrExit
}
// create new router
secretEnv := app.Environment{}
switch {
case len(cfg.Credentials) == 0 && len(cfg.ServiceAccount) == 0:
return fmt.Errorf("router could not be created; you must specify a service account with --service-account, or a .kubeconfig file path containing credentials for connecting the router to the master with --credentials")
case len(cfg.Credentials) > 0:
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 := restclient.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"
}
secretEnv.Add(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,
})
}
createServiceAccount := len(cfg.ServiceAccount) > 0 && len(cfg.Credentials) == 0
defaultCert, err := fileutil.LoadData(cfg.DefaultCertificate)
if err != nil {
return fmt.Errorf("router could not be created; error reading default certificate file: %v", err)
}
if len(cfg.StatsPassword) == 0 {
cfg.StatsPassword = generateStatsPassword()
if !output {
fmt.Fprintf(cmd.Out(), "info: password for stats user %s has been set to %s\n", cfg.StatsUsername, cfg.StatsPassword)
}
}
env := app.Environment{
"ROUTER_SUBDOMAIN": cfg.Subdomain,
"ROUTER_SERVICE_NAME": name,
"ROUTER_SERVICE_NAMESPACE": namespace,
"ROUTER_SERVICE_HTTP_PORT": "80",
"ROUTER_SERVICE_HTTPS_PORT": "443",
"ROUTER_EXTERNAL_HOST_HOSTNAME": cfg.ExternalHost,
"ROUTER_EXTERNAL_HOST_USERNAME": cfg.ExternalHostUsername,
"ROUTER_EXTERNAL_HOST_PASSWORD": cfg.ExternalHostPassword,
"ROUTER_EXTERNAL_HOST_HTTP_VSERVER": cfg.ExternalHostHttpVserver,
"ROUTER_EXTERNAL_HOST_HTTPS_VSERVER": cfg.ExternalHostHttpsVserver,
"ROUTER_EXTERNAL_HOST_INSECURE": strconv.FormatBool(cfg.ExternalHostInsecure),
"ROUTER_EXTERNAL_HOST_PARTITION_PATH": cfg.ExternalHostPartitionPath,
"ROUTER_EXTERNAL_HOST_PRIVKEY": privkeyPath,
"STATS_PORT": strconv.Itoa(cfg.StatsPort),
"STATS_USERNAME": cfg.StatsUsername,
"STATS_PASSWORD": cfg.StatsPassword,
}
if len(cfg.ForceSubdomain) > 0 {
env["ROUTER_SUBDOMAIN"] = cfg.ForceSubdomain
env["ROUTER_OVERRIDE_HOSTNAME"] = "true"
}
env.Add(secretEnv)
if len(defaultCert) > 0 {
if cfg.SecretsAsEnv {
env.Add(app.Environment{"DEFAULT_CERTIFICATE": string(defaultCert)})
} else {
// TODO: make --credentials create secrets and bypass service account
env.Add(app.Environment{"DEFAULT_CERTIFICATE_PATH": defaultCertificatePath})
}
}
secrets, volumes, mounts, err := generateSecretsConfig(cfg, kClient, namespace, defaultCert)
if err != nil {
return fmt.Errorf("router could not be created: %v", err)
}
livenessProbe := generateLivenessProbeConfig(cfg, ports)
readinessProbe := generateReadinessProbeConfig(cfg, ports)
exposedPorts := make([]kapi.ContainerPort, len(ports))
copy(exposedPorts, ports)
if !cfg.HostPorts {
for i := range exposedPorts {
exposedPorts[i].HostPort = 0
}
}
containers := []kapi.Container{
{
Name: "router",
Image: image,
Ports: exposedPorts,
Env: env.List(),
LivenessProbe: livenessProbe,
ReadinessProbe: readinessProbe,
ImagePullPolicy: kapi.PullIfNotPresent,
VolumeMounts: mounts,
},
}
if cfg.StatsPort > 0 && cfg.ExposeMetrics {
pc := generateMetricsExporterContainer(cfg, env)
if pc != nil {
containers = append(containers, *pc)
}
}
objects := []runtime.Object{}
for _, s := range secrets {
objects = append(objects, s)
}
if createServiceAccount {
objects = append(objects,
&kapi.ServiceAccount{ObjectMeta: kapi.ObjectMeta{Name: cfg.ServiceAccount}},
&authapi.ClusterRoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: fmt.Sprintf("router-%s-role", cfg.Name)},
Subjects: []kapi.ObjectReference{
{
Kind: "ServiceAccount",
Name: cfg.ServiceAccount,
Namespace: namespace,
},
},
RoleRef: kapi.ObjectReference{
Kind: "ClusterRole",
Name: "system:router",
},
},
)
}
updatePercent := int(-25)
objects = append(objects, &deployapi.DeploymentConfig{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: label,
},
Spec: deployapi.DeploymentConfigSpec{
Strategy: deployapi.DeploymentStrategy{
Type: deployapi.DeploymentStrategyTypeRolling,
RollingParams: &deployapi.RollingDeploymentStrategyParams{UpdatePercent: &updatePercent},
},
Replicas: cfg.Replicas,
Selector: label,
Triggers: []deployapi.DeploymentTriggerPolicy{
{Type: deployapi.DeploymentTriggerOnConfigChange},
},
Template: &kapi.PodTemplateSpec{
ObjectMeta: kapi.ObjectMeta{Labels: label},
Spec: kapi.PodSpec{
SecurityContext: &kapi.PodSecurityContext{
HostNetwork: cfg.HostNetwork,
},
ServiceAccountName: cfg.ServiceAccount,
NodeSelector: nodeSelector,
Containers: containers,
Volumes: volumes,
},
},
},
})
objects = app.AddServices(objects, false)
// set the service port to the provided output port value
for i := range objects {
switch t := objects[i].(type) {
case *kapi.Service:
for j, servicePort := range t.Spec.Ports {
for _, targetPort := range ports {
if targetPort.ContainerPort == servicePort.Port && targetPort.HostPort != 0 {
t.Spec.Ports[j].Port = targetPort.HostPort
}
}
}
}
}
// TODO: label all created objects with the same label - router=<name>
list := &kapi.List{Items: objects}
if output {
fn := cmdutil.VersionedPrintObject(f.PrintObject, cmd, out)
if err := fn(list); err != nil {
return fmt.Errorf("unable to print object: %v", err)
}
return defaultOutputErr
}
mapper, typer := f.Factory.Object()
bulk := configcmd.Bulk{
Mapper: mapper,
Typer: typer,
RESTClientFactory: f.Factory.ClientForMapping,
After: configcmd.NewPrintNameOrErrorAfter(mapper, kcmdutil.GetFlagString(cmd, "output") == "name", "created", out, cmd.Out()),
}
if errs := bulk.Create(list, namespace); len(errs) != 0 {
return cmdutil.ErrExit
}
return nil
}