func buildContainers(userContainers []interface{}) []api.Container {
if len(userContainers) == 0 {
return nil
}
var containers []api.Container
for _, c := range userContainers {
userContainer := c.(map[string]interface{})
container := api.Container{
Image: userContainer["image"].(string),
Name: userContainer["name"].(string),
}
if _, ok := userContainer["args"]; ok {
container.Args = convertListToStringArray(userContainer["args"].([]interface{}))
}
if _, ok := userContainer["command"]; ok {
container.Command = convertListToStringArray(userContainer["command"].([]interface{}))
}
if _, ok := userContainer["working_dir"]; ok {
container.WorkingDir = userContainer["working_dir"].(string)
}
if _, ok := userContainer["ports"]; ok {
container.Ports = buildContainerPorts(userContainer["ports"].([]interface{}))
}
if _, ok := userContainer["env"]; ok {
container.Env = buildEnvVar(userContainer["env"].([]interface{}))
}
containers = append(containers, container)
}
return containers
}
func Containers(userContainers []interface{}) []api.Container {
if len(userContainers) == 0 {
return nil
}
var containers []api.Container
for _, c := range userContainers {
userContainer := c.(map[string]interface{})
container := api.Container{
Image: userContainer["image"].(string),
Name: userContainer["name"].(string),
}
if _, ok := userContainer["args"]; ok {
container.Args = convertListToStringArray(userContainer["args"].([]interface{}))
}
if _, ok := userContainer["command"]; ok {
container.Command = convertListToStringArray(userContainer["command"].([]interface{}))
}
if _, ok := userContainer["working_dir"]; ok {
container.WorkingDir = userContainer["working_dir"].(string)
}
if _, ok := userContainer["ports"]; ok {
container.Ports = ContainerPorts(userContainer["ports"].([]interface{}))
}
if _, ok := userContainer["env"]; ok {
container.Env = EnvVar(userContainer["env"].([]interface{}))
}
if _, ok := userContainer["volume_mounts"]; ok {
container.VolumeMounts = VolumeMounts(userContainer["volume_mounts"].([]interface{}))
}
if _, ok := userContainer["termination_message_path"]; ok {
container.TerminationMessagePath = userContainer["termination_message_path"].(string)
}
if _, ok := userContainer["image_pull_policy"]; ok {
container.ImagePullPolicy = api.PullPolicy(userContainer["image_pull_policy"].(string))
}
// TODO: populate these fields:
// resources
// liveness_probe
// readiness_probe
// lifecycle
// security_context
containers = append(containers, container)
}
return containers
}
func convert_v1beta3_Container_To_api_Container(in *Container, out *api.Container, s conversion.Scope) error {
if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
defaulting.(func(*Container))(in)
}
out.Name = in.Name
out.Image = in.Image
if in.Command != nil {
out.Command = make([]string, len(in.Command))
for i := range in.Command {
out.Command[i] = in.Command[i]
}
}
if in.Args != nil {
out.Args = make([]string, len(in.Args))
for i := range in.Args {
out.Args[i] = in.Args[i]
}
}
out.WorkingDir = in.WorkingDir
if in.Ports != nil {
out.Ports = make([]api.ContainerPort, len(in.Ports))
for i := range in.Ports {
if err := convert_v1beta3_ContainerPort_To_api_ContainerPort(&in.Ports[i], &out.Ports[i], s); err != nil {
return err
}
}
}
if in.Env != nil {
out.Env = make([]api.EnvVar, len(in.Env))
for i := range in.Env {
if err := convert_v1beta3_EnvVar_To_api_EnvVar(&in.Env[i], &out.Env[i], s); err != nil {
return err
}
}
}
if err := s.Convert(&in.Resources, &out.Resources, 0); err != nil {
return err
}
if in.VolumeMounts != nil {
out.VolumeMounts = make([]api.VolumeMount, len(in.VolumeMounts))
for i := range in.VolumeMounts {
if err := convert_v1beta3_VolumeMount_To_api_VolumeMount(&in.VolumeMounts[i], &out.VolumeMounts[i], s); err != nil {
return err
}
}
}
if in.LivenessProbe != nil {
out.LivenessProbe = new(api.Probe)
if err := convert_v1beta3_Probe_To_api_Probe(in.LivenessProbe, out.LivenessProbe, s); err != nil {
return err
}
} else {
out.LivenessProbe = nil
}
if in.ReadinessProbe != nil {
out.ReadinessProbe = new(api.Probe)
if err := convert_v1beta3_Probe_To_api_Probe(in.ReadinessProbe, out.ReadinessProbe, s); err != nil {
return err
}
} else {
out.ReadinessProbe = nil
}
if in.Lifecycle != nil {
out.Lifecycle = new(api.Lifecycle)
if err := convert_v1beta3_Lifecycle_To_api_Lifecycle(in.Lifecycle, out.Lifecycle, s); err != nil {
return err
}
} else {
out.Lifecycle = nil
}
out.TerminationMessagePath = in.TerminationMessagePath
out.ImagePullPolicy = api.PullPolicy(in.ImagePullPolicy)
if in.SecurityContext != nil {
if in.SecurityContext.Capabilities != nil {
if !reflect.DeepEqual(in.SecurityContext.Capabilities.Add, in.Capabilities.Add) ||
!reflect.DeepEqual(in.SecurityContext.Capabilities.Drop, in.Capabilities.Drop) {
return fmt.Errorf("container capability settings do not match security context settings, cannot convert")
}
}
if in.SecurityContext.Privileged != nil {
if in.Privileged != *in.SecurityContext.Privileged {
return fmt.Errorf("container privileged settings do not match security context settings, cannot convert")
}
}
}
if in.SecurityContext != nil {
out.SecurityContext = new(api.SecurityContext)
if err := convert_v1beta3_SecurityContext_To_api_SecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
return err
}
} else {
out.SecurityContext = nil
}
out.Stdin = in.Stdin
out.TTY = in.TTY
return nil
}
func deepCopy_api_Container(in api.Container, out *api.Container, c *conversion.Cloner) error {
out.Name = in.Name
out.Image = in.Image
if in.Command != nil {
out.Command = make([]string, len(in.Command))
for i := range in.Command {
out.Command[i] = in.Command[i]
}
} else {
out.Command = nil
}
if in.Args != nil {
out.Args = make([]string, len(in.Args))
for i := range in.Args {
out.Args[i] = in.Args[i]
}
} else {
out.Args = nil
}
out.WorkingDir = in.WorkingDir
if in.Ports != nil {
out.Ports = make([]api.ContainerPort, len(in.Ports))
for i := range in.Ports {
if err := deepCopy_api_ContainerPort(in.Ports[i], &out.Ports[i], c); err != nil {
return err
}
}
} else {
out.Ports = nil
}
if in.Env != nil {
out.Env = make([]api.EnvVar, len(in.Env))
for i := range in.Env {
if err := deepCopy_api_EnvVar(in.Env[i], &out.Env[i], c); err != nil {
return err
}
}
} else {
out.Env = nil
}
if err := deepCopy_api_ResourceRequirements(in.Resources, &out.Resources, c); err != nil {
return err
}
if in.VolumeMounts != nil {
out.VolumeMounts = make([]api.VolumeMount, len(in.VolumeMounts))
for i := range in.VolumeMounts {
if err := deepCopy_api_VolumeMount(in.VolumeMounts[i], &out.VolumeMounts[i], c); err != nil {
return err
}
}
} else {
out.VolumeMounts = nil
}
if in.LivenessProbe != nil {
out.LivenessProbe = new(api.Probe)
if err := deepCopy_api_Probe(*in.LivenessProbe, out.LivenessProbe, c); err != nil {
return err
}
} else {
out.LivenessProbe = nil
}
if in.ReadinessProbe != nil {
out.ReadinessProbe = new(api.Probe)
if err := deepCopy_api_Probe(*in.ReadinessProbe, out.ReadinessProbe, c); err != nil {
return err
}
} else {
out.ReadinessProbe = nil
}
if in.Lifecycle != nil {
out.Lifecycle = new(api.Lifecycle)
if err := deepCopy_api_Lifecycle(*in.Lifecycle, out.Lifecycle, c); err != nil {
return err
}
} else {
out.Lifecycle = nil
}
out.TerminationMessagePath = in.TerminationMessagePath
out.ImagePullPolicy = in.ImagePullPolicy
if in.SecurityContext != nil {
out.SecurityContext = new(api.SecurityContext)
if err := deepCopy_api_SecurityContext(*in.SecurityContext, out.SecurityContext, c); err != nil {
return err
}
} else {
out.SecurityContext = nil
}
out.Stdin = in.Stdin
out.TTY = in.TTY
return nil
}
// Deploys an app based on the given configuration. The app is deployed using the given client.
// App deployment consists of a replication controller and an optional service. Both of them share
// common labels.
func DeployApp(spec *AppDeploymentSpec, client client.Interface) error {
log.Printf("Deploying %s application into %s namespace", spec.Name, spec.Namespace)
annotations := map[string]string{}
if spec.Description != nil {
annotations[DescriptionAnnotationKey] = *spec.Description
}
labels := getLabelsMap(spec.Labels)
objectMeta := api.ObjectMeta{
Annotations: annotations,
Name: spec.Name,
Labels: labels,
}
containerSpec := api.Container{
Name: spec.Name,
Image: spec.ContainerImage,
SecurityContext: &api.SecurityContext{
Privileged: &spec.RunAsPrivileged,
},
Resources: api.ResourceRequirements{
Requests: make(map[api.ResourceName]resource.Quantity),
},
Env: convertEnvVarsSpec(spec.Variables),
}
if spec.ContainerCommand != nil {
containerSpec.Command = []string{*spec.ContainerCommand}
}
if spec.ContainerCommandArgs != nil {
containerSpec.Args = []string{*spec.ContainerCommandArgs}
}
if spec.CpuRequirement != nil {
containerSpec.Resources.Requests[api.ResourceCPU] = *spec.CpuRequirement
}
if spec.MemoryRequirement != nil {
containerSpec.Resources.Requests[api.ResourceMemory] = *spec.MemoryRequirement
}
podSpec := api.PodSpec{
Containers: []api.Container{containerSpec},
}
if spec.ImagePullSecret != nil {
podSpec.ImagePullSecrets = []api.LocalObjectReference{{Name: *spec.ImagePullSecret}}
}
podTemplate := &api.PodTemplateSpec{
ObjectMeta: objectMeta,
Spec: podSpec,
}
replicationController := &api.ReplicationController{
ObjectMeta: objectMeta,
Spec: api.ReplicationControllerSpec{
Replicas: spec.Replicas,
Selector: labels,
Template: podTemplate,
},
}
_, err := client.ReplicationControllers(spec.Namespace).Create(replicationController)
if err != nil {
// TODO(bryk): Roll back created resources in case of error.
return err
}
if len(spec.PortMappings) > 0 {
service := &api.Service{
ObjectMeta: objectMeta,
Spec: api.ServiceSpec{
Selector: labels,
},
}
if spec.IsExternal {
service.Spec.Type = api.ServiceTypeLoadBalancer
} else {
service.Spec.Type = api.ServiceTypeClusterIP
}
for _, portMapping := range spec.PortMappings {
servicePort :=
api.ServicePort{
Protocol: portMapping.Protocol,
Port: portMapping.Port,
Name: generatePortMappingName(portMapping),
TargetPort: intstr.IntOrString{
Type: intstr.Int,
IntVal: portMapping.TargetPort,
},
}
service.Spec.Ports = append(service.Spec.Ports, servicePort)
}
_, err = client.Services(spec.Namespace).Create(service)
// TODO(bryk): Roll back created resources in case of error.
return err
} else {
return nil
}
}
func writePodContainer(m map[string]interface{}, item *api.Container) error {
if x, ok := m["name"].(string); ok {
item.Name = x
}
if x, ok := m["image"].(string); ok {
item.Image = x
}
if x, ok := m["image_pull_policy"].(string); ok {
item.ImagePullPolicy = api.PullPolicy(x)
}
if x, ok := m["termination_message_path"].(string); ok {
item.TerminationMessagePath = x
}
if x, ok := m["working_dir"].(string); ok {
item.WorkingDir = x
}
if x, ok := m["command"].([]interface{}); ok {
for _, y := range x {
item.Command = append(item.Command, y.(string))
}
}
if x, ok := m["args"].([]interface{}); ok {
for _, y := range x {
item.Args = append(item.Args, y.(string))
}
}
if x, ok := m["port"].([]interface{}); ok {
for _, y := range x {
ref := api.ContainerPort{}
writeContainerPort(y.(map[string]interface{}), &ref)
item.Ports = append(item.Ports, ref)
}
}
if x, ok := m["env"].([]interface{}); ok {
for _, y := range x {
ref := api.EnvVar{}
writeEnvVar(y.(map[string]interface{}), &ref)
item.Env = append(item.Env, ref)
}
}
if x, ok := m["volume_mount"].([]interface{}); ok {
for _, y := range x {
ref := api.VolumeMount{}
writeVolumeMount(y.(map[string]interface{}), &ref)
item.VolumeMounts = append(item.VolumeMounts, ref)
}
}
if n, ok := extractSingleMap(m["liveness_probe"]); ok {
item.LivenessProbe = &api.Probe{}
writeProbe(n, item.LivenessProbe)
}
if n, ok := extractSingleMap(m["readiness_probe"]); ok {
item.ReadinessProbe = &api.Probe{}
writeProbe(n, item.ReadinessProbe)
}
if n, ok := extractSingleMap(m["resources"]); ok {
if o, ok := extractSingleMap(n["limits"]); ok {
item.Resources.Limits = make(api.ResourceList)
if x, ok := o["cpu"].(string); ok && x != "" {
q, err := resource.ParseQuantity(x)
if err != nil {
return fmt.Errorf("%s for %q", err, x)
}
item.Resources.Limits[api.ResourceCPU] = *q
}
if x, ok := o["memory"].(string); ok && x != "" {
q, err := resource.ParseQuantity(x)
if err != nil {
return fmt.Errorf("%s for %q", err, x)
}
item.Resources.Limits[api.ResourceMemory] = *q
}
}
if o, ok := extractSingleMap(n["requests"]); ok {
item.Resources.Requests = make(api.ResourceList)
if x, ok := o["cpu"].(string); ok && x != "" {
q, err := resource.ParseQuantity(x)
if err != nil {
return fmt.Errorf("%s for %q", err, x)
}
item.Resources.Requests[api.ResourceCPU] = *q
}
if x, ok := o["memory"].(string); ok && x != "" {
q, err := resource.ParseQuantity(x)
if err != nil {
return fmt.Errorf("%s for %q", err, x)
}
item.Resources.Requests[api.ResourceMemory] = *q
}
}
}
return nil
}
// Deploys an app based on the given configuration. The app is deployed using the given client.
// App deployment consists of a replication controller and an optional service. Both of them share
// common labels.
// TODO(bryk): Write tests for this function.
func DeployApp(spec *AppDeploymentSpec, client client.Interface) error {
annotations := map[string]string{}
if spec.Description != nil {
annotations[DescriptionAnnotationKey] = *spec.Description
}
labels := getLabelsMap(spec.Labels)
objectMeta := api.ObjectMeta{
Annotations: annotations,
Name: spec.Name,
Labels: labels,
}
containerSpec := api.Container{
Name: spec.Name,
Image: spec.ContainerImage,
SecurityContext: &api.SecurityContext{
Privileged: &spec.RunAsPrivileged,
},
}
if spec.ContainerCommand != nil {
containerSpec.Command = []string{*spec.ContainerCommand}
}
if spec.ContainerCommandArgs != nil {
containerSpec.Args = []string{*spec.ContainerCommandArgs}
}
podTemplate := &api.PodTemplateSpec{
ObjectMeta: objectMeta,
Spec: api.PodSpec{
Containers: []api.Container{containerSpec},
},
}
replicaSet := &api.ReplicationController{
ObjectMeta: objectMeta,
Spec: api.ReplicationControllerSpec{
Replicas: spec.Replicas,
Selector: labels,
Template: podTemplate,
},
}
_, err := client.ReplicationControllers(spec.Namespace).Create(replicaSet)
if err != nil {
// TODO(bryk): Roll back created resources in case of error.
return err
}
if len(spec.PortMappings) > 0 {
service := &api.Service{
ObjectMeta: objectMeta,
Spec: api.ServiceSpec{
Selector: labels,
},
}
if spec.IsExternal {
service.Spec.Type = api.ServiceTypeLoadBalancer
} else {
service.Spec.Type = api.ServiceTypeNodePort
}
for _, portMapping := range spec.PortMappings {
servicePort :=
api.ServicePort{
Protocol: portMapping.Protocol,
Port: portMapping.Port,
TargetPort: intstr.IntOrString{
Type: intstr.Int,
IntVal: portMapping.TargetPort,
},
}
service.Spec.Ports = append(service.Spec.Ports, servicePort)
}
_, err = client.Services(spec.Namespace).Create(service)
// TODO(bryk): Roll back created resources in case of error.
return err
} else {
return nil
}
}