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Document api types wrt validation

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Part 3 in a series of changes towards data validation.
This commit is contained in:
Tim Hockin 2014-06-30 15:20:19 -07:00
parent da61f90b08
commit 8bc49a02c3
1 changed files with 63 additions and 18 deletions
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81
pkg/api/types.go
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@ -16,34 +16,70 @@ limitations under the License.
package api
// Common string formats
// ---------------------
// Many fields in this API have formatting requirements. The commonly used
// formats are defined here.
//
// C_IDENTIFIER: This is a string that conforms the definition of an "identifier"
// in the C language. This is captured by the following regex:
// [A-Za-z_][A-Za-z0-9_]*
// This defines the format, but not the length restriction, which should be
// specified at the definition of any field of this type.
//
// DNS_LABEL: This is a string that conforms to the definition of a "label"
// in RFCs 1035 and 1123. This is captured by the following regex:
// [a-z0-9]([-a-z0-9]*[a-z0-9])?
// This defines the format, but not the length restriction, which should be
// specified at the definition of any field of this type.
//
// DNS_SUBDOMAIN: This is a string that conforms to the definition of a
// "subdomain" in RFCs 1035 and 1123. This is captured by the following regex:
// [a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*
// or more simply:
// DNS_LABEL(\.DNS_LABEL)*
// This defines the format, but not the length restriction, which should be
// specified at the definition of any field of this type.
// ContainerManifest corresponds to the Container Manifest format, documented at:
// https://developers.google.com/compute/docs/containers/container_vms#container_manifest
// This is used as the representation of Kubernete's workloads.
// This is used as the representation of Kubernetes workloads.
type ContainerManifest struct {
Version string `yaml:"version" json:"version"`
// Required: This must be a supported version string, such as "v1beta1".
Version string `yaml:"version" json:"version"`
// Required: This must be a DNS_SUBDOMAIN, 255 characters or less.
ID string `yaml:"id" json:"id"`
Volumes []Volume `yaml:"volumes" json:"volumes"`
Containers []Container `yaml:"containers" json:"containers"`
ID string `yaml:"id,omitempty" json:"id,omitempty"`
}
// Volume represents a named volume in a pod that may be accessed by any containers in the pod.
type Volume struct {
// Required: This must be a DNS_LABEL, 63 characters or less. Each volume in a pod
// must have a unique name.
Name string `yaml:"name" json:"name"`
}
// Port represents a network port in a single container
type Port struct {
Name string `yaml:"name,omitempty" json:"name,omitempty"`
HostPort int `yaml:"hostPort,omitempty" json:"hostPort,omitempty"`
ContainerPort int `yaml:"containerPort,omitempty" json:"containerPort,omitempty"`
Protocol string `yaml:"protocol,omitempty" json:"protocol,omitempty"`
// Optional: If specified, this must be a DNS_LABEL, 63 characters or less. Each
// container in a pod must have a unique name.
Name string `yaml:"name,omitempty" json:"name,omitempty"`
// Optional: Defaults to ContainerPort.
HostPort int `yaml:"hostPort,omitempty" json:"hostPort,omitempty"`
// Required: This must be a valid port number, 0 < x < 65536.
ContainerPort int `yaml:"containerPort" json:"containerPort"`
// Optional: Defaults to "TCP".
Protocol string `yaml:"protocol,omitempty" json:"protocol,omitempty"`
}
// VolumeMount describes a mounting of a Volume within a container
type VolumeMount struct {
// Name must match the Name of a volume [above]
Name string `yaml:"name,omitempty" json:"name,omitempty"`
ReadOnly bool `yaml:"readOnly,omitempty" json:"readOnly,omitempty"`
// Required: This must match the Name of a Volume [above].
Name string `yaml:"name" json:"name"`
// Optional: Defaults to false (read-write).
ReadOnly bool `yaml:"readOnly,omitempty" json:"readOnly,omitempty"`
// Required.
MountPath string `yaml:"mountPath,omitempty" json:"mountPath,omitempty"`
// One of: "LOCAL" (local volume) or "HOST" (external mount from the host). Default: LOCAL.
MountType string `yaml:"mountType,omitempty" json:"mountType,omitempty"`
@ -51,19 +87,28 @@ type VolumeMount struct {
// EnvVar represents an environment variable present in a Container
type EnvVar struct {
Name string `yaml:"name,omitempty" json:"name,omitempty"`
// Required: This must be a C_IDENTIFIER.
Name string `yaml:"name" json:"name"`
// Optional: defaults to "".
Value string `yaml:"value,omitempty" json:"value,omitempty"`
}
// Container represents a single container that is expected to be run on the host.
type Container struct {
Name string `yaml:"name,omitempty" json:"name,omitempty"`
Image string `yaml:"image,omitempty" json:"image,omitempty"`
Command []string `yaml:"command,omitempty" json:"command,omitempty"`
WorkingDir string `yaml:"workingDir,omitempty" json:"workingDir,omitempty"`
Ports []Port `yaml:"ports,omitempty" json:"ports,omitempty"`
Env []EnvVar `yaml:"env,omitempty" json:"env,omitempty"`
Memory int `yaml:"memory,omitempty" json:"memory,omitempty"`
// Required: This must be a DNS_LABEL, 63 characters or less. Each container in a
// pod must have a unique name.
Name string `yaml:"name" json:"name"`
// Required.
Image string `yaml:"image" json:"image"`
// Optional: Defaults to whatever is defined in the image.
Command []string `yaml:"command,omitempty" json:"command,omitempty"`
// Optional: Defaults to Docker's default.
WorkingDir string `yaml:"workingDir,omitempty" json:"workingDir,omitempty"`
Ports []Port `yaml:"ports,omitempty" json:"ports,omitempty"`
Env []EnvVar `yaml:"env,omitempty" json:"env,omitempty"`
// Optional: Defaults to unlimited.
Memory int `yaml:"memory,omitempty" json:"memory,omitempty"`
// Optional: Defaults to unlimited.
CPU int `yaml:"cpu,omitempty" json:"cpu,omitempty"`
VolumeMounts []VolumeMount `yaml:"volumeMounts,omitempty" json:"volumeMounts,omitempty"`
}