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API modified to use source; now supports EmptyDirectory

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API is now modified to use a Source struct to handle multiple volumes.

Two volume types are supported now, HostDirectory and EmptyDirectory.
This commit is contained in:
Danny Jones
2014-07-16 12:32:59 -07:00
parent f1a7850454
commit bb2843498d
8 changed files with 104 additions and 41 deletions
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20
pkg/api/types.go
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@@ -62,10 +62,22 @@ type Volume struct {
// Required: This must be a DNS_LABEL. Each volume in a pod must have
// a unique name.
Name string `yaml:"name" json:"name"`
// When multiple volume types are supported, only one of them may be specified.
// Source represents the location and type of a volume to mount.
// This is optional for now. If not specified, the Volume is implied to be an EmptyDir.
// This implied behavior is deprecated and will be removed in a future version.
Source *VolumeSource `yaml:"source" json:"source"`
}
type VolumeSource struct {
// Only one of the following sources may be specified
// HostDirectory represents a pre-existing directory on the host machine that is directly
// exposed to the container. This is generally used for system agents or other privileged
// things that are allowed to see the host machine. Most containers will NOT need this.
// TODO(jonesdl) We need to restrict who can use host directory mounts and
// who can/can not mount host directories as read/write.
HostDirectory *HostDirectory `yaml:"hostDir" json:"hostDir"`
// DEPRECATED: If no volume type is specified, HostDirectory will be assumed.
// The path of the directory will be specified in the VolumeMount struct in this case.
// EmptyDirectory represents a temporary directory that shares a pod's lifetime.
EmptyDirectory *EmptyDirectory `yaml:"emptyDir" json:"emptyDir"`
}
// Bare host directory volume.
@@ -73,6 +85,8 @@ type HostDirectory struct {
Path string `yaml:"path" json:"path"`
}
type EmptyDirectory struct {}
// Port represents a network port in a single container
type Port struct {
// Optional: If specified, this must be a DNS_LABEL. Each named port