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|
// Package hook is the 0.1.0 hook configuration structure.
package hook
import (
"encoding/json"
"errors"
"strings"
rspec "github.com/opencontainers/runtime-spec/specs-go"
hooks "github.com/projectatomic/libpod/pkg/hooks"
current "github.com/projectatomic/libpod/pkg/hooks/1.0.0"
)
// Version is the hook configuration version defined in this package.
const Version = "0.1.0"
// Hook is the hook configuration structure.
type Hook struct {
Hook *string `json:"hook"`
Arguments []string `json:"arguments,omitempty"`
// https://github.com/kubernetes-incubator/cri-o/pull/1235
Stages []string `json:"stages"`
Stage []string `json:"stage"`
Cmds []string `json:"cmds,omitempty"`
Cmd []string `json:"cmd,omitempty"`
Annotations []string `json:"annotations,omitempty"`
Annotation []string `json:"annotation,omitempty"`
HasBindMounts *bool `json:"hasbindmounts,omitempty"`
}
func read(content []byte) (hook *current.Hook, err error) {
var raw Hook
if err = json.Unmarshal(content, &raw); err != nil {
return nil, err
}
if raw.Hook == nil {
return nil, errors.New("missing required property: hook")
}
if raw.Stages == nil {
raw.Stages = raw.Stage
} else if raw.Stage != nil {
return nil, errors.New("cannot set both 'stage' and 'stages'")
}
if raw.Stages == nil {
return nil, errors.New("missing required property: stages")
}
if raw.Cmds == nil {
raw.Cmds = raw.Cmd
} else if raw.Cmd != nil {
return nil, errors.New("cannot set both 'cmd' and 'cmds'")
}
if raw.Annotations == nil {
raw.Annotations = raw.Annotation
} else if raw.Annotation != nil {
return nil, errors.New("cannot set both 'annotation' and 'annotations'")
}
hook = ¤t.Hook{
Version: current.Version,
Hook: rspec.Hook{
Path: *raw.Hook,
},
When: current.When{
Commands: raw.Cmds,
HasBindMounts: raw.HasBindMounts,
Or: true,
},
Stages: raw.Stages,
}
if raw.Arguments != nil {
hook.Hook.Args = append([]string{*raw.Hook}, raw.Arguments...)
}
if raw.Annotations != nil {
hook.When.Annotations = map[string]string{
".*": strings.Join(raw.Annotations, "|"),
}
}
return hook, nil
}
func init() {
hooks.Readers[""] = read
hooks.Readers[Version] = read
}
|
