jx/internal/resource/resource.go

145 lines
4.5 KiB
Go
Raw Normal View History

2024-03-20 19:23:31 +00:00
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
2024-03-22 17:39:06 +00:00
// The resource package handles CRUD operations on resources and YAML (de)serialization
2024-03-20 16:15:27 +00:00
package resource
import (
_ "encoding/json"
2024-03-25 20:31:06 +00:00
_ "fmt"
_ "gopkg.in/yaml.v3"
2024-05-06 00:48:54 +00:00
"gitea.rosskeen.house/rosskeen.house/machine"
"decl/internal/data"
"errors"
)
var (
ErrInvalidResourceURI error = errors.New("Invalid resource URI")
ErrResourceStateAbsent = errors.New("Resource state absent")
ErrUnableToFindResource = errors.New("Unable to find resource - not loaded")
2024-03-20 16:15:27 +00:00
)
type ResourceReference string
2024-05-24 05:11:51 +00:00
func NewResource(uri string) data.Resource {
2024-03-25 20:31:06 +00:00
r, e := ResourceTypes.New(uri)
if e == nil {
return r
}
return nil
2024-03-20 16:15:27 +00:00
}
2024-05-06 00:48:54 +00:00
func ResourceConstructor(res data.Resource, uri data.URIParser) (err error) {
if uri != nil {
return uri.ConstructResource(res)
} else {
if ri, ok := res.(data.ResourceInitializer); ok {
return ri.Init(uri)
2024-07-17 08:34:57 +00:00
}
}
return
}
2024-05-09 07:39:45 +00:00
func StorageMachine(sub machine.Subscriber) machine.Stater {
2024-04-21 06:13:17 +00:00
// start_destroy -> absent -> start_create -> present -> start_destroy
2024-05-22 19:07:18 +00:00
stater := machine.New("unknown")
stater.AddStates("unkonwn", "absent", "start_create", "present", "start_delete", "start_read", "start_update", "start_stat")
2024-05-22 19:07:18 +00:00
stater.AddTransition("create", machine.States("unknown", "absent"), "start_create")
2024-05-13 05:41:12 +00:00
if e := stater.AddSubscription("create", sub); e != nil {
2024-05-14 19:42:28 +00:00
return nil
2024-05-13 05:41:12 +00:00
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("created", machine.States("start_create"), "present")
if e := stater.AddSubscription("created", sub); e != nil {
return nil
}
stater.AddTransition("exists", machine.States("unknown", "absent", "start_stat"), "present")
2024-05-22 19:07:18 +00:00
if e := stater.AddSubscription("exists", sub); e != nil {
return nil
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("notexists", machine.States("*"), "absent")
if e := stater.AddSubscription("notexists", sub); e != nil {
return nil
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("read", machine.States("*"), "start_read")
2024-05-13 05:41:12 +00:00
if e := stater.AddSubscription("read", sub); e != nil {
2024-05-14 19:42:28 +00:00
return nil
2024-05-13 05:41:12 +00:00
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("state_read", machine.States("start_read"), "present")
stater.AddTransition("stat", machine.States("*"), "start_stat")
if e := stater.AddSubscription("stat", sub); e != nil {
return nil
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("update", machine.States("*"), "start_update")
2024-05-13 05:41:12 +00:00
if e := stater.AddSubscription("update", sub); e != nil {
2024-05-14 19:42:28 +00:00
return nil
2024-05-13 05:41:12 +00:00
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("updated", machine.States("start_update"), "present")
2024-05-22 19:07:18 +00:00
stater.AddTransition("delete", machine.States("*"), "start_delete")
2024-05-13 05:41:12 +00:00
if e := stater.AddSubscription("delete", sub); e != nil {
2024-05-14 19:42:28 +00:00
return nil
2024-05-13 05:41:12 +00:00
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("deleted", machine.States("start_delete"), "absent")
if e := stater.AddSubscription("deleted", sub); e != nil {
return nil
}
2024-05-06 00:48:54 +00:00
return stater
}
2024-05-22 19:07:18 +00:00
func ProcessMachine(sub machine.Subscriber) machine.Stater {
// "enum": [ "created", "restarting", "running", "paused", "exited", "dead" ]
stater := machine.New("unknown")
stater.AddStates("unkonwn", "absent", "start_create", "present", "created", "restarting", "running", "paused", "exited", "dead", "start_delete", "start_read", "start_update")
stater.AddTransition("create", machine.States("unknown", "absent"), "start_create")
if e := stater.AddSubscription("create", sub); e != nil {
return nil
}
stater.AddTransition("created", machine.States("start_create"), "present")
if e := stater.AddSubscription("created", sub); e != nil {
return nil
}
stater.AddTransition("exists", machine.States("unknown", "absent"), "present")
if e := stater.AddSubscription("exists", sub); e != nil {
return nil
}
stater.AddTransition("notexists", machine.States("*"), "absent")
if e := stater.AddSubscription("notexists", sub); e != nil {
return nil
}
stater.AddTransition("read", machine.States("*"), "start_read")
if e := stater.AddSubscription("read", sub); e != nil {
return nil
}
stater.AddTransition("state_read", machine.States("start_read"), "present")
stater.AddTransition("update", machine.States("*"), "start_update")
if e := stater.AddSubscription("update", sub); e != nil {
return nil
}
2024-09-28 08:04:00 +00:00
stater.AddTransition("stat", machine.States("*"), "start_stat")
if e := stater.AddSubscription("stat", sub); e != nil {
return nil
}
2024-05-22 19:07:18 +00:00
stater.AddTransition("updated", machine.States("start_update"), "present")
stater.AddTransition("delete", machine.States("*"), "start_delete")
if e := stater.AddSubscription("delete", sub); e != nil {
return nil
}
stater.AddTransition("deleted", machine.States("start_delete"), "absent")
if e := stater.AddSubscription("deleted", sub); e != nil {
return nil
}
return stater
2024-04-21 06:13:17 +00:00
}