126 lines
2.5 KiB
Go
126 lines
2.5 KiB
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package resource
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import (
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"context"
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"fmt"
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"gopkg.in/yaml.v3"
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_ "log"
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"net/url"
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_ "os"
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_ "os/exec"
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"path/filepath"
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_ "strings"
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"io"
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"gitea.rosskeen.house/rosskeen.house/machine"
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"decl/internal/codec"
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)
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type Exec struct {
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stater machine.Stater `yaml:"-" json:"-"`
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Id string `yaml:"id" json:"id"`
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CreateTemplate Command `yaml:"create" json:"create"`
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ReadTemplate Command `yaml:"read" json:"read"`
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UpdateTemplate Command `yaml:"update" json:"update"`
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DeleteTemplate Command `yaml:"delete" json:"delete"`
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// state attributes
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State string `yaml:"state"`
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}
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func init() {
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ResourceTypes.Register("exec", func(u *url.URL) Resource {
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x := NewExec()
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return x
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})
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}
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func NewExec() *Exec {
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return &Exec{}
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}
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func (x *Exec) Clone() Resource {
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return &Exec {
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Id: x.Id,
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CreateTemplate: x.CreateTemplate,
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ReadTemplate: x.ReadTemplate,
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UpdateTemplate: x.UpdateTemplate,
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DeleteTemplate: x.DeleteTemplate,
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State: x.State,
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}
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}
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func (x *Exec) StateMachine() machine.Stater {
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if x.stater == nil {
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x.stater = ProcessMachine(x)
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}
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return x.stater
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}
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func (x *Exec) URI() string {
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return fmt.Sprintf("exec://%s", x.Id)
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}
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func (x *Exec) SetURI(uri string) error {
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resourceUri, e := url.Parse(uri)
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if e == nil {
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if resourceUri.Scheme == "exec" {
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x.Id = filepath.Join(resourceUri.Hostname(), resourceUri.RequestURI())
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} else {
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e = fmt.Errorf("%w: %s is not an exec resource ", ErrInvalidResourceURI, uri)
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}
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}
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return e
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}
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func (x *Exec) ResolveId(ctx context.Context) string {
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return ""
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}
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func (x *Exec) Validate() error {
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return fmt.Errorf("failed")
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}
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func (x *Exec) Apply() error {
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return nil
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}
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func (x *Exec) Notify(m *machine.EventMessage) {
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ctx := context.Background()
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switch m.On {
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case machine.ENTERSTATEEVENT:
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switch m.Dest {
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case "start_create":
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if e := x.Create(ctx); e == nil {
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if triggerErr := x.stater.Trigger("created"); triggerErr == nil {
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return
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}
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}
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x.State = "absent"
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case "present":
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x.State = "present"
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}
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case machine.EXITSTATEEVENT:
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}
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}
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func (x *Exec) Load(r io.Reader) error {
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return codec.NewYAMLDecoder(r).Decode(x)
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}
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func (x *Exec) LoadDecl(yamlResourceDeclaration string) error {
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return codec.NewYAMLStringDecoder(yamlResourceDeclaration).Decode(x)
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}
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func (x *Exec) Type() string { return "exec" }
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func (x *Exec) Create(ctx context.Context) error {
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return nil
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}
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func (x *Exec) Read(ctx context.Context) ([]byte, error) {
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return yaml.Marshal(x)
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}
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