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mirror of https://github.com/thegeeklab/wp-opentofu.git synced 2024-11-22 00:30:40 +00:00
wp-opentofu/plugin/impl.go

135 lines
3.3 KiB
Go

package plugin
import (
"context"
"encoding/json"
"errors"
"fmt"
"os"
"github.com/thegeeklab/wp-opentofu/tofu"
plugin_exec "github.com/thegeeklab/wp-plugin-go/v3/exec"
)
var (
ErrTaintedPath = errors.New("filepath is tainted")
ErrMaxSizeSizeLimit = errors.New("max size limit of decoded data exceeded")
ErrActionUnknown = errors.New("action not found")
ErrInvalidTofuVersion = errors.New("invalid version string")
ErrHTTPError = errors.New("http error")
)
const (
maxDecompressionSize = 100 * 1024 * 1024
defaultDirPerm = 0o755
)
//nolint:revive
func (p *Plugin) run(ctx context.Context) error {
if err := p.FlagsFromContext(); err != nil {
return fmt.Errorf("validation failed: %w", err)
}
if err := p.Validate(); err != nil {
return fmt.Errorf("validation failed: %w", err)
}
if err := p.Execute(); err != nil {
return fmt.Errorf("execution failed: %w", err)
}
return nil
}
func (p *Plugin) FlagsFromContext() error {
if p.Context.String("init-option") != "" {
initOptions := tofu.InitOptions{}
if err := json.Unmarshal([]byte(p.Context.String("init-option")), &initOptions); err != nil {
return fmt.Errorf("cannot unmarshal init_option: %w", err)
}
p.Settings.Tofu.InitOptions = initOptions
}
if p.Context.String("fmt-option") != "" {
fmtOptions := tofu.FmtOptions{}
if err := json.Unmarshal([]byte(p.Context.String("fmt-option")), &fmtOptions); err != nil {
return fmt.Errorf("cannot unmarshal fmt_option: %w", err)
}
p.Settings.Tofu.FmtOptions = fmtOptions
}
return nil
}
// Validate handles the settings validation of the plugin.
func (p *Plugin) Validate() error {
p.Settings.DataDir = ".terraform"
if value, ok := os.LookupEnv("TF_DATA_DIR"); ok {
p.Settings.DataDir = value
}
p.Settings.Tofu.OutFile = "plan.tfout"
if p.Settings.DataDir == ".terraform" {
p.Settings.Tofu.OutFile = fmt.Sprintf("%s.plan.tfout", p.Settings.DataDir)
}
return nil
}
// Execute provides the implementation of the plugin.
func (p *Plugin) Execute() error {
batchCmd := make([]*plugin_exec.Cmd, 0)
batchCmd = append(batchCmd, p.Settings.Tofu.Version())
if p.Settings.TofuVersion != "" {
err := installPackage(p.Plugin.Network.Context, p.Plugin.Network.Client, p.Settings.TofuVersion, maxDecompressionSize)
if err != nil {
return err
}
}
batchCmd = append(batchCmd, p.Settings.Tofu.Init())
batchCmd = append(batchCmd, p.Settings.Tofu.GetModules())
for _, action := range p.Settings.Action.Value() {
switch action {
case "fmt":
batchCmd = append(batchCmd, p.Settings.Tofu.Fmt())
case "validate":
batchCmd = append(batchCmd, p.Settings.Tofu.Validate())
case "plan":
batchCmd = append(batchCmd, p.Settings.Tofu.Plan(false))
case "plan-destroy":
batchCmd = append(batchCmd, p.Settings.Tofu.Plan(true))
case "apply":
batchCmd = append(batchCmd, p.Settings.Tofu.Apply())
case "destroy":
batchCmd = append(batchCmd, p.Settings.Tofu.Destroy())
default:
return fmt.Errorf("%w: %s", ErrActionUnknown, action)
}
}
if err := os.RemoveAll(p.Settings.DataDir); err != nil {
return err
}
for _, cmd := range batchCmd {
if cmd == nil {
continue
}
if p.Settings.RootDir != "" {
cmd.Dir = p.Settings.RootDir
}
if err := cmd.Run(); err != nil {
return err
}
}
return os.RemoveAll(p.Settings.DataDir)
}