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mirror of https://github.com/thegeeklab/wp-opentofu.git synced 2024-11-12 17:10:39 +00:00
wp-opentofu/plugin/impl.go

108 lines
2.4 KiB
Go

package plugin
import (
"context"
"errors"
"fmt"
"os"
"golang.org/x/sys/execabs"
)
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")
)
const (
maxDecompressionSize = 1024
defaultDirPerm = 0o755
)
//nolint:revive
func (p *Plugin) run(ctx context.Context) error {
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
}
// 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.OutFile = "plan.tfout"
if p.Settings.DataDir == ".terraform" {
p.Settings.OutFile = fmt.Sprintf("%s.plan.tfout", p.Settings.DataDir)
}
if p.Settings.TofuVersion != "" {
err := installPackage(p.Plugin.Network.Context, p.Plugin.Network.Client, p.Settings.TofuVersion, maxDecompressionSize)
if err != nil {
return err
}
}
return nil
}
// Execute provides the implementation of the plugin.
func (p *Plugin) Execute() error {
commands := []*execabs.Cmd{
p.versionCommand(),
}
commands = append(commands, p.initCommand())
commands = append(commands, p.getModulesCommand())
for _, action := range p.Settings.Action.Value() {
switch action {
case "fmt":
commands = append(commands, p.fmtCommand())
case "validate":
commands = append(commands, p.validateCommand())
case "plan":
commands = append(commands, p.planCommand(false))
case "plan-destroy":
commands = append(commands, p.planCommand(true))
case "apply":
commands = append(commands, p.applyCommand())
case "destroy":
commands = append(commands, p.destroyCommand())
default:
return fmt.Errorf("%w: %s", ErrActionUnknown, action)
}
}
if err := deleteCache(p.Settings.DataDir); err != nil {
return err
}
for _, cmd := range commands {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if p.Settings.RootDir != "" {
cmd.Dir = p.Settings.RootDir
}
cmd.Env = os.Environ()
if err := cmd.Run(); err != nil {
return err
}
}
return deleteCache(p.Settings.DataDir)
}