woodpecker-helm3/internal/run/depaction.go
2020-04-05 14:22:46 +02:00

60 lines
1.3 KiB
Go

package run
import (
"errors"
"fmt"
"github.com/pelotech/drone-helm3/internal/env"
)
const (
actionBuild = "build"
actionUpdate = "update"
)
// DepAction is an execution step that calls `helm dependency update` or `helm dependency build` when executed.
type DepAction struct {
*config
chart string
cmd cmd
action string
}
// NewDepAction creates a DepAction using fields from the given Config. No validation is performed at this time.
func NewDepAction(cfg env.Config) *DepAction {
return &DepAction{
config: newConfig(cfg),
chart: cfg.Chart,
action: cfg.DependenciesAction,
}
}
// Execute executes the `helm upgrade` command.
func (d *DepAction) Execute() error {
return d.cmd.Run()
}
// Prepare gets the DepAction ready to execute.
func (d *DepAction) Prepare() error {
if d.chart == "" {
return fmt.Errorf("chart is required")
}
args := d.globalFlags()
if d.action != actionBuild && d.action != actionUpdate {
return errors.New("unknown dependency_action: " + d.action)
}
args = append(args, "dependency", d.action, d.chart)
d.cmd = command(helmBin, args...)
d.cmd.Stdout(d.stdout)
d.cmd.Stderr(d.stderr)
if d.debug {
fmt.Fprintf(d.stderr, "Generated command: '%s'\n", d.cmd.String())
}
return nil
}