portainer/portainer

package binary

import (
    "github.com/pkg/errors"
    "github.com/portainer/portainer/pkg/libhelm/options"
)

var errRequiredShowOptions = errors.New("chart, repo and output format are required")

// Show runs `helm show <command> <chart> --repo <repo>` with specified show options.
// The show options translate to CLI arguments which are passed in to the helm binary when executing install.
func (hbpm *helmBinaryPackageManager) Show(showOpts options.ShowOptions) ([]byte, error) {
    if showOpts.Chart == "" || showOpts.Repo == "" || showOpts.OutputFormat == "" {
        return nil, errRequiredShowOptions
    }

    args := []string{
        string(showOpts.OutputFormat),
        showOpts.Chart,
        "--repo", showOpts.Repo,
    }

    result, err := hbpm.run("show", args, showOpts.Env)
    if err != nil {
        return nil, errors.New("the request failed since either the Helm repository was not found or the chart does not exist")
    }

    return result, nil
}