repo.go

package repo

import (
	"crypto/sha1"
	"errors"
	"fmt"
	"io/ioutil"
	"net/url"
	"os"
	"path/filepath"
	"strings"
	"time"

	"gopkg.in/yaml.v2"

	"github.com/kubernetes/helm/pkg/chart"
)

// ChartRepository represents a chart repository
type ChartRepository struct {
	RootPath   string
	URL        string // URL of repository
	ChartPaths []string
	IndexFile  *IndexFile
}

// RepoFile represents the repositories.yaml file in $HELM_HOME
type RepoFile struct {
	Repositories map[string]string
}

// LoadRepositoriesFile takes a file at the given path and returns a RepoFile object
func LoadRepositoriesFile(path string) (*RepoFile, error) {
	b, err := ioutil.ReadFile(path)
	if err != nil {
		return nil, err
	}

	var r RepoFile
	err = yaml.Unmarshal(b, &r)
	if err != nil {
		return nil, err
	}

	return &r, nil
}

// UnmarshalYAML unmarshals the repo file
func (rf *RepoFile) UnmarshalYAML(unmarshal func(interface{}) error) error {
	var repos map[string]string
	if err := unmarshal(&repos); err != nil {
		if _, ok := err.(*yaml.TypeError); !ok {
			return err
		}
	}
	rf.Repositories = repos
	return nil
}

// LoadChartRepository takes in a path to a local chart repository
//      which contains packaged charts and an index.yaml file
//
// This function evaluates the contents of the directory and
// returns a ChartRepository
func LoadChartRepository(dir, url string) (*ChartRepository, error) {
	dirInfo, err := os.Stat(dir)
	if err != nil {
		return nil, err
	}