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resource_repository.go
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resource_repository.go
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package helm
import (
"errors"
"fmt"
"os"
"github.com/hashicorp/terraform/helper/schema"
"k8s.io/helm/pkg/getter"
"k8s.io/helm/pkg/helm/helmpath"
"k8s.io/helm/pkg/repo"
)
var ErrRepositoryNotFound = errors.New("repository not found")
func resourceRepository() *schema.Resource {
return &schema.Resource{
Create: resourceRepositoryCreate,
Read: resourceRepositoryRead,
Delete: resourceRepositoryDelete,
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: "Chart repository name.",
},
"url": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: "Chart repository URL.",
},
"key_file": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Description: "Identify HTTPS client using this SSL key file.",
},
"cert_file": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Description: "Identify HTTPS client using this SSL certificate file.",
},
"ca_file": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Description: "Verify certificates of HTTPS-enabled servers using this CA bundle",
},
"metadata": {
Type: schema.TypeSet,
Computed: true,
Description: "Status of the deployed release.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Computed: true,
Description: "Name of the repository read from the home.",
},
"url": {
Type: schema.TypeString,
Computed: true,
Description: "URL of the repository read from the home.",
},
},
},
},
},
}
}
func resourceRepositoryCreate(d *schema.ResourceData, meta interface{}) error {
m := meta.(*Meta)
name := d.Get("name").(string)
err := addRepository(m,
name,
d.Get("url").(string),
m.Settings.Home,
d.Get("cert_file").(string),
d.Get("key_file").(string),
d.Get("ca_file").(string),
false,
)
if err != nil {
return err
}
debug("%q has been added to your repositories\n", name)
return resourceRepositoryRead(d, meta)
}
func resourceRepositoryRead(d *schema.ResourceData, meta interface{}) error {
m := meta.(*Meta)
r, err := getRepository(d, m)
if err != nil {
return err
}
return setIdAndMetadataFromRepository(d, r)
}
func resourceRepositoryDelete(d *schema.ResourceData, meta interface{}) error {
m := meta.(*Meta)
name := d.Get("name").(string)
if err := removeRepoLine(name, m.Settings.Home); err != nil {
return err
}
debug("%q has been removed from your repositories\n", name)
d.SetId("")
return nil
}
func setIdAndMetadataFromRepository(d *schema.ResourceData, r *repo.Entry) error {
d.SetId(r.Name)
return d.Set("metadata", []map[string]interface{}{{
"name": r.Name,
"url": r.URL,
}})
}
func getRepository(d *schema.ResourceData, m *Meta) (*repo.Entry, error) {
name := d.Get("name").(string)
f, err := repo.LoadRepositoriesFile(m.Settings.Home.RepositoryFile())
if err != nil {
return nil, err
}
for _, r := range f.Repositories {
if r.Name == name {
return r, nil
}
}
return nil, ErrRepositoryNotFound
}
// from helm
func addRepository(m *Meta,
name, url string, home helmpath.Home, certFile, keyFile, caFile string, noUpdate bool,
) error {
f, err := repo.LoadRepositoriesFile(home.RepositoryFile())
if err != nil {
return err
}
if noUpdate && f.Has(name) {
return fmt.Errorf("repository name (%s) already exists, please specify a different name", name)
}
cif := home.CacheIndex(name)
c := repo.Entry{
Name: name,
Cache: cif,
URL: url,
CertFile: certFile,
KeyFile: keyFile,
CAFile: caFile,
}
r, err := repo.NewChartRepository(&c, getter.All(*m.Settings))
if err != nil {
return err
}
if err := r.DownloadIndexFile(home.Cache()); err != nil {
return fmt.Errorf("Looks like %q is not a valid chart repository or cannot be reached: %s", url, err.Error())
}
f.Update(&c)
return f.WriteFile(home.RepositoryFile(), 0644)
}
func removeRepoLine(name string, home helmpath.Home) error {
repoFile := home.RepositoryFile()
r, err := repo.LoadRepositoriesFile(repoFile)
if err != nil {
return err
}
if !r.Remove(name) {
return fmt.Errorf("no repo named %q found", name)
}
if err := r.WriteFile(repoFile, 0644); err != nil {
return err
}
if err := removeRepoCache(name, home); err != nil {
return err
}
return nil
}
func removeRepoCache(name string, home helmpath.Home) error {
if _, err := os.Stat(home.CacheIndex(name)); err == nil {
err = os.Remove(home.CacheIndex(name))
if err != nil {
return err
}
}
return nil
}