terraform/builtin/providers/rancher/provider.go

146 lines
3.6 KiB
Go

package rancher
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/url"
"os"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/terraform"
)
// CLIConfig used to store data from file.
type CLIConfig struct {
AccessKey string `json:"accessKey"`
SecretKey string `json:"secretKey"`
URL string `json:"url"`
Environment string `json:"environment"`
Path string `json:"path,omitempty"`
}
// Provider returns a terraform.ResourceProvider.
func Provider() terraform.ResourceProvider {
return &schema.Provider{
Schema: map[string]*schema.Schema{
"api_url": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("RANCHER_URL", ""),
Description: descriptions["api_url"],
},
"access_key": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("RANCHER_ACCESS_KEY", ""),
Description: descriptions["access_key"],
},
"secret_key": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("RANCHER_SECRET_KEY", ""),
Description: descriptions["secret_key"],
},
"config": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("RANCHER_CLIENT_CONFIG", ""),
Description: descriptions["config"],
},
},
ResourcesMap: map[string]*schema.Resource{
"rancher_certificate": resourceRancherCertificate(),
"rancher_environment": resourceRancherEnvironment(),
"rancher_host": resourceRancherHost(),
"rancher_registration_token": resourceRancherRegistrationToken(),
"rancher_registry": resourceRancherRegistry(),
"rancher_registry_credential": resourceRancherRegistryCredential(),
"rancher_stack": resourceRancherStack(),
},
ConfigureFunc: providerConfigure,
}
}
var descriptions map[string]string
func init() {
descriptions = map[string]string{
"access_key": "API Key used to authenticate with the rancher server",
"secret_key": "API secret used to authenticate with the rancher server",
"api_url": "The URL to the rancher API, must include version uri (ie. v1 or v2-beta)",
"config": "Path to the Rancher client cli.json config file",
}
}
func providerConfigure(d *schema.ResourceData) (interface{}, error) {
apiURL := d.Get("api_url").(string)
accessKey := d.Get("access_key").(string)
secretKey := d.Get("secret_key").(string)
if configFile := d.Get("config").(string); configFile != "" {
config, err := loadConfig(configFile)
if err != nil {
return config, err
}
if apiURL == "" && config.URL != "" {
u, err := url.Parse(config.URL)
if err != nil {
return config, err
}
apiURL = u.Scheme + "://" + u.Host
}
if accessKey == "" {
accessKey = config.AccessKey
}
if secretKey == "" {
secretKey = config.SecretKey
}
}
if apiURL == "" {
return &Config{}, fmt.Errorf("No api_url provided")
}
config := &Config{
APIURL: apiURL,
AccessKey: accessKey,
SecretKey: secretKey,
}
client, err := config.GlobalClient()
if err != nil {
return &Config{}, err
}
// Let Rancher Client normalizes the URL making it reliable as a base.
config.APIURL = client.GetOpts().Url
return config, nil
}
func loadConfig(path string) (CLIConfig, error) {
config := CLIConfig{
Path: path,
}
content, err := ioutil.ReadFile(path)
if os.IsNotExist(err) {
return config, nil
} else if err != nil {
return config, err
}
err = json.Unmarshal(content, &config)
config.Path = path
return config, err
}