terraform-provider-greenhost/digitalocean/config.go

144 lines
3.8 KiB
Go

package digitalocean
import (
"context"
"fmt"
"log"
"net/url"
"strings"
"text/template"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/logging"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
"golang.org/x/oauth2"
)
type Config struct {
Token string
APIEndpoint string
SpacesAPIEndpoint string
AccessID string
SecretKey string
TerraformVersion string
}
type CombinedConfig struct {
client *godo.Client
spacesEndpointTemplate *template.Template
accessID string
secretKey string
}
func (c *CombinedConfig) godoClient() *godo.Client { return c.client }
func (c *CombinedConfig) spacesClient(region string) (*session.Session, error) {
if c.accessID == "" || c.secretKey == "" {
err := fmt.Errorf("Spaces credentials not configured")
return &session.Session{}, err
}
endpointWriter := strings.Builder{}
err := c.spacesEndpointTemplate.Execute(&endpointWriter, map[string]string{"Region": region})
if err != nil {
return &session.Session{}, err
}
endpoint := endpointWriter.String()
client, err := session.NewSession(&aws.Config{
Region: aws.String("us-east-1"),
Credentials: credentials.NewStaticCredentials(c.accessID, c.secretKey, ""),
Endpoint: aws.String(endpoint)},
)
if err != nil {
return &session.Session{}, err
}
return client, nil
}
// Client() returns a new client for accessing digital ocean.
func (c *Config) Client() (*CombinedConfig, error) {
tokenSrc := oauth2.StaticTokenSource(&oauth2.Token{
AccessToken: c.Token,
})
userAgent := fmt.Sprintf("Terraform/%s", c.TerraformVersion)
client := oauth2.NewClient(oauth2.NoContext, tokenSrc)
client.Transport = logging.NewTransport("DigitalOcean", client.Transport)
godoClient, err := godo.New(client, godo.SetUserAgent(userAgent))
if err != nil {
return nil, err
}
apiURL, err := url.Parse(c.APIEndpoint)
if err != nil {
return nil, err
}
godoClient.BaseURL = apiURL
spacesEndpointTemplate, err := template.New("spaces").Parse(c.SpacesAPIEndpoint)
if err != nil {
return nil, fmt.Errorf("unable to parse spaces_endpoint '%s' as template: %s", c.SpacesAPIEndpoint, err)
}
log.Printf("[INFO] DigitalOcean Client configured for URL: %s", godoClient.BaseURL.String())
return &CombinedConfig{
client: godoClient,
spacesEndpointTemplate: spacesEndpointTemplate,
accessID: c.AccessID,
secretKey: c.SecretKey,
}, nil
}
// waitForAction waits for the action to finish using the resource.StateChangeConf.
func waitForAction(client *godo.Client, action *godo.Action) error {
var (
pending = "in-progress"
target = "completed"
refreshfn = func() (result interface{}, state string, err error) {
a, _, err := client.Actions.Get(context.Background(), action.ID)
if err != nil {
return nil, "", err
}
if a.Status == "errored" {
return a, "errored", nil
}
if a.CompletedAt != nil {
return a, target, nil
}
return a, pending, nil
}
)
_, err := (&resource.StateChangeConf{
Pending: []string{pending},
Refresh: refreshfn,
Target: []string{target},
Delay: 10 * time.Second,
Timeout: 60 * time.Minute,
MinTimeout: 3 * time.Second,
// This is a hack around DO API strangeness.
// https://github.com/hashicorp/terraform/issues/481
//
NotFoundChecks: 60,
}).WaitForState()
return err
}
func isDigitalOceanError(err error, code int, message string) bool {
if err, ok := err.(*godo.ErrorResponse); ok {
return err.Response.StatusCode == code &&
strings.Contains(strings.ToLower(err.Message), strings.ToLower(message))
}
return false
}