/
gcp_project_id.go
51 lines (45 loc) · 1.3 KB
/
gcp_project_id.go
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package util
import (
"bytes"
"context"
"github.com/secureworks/errors"
"golang.org/x/oauth2/google"
"os"
"os/exec"
"strings"
)
func GetGoogleCloudCLIProject(ctx context.Context) (string, error) {
out := bytes.Buffer{}
getProjectCmd := exec.CommandContext(ctx, "gcloud", "config", "get", "project")
getProjectCmd.Stderr = os.Stderr
getProjectCmd.Stdout = &out
if err := getProjectCmd.Run(); err != nil {
return "", errors.New("failed to get GCP project from gcloud CLI: %w", err)
} else {
return strings.TrimSpace(out.String()), nil
}
}
func GetADCProject(ctx context.Context) (string, error) {
credentials, adcErr := google.FindDefaultCredentials(ctx, "https://www.googleapis.com/auth/compute")
if adcErr != nil {
return "", errors.New("failed to get GCP project from ADC: %w", adcErr)
}
gcpProjectID := credentials.ProjectID
if gcpProjectID != "" {
return gcpProjectID, nil
}
return "", errors.New("ADC project is empty")
}
func GetDefaultProjectID(ctx context.Context) (string, error) {
project, adcErr := GetADCProject(ctx)
if adcErr != nil {
project, cliErr := GetGoogleCloudCLIProject(ctx)
if cliErr != nil {
return "", errors.New("failed to get GCP project: %w", errors.NewMultiError(adcErr, cliErr))
} else {
return project, nil
}
} else {
return project, nil
}
}