7a4bb863dd
ioutil has been deprecated since go 1.16, this fixes all of the deprecated functions we are using: ioutil.ReadFile -> os.ReadFile ioutil.ReadAll -> io.ReadAll ioutil.WriteFile -> os.WriteFile ioutil.TempFile -> os.CreateTemp ioutil.TempDir -> os.MkdirTemp All of the above are a simple name change, the function arguments and results are exactly the same as before. ioutil.ReadDir -> os.ReadDir now returns a os.DirEntry but the IsDir and Name functions work the same. The difference is that the FileInfo must be retrieved with the Info() function which can also return an error. These were identified by running: golangci-lint run --build-tags=integration ./...
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package gcp
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import (
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"context"
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"fmt"
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"os"
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cloudbuild "cloud.google.com/go/cloudbuild/apiv1"
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compute "cloud.google.com/go/compute/apiv1"
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"cloud.google.com/go/storage"
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"golang.org/x/oauth2/google"
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)
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// GCPCredentialsEnvName contains name of the environment variable used
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// to specify the path to file with CGP service account credentials
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const (
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//nolint:gosec
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GCPCredentialsEnvName string = "GOOGLE_APPLICATION_CREDENTIALS"
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)
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// GCP structure holds necessary information to authenticate and interact with GCP.
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type GCP struct {
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creds *google.Credentials
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}
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// New returns an authenticated GCP instance, allowing to interact with GCP API.
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func New(credentials []byte) (*GCP, error) {
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scopes := []string{storage.ScopeReadWrite} // file upload
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scopes = append(scopes, compute.DefaultAuthScopes()...) // permissions to image
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scopes = append(scopes, cloudbuild.DefaultAuthScopes()...) // image import
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var getCredsFunc func() (*google.Credentials, error)
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if credentials != nil {
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getCredsFunc = func() (*google.Credentials, error) {
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return google.CredentialsFromJSON(
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context.Background(),
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credentials,
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scopes...,
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)
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}
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} else {
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getCredsFunc = func() (*google.Credentials, error) {
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return google.FindDefaultCredentials(
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context.Background(),
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scopes...,
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)
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}
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}
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creds, err := getCredsFunc()
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if err != nil {
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return nil, fmt.Errorf("failed to get Google credentials: %v", err)
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}
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return &GCP{creds}, nil
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}
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// NewFromFile loads the credentials from a file and returns an authenticated
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// *GCP object instance.
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func NewFromFile(path string) (*GCP, error) {
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gcpCredentials, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("cannot load GCP credentials from file %q: %v", path, err)
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}
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return New(gcpCredentials)
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}
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// GetProjectID returns a string with the Project ID of the project, used for
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// all GCP operations.
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func (g *GCP) GetProjectID() string {
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return g.creds.ProjectID
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}
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