// processFlags validates flags, creates and configures logger, client, etc.
func (opts *commonOptions) processFlags() (state, error) {
// Logger.
logLevels := map[logging.Level]gol.Level{
logging.Debug: gol.DEBUG,
logging.Info: gol.INFO,
logging.Warning: gol.WARNING,
logging.Error: gol.ERROR,
}
logger := gologger.New(os.Stderr, logLevels[opts.localLogLevel])
// Auth options.
authOpts, err := opts.authFlags.Options()
if err != nil {
return state{}, err
}
authOpts.Logger = logger
if opts.projectID == "" {
if authOpts.ServiceAccountJSONPath != "" {
opts.projectID = projectIDFromServiceAccountJSON(authOpts.ServiceAccountJSONPath)
}
if opts.projectID == "" {
return state{}, fmt.Errorf("-project-id is required")
}
}
// Client.
httpClient, err := auth.AuthenticatedClient(auth.SilentLogin, auth.NewAuthenticator(authOpts))
if err != nil {
return state{}, err
}
client, err := cloudtail.NewClient(cloudtail.ClientOptions{
Client: httpClient,
Logger: logger,
ProjectID: opts.projectID,
ResourceType: opts.resourceType,
ResourceID: opts.resourceID,
LogID: opts.logID,
})
if err != nil {
return state{}, err
}
// Buffer.
buffer := cloudtail.NewPushBuffer(cloudtail.PushBufferOptions{
Client: client,
Logger: logger,
})
return state{logger, client, buffer}, nil
}
func (opts *ServiceOptions) makeCipdClient(root string) (cipd.Client, error) {
authOpts, err := opts.authFlags.Options()
if err != nil {
return nil, err
}
return cipd.NewClient(cipd.ClientOptions{
ServiceURL: opts.serviceURL,
Root: root,
Logger: log,
AuthenticatedClientFactory: func() (*http.Client, error) {
return auth.AuthenticatedClient(auth.OptionalLogin, auth.NewAuthenticator(authOpts))
},
}), nil
}
func (c *loginRun) Run(subcommands.Application, []string) int {
opts, err := c.flags.Options()
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
return 1
}
client, err := auth.AuthenticatedClient(auth.InteractiveLogin, auth.NewAuthenticator(opts))
if err != nil {
fmt.Fprintf(os.Stderr, "Login failed: %s\n", err.Error())
return 2
}
err = reportIdentity(client)
if err != nil {
return 3
}
return 0
}
func (c *infoRun) Run(a subcommands.Application, args []string) int {
opts, err := c.flags.Options()
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
return 1
}
client, err := auth.AuthenticatedClient(auth.SilentLogin, auth.NewAuthenticator(opts))
if err == auth.ErrLoginRequired {
fmt.Fprintln(os.Stderr, "Not logged in")
return 2
} else if err != nil {
fmt.Fprintln(os.Stderr, err)
return 3
}
err = reportIdentity(client)
if err != nil {
return 4
}
return 0
}
func (c *config) createAuthenticatedClient(ctx context.Context) (*http.Client, error) {
scopes := []string{}
scopes = append(scopes, cloudLoggingScopes...)
scopes = append(scopes, pubsubScopes...)
// Get our authenticated client.
options := auth.Options{
Scopes: scopes,
ServiceAccountJSONPath: c.serviceAccountJSONPath,
Logger: log.Get(ctx),
}
authenticator := auth.NewAuthenticator(options)
mode := auth.SilentLogin
if c.authInteractive {
mode = auth.InteractiveLogin
}
return auth.AuthenticatedClient(mode, authenticator)
}
func (c *endpointConfig) createService(ctx context.Context) (endpointService, error) {
if c.url == "" {
return nil, errors.New("endpoint: you must supply a monitoring endpoint")
}
authenticator := auth.NewAuthenticator(
auth.Options{
Method: auth.ServiceAccountMethod,
Scopes: endpointScopes,
ServiceAccountJSONPath: c.serviceAccountJSONPath,
Logger: log.Get(ctx),
})
client, err := auth.AuthenticatedClient(auth.SilentLogin, authenticator)
if err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to configure endpoint client.")
return nil, errors.New("endpoint: failed to configure endpoint client")
}
return &endpointServiceImpl{
endpointConfig: *c,
client: client,
}, nil
}