// 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
}
"strings"
"time"
"github.com/luci/luci-go/client/authcli"
"github.com/luci/luci-go/common/auth"
"github.com/luci/luci-go/common/logging"
"github.com/luci/luci-go/common/logging/gologger"
"github.com/maruel/subcommands"
gol "github.com/op/go-logging"
"infra/libs/cipd"
"infra/tools/cloudtail"
)
var authOptions = auth.Options{
Logger: gologger.New(os.Stderr, gol.INFO),
ServiceAccountJSONPath: defaultServiceAccountJSONPath(),
Scopes: []string{
auth.OAuthScopeEmail,
"https://www.googleapis.com/auth/logging.write",
},
}
// Where to look for service account JSON creds if not provided via CLI.
const (
defaultServiceAccountPosix = "/creds/service_accounts/service-account-cloudtail.json"
defaultServiceAccountWin = "C:\\creds\\service_accounts\\service-account-cloudtail.json"
)
////////////////////////////////////////////////////////////////////////////////
// Common functions and structs.