func main() {
ctx := context.Background()
// Set up admin client, tables, and column families.
// NewAdminClient uses Application Default Credentials to authenticate.
adminClient, err := bigtable.NewAdminClient(ctx, project, zone, cluster)
if err != nil {
log.Fatalf("Unable to create a table admin client. %v", err)
}
tables, err := adminClient.Tables(ctx)
if err != nil {
log.Fatalf("Unable to fetch table list. %v", err)
}
if !sliceContains(tables, tableName) {
if err := adminClient.CreateTable(ctx, tableName); err != nil {
log.Fatalf("Unable to create table: %v. %v", tableName, err)
}
}
tblInfo, err := adminClient.TableInfo(ctx, tableName)
if err != nil {
log.Fatalf("Unable to read info for table: %v. %v", tableName, err)
}
if !sliceContains(tblInfo.Families, familyName) {
if err := adminClient.CreateColumnFamily(ctx, tableName, familyName); err != nil {
log.Fatalf("Unable to create column family: %v. %v", familyName, err)
}
}
adminClient.Close()
// Set up Bigtable data operations client.
// NewClient uses Application Default Credentials to authenticate.
client, err = bigtable.NewClient(ctx, project, zone, cluster)
if err != nil {
log.Fatalf("Unable to create data operations client. %v", err)
}
http.Handle("/", appHandler(mainHandler))
appengine.Main() // Never returns.
}
func main() {
http.HandleFunc("/", handleMainPage)
http.HandleFunc("/sign", handleSign)
appengine.Main()
}
func main() {
http.HandleFunc("/", handle)
appengine.Main()
}