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package command
import (
"fmt"
"github.com/icinga/icingadb/internal"
"github.com/icinga/icingadb/pkg/config"
"github.com/icinga/icingadb/pkg/icingadb"
"github.com/icinga/icingadb/pkg/icingaredis"
"github.com/icinga/icingadb/pkg/logging"
goflags "github.com/jessevdk/go-flags"
"github.com/pkg/errors"
"os"
)
// Command provides factories for creating Redis and Database connections from Config.
type Command struct {
Flags *config.Flags
Config *config.Config
}
// New creates and returns a new Command, parses CLI flags and YAML the config, and initializes the logger.
func New() *Command {
flags, err := config.ParseFlags()
if err != nil {
var cliErr *goflags.Error
if errors.As(err, &cliErr) && cliErr.Type == goflags.ErrHelp {
os.Exit(0)
}
os.Exit(2)
}
if flags.Version {
internal.Version.Print()
os.Exit(0)
}
cfg, err := config.FromYAMLFile(flags.Config)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(2)
}
return &Command{
Flags: flags,
Config: cfg,
}
}
// Database creates and returns a new icingadb.DB connection from config.Config.
func (c Command) Database(l *logging.Logger) (*icingadb.DB, error) {
return c.Config.Database.Open(l)
}
// Redis creates and returns a new icingaredis.Client connection from config.Config.
func (c Command) Redis(l *logging.Logger) (*icingaredis.Client, error) {
return c.Config.Redis.NewClient(l)
}
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