Files
kubesphere/pkg/simple/client/redis/options.go
2019-09-25 01:47:46 +08:00

68 lines
1.6 KiB
Go

package redis
import (
"fmt"
"github.com/spf13/pflag"
"kubesphere.io/kubesphere/pkg/utils/net"
"kubesphere.io/kubesphere/pkg/utils/reflectutils"
)
type RedisOptions struct {
Host string
Port int
Password string
DB int
}
// NewRedisOptions returns options points to nowhere,
// because redis is not required for some components
func NewRedisOptions() *RedisOptions {
return &RedisOptions{
Host: "",
Port: 6379,
Password: "",
DB: 0,
}
}
// Validate check options
func (r *RedisOptions) Validate() []error {
errors := make([]error, 0)
if r.Host != "" {
if !net.IsValidPort(r.Port) {
errors = append(errors, fmt.Errorf("--redis-port is out of range"))
}
}
if r.DB < 0 {
errors = append(errors, fmt.Errorf("--redis-db is less than 0"))
}
return errors
}
// ApplyTo apply to another options if it's a enabled option(non empty host)
func (r *RedisOptions) ApplyTo(options *RedisOptions) {
if r.Host != "" {
reflectutils.Override(options, r)
}
}
// AddFlags add option flags to command line flags,
// if redis-host left empty, the following options will be ignored.
func (r *RedisOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&r.Host, "redis-host", r.Host, ""+
"Redis service host address. If left blank, means redis is unnecessary, "+
"redis will be disabled")
fs.IntVar(&r.Port, "redis-port", r.Port, ""+
"Redis service port number.")
fs.StringVar(&r.Password, "redis-password", r.Password, ""+
"Redis service password if necessary, default to empty")
fs.IntVar(&r.DB, "redis-db", r.DB, ""+
"Redis service database index, default to 0.")
}