-
Notifications
You must be signed in to change notification settings - Fork 2.4k
/
flags.go
54 lines (47 loc) · 1.65 KB
/
flags.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// Copyright (c) 2022 The Jaeger Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tenancy
import (
"flag"
"fmt"
"strings"
"github.com/spf13/viper"
)
const (
flagPrefix = "multi-tenancy"
flagTenancyEnabled = flagPrefix + ".enabled"
flagTenancyHeader = flagPrefix + ".header"
flagValidTenants = flagPrefix + ".tenants"
)
// AddFlags adds flags for tenancy to the FlagSet.
func AddFlags(flags *flag.FlagSet) {
flags.Bool(flagTenancyEnabled, false, "Enable tenancy header when receiving or querying")
flags.String(flagTenancyHeader, "x-tenant", "HTTP header carrying tenant")
flags.String(flagValidTenants, "",
fmt.Sprintf("comma-separated list of allowed values for --%s header. (If not supplied, tenants are not restricted)",
flagTenancyHeader))
}
// InitFromViper creates tenancy.Options populated with values retrieved from Viper.
func InitFromViper(v *viper.Viper) Options {
var p Options
p.Enabled = v.GetBool(flagTenancyEnabled)
p.Header = v.GetString(flagTenancyHeader)
tenants := v.GetString(flagValidTenants)
if len(tenants) != 0 {
p.Tenants = strings.Split(tenants, ",")
} else {
p.Tenants = []string{}
}
return p
}