Deployment and lifecycle management for Nix
init go client with config loading
+113
+43
client-go/main.go
+43
client-go/main.go
···
1
+
package main
2
+
3
+
import (
4
+
"fmt"
5
+
"log"
6
+
"os"
7
+
8
+
"github.com/knadh/koanf/parsers/toml/v2"
9
+
"github.com/knadh/koanf/providers/file"
10
+
"github.com/knadh/koanf/providers/posflag"
11
+
"github.com/knadh/koanf/v2"
12
+
13
+
flag "github.com/spf13/pflag"
14
+
)
15
+
16
+
var conf = koanf.Conf{}
17
+
18
+
var kConfig = koanf.NewWithConf(conf)
19
+
20
+
func main() {
21
+
flags := flag.NewFlagSet("config", flag.ExitOnError)
22
+
flags.Usage = func() {
23
+
fmt.Println(flags.FlagUsages())
24
+
os.Exit(0)
25
+
}
26
+
flags.StringSlice("config", []string{"./dev-client.toml"}, "path to one or more toml config files")
27
+
flags.Parse(os.Args[1:])
28
+
29
+
// load config files
30
+
configFiles, _ := flags.GetStringSlice("config")
31
+
for _, c := range configFiles {
32
+
if err := kConfig.Load(file.Provider(c), toml.Parser()); err != nil {
33
+
log.Fatalf("error loading file: %v", err)
34
+
}
35
+
}
36
+
37
+
// load cli args
38
+
if err := kConfig.Load(posflag.Provider(flags, ".", kConfig), nil); err != nil {
39
+
log.Fatalf("error loading config: %v", err)
40
+
}
41
+
42
+
fmt.Println(kConfig)
43
+
}
+3
dev-client.toml
+3
dev-client.toml
+4
flake.nix
+4
flake.nix
+21
go.mod
+21
go.mod
···
1
+
module sower.dev
2
+
3
+
go 1.22.5
4
+
5
+
require (
6
+
github.com/knadh/koanf/parsers/toml/v2 v2.1.0
7
+
github.com/knadh/koanf/providers/file v1.0.0
8
+
github.com/knadh/koanf/providers/posflag v0.1.0
9
+
github.com/knadh/koanf/v2 v2.1.1
10
+
)
11
+
12
+
require (
13
+
github.com/fsnotify/fsnotify v1.7.0 // indirect
14
+
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 // indirect
15
+
github.com/knadh/koanf/maps v0.1.1 // indirect
16
+
github.com/mitchellh/copystructure v1.2.0 // indirect
17
+
github.com/mitchellh/reflectwalk v1.0.2 // indirect
18
+
github.com/pelletier/go-toml/v2 v2.2.2 // indirect
19
+
github.com/spf13/pflag v1.0.5 // indirect
20
+
golang.org/x/sys v0.21.0 // indirect
21
+
)
+42
go.sum
+42
go.sum
···
1
+
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
2
+
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
3
+
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
4
+
github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
5
+
github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
6
+
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 h1:TQcrn6Wq+sKGkpyPvppOz99zsMBaUOKXq6HSv655U1c=
7
+
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
8
+
github.com/knadh/koanf/maps v0.1.1 h1:G5TjmUh2D7G2YWf5SQQqSiHRJEjaicvU0KpypqB3NIs=
9
+
github.com/knadh/koanf/maps v0.1.1/go.mod h1:npD/QZY3V6ghQDdcQzl1W4ICNVTkohC8E73eI2xW4yI=
10
+
github.com/knadh/koanf/parsers/toml/v2 v2.1.0 h1:EUdIKIeezfDj6e1ABDhIjhbURUpyrP1HToqW6tz8R0I=
11
+
github.com/knadh/koanf/parsers/toml/v2 v2.1.0/go.mod h1:0KtwfsWJt4igUTQnsn0ZjFWVrP80Jv7edTBRbQFd2ho=
12
+
github.com/knadh/koanf/providers/file v1.0.0 h1:DtPvSQBeF+N0QLPMz0yf2bx0nFSxUcncpqQvzCxfCyk=
13
+
github.com/knadh/koanf/providers/file v1.0.0/go.mod h1:/faSBcv2mxPVjFrXck95qeoyoZ5myJ6uxN8OOVNJJCI=
14
+
github.com/knadh/koanf/providers/posflag v0.1.0 h1:mKJlLrKPcAP7Ootf4pBZWJ6J+4wHYujwipe7Ie3qW6U=
15
+
github.com/knadh/koanf/providers/posflag v0.1.0/go.mod h1:SYg03v/t8ISBNrMBRMlojH8OsKowbkXV7giIbBVgbz0=
16
+
github.com/knadh/koanf/v2 v2.1.1 h1:/R8eXqasSTsmDCsAyYj+81Wteg8AqrV9CP6gvsTsOmM=
17
+
github.com/knadh/koanf/v2 v2.1.1/go.mod h1:4mnTRbZCK+ALuBXHZMjDfG9y714L7TykVnZkXbMU3Es=
18
+
github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
19
+
github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
20
+
github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
21
+
github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
22
+
github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
23
+
github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
24
+
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
25
+
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
26
+
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
27
+
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
28
+
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
29
+
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
30
+
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
31
+
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
32
+
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
33
+
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
34
+
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
35
+
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
36
+
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
37
+
golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
38
+
golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
39
+
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
40
+
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
41
+
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
42
+
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=