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Merge pull request #48 from ibz/envconfig

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Ability to read initial config from environment.
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Edouard 2021-12-03 18:11:32 +01:00 committed by GitHub
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2 changed files with 18 additions and 6 deletions
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5
README.md
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@ -29,10 +29,9 @@ go install github.com/edouardparis/lntop@latest
## Config
First time `lntop` is used a config file `.lntop/config.toml` is created
in the user home directory.
First time `lntop` is started, a config file `.lntop/config.toml` is created in the user's home directory. Change `address`, `cert` path and `macaroon` path according to your setup.
Change macaroon path according to your network.
The following environment variables, if present, will be used in the initial config file instead of the defaults, so you won't have to have `lntop` fail on the first start and then manually edit the config file: `LND_ADDRESS`, `CERT_PATH`, `MACAROON_PATH`.
```toml
[logger]

19
config/default.go
View File

@ -2,6 +2,7 @@ package config
import (
"fmt"
"os"
"os/user"
"path"
)
@ -94,6 +95,18 @@ columns = [
func NewDefault() *Config {
usr, _ := user.Current()
lndAddress, present := os.LookupEnv("LND_ADDRESS")
if !present {
lndAddress = "//127.0.0.1:10009"
}
certPath, present := os.LookupEnv("CERT_PATH")
if !present {
certPath = path.Join(usr.HomeDir, ".lnd/tls.cert")
}
macaroonPath, present := os.LookupEnv("MACAROON_PATH")
if !present {
macaroonPath = path.Join(usr.HomeDir, ".lnd/data/chain/bitcoin/mainnet/readonly.macaroon")
}
return &Config{
Logger: Logger{
Type: "production",
@ -102,9 +115,9 @@ func NewDefault() *Config {
Network: Network{
Name: "lnd",
Type: "lnd",
Address: "//127.0.0.1:10009",
Cert: path.Join(usr.HomeDir, ".lnd/tls.cert"),
Macaroon: path.Join(usr.HomeDir, ".lnd/data/chain/bitcoin/mainnet/readonly.macaroon"),
Address: lndAddress,
Cert: certPath,
Macaroon: macaroonPath,
MacaroonTimeOut: 60,
MaxMsgRecvSize: 52428800,
ConnTimeout: 1000000,