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Add environment variables for configuration (#189)

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This commit is contained in:
Fin Christensen
2022-04-26 20:35:35 +02:00
committed by GitHub
parent 87b08a8f7c
commit 569eaaee37
7 changed files with 112 additions and 37 deletions
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20
util/util.go
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@@ -77,6 +77,17 @@ func BuildClientConfig(client model.Client, server model.Server, setting model.G
return strConfig
}
// Read the default values for creating a new client from the environment or use sane defaults
func ClientDefaultsFromEnv() model.ClientDefaults {
client_defaults := model.ClientDefaults{}
client_defaults.AllowedIps = LookupEnvOrStrings(DefaultClientAllowedIpsEnvVar, []string{"0.0.0.0/0"})
client_defaults.ExtraAllowedIps = LookupEnvOrStrings(DefaultClientExtraAllowedIpsEnvVar, []string{})
client_defaults.UseServerDNS = LookupEnvOrBool(DefaultClientUseServerDNSEnvVar, true)
client_defaults.EnableAfterCreation = LookupEnvOrBool(DefaultClientEnableAfterCreationEnvVar, true)
return client_defaults
}
// ValidateCIDR to validate a network CIDR
func ValidateCIDR(cidr string) bool {
_, _, err := net.ParseCIDR(cidr)
@@ -440,10 +451,9 @@ func LookupEnvOrInt(key string, defaultVal int) int {
return defaultVal
}
// GetCredVar reads value from environment variable or returns fallback
func GetCredVar(key, fallback string) string {
if value, ok := os.LookupEnv(key); ok {
return value
func LookupEnvOrStrings(key string, defaultVal []string) []string {
if val, ok := os.LookupEnv(key); ok {
return strings.Split(val, ",")
}
return fallback
return defaultVal
}