nurse/config/options.go
Peter Kurfer c52912c5aa
Some checks failed
agola/nurse/Test and lint The run failed
refactor: migrate to new Gitea URL
2022-09-22 11:46:36 +02:00

121 lines
2.7 KiB
Go

package config
import (
"os"
"path/filepath"
"go.uber.org/zap"
)
//nolint:ireturn // required for interface implementation
func WithServersFromEnv() Option {
return OptionFunc(func(n Nurse) (Nurse, error) {
envServers, err := ServersFromEnv()
if err != nil {
return Nurse{}, err
}
if n.Servers == nil || len(n.Servers) == 0 {
n.Servers = envServers
return n, nil
}
for name, srv := range envServers {
if _, ok := n.Servers[name]; !ok {
n.Servers[name] = srv
}
}
return n, nil
})
}
func WithEndpointsFromEnv() Option {
return OptionFunc(func(n Nurse) (Nurse, error) {
envEndpoints, err := EndpointsFromEnv()
if err != nil {
return Nurse{}, err
}
if n.Endpoints == nil || len(n.Endpoints) == 0 {
n.Endpoints = envEndpoints
return n, nil
}
for route, spec := range envEndpoints {
if _, ok := n.Endpoints[route]; !ok {
n.Endpoints[route] = spec
}
}
return n, nil
})
}
func WithValuesFrom(other Nurse) Option {
return OptionFunc(func(n Nurse) (Nurse, error) {
return n.Merge(other), nil
})
}
//nolint:ireturn // required to implement interface
func WithConfigFile(configFilePath string) Option {
logger := zap.L()
return OptionFunc(func(n Nurse) (Nurse, error) {
var out Nurse
if configFilePath != "" {
logger.Debug("Attempt to load config file")
if err := out.ReadFromFile(configFilePath); err == nil {
return out, nil
} else {
logger.Warn(
"Failed to load config file",
zap.String("config_file_path", configFilePath),
zap.Error(err),
)
}
}
if workingDir, err := os.Getwd(); err == nil {
configFilePath = filepath.Join(workingDir, "nurse.yaml")
logger.Debug("Attempt to load config file from current working directory")
if err = out.ReadFromFile(configFilePath); err == nil {
return out, nil
} else {
logger.Warn(
"Failed to load config file",
zap.String("config_file_path", configFilePath),
zap.Error(err),
)
}
}
if home, err := os.UserHomeDir(); err == nil {
configFilePath = filepath.Join(home, ".nurse.yaml")
logger.Debug("Attempt to load config file from user home directory")
if err = out.ReadFromFile(configFilePath); err == nil {
return out, nil
} else {
logger.Warn(
"Failed to load config file",
zap.String("config_file_path", configFilePath),
zap.Error(err),
)
}
}
configFilePath = filepath.Join("", "etc", "nurse", "config.yaml")
logger.Debug("Attempt to load config file from global config directory")
if err := out.ReadFromFile(configFilePath); err == nil {
return out, nil
} else {
logger.Warn(
"Failed to load config file",
zap.String("config_file_path", configFilePath),
zap.Error(err),
)
}
return Nurse{}, nil
})
}