woodpecker/pkg/config/config.go

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package config
import (
"fmt"
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"os"
"path"
"strings"
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log "github.com/drone/drone/Godeps/_workspace/src/github.com/Sirupsen/logrus"
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"github.com/drone/drone/Godeps/_workspace/src/github.com/vrischmann/envconfig"
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)
type Config struct {
Remote struct {
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Driver string `envconfig:"optional"`
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}
Auth struct {
Client string `envconfig:"optional"`
Secret string `envconfig:"optional"`
Authorize string `envconfig:"optional"`
AccessToken string `envconfig:"optional"`
RequestToken string `envconfig:"optional"`
Scope []string `envconfig:"optional"`
}
Server struct {
Base string `envconfig:"optional"`
Addr string `envconfig:"optional"`
Cert string `envconfig:"optional"`
Key string `envconfig:"optional"`
Scheme string `envconfig:"optional"`
Hostname string `envconfig:"optional"`
}
Session struct {
Secret string `envconfig:"optional"`
Expires int64 `envconfig:"optional"`
}
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Agents struct {
Secret string `envconfig:"optional"`
}
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Database struct {
Driver string `envconfig:"optional"`
Datasource string `envconfig:"optional"`
}
Docker struct {
Cert string `envconfig:"optional"`
Key string `envconfig:"optional"`
Addr string `envconfig:"optional"`
Swarm bool `envconfig:"optional"`
}
// Environment represents a set of global environment
// variable declarations that can be injected into
// build plugins. An example use case might be SMTP
// configuration.
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Environment []string `envconfig:"optional"`
// Plugins represents a white-list of plugins
// that the system is authorized to load.
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Plugins []string `envconfig:"optional"`
Github struct {
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API string `envconfig:"optional"`
Host string `envconfig:"optional"`
Client string `envconfig:"optional"`
Secret string `envconfig:"optional"`
PrivateMode bool `envconfig:"optional"`
SkipVerify bool `envconfig:"optional"`
Open bool `envconfig:"optional"`
Orgs []string `envconfig:"optional"`
}
Bitbucket struct {
Client string `envconfig:"optional"`
Secret string `envconfig:"optional"`
Open bool `envconfig:"optional"`
Orgs []string `envconfig:"optional"`
}
Gitlab struct {
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Host string `envconfig:"optional"`
Client string `envconfig:"optional"`
Secret string `envconfig:"optional"`
SkipVerify bool `envconfig:"optional"`
Open bool `envconfig:"optional"`
Orgs []string `envconfig:"optional"`
Search bool `envconfig:"optional"`
}
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}
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// Load loads the configuration from environment
// variables.
func Load() (*Config, error) {
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conf := &Config{}
err := envconfig.Init(conf)
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if err != nil {
return nil, err
}
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return applyDefaults(conf), nil
}
func applyDefaults(c *Config) *Config {
// if no session token is provided we can
// instead use the client secret to sign
// our sessions and tokens.
if len(c.Session.Secret) == 0 {
c.Session.Secret = c.Auth.Secret
}
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// Prevent crash on start, use sqlite3
// driver as default if DRONE_DATABASE_DRIVER and
// DRONE_DATABASE_DATASOURCE not specifed
if len(c.Database.Driver) == 0 && len(c.Database.Datasource) == 0 {
c.Database.Driver = "sqlite3"
pwd, err := os.Getwd()
if err != nil {
panic(err)
}
c.Database.Datasource = path.Join(pwd, "drone.sqlite3")
log.Warnf("Use default database settings, driver: %q, config: %q", c.Database.Driver, c.Database.Datasource)
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}
// Set default settings for remotes
switch strings.ToLower(c.Remote.Driver) {
case "github":
if len(c.Github.API) == 0 && len(c.Github.Host) == 0 {
c.Github.API = "https://api.github.com/"
c.Github.Host = "https://github.com"
log.Warnf("Use default github settings, host: %q, api: %q", c.Github.Host, c.Github.API)
} else if len(c.Github.API) == 0 && len(c.Github.Host) != 0 {
c.Github.API = fmt.Sprintf("%s/api/v3/", c.Github.Host)
log.Warnf("Github API not specified, use: %q", c.Github.API)
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}
}
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return c
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}