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config_keymap.go
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config_keymap.go
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package config
import (
flag "github.com/spf13/pflag"
)
var (
keys configKeyMap
)
type configKey struct {
Shorthand string
EnvVar string
DefaultValue interface{}
Description string
}
type configKeyMap map[string]*configKey
type setVapFun func(name string, aof *interface{}) *flag.Flag
func (c *Config) gbvp(name string, aof *bool) *flag.Flag {
return c.boolVarP(c.GlobalFlags, name, aof)
}
func (c *Config) abvp(name string, aof *bool) *flag.Flag {
return c.boolVarP(c.AdditionalFlags, name, aof)
}
func (c *Config) boolVarP(fset *flag.FlagSet, name string, aof *bool) *flag.Flag {
i := keys[name]
fset.BoolVarP(aof, name, i.Shorthand, c.Viper.GetBool(name), i.Description)
return fset.Lookup(name)
}
func (c *Config) givp(name string, aof *int) *flag.Flag {
return c.intVarP(c.GlobalFlags, name, aof)
}
func (c *Config) aivp(name string, aof *int) *flag.Flag {
return c.intVarP(c.AdditionalFlags, name, aof)
}
func (c *Config) intVarP(fset *flag.FlagSet, name string, aof *int) *flag.Flag {
i := keys[name]
fset.IntVarP(aof, name, i.Shorthand, c.Viper.GetInt(name), i.Description)
return fset.Lookup(name)
}
func (c *Config) gsvp(name string, aof *string) *flag.Flag {
return c.stringVarP(c.GlobalFlags, name, aof)
}
func (c *Config) asvp(name string, aof *string) *flag.Flag {
return c.stringVarP(c.AdditionalFlags, name, aof)
}
func (c *Config) stringVarP(fset *flag.FlagSet, name string, aof *string) *flag.Flag {
i := keys[name]
fset.StringVarP(aof, name, i.Shorthand, c.Viper.GetString(name), i.Description)
return fset.Lookup(name)
}
func (c *Config) gssvp(name string, aof *[]string) *flag.Flag {
return c.stringSliceVarP(c.GlobalFlags, name, aof)
}
func (c *Config) assvp(name string, aof *[]string) *flag.Flag {
return c.stringSliceVarP(c.AdditionalFlags, name, aof)
}
func (c *Config) stringSliceVarP(fset *flag.FlagSet, name string, aof *[]string) *flag.Flag {
i := keys[name]
fset.StringSliceVarP(
aof, name, i.Shorthand, c.Viper.GetStringSlice(name), i.Description)
return fset.Lookup(name)
}
func (c *Config) initConfigKeys() {
for k, v := range keys {
c.Viper.BindEnv(k, v.EnvVar)
c.Viper.SetDefault(k, v.DefaultValue)
}
c.gsvp(Host, &c.Host)
c.gsvp(LogLevel, &c.LogLevel)
c.assvp(StorageDrivers, &c.StorageDrivers)
c.assvp(VolumeDrivers, &c.VolumeDrivers)
c.assvp(OSDrivers, &c.OSDrivers)
c.aivp(MinVolSize, &c.MinVolSize)
c.abvp(RemoteManagement, &c.RemoteManagement)
c.asvp(DockerVolumeType, &c.DockerVolumeType)
c.aivp(DockerIOPS, &c.DockerIOPS)
c.aivp(DockerSize, &c.DockerSize)
c.asvp(DockerAvailabilityZone, &c.DockerAvailabilityZone)
c.asvp(AwsAccessKey, &c.AwsAccessKey)
c.asvp(AwsSecretKey, &c.AwsSecretKey)
c.asvp(AwsRegion, &c.AwsRegion)
c.asvp(RackspaceAuthURL, &c.RackspaceAuthURL)
c.asvp(RackspaceUserID, &c.RackspaceUserID)
c.asvp(RackspaceUserName, &c.RackspaceUserName)
c.asvp(RackspacePassword, &c.RackspacePassword)
c.asvp(RackspaceTenantID, &c.RackspaceTenantID)
c.asvp(RackspaceTenantName, &c.RackspaceTenantName)
c.asvp(RackspaceDomainID, &c.RackspaceDomainID)
c.asvp(RackspaceDomainName, &c.RackspaceDomainName)
c.asvp(OpenstackAuthURL, &c.OpenstackAuthURL)
c.asvp(OpenstackUserID, &c.OpenstackUserID)
c.asvp(OpenstackUserName, &c.OpenstackUserName)
c.asvp(OpenstackPassword, &c.OpenstackPassword)
c.asvp(OpenstackTenantID, &c.OpenstackTenantID)
c.asvp(OpenstackTenantName, &c.OpenstackTenantName)
c.asvp(OpenstackDomainID, &c.OpenstackDomainID)
c.asvp(OpenstackDomainName, &c.OpenstackDomainName)
c.asvp(OpenstackRegionName, &c.OpenstackRegionName)
c.asvp(OpenstackAvailabilityZoneName, &c.OpenstackAvailabilityZoneName)
c.asvp(ScaleIOEndpoint, &c.ScaleIOEndpoint)
c.abvp(ScaleIOInsecure, &c.ScaleIOInsecure)
c.abvp(ScaleIOUseCerts, &c.ScaleIOUseCerts)
c.asvp(ScaleIOUserName, &c.ScaleIOUserName)
c.asvp(ScaleIOPassword, &c.ScaleIoPassword)
c.asvp(ScaleIOSystemID, &c.ScaleIOSystemID)
c.asvp(ScaleIOSystemName, &c.ScaleIOSystemName)
c.asvp(ScaleIOProtectionDomainID, &c.ScaleIOProtectionDomainID)
c.asvp(ScaleIOProtectionDomainName, &c.ScaleIOProtectionDomainName)
c.asvp(ScaleIOStoragePoolID, &c.ScaleIOStoragePoolID)
c.asvp(ScaleIOStoragePoolName, &c.ScaleIOStoragePoolName)
c.asvp(XtremIOEndpoint, &c.XtremIOEndpoint)
c.asvp(XtremIOUserName, &c.XtremIOUserName)
c.asvp(XtremIOPassword, &c.XtremIoPassword)
c.abvp(XtremIOInsecure, &c.XtremIOInsecure)
c.abvp(XtremIODeviceMapper, &c.XtremIODeviceMapper)
c.abvp(XtremIOMultipath, &c.XtremIOMultipath)
c.abvp(XtremIORemoteManagement, &c.XtremIORemoteManagement)
}
func initConfigKeyMap() {
ck := func(envVar string, defVal interface{}, desc string) *configKey {
return &configKey{
EnvVar: envVar,
DefaultValue: defVal,
Description: desc,
}
}
keys = configKeyMap{
//Host: ck("REXRAY_HOST", "unix:///var/run/rexray.sock",
// "The REX-Ray service address"),
Host: ck("REXRAY_HOST", "tcp://:7979",
"The REX-Ray service address"),
LogLevel: ck("REXRAY_LOGLEVEL", "warn",
"The log level (panic, fatal, error, warn, info, debug)"),
StorageDrivers: ck("REXRAY_STORAGEDRIVERS", []string{},
"A space-delimited list of storage drivers to consider"),
VolumeDrivers: ck("REXRAY_VOLUMEDRIVERS", []string{"docker"},
"A space-delimited list of volume drivers to consider"),
OSDrivers: ck("REXRAY_OSDRIVERS", []string{"linux"},
"A space-delimited list of OS drivers to consider"),
MinVolSize: ck("REXRAY_MINVOLSIZE", 0,
"The minimum volume size REX-Ray is allowed to create"),
RemoteManagement: ck("REXRAY_REMOTEMANAGEMENT", false,
"A flag indicating whether or not to enable remote management"),
DockerVolumeType: ck("REXRAY_DOCKER_VOLUMETYPE", "", ""),
DockerIOPS: ck("REXRAY_DOCKER_IOPS", 0, ""),
DockerSize: ck("REXRAY_DOCKER_SIZE", 0, ""),
DockerAvailabilityZone: ck("REXRAY_DOCKER_AVAILABILITYZONE", "", ""),
AwsAccessKey: ck("AWS_ACCESS_KEY", "", ""),
AwsSecretKey: ck("AWS_SECRET_KEY", "", ""),
AwsRegion: ck("AWS_REGION", "", ""),
RackspaceAuthURL: ck("OS_AUTH_URL", "", ""),
RackspaceUserID: ck("OS_USERID", "", ""),
RackspaceUserName: ck("OS_USERNAME", "", ""),
RackspacePassword: ck("OS_PASSWORD", "", ""),
RackspaceTenantID: ck("OS_TENANT_ID", "", ""),
RackspaceTenantName: ck("OS_TENANT_NAME", "", ""),
RackspaceDomainID: ck("OS_DOMAIN_ID", "", ""),
RackspaceDomainName: ck("OS_DOMAIN_NAME", "", ""),
OpenstackAuthURL: ck("OS_AUTH_URL", "", ""),
OpenstackUserID: ck("OS_USERID", "", ""),
OpenstackUserName: ck("OS_USERNAME", "", ""),
OpenstackPassword: ck("OS_PASSWORD", "", ""),
OpenstackTenantID: ck("OS_TENANT_ID", "", ""),
OpenstackTenantName: ck("OS_TENANT_NAME", "", ""),
OpenstackDomainID: ck("OS_DOMAIN_ID", "", ""),
OpenstackDomainName: ck("OS_DOMAIN_NAME", "", ""),
OpenstackRegionName: ck("OS_REGION_NAME", "", ""),
OpenstackAvailabilityZoneName: ck("OS_AVAILABILITY_ZONE_NAME", "", ""),
ScaleIOEndpoint: ck("GOSCALEIO_ENDPOINT", "", ""),
ScaleIOInsecure: ck("GOSCALEIO_INSECURE", false, ""),
ScaleIOUseCerts: ck("GOSCALEIO_USECERTS", true, ""),
ScaleIOUserName: ck("GOSCALEIO_USERNAME", "", ""),
ScaleIOPassword: ck("GOSCALEIO_PASSWORD", "", ""),
ScaleIOSystemID: ck("GOSCALEIO_SYSTEMID", "", ""),
ScaleIOSystemName: ck("GOSCALEIO_SYSTEMNAME", "", ""),
ScaleIOProtectionDomainID: ck("GOSCALEIO_PROTECTIONDOMAINID", "", ""),
ScaleIOProtectionDomainName: ck("GOSCALEIO_PROTECTIONDOMAIN", "", ""),
ScaleIOStoragePoolID: ck("GOSCALEIO_STORAGEPOOLID", "", ""),
ScaleIOStoragePoolName: ck("GOSCALEIO_STORAGEPOOL", "", ""),
XtremIOEndpoint: ck("GOXTREMIO_ENDPOINT", "", ""),
XtremIOUserName: ck("GOXTREMIO_USERNAME", "", ""),
XtremIOPassword: ck("GOXTREMIO_PASSWORD", "", ""),
XtremIOInsecure: ck("GOXTREMIO_INSECURE", false, ""),
XtremIODeviceMapper: ck("GOXTREMIO_DM", "", ""),
XtremIOMultipath: ck("GOXTREMIO_MULTIPATH", "", ""),
XtremIORemoteManagement: ck("GOXTREMIO_REMOTEMANAGEMENT", false, ""),
}
keys[Host].Shorthand = "h"
keys[LogLevel].Shorthand = "l"
}