136 lines
3.4 KiB
Go
136 lines
3.4 KiB
Go
package main
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import (
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"fmt"
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"github.com/coreos/poke/connector"
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"github.com/coreos/poke/connector/github"
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"github.com/coreos/poke/connector/ldap"
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"github.com/coreos/poke/connector/mock"
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"github.com/coreos/poke/connector/oidc"
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"github.com/coreos/poke/storage"
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"github.com/coreos/poke/storage/kubernetes"
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"github.com/coreos/poke/storage/memory"
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)
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// Config is the config format for the main application.
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type Config struct {
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Issuer string `yaml:"issuer"`
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Storage Storage `yaml:"storage"`
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Connectors []Connector `yaml:"connectors"`
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Web Web `yaml:"web"`
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StaticClients []storage.Client `yaml:"staticClients"`
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}
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// Web is the config format for the HTTP server.
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type Web struct {
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HTTP string `yaml:"http"`
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HTTPS string `yaml:"https"`
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TLSCert string `yaml:"tlsCert"`
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TLSKey string `yaml:"tlsKey"`
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}
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// Storage holds app's storage configuration.
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type Storage struct {
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Type string `yaml:"type"`
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Config StorageConfig `yaml:"config"`
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}
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// UnmarshalYAML allows Storage to unmarshal its config field dynamically
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// depending on the type of storage.
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func (s *Storage) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var storageMeta struct {
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Type string `yaml:"type"`
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}
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if err := unmarshal(&storageMeta); err != nil {
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return err
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}
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s.Type = storageMeta.Type
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// TODO(ericchiang): replace this with a registration process.
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var err error
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switch storageMeta.Type {
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case "kubernetes":
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var config struct {
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Config kubernetes.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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s.Config = &config.Config
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case "memory":
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var config struct {
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Config memory.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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s.Config = &config.Config
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default:
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return fmt.Errorf("unknown storage type %q", storageMeta.Type)
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}
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return err
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}
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// StorageConfig is a configuration that can create a storage.
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type StorageConfig interface {
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Open() (storage.Storage, error)
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}
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// Connector is a magical type that can unmarshal YAML dynamically. The
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// Type field determines the connector type, which is then customized for Config.
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type Connector struct {
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Type string `yaml:"type"`
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Name string `yaml:"name"`
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ID string `yaml:"id"`
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Config ConnectorConfig `yaml:"config"`
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}
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// ConnectorConfig is a configuration that can open a connector.
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type ConnectorConfig interface {
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Open() (connector.Connector, error)
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}
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// UnmarshalYAML allows Connector to unmarshal its config field dynamically
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// depending on the type of connector.
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func (c *Connector) UnmarshalYAML(unmarshal func(interface{}) error) error {
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var connectorMetadata struct {
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Type string `yaml:"type"`
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Name string `yaml:"name"`
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ID string `yaml:"id"`
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}
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if err := unmarshal(&connectorMetadata); err != nil {
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return err
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}
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c.Type = connectorMetadata.Type
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c.Name = connectorMetadata.Name
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c.ID = connectorMetadata.ID
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var err error
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switch c.Type {
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case "mock":
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var config struct {
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Config mock.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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c.Config = &config.Config
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case "ldap":
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var config struct {
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Config ldap.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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c.Config = &config.Config
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case "github":
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var config struct {
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Config github.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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c.Config = &config.Config
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case "oidc":
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var config struct {
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Config oidc.Config `yaml:"config"`
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}
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err = unmarshal(&config)
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c.Config = &config.Config
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default:
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return fmt.Errorf("unknown connector type %q", c.Type)
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}
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return err
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}
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