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94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package etcd
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import (
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"time"
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"go.etcd.io/etcd/clientv3"
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"go.etcd.io/etcd/clientv3/namespace"
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"go.etcd.io/etcd/pkg/transport"
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"github.com/dexidp/dex/pkg/log"
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"github.com/dexidp/dex/storage"
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)
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var (
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defaultDialTimeout = 2 * time.Second
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)
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// SSL represents SSL options for etcd databases.
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type SSL struct {
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ServerName string `json:"serverName" yaml:"serverName"`
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CAFile string `json:"caFile" yaml:"caFile"`
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KeyFile string `json:"keyFile" yaml:"keyFile"`
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CertFile string `json:"certFile" yaml:"certFile"`
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}
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// Etcd options for connecting to etcd databases.
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// If you are using a shared etcd cluster for storage, it might be useful to
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// configure an etcd namespace either via Namespace field or using `etcd grpc-proxy
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// --namespace=<prefix>`
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type Etcd struct {
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Endpoints []string `json:"endpoints" yaml:"endpoints"`
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Namespace string `json:"namespace" yaml:"namespace"`
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Username string `json:"username" yaml:"username"`
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Password string `json:"password" yaml:"password"`
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SSL SSL `json:"ssl" yaml:"ssl"`
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}
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// Open creates a new storage implementation backed by Etcd
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func (p *Etcd) Open(logger log.Logger) (storage.Storage, error) {
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return p.open(logger)
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}
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func (p *Etcd) open(logger log.Logger) (*conn, error) {
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cfg := clientv3.Config{
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Endpoints: p.Endpoints,
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DialTimeout: defaultDialTimeout,
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Username: p.Username,
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Password: p.Password,
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}
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var cfgtls *transport.TLSInfo
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tlsinfo := transport.TLSInfo{}
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if p.SSL.CertFile != "" {
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tlsinfo.CertFile = p.SSL.CertFile
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cfgtls = &tlsinfo
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}
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if p.SSL.KeyFile != "" {
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tlsinfo.KeyFile = p.SSL.KeyFile
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cfgtls = &tlsinfo
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}
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if p.SSL.CAFile != "" {
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tlsinfo.TrustedCAFile = p.SSL.CAFile
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cfgtls = &tlsinfo
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}
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if p.SSL.ServerName != "" {
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tlsinfo.ServerName = p.SSL.ServerName
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cfgtls = &tlsinfo
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}
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if cfgtls != nil {
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clientTLS, err := cfgtls.ClientConfig()
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if err != nil {
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return nil, err
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}
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cfg.TLS = clientTLS
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}
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db, err := clientv3.New(cfg)
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if err != nil {
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return nil, err
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}
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if len(p.Namespace) > 0 {
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db.KV = namespace.NewKV(db.KV, p.Namespace)
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}
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c := &conn{
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db: db,
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logger: logger,
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}
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return c, nil
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}
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