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Add an etcd backend option to choose linearizable reads #97

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Add an etcd backend option to choose linearizable reads #97

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5 changes: 5 additions & 0 deletions pkg/backends/etcd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,10 @@ type EtcdConfig struct {
// The password for the basic_auth authentication.
Password string

// Whether to use serializable reads rather than linearizable ones, see
// <https://etcd.io/docs/v3.3/learning/api_guarantees/#linearizability>.
UseSerializableReads bool `toml:"use_serializable_reads"`

// The etcd api-level to use (2 or 3).
//
// The default is 2.
Expand Down Expand Up @@ -101,6 +105,7 @@ func (c *EtcdConfig) Connect() (template.Backend, error) {
ClientKey: c.ClientKey,
ClientCaKeys: c.ClientCaKeys,
}),
etcd.WithSerializableReads(c.UseSerializableReads),
etcd.WithVersion(c.Version))

if err != nil {
Expand Down