Merge pull request #28078 from jasons42/configure-etcdv3-client-max-request-size
Expose etcd client MaxCallSendMsgSize config
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commit
570b70b02f
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@ -15,6 +15,7 @@ const (
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usernameEnvVarName = "ETCDV3_USERNAME"
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passwordKey = "password"
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passwordEnvVarName = "ETCDV3_PASSWORD"
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maxRequestBytesKey = "max_request_bytes"
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prefixKey = "prefix"
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lockKey = "lock"
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cacertPathKey = "cacert_path"
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@ -49,6 +50,13 @@ func New() backend.Backend {
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DefaultFunc: schema.EnvDefaultFunc(passwordEnvVarName, ""),
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},
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maxRequestBytesKey: &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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Description: "The max request size to send to etcd.",
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Default: 0,
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},
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prefixKey: &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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@ -128,6 +136,9 @@ func (b *Backend) rawClient() (*etcdv3.Client, error) {
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if v, ok := b.data.GetOk(passwordKey); ok && v.(string) != "" {
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config.Password = v.(string)
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}
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if v, ok := b.data.GetOk(maxRequestBytesKey); ok && v.(int) != 0 {
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config.MaxCallSendMsgSize = v.(int)
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}
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if v, ok := b.data.GetOk(cacertPathKey); ok && v.(string) != "" {
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tlsInfo.TrustedCAFile = v.(string)
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}
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@ -10,7 +10,7 @@ description: |-
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**Kind: Standard (with locking)**
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Stores the state in the [etcd](https://coreos.com/etcd/) KV store with a given prefix.
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Stores the state in the [etcd](https://etcd.io/) KV store with a given prefix.
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This backend supports [state locking](/docs/language/state/locking.html).
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@ -54,3 +54,4 @@ The following configuration options / environment variables are supported:
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* `cacert_path` - (Optional) The path to a PEM-encoded CA bundle with which to verify certificates of TLS-enabled etcd servers.
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* `cert_path` - (Optional) The path to a PEM-encoded certificate to provide to etcd for secure client identification.
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* `key_path` - (Optional) The path to a PEM-encoded key to provide to etcd for secure client identification.
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* `max_request_bytes` - (Optional) The max request size to send to etcd. This can be increased to enable storage of larger state. You must set the corresponding server-side flag [--max-request-bytes](https://etcd.io/docs/current/dev-guide/limit/#request-size-limit) as well and the value should be less than the client setting. Defaults to `2097152` (2.0 MiB). **Please Note:** Increasing etcd's request size limit may negatively impact overall latency.
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