152 lines
3.7 KiB
Go
152 lines
3.7 KiB
Go
package structs
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import (
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"errors"
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"fmt"
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"github.com/hashicorp/consul/api"
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multierror "github.com/hashicorp/go-multierror"
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)
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// TxnKVOp is used to define a single operation on the KVS inside a
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// transaction.
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type TxnKVOp struct {
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Verb api.KVOp
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DirEnt DirEntry
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}
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// TxnKVResult is used to define the result of a single operation on the KVS
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// inside a transaction.
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type TxnKVResult *DirEntry
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// TxnNodeOp is used to define a single operation on a node in the catalog inside
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// a transaction.
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type TxnNodeOp struct {
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Verb api.NodeOp
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Node Node
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}
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// TxnNodeResult is used to define the result of a single operation on a node
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// in the catalog inside a transaction.
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type TxnNodeResult *Node
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// TxnServiceOp is used to define a single operation on a service in the catalog inside
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// a transaction.
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type TxnServiceOp struct {
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Verb api.ServiceOp
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Node string
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Service NodeService
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}
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// TxnServiceResult is used to define the result of a single operation on a service
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// in the catalog inside a transaction.
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type TxnServiceResult *NodeService
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// TxnCheckOp is used to define a single operation on a health check inside a
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// transaction.
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type TxnCheckOp struct {
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Verb api.CheckOp
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Check HealthCheck
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}
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// TxnCheckResult is used to define the result of a single operation on a
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// session inside a transaction.
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type TxnCheckResult *HealthCheck
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// TxnSessionOp is used to define a single operation on a session inside a
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// transaction.
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type TxnSessionOp struct {
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Verb api.SessionOp
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Session Session
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}
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// TxnKVOp is used to define a single operation on an Intention inside a
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// transaction.
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type TxnIntentionOp IntentionRequest
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// TxnOp is used to define a single operation inside a transaction. Only one
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// of the types should be filled out per entry.
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type TxnOp struct {
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KV *TxnKVOp
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Intention *TxnIntentionOp
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Node *TxnNodeOp
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Service *TxnServiceOp
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Check *TxnCheckOp
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Session *TxnSessionOp
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}
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// TxnOps is a list of operations within a transaction.
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type TxnOps []*TxnOp
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// TxnRequest is used to apply multiple operations to the state store in a
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// single transaction
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type TxnRequest struct {
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Datacenter string
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Ops TxnOps
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WriteRequest
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}
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func (r *TxnRequest) RequestDatacenter() string {
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return r.Datacenter
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}
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// TxnReadRequest is used as a fast path for read-only transactions that don't
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// modify the state store.
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type TxnReadRequest struct {
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Datacenter string
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Ops TxnOps
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QueryOptions
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}
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func (r *TxnReadRequest) RequestDatacenter() string {
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return r.Datacenter
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}
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// TxnError is used to return information about an error for a specific
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// operation.
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type TxnError struct {
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OpIndex int
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What string
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}
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// Error returns the string representation of an atomic error.
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func (e TxnError) Error() string {
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return fmt.Sprintf("op %d: %s", e.OpIndex, e.What)
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}
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// TxnErrors is a list of TxnError entries.
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type TxnErrors []*TxnError
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// TxnResult is used to define the result of a given operation inside a
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// transaction. Only one of the types should be filled out per entry.
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type TxnResult struct {
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KV TxnKVResult `json:",omitempty"`
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Node TxnNodeResult `json:",omitempty"`
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Service TxnServiceResult `json:",omitempty"`
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Check TxnCheckResult `json:",omitempty"`
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}
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// TxnResults is a list of TxnResult entries.
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type TxnResults []*TxnResult
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// TxnResponse is the structure returned by a TxnRequest.
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type TxnResponse struct {
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Results TxnResults
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Errors TxnErrors
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}
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// Error returns an aggregate of all errors in this TxnResponse.
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func (r TxnResponse) Error() error {
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var errs error
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for _, err := range r.Errors {
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errs = multierror.Append(errs, errors.New(err.Error()))
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}
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return errs
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}
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// TxnReadResponse is the structure returned by a TxnReadRequest.
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type TxnReadResponse struct {
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TxnResponse
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QueryMeta
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}
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