713 lines
24 KiB
Go
713 lines
24 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package vault
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import (
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"context"
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"crypto/subtle"
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"encoding/base64"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/golang/protobuf/proto"
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wrapping "github.com/hashicorp/go-kms-wrapping/v2"
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"github.com/hashicorp/go-uuid"
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"github.com/hashicorp/vault/helper/constants"
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"github.com/hashicorp/vault/helper/namespace"
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"github.com/hashicorp/vault/physical/raft"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/logical"
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"github.com/hashicorp/vault/sdk/physical"
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"github.com/mitchellh/mapstructure"
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)
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// raftStoragePaths returns paths for use when raft is the storage mechanism.
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func (b *SystemBackend) raftStoragePaths() []*framework.Path {
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return []*framework.Path{
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{
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Pattern: "storage/raft/bootstrap/answer",
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Fields: map[string]*framework.FieldSchema{
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"server_id": {
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Type: framework.TypeString,
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},
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"answer": {
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Type: framework.TypeString,
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},
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"cluster_addr": {
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Type: framework.TypeString,
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},
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"non_voter": {
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Type: framework.TypeBool,
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.handleRaftBootstrapAnswerWrite(),
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Summary: "Accepts an answer from the peer to be joined to the fact cluster.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-bootstrap-answer"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-bootstrap-answer"][1]),
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},
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{
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Pattern: "storage/raft/bootstrap/challenge",
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Fields: map[string]*framework.FieldSchema{
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"server_id": {
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Type: framework.TypeString,
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.handleRaftBootstrapChallengeWrite(),
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Summary: "Creates a challenge for the new peer to be joined to the raft cluster.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-bootstrap-challenge"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-bootstrap-challenge"][1]),
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},
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{
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Pattern: "storage/raft/remove-peer",
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Fields: map[string]*framework.FieldSchema{
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"dr_operation_token": {
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Type: framework.TypeString,
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Description: "DR operation token used to authorize this request (if a DR secondary node).",
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},
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"server_id": {
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Type: framework.TypeString,
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.verifyDROperationTokenOnSecondary(b.handleRaftRemovePeerUpdate(), false),
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Summary: "Remove a peer from the raft cluster.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-remove-peer"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-remove-peer"][1]),
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},
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{
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Pattern: "storage/raft/configuration",
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Fields: map[string]*framework.FieldSchema{
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"dr_operation_token": {
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Type: framework.TypeString,
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Description: "DR operation token used to authorize this request (if a DR secondary node).",
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleRaftConfigurationGet(),
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Summary: "Returns the configuration of the raft cluster.",
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},
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// Reading configuration on a DR secondary cluster is an update
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// operation to allow consuming the DR operation token for
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// authenticating the request.
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.verifyDROperationToken(b.handleRaftConfigurationGet(), false),
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Summary: "Returns the configuration of the raft cluster in a DR secondary cluster.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-configuration"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-configuration"][1]),
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},
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{
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Pattern: "storage/raft/snapshot",
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.handleStorageRaftSnapshotRead(),
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Summary: "Returns a snapshot of the current state of vault.",
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},
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.handleStorageRaftSnapshotWrite(false),
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Summary: "Installs the provided snapshot, returning the cluster to the state defined in it.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-snapshot"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-snapshot"][1]),
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},
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{
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Pattern: "storage/raft/snapshot-force",
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.handleStorageRaftSnapshotWrite(true),
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Summary: "Installs the provided snapshot, returning the cluster to the state defined in it. This bypasses checks ensuring the current Autounseal or Shamir keys are consistent with the snapshot data.",
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-snapshot-force"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-snapshot-force"][1]),
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},
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{
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Pattern: "storage/raft/autopilot/state",
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.verifyDROperationTokenOnSecondary(b.handleStorageRaftAutopilotState(), false),
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Summary: "Returns the state of the raft cluster under integrated storage as seen by autopilot.",
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ForwardPerformanceStandby: true,
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-autopilot-state"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-autopilot-state"][1]),
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},
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{
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Pattern: "storage/raft/autopilot/configuration",
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Fields: map[string]*framework.FieldSchema{
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"cleanup_dead_servers": {
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Type: framework.TypeBool,
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Description: "Controls whether to remove dead servers from the Raft peer list periodically or when a new server joins.",
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},
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"last_contact_threshold": {
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Type: framework.TypeDurationSecond,
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Description: "Limit on the amount of time a server can go without leader contact before being considered unhealthy.",
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},
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"dead_server_last_contact_threshold": {
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Type: framework.TypeDurationSecond,
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Description: "Limit on the amount of time a server can go without leader contact before being considered failed. This takes effect only when cleanup_dead_servers is set.",
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},
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"max_trailing_logs": {
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Type: framework.TypeInt,
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Description: "Amount of entries in the Raft Log that a server can be behind before being considered unhealthy.",
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},
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"min_quorum": {
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Type: framework.TypeInt,
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Description: "Minimum number of servers allowed in a cluster before autopilot can prune dead servers. This should at least be 3.",
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},
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"server_stabilization_time": {
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Type: framework.TypeDurationSecond,
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Description: "Minimum amount of time a server must be in a stable, healthy state before it can be added to the cluster.",
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},
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"disable_upgrade_migration": {
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Type: framework.TypeBool,
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Description: "Whether or not to perform automated version upgrades.",
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},
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"dr_operation_token": {
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Type: framework.TypeString,
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Description: "DR operation token used to authorize this request (if a DR secondary node).",
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.ReadOperation: &framework.PathOperation{
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Callback: b.verifyDROperationTokenOnSecondary(b.handleStorageRaftAutopilotConfigRead(), false),
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},
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.verifyDROperationTokenOnSecondary(b.handleStorageRaftAutopilotConfigUpdate(), false),
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},
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},
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HelpSynopsis: strings.TrimSpace(sysRaftHelp["raft-autopilot-configuration"][0]),
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HelpDescription: strings.TrimSpace(sysRaftHelp["raft-autopilot-configuration"][1]),
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},
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}
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}
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func (b *SystemBackend) handleRaftConfigurationGet() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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config, err := raftBackend.GetConfiguration(ctx)
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if err != nil {
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return nil, err
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}
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return &logical.Response{
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Data: map[string]interface{}{
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"config": config,
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},
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}, nil
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}
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}
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func (b *SystemBackend) handleRaftRemovePeerUpdate() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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serverID := d.Get("server_id").(string)
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if len(serverID) == 0 {
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return logical.ErrorResponse("no server id provided"), logical.ErrInvalidRequest
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}
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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if err := raftBackend.RemovePeer(ctx, serverID); err != nil {
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return nil, err
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}
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b.Core.raftFollowerStates.Delete(serverID)
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return nil, nil
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}
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}
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func (b *SystemBackend) handleRaftBootstrapChallengeWrite() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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serverID := d.Get("server_id").(string)
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if len(serverID) == 0 {
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return logical.ErrorResponse("no server id provided"), logical.ErrInvalidRequest
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}
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var answer []byte
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answerRaw, ok := b.Core.pendingRaftPeers.Load(serverID)
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if !ok {
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var err error
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answer, err = uuid.GenerateRandomBytes(16)
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if err != nil {
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return nil, err
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}
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b.Core.pendingRaftPeers.Store(serverID, answer)
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} else {
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answer = answerRaw.([]byte)
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}
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sealAccess := b.Core.seal.GetAccess()
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eBlob, err := sealAccess.Encrypt(ctx, answer, nil)
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if err != nil {
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return nil, err
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}
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protoBlob, err := proto.Marshal(eBlob)
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if err != nil {
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return nil, err
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}
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sealConfig, err := b.Core.seal.BarrierConfig(ctx)
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if err != nil {
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return nil, err
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}
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return &logical.Response{
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Data: map[string]interface{}{
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"challenge": base64.StdEncoding.EncodeToString(protoBlob),
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"seal_config": sealConfig,
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},
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}, nil
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}
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}
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func (b *SystemBackend) handleRaftBootstrapAnswerWrite() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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serverID := d.Get("server_id").(string)
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if len(serverID) == 0 {
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return logical.ErrorResponse("no server_id provided"), logical.ErrInvalidRequest
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}
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answerRaw := d.Get("answer").(string)
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if len(answerRaw) == 0 {
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return logical.ErrorResponse("no answer provided"), logical.ErrInvalidRequest
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}
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clusterAddr := d.Get("cluster_addr").(string)
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if len(clusterAddr) == 0 {
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return logical.ErrorResponse("no cluster_addr provided"), logical.ErrInvalidRequest
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}
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nonVoter := d.Get("non_voter").(bool)
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answer, err := base64.StdEncoding.DecodeString(answerRaw)
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if err != nil {
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return logical.ErrorResponse("could not base64 decode answer"), logical.ErrInvalidRequest
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}
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expectedAnswerRaw, ok := b.Core.pendingRaftPeers.Load(serverID)
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if !ok {
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return logical.ErrorResponse("no expected answer for the server id provided"), logical.ErrInvalidRequest
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}
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b.Core.pendingRaftPeers.Delete(serverID)
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if subtle.ConstantTimeCompare(answer, expectedAnswerRaw.([]byte)) == 0 {
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return logical.ErrorResponse("invalid answer given"), logical.ErrInvalidRequest
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}
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tlsKeyringEntry, err := b.Core.barrier.Get(ctx, raftTLSStoragePath)
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if err != nil {
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return nil, err
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}
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if tlsKeyringEntry == nil {
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return nil, errors.New("could not find raft TLS configuration")
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}
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var keyring raft.TLSKeyring
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if err := tlsKeyringEntry.DecodeJSON(&keyring); err != nil {
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return nil, errors.New("could not decode raft TLS configuration")
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}
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var desiredSuffrage string
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switch nonVoter {
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case true:
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desiredSuffrage = "non-voter"
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default:
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desiredSuffrage = "voter"
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}
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added := b.Core.raftFollowerStates.Update(&raft.EchoRequestUpdate{
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NodeID: serverID,
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DesiredSuffrage: desiredSuffrage,
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})
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switch nonVoter {
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case true:
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err = raftBackend.AddNonVotingPeer(ctx, serverID, clusterAddr)
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default:
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err = raftBackend.AddPeer(ctx, serverID, clusterAddr)
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}
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if err != nil {
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if added {
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b.Core.raftFollowerStates.Delete(serverID)
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}
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return nil, err
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}
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peers, err := raftBackend.Peers(ctx)
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if err != nil {
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return nil, err
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}
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b.logger.Info("follower node answered the raft bootstrap challenge", "follower_server_id", serverID)
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return &logical.Response{
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Data: map[string]interface{}{
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"peers": peers,
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"tls_keyring": &keyring,
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"autoloaded_license": LicenseAutoloaded(b.Core),
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},
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}, nil
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}
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}
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func (b *SystemBackend) handleStorageRaftSnapshotRead() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftStorage, ok := b.Core.underlyingPhysical.(*raft.RaftBackend)
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if !ok {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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if req.ResponseWriter == nil {
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return nil, errors.New("no writer for request")
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}
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err := raftStorage.SnapshotHTTP(req.ResponseWriter, b.Core.seal.GetAccess())
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if err != nil {
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return nil, err
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}
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return nil, nil
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}
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}
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func (b *SystemBackend) handleStorageRaftAutopilotState() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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state, err := raftBackend.GetAutopilotServerState(ctx)
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if err != nil {
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return nil, err
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}
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if state == nil {
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return nil, nil
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}
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data := make(map[string]interface{})
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err = mapstructure.Decode(state, &data)
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if err != nil {
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return nil, err
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}
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return &logical.Response{
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Data: data,
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}, nil
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}
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}
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func (b *SystemBackend) handleStorageRaftAutopilotConfigRead() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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config := raftBackend.AutopilotConfig()
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if config == nil {
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return nil, nil
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}
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return &logical.Response{
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Data: map[string]interface{}{
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"cleanup_dead_servers": config.CleanupDeadServers,
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"last_contact_threshold": config.LastContactThreshold.String(),
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"dead_server_last_contact_threshold": config.DeadServerLastContactThreshold.String(),
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"max_trailing_logs": config.MaxTrailingLogs,
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"min_quorum": config.MinQuorum,
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"server_stabilization_time": config.ServerStabilizationTime.String(),
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"disable_upgrade_migration": config.DisableUpgradeMigration,
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},
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}, nil
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}
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}
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func (b *SystemBackend) handleStorageRaftAutopilotConfigUpdate() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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raftBackend := b.Core.getRaftBackend()
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if raftBackend == nil {
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return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
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}
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// Read autopilot configuration from storage
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config, err := b.Core.loadAutopilotConfiguration(ctx)
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if err != nil {
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b.logger.Error("failed to load autopilot config from storage when setting up cluster; continuing since autopilot falls back to default config", "error", err)
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}
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if config == nil {
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config = &raft.AutopilotConfig{}
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}
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persist := false
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cleanupDeadServers, ok := d.GetOk("cleanup_dead_servers")
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if ok {
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if cleanupDeadServers.(bool) {
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config.CleanupDeadServersValue = raft.CleanupDeadServersTrue
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} else {
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config.CleanupDeadServersValue = raft.CleanupDeadServersFalse
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}
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persist = true
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}
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lastContactThreshold, ok := d.GetOk("last_contact_threshold")
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if ok {
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config.LastContactThreshold = time.Duration(lastContactThreshold.(int)) * time.Second
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persist = true
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}
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deadServerLastContactThreshold, ok := d.GetOk("dead_server_last_contact_threshold")
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if ok {
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config.DeadServerLastContactThreshold = time.Duration(deadServerLastContactThreshold.(int)) * time.Second
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persist = true
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}
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|
maxTrailingLogs, ok := d.GetOk("max_trailing_logs")
|
|
if ok {
|
|
config.MaxTrailingLogs = uint64(maxTrailingLogs.(int))
|
|
persist = true
|
|
}
|
|
minQuorum, ok := d.GetOk("min_quorum")
|
|
if ok {
|
|
config.MinQuorum = uint(minQuorum.(int))
|
|
persist = true
|
|
}
|
|
serverStabilizationTime, ok := d.GetOk("server_stabilization_time")
|
|
if ok {
|
|
config.ServerStabilizationTime = time.Duration(serverStabilizationTime.(int)) * time.Second
|
|
persist = true
|
|
}
|
|
disableUpgradeMigration, ok := d.GetOk("disable_upgrade_migration")
|
|
if ok {
|
|
if !constants.IsEnterprise {
|
|
return logical.ErrorResponse("disable_upgrade_migration is only available in Vault Enterprise"), logical.ErrInvalidRequest
|
|
}
|
|
config.DisableUpgradeMigration = disableUpgradeMigration.(bool)
|
|
persist = true
|
|
}
|
|
|
|
effectiveConf := raftBackend.AutopilotConfig()
|
|
effectiveConf.Merge(config)
|
|
|
|
if effectiveConf.CleanupDeadServers && effectiveConf.MinQuorum < 3 {
|
|
return logical.ErrorResponse(fmt.Sprintf("min_quorum must be set when cleanup_dead_servers is set and it should at least be 3; cleanup_dead_servers: %#v, min_quorum: %#v", effectiveConf.CleanupDeadServers, effectiveConf.MinQuorum)), logical.ErrInvalidRequest
|
|
}
|
|
|
|
if effectiveConf.CleanupDeadServers && effectiveConf.DeadServerLastContactThreshold.Seconds() < 60 {
|
|
return logical.ErrorResponse(fmt.Sprintf("dead_server_last_contact_threshold should not be set to less than 1m; received: %v", deadServerLastContactThreshold)), logical.ErrInvalidRequest
|
|
}
|
|
|
|
// Persist only the user supplied fields
|
|
if persist {
|
|
entry, err := logical.StorageEntryJSON(raftAutopilotConfigurationStoragePath, config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if err := b.Core.barrier.Put(ctx, entry); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// Set the effectiveConfig
|
|
raftBackend.SetAutopilotConfig(effectiveConf)
|
|
|
|
return nil, nil
|
|
}
|
|
}
|
|
|
|
func (b *SystemBackend) handleStorageRaftSnapshotWrite(force bool) framework.OperationFunc {
|
|
return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
|
|
raftStorage, ok := b.Core.underlyingPhysical.(*raft.RaftBackend)
|
|
if !ok {
|
|
return logical.ErrorResponse("raft storage is not in use"), logical.ErrInvalidRequest
|
|
}
|
|
body, ok := logical.ContextOriginalBodyValue(ctx)
|
|
if !ok {
|
|
return nil, errors.New("no reader for request")
|
|
}
|
|
|
|
access := b.Core.seal.GetAccess()
|
|
if force {
|
|
access = nil
|
|
}
|
|
|
|
// We want to buffer the http request reader into a temp file here so we
|
|
// don't have to hold the full snapshot in memory. We also want to do
|
|
// the restore in two parts so we can restore the snapshot while the
|
|
// stateLock is write locked.
|
|
snapFile, cleanup, metadata, err := raftStorage.WriteSnapshotToTemp(body, access)
|
|
switch {
|
|
case err == nil:
|
|
case strings.Contains(err.Error(), "failed to open the sealed hashes"):
|
|
switch b.Core.seal.BarrierType() {
|
|
case wrapping.WrapperTypeShamir:
|
|
return logical.ErrorResponse("could not verify hash file, possibly the snapshot is using a different set of unseal keys; use the snapshot-force API to bypass this check"), logical.ErrInvalidRequest
|
|
default:
|
|
return logical.ErrorResponse("could not verify hash file, possibly the snapshot is using a different autoseal key; use the snapshot-force API to bypass this check"), logical.ErrInvalidRequest
|
|
}
|
|
case err != nil:
|
|
b.Core.logger.Error("raft snapshot restore: failed to write snapshot", "error", err)
|
|
return nil, err
|
|
}
|
|
|
|
// We want to do this in a go routine so we can upgrade the lock and
|
|
// allow the client to disconnect.
|
|
go func() (retErr error) {
|
|
// Cleanup the temp file
|
|
defer cleanup()
|
|
|
|
// Grab statelock
|
|
l := newLockGrabber(b.Core.stateLock.Lock, b.Core.stateLock.Unlock, b.Core.standbyStopCh.Load().(chan struct{}))
|
|
go l.grab()
|
|
if stopped := l.lockOrStop(); stopped {
|
|
b.Core.logger.Error("not applying snapshot; shutting down")
|
|
return
|
|
}
|
|
defer b.Core.stateLock.Unlock()
|
|
|
|
// If we failed to restore the snapshot we should seal this node as
|
|
// it's in an unknown state
|
|
defer func() {
|
|
if retErr != nil {
|
|
if err := b.Core.sealInternalWithOptions(false, false, true); err != nil {
|
|
b.Core.logger.Error("failed to seal node", "error", err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
ctx, ctxCancel := context.WithCancel(namespace.RootContext(nil))
|
|
|
|
// We are calling the callback function synchronously here while we
|
|
// have the lock. So set it to nil and restore the callback when we
|
|
// finish.
|
|
raftStorage.SetRestoreCallback(nil)
|
|
defer raftStorage.SetRestoreCallback(b.Core.raftSnapshotRestoreCallback(true, true))
|
|
|
|
// Do a preSeal to clear vault's in-memory caches and shut down any
|
|
// systems that might be holding the encryption access.
|
|
b.Core.logger.Info("shutting down prior to restoring snapshot")
|
|
if err := b.Core.preSeal(); err != nil {
|
|
b.Core.logger.Error("raft snapshot restore failed preSeal", "error", err)
|
|
return err
|
|
}
|
|
|
|
b.Core.logger.Info("applying snapshot")
|
|
if err := raftStorage.RestoreSnapshot(ctx, metadata, snapFile); err != nil {
|
|
b.Core.logger.Error("error while restoring raft snapshot", "error", err)
|
|
return err
|
|
}
|
|
|
|
// Run invalidation logic synchronously here
|
|
callback := b.Core.raftSnapshotRestoreCallback(false, false)
|
|
if err := callback(ctx); err != nil {
|
|
return err
|
|
}
|
|
|
|
{
|
|
// If the snapshot was taken while another node was leader we
|
|
// need to reset the leader information to this node.
|
|
if err := b.Core.underlyingPhysical.Put(ctx, &physical.Entry{
|
|
Key: CoreLockPath,
|
|
Value: []byte(b.Core.leaderUUID),
|
|
}); err != nil {
|
|
b.Core.logger.Error("cluster setup failed", "error", err)
|
|
return err
|
|
}
|
|
// re-advertise our cluster information
|
|
if err := b.Core.advertiseLeader(ctx, b.Core.leaderUUID, nil); err != nil {
|
|
b.Core.logger.Error("cluster setup failed", "error", err)
|
|
return err
|
|
}
|
|
}
|
|
if err := b.Core.postUnseal(ctx, ctxCancel, standardUnsealStrategy{}); err != nil {
|
|
b.Core.logger.Error("raft snapshot restore failed postUnseal", "error", err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}()
|
|
|
|
return nil, nil
|
|
}
|
|
}
|
|
|
|
var sysRaftHelp = map[string][2]string{
|
|
"raft-bootstrap-challenge": {
|
|
"Creates a challenge for the new peer to be joined to the raft cluster.",
|
|
"",
|
|
},
|
|
"raft-bootstrap-answer": {
|
|
"Accepts an answer from the peer to be joined to the fact cluster.",
|
|
"",
|
|
},
|
|
"raft-configuration": {
|
|
"Returns the raft cluster configuration.",
|
|
`On a DR secondary cluster, instead of a GET, this must be a POST or
|
|
PUT, and furthermore a DR operation token must be provided.`,
|
|
},
|
|
"raft-remove-peer": {
|
|
"Removes a peer from the raft cluster.",
|
|
"",
|
|
},
|
|
"raft-snapshot": {
|
|
"Restores and saves snapshots from the raft cluster.",
|
|
"",
|
|
},
|
|
"raft-snapshot-force": {
|
|
"Force restore a raft cluster snapshot",
|
|
"",
|
|
},
|
|
"raft-autopilot-state": {
|
|
"Returns the state of the raft cluster under integrated storage as seen by autopilot.",
|
|
"",
|
|
},
|
|
"raft-autopilot-configuration": {
|
|
"Returns autopilot configuration.",
|
|
"",
|
|
},
|
|
}
|