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boundary/internal/target/repository_host_source.go

399 lines
16 KiB

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package target
import (
"context"
"fmt"
"github.com/hashicorp/boundary/internal/db"
"github.com/hashicorp/boundary/internal/errors"
"github.com/hashicorp/boundary/internal/kms"
"github.com/hashicorp/boundary/internal/oplog"
)
// AddTargetHostSources provides the ability to add host sources (hostSourceIds)
// to a target (targetId). The target's current db version must match the
// targetVersion or an error will be returned. The target and a list of current
// host source ids will be returned on success. Zero is not a valid value for the
// WithVersion option and will return an error.
func (r *Repository) AddTargetHostSources(ctx context.Context, targetId string, targetVersion uint32, hostSourceIds []string, _ ...Option) (Target, error) {
const op = "target.(Repository).AddTargetHostSources"
if targetId == "" {
return nil, errors.New(ctx, errors.InvalidParameter, op, "missing target id")
}
if targetVersion == 0 {
return nil, errors.New(ctx, errors.InvalidParameter, op, "missing version")
}
if len(hostSourceIds) == 0 {
return nil, errors.New(ctx, errors.InvalidParameter, op, "missing host source ids")
}
newHostSources := make([]any, 0, len(hostSourceIds))
for _, id := range hostSourceIds {
ths, err := NewTargetHostSet(ctx, targetId, id)
if err != nil {
return nil, errors.Wrap(ctx, err, op, errors.WithMsg("unable to create in memory target host set"))
}
newHostSources = append(newHostSources, ths)
}
t := allocTargetView()
t.PublicId = targetId
if err := r.reader.LookupByPublicId(ctx, &t); err != nil {
return nil, errors.Wrap(ctx, err, op, errors.WithMsg(fmt.Sprintf("failed for %s", targetId)))
}
var metadata oplog.Metadata
alloc, ok := subtypeRegistry.allocFunc(t.Subtype())
if !ok {
return nil, errors.New(ctx, errors.InvalidParameter, op, fmt.Sprintf("%s is an unsupported target type %s", t.PublicId, t.Type))
}
target := alloc()
if err := target.SetPublicId(ctx, t.PublicId); err != nil {
return nil, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get set public id"))
}
target.SetVersion(targetVersion + 1)
metadata = target.Oplog(oplog.OpType_OP_TYPE_UPDATE)
metadata["op-type"] = append(metadata["op-type"], oplog.OpType_OP_TYPE_CREATE.String())
oplogWrapper, err := r.kms.GetWrapper(ctx, t.GetProjectId(), kms.KeyPurposeOplog)
if err != nil {
return nil, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get oplog wrapper"))
}
var currentHostSources []HostSource
var currentCredSources []CredentialSource
var updatedTarget Target
_, err = r.writer.DoTx(
ctx,
db.StdRetryCnt,
db.ExpBackoff{},
func(reader db.Reader, w db.Writer) error {
address, err := fetchAddress(ctx, reader, targetId)
if err != nil && !errors.IsNotFoundError(err) {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current target address"))
}
if address != nil && address.GetAddress() != "" {
return errors.New(ctx, errors.Conflict, op, "unable to add host sources because a network address is directly assigned to the given target")
}
msgs := make([]*oplog.Message, 0, 2)
targetTicket, err := w.GetTicket(ctx, target)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to get ticket"))
}
updatedTarget = target.Clone()
var targetOplogMsg oplog.Message
rowsUpdated, err := w.Update(ctx, updatedTarget, []string{"Version"}, nil, db.NewOplogMsg(&targetOplogMsg), db.WithVersion(&targetVersion))
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to update target version"))
}
if rowsUpdated != 1 {
return errors.New(ctx, errors.MultipleRecords, op, fmt.Sprintf("updated target and %d rows updated", rowsUpdated))
}
msgs = append(msgs, &targetOplogMsg)
hostSourcesOplogMsgs := make([]*oplog.Message, 0, len(newHostSources))
if err := w.CreateItems(ctx, newHostSources, db.NewOplogMsgs(&hostSourcesOplogMsgs)); err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to add target host sources"))
}
msgs = append(msgs, hostSourcesOplogMsgs...)
if err := w.WriteOplogEntryWith(ctx, oplogWrapper, targetTicket, metadata, msgs); err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to write oplog"))
}
currentHostSources, err = fetchHostSources(ctx, reader, targetId)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current host sources after adds"))
}
currentCredSources, err = fetchCredentialSources(ctx, reader, targetId)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current credential sources after adds"))
}
return nil
},
)
if err != nil {
return nil, errors.Wrap(ctx, err, op, errors.WithMsg("error creating sets"))
}
updatedTarget.SetHostSources(currentHostSources)
updatedTarget.SetCredentialSources(currentCredSources)
return updatedTarget, nil
}
// DeleteTargeHostSources deletes host sources from a target (targetId). The
// target's current db version must match the targetVersion or an error will be
// returned. Zero is not a valid value for the WithVersion option and will
// return an error.
func (r *Repository) DeleteTargetHostSources(ctx context.Context, targetId string, targetVersion uint32, hostSourceIds []string, _ ...Option) (int, error) {
const op = "target.(Repository).DeleteTargetHostSources"
if targetId == "" {
return db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, "missing target id")
}
if targetVersion == 0 {
return db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, "missing version")
}
if len(hostSourceIds) == 0 {
return db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, "missing host source ids")
}
deleteTargetHostSources := make([]any, 0, len(hostSourceIds))
for _, id := range hostSourceIds {
ths, err := NewTargetHostSet(ctx, targetId, id)
if err != nil {
return db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to create in memory target host set"))
}
deleteTargetHostSources = append(deleteTargetHostSources, ths)
}
t := allocTargetView()
t.PublicId = targetId
if err := r.reader.LookupByPublicId(ctx, &t); err != nil {
return db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg(fmt.Sprintf("failed for %s", targetId)))
}
var metadata oplog.Metadata
alloc, ok := subtypeRegistry.allocFunc(t.Subtype())
if !ok {
return db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, fmt.Sprintf("%s is an unsupported target type %s", t.PublicId, t.Type))
}
target := alloc()
if err := target.SetPublicId(ctx, t.PublicId); err != nil {
return db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get set public id"))
}
target.SetVersion(targetVersion + 1)
metadata = target.Oplog(oplog.OpType_OP_TYPE_UPDATE)
metadata["op-type"] = append(metadata["op-type"], oplog.OpType_OP_TYPE_DELETE.String())
oplogWrapper, err := r.kms.GetWrapper(ctx, t.GetProjectId(), kms.KeyPurposeOplog)
if err != nil {
return db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get oplog wrapper"))
}
var totalRowsDeleted int
_, err = r.writer.DoTx(
ctx,
db.StdRetryCnt,
db.ExpBackoff{},
func(reader db.Reader, w db.Writer) error {
msgs := make([]*oplog.Message, 0, 2)
targetTicket, err := w.GetTicket(ctx, target)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to get ticket"))
}
updatedTarget := target.(Cloneable).Clone()
var targetOplogMsg oplog.Message
rowsUpdated, err := w.Update(ctx, updatedTarget, []string{"Version"}, nil, db.NewOplogMsg(&targetOplogMsg), db.WithVersion(&targetVersion))
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to update target version"))
}
if rowsUpdated != 1 {
return errors.New(ctx, errors.MultipleRecords, op, fmt.Sprintf("updated target and %d rows updated", rowsUpdated))
}
msgs = append(msgs, &targetOplogMsg)
hostSourcesOplogMsgs := make([]*oplog.Message, 0, len(deleteTargetHostSources))
rowsDeleted, err := w.DeleteItems(ctx, deleteTargetHostSources, db.NewOplogMsgs(&hostSourcesOplogMsgs))
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to delete target host sources"))
}
if rowsDeleted != len(deleteTargetHostSources) {
return errors.New(ctx, errors.MultipleRecords, op, fmt.Sprintf("target host sources deleted %d did not match request for %d", rowsDeleted, len(deleteTargetHostSources)))
}
totalRowsDeleted += rowsDeleted
msgs = append(msgs, hostSourcesOplogMsgs...)
if err := w.WriteOplogEntryWith(ctx, oplogWrapper, targetTicket, metadata, msgs); err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to write oplog"))
}
return nil
},
)
if err != nil {
return db.NoRowsAffected, errors.Wrap(ctx, err, op)
}
return totalRowsDeleted, nil
}
// SetTargetHostSources will set the target's host sources. Set add and/or delete
// target host sources as need to reconcile the existing sets with the sets
// requested. If hostSourceIds is empty, the target host sources will be cleared. Zero
// is not a valid value for the WithVersion option and will return an error.
func (r *Repository) SetTargetHostSources(ctx context.Context, targetId string, targetVersion uint32, hostSourceIds []string, _ ...Option) ([]HostSource, []CredentialSource, int, error) {
const op = "target.(Repository).SetTargetHostSources"
if targetId == "" {
return nil, nil, db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, "missing target id")
}
if targetVersion == 0 {
return nil, nil, db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, "missing version")
}
t := allocTargetView()
t.PublicId = targetId
if err := r.reader.LookupByPublicId(ctx, &t); err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg(fmt.Sprintf("failed for %s", targetId)))
}
// NOTE: calculating that to set can safely happen outside of the write
// transaction since we're using targetVersion to ensure that the only
// operate on the same set of data from these queries that calculate the
// set.
// TODO(mgaffney) 08/2020: Use SQL to calculate changes.
foundThs, err := fetchHostSources(ctx, r.reader, targetId)
if err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to search for existing target host sources"))
}
found := map[string]HostSource{}
for _, s := range foundThs {
found[s.Id()] = s
}
addHostSources := make([]any, 0, len(hostSourceIds))
for _, id := range hostSourceIds {
if _, ok := found[id]; ok {
// found a match, so do nothing (we want to keep it), but remove it
// from found
delete(found, id)
continue
}
hs, err := NewTargetHostSet(ctx, targetId, id)
if err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to create in memory target host set"))
}
addHostSources = append(addHostSources, hs)
}
deleteHostSources := make([]any, 0, len(hostSourceIds))
if len(found) > 0 {
for _, s := range found {
hs, err := NewTargetHostSet(ctx, targetId, s.Id())
if err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg(" unable to create in memory target host set"))
}
deleteHostSources = append(deleteHostSources, hs)
}
}
if len(addHostSources) == 0 && len(deleteHostSources) == 0 {
return foundThs, nil, db.NoRowsAffected, nil
}
var metadata oplog.Metadata
alloc, ok := subtypeRegistry.allocFunc(t.Subtype())
if !ok {
return nil, nil, db.NoRowsAffected, errors.New(ctx, errors.InvalidParameter, op, fmt.Sprintf("%s is an unsupported target type %s", t.PublicId, t.Type))
}
target := alloc()
if err := target.SetPublicId(ctx, t.PublicId); err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get set public id"))
}
target.SetVersion(targetVersion + 1)
metadata = target.Oplog(oplog.OpType_OP_TYPE_UPDATE)
oplogWrapper, err := r.kms.GetWrapper(ctx, t.GetProjectId(), kms.KeyPurposeOplog)
if err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op, errors.WithMsg("unable to get oplog wrapper"))
}
var totalRowsAffected int
_, err = r.writer.DoTx(
ctx,
db.StdRetryCnt,
db.ExpBackoff{},
func(reader db.Reader, w db.Writer) error {
address, err := fetchAddress(ctx, reader, targetId)
if err != nil && !errors.IsNotFoundError(err) {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current target address"))
}
if address != nil && address.GetAddress() != "" {
return errors.New(ctx, errors.Conflict, op, "unable to set host sources because a network address is directly assigned to the given target")
}
msgs := make([]*oplog.Message, 0, 2)
targetTicket, err := w.GetTicket(ctx, target)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to get ticket"))
}
updatedTarget := target.(Cloneable).Clone()
var targetOplogMsg oplog.Message
rowsUpdated, err := w.Update(ctx, updatedTarget, []string{"Version"}, nil, db.NewOplogMsg(&targetOplogMsg), db.WithVersion(&targetVersion))
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to update target version"))
}
if rowsUpdated != 1 {
return errors.New(ctx, errors.MultipleRecords, op, fmt.Sprintf("set target host sources: updated target and %d rows updated", rowsUpdated))
}
msgs = append(msgs, &targetOplogMsg)
// Write the new ones in
if len(addHostSources) > 0 {
hostSourceOplogMsgs := make([]*oplog.Message, 0, len(addHostSources))
if err := w.CreateItems(ctx, addHostSources, db.NewOplogMsgs(&hostSourceOplogMsgs)); err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to add target host sources"))
}
totalRowsAffected += len(addHostSources)
msgs = append(msgs, hostSourceOplogMsgs...)
metadata["op-type"] = append(metadata["op-type"], oplog.OpType_OP_TYPE_CREATE.String())
}
// Anything we didn't take out of found needs to be removed
if len(deleteHostSources) > 0 {
hostSourceOplogMsgs := make([]*oplog.Message, 0, len(deleteHostSources))
rowsDeleted, err := w.DeleteItems(ctx, deleteHostSources, db.NewOplogMsgs(&hostSourceOplogMsgs))
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to delete target host source"))
}
if rowsDeleted != len(deleteHostSources) {
return errors.New(ctx, errors.MultipleRecords, op, fmt.Sprintf("target host sources deleted %d did not match request for %d", rowsDeleted, len(deleteHostSources)))
}
totalRowsAffected += rowsDeleted
msgs = append(msgs, hostSourceOplogMsgs...)
metadata["op-type"] = append(metadata["op-type"], oplog.OpType_OP_TYPE_DELETE.String())
}
if err := w.WriteOplogEntryWith(ctx, oplogWrapper, targetTicket, metadata, msgs); err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to write oplog"))
}
currentHostSources, err := fetchHostSources(ctx, reader, targetId)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current target host sources after set"))
}
t.SetHostSources(currentHostSources)
currentCredSources, err := fetchCredentialSources(ctx, reader, targetId)
if err != nil {
return errors.Wrap(ctx, err, op, errors.WithMsg("unable to retrieve current target credential sources after set"))
}
t.SetCredentialSources(currentCredSources)
return nil
},
)
if err != nil {
return nil, nil, db.NoRowsAffected, errors.Wrap(ctx, err, op)
}
return t.HostSource, t.CredentialSources, totalRowsAffected, nil
}
func fetchHostSources(ctx context.Context, r db.Reader, targetId string) ([]HostSource, error) {
const op = "target.fetchHostSources"
var hostSets []*TargetSet
if err := r.SearchWhere(ctx, &hostSets, "target_id = ?", []any{targetId}); err != nil {
return nil, errors.Wrap(ctx, err, op)
}
// FIXME: When we have direct host additions, there will need to be an
// updated view that unions between sets and hosts, at which point the type
// above will change. For now we just take the libraries and wrap them.
if len(hostSets) == 0 {
return nil, nil
}
ret := make([]HostSource, len(hostSets))
for i, lib := range hostSets {
ret[i] = lib
}
return ret, nil
}