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ctrl/requests_acl.go
2022-06-22 14:32:58 +02:00

940 lines
25 KiB
Go

package steward
import (
"bytes"
"encoding/json"
"fmt"
"log"
"github.com/fxamacker/cbor/v2"
)
// ----
type methodREQAclRequestUpdate struct {
event Event
}
func (m methodREQAclRequestUpdate) getKind() Event {
return m.event
}
// Handler to get all acl's from a central server.
func (m methodREQAclRequestUpdate) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- subscriber methodREQAclRequestUpdate received from: %v, hash data = %v", message.FromNode, message.Data)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
// fmt.Printf("\n --- subscriber methodREQAclRequestUpdate: the message brought to handler : %+v\n", message)
// Get a context with the timeout specified in message.MethodTimeout.
ctx, _ := getContextForMethodTimeout(proc.ctx, message)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
outCh := make(chan []byte)
go func() {
select {
case <-ctx.Done():
// Done
case outCh <- []byte{}:
}
}()
select {
case <-ctx.Done():
// case out := <-outCh:
case <-outCh:
// Using a func here to set the scope of the lock, and then be able to
// defer the unlock when leaving that scope.
func() {
proc.centralAuth.accessLists.schemaGenerated.mu.Lock()
defer proc.centralAuth.accessLists.schemaGenerated.mu.Unlock()
log.Printf(" ---- subscriber methodREQAclRequestUpdate: got acl hash from NODE=%v, HASH data =%v\n", message.FromNode, message.Data)
// Check if the received hash is the same as the one currently active,
// If it is the same we exit the handler immediately.
hash32 := proc.centralAuth.accessLists.schemaGenerated.GeneratedACLsMap[message.FromNode].Hash
hash := hash32[:]
log.Printf("---- subscriber methodREQAclRequestUpdate: the central acl hash=%v\n", hash32)
if bytes.Equal(hash, message.Data) {
log.Printf("---- subscriber methodREQAclRequestUpdate: NODE AND CENTRAL HAVE EQUAL ACL HASH, NOTHING TO DO, EXITING HANDLER\n")
return
}
log.Printf("---- subscriber methodREQAclRequestUpdate: NODE AND CENTRAL HAD NOT EQUAL ACL, PREPARING TO SEND NEW VERSION OF Acl\n")
// Generate JSON for Message.Data
hdh := HostACLsSerializedWithHash{}
hdh.Data = proc.centralAuth.accessLists.schemaGenerated.GeneratedACLsMap[message.FromNode].Data
// fmt.Printf("\n * DEBUGGING: before marshalling, hdh.Data=%v\n", hdh.Data)
hdh.Hash = proc.centralAuth.accessLists.schemaGenerated.GeneratedACLsMap[message.FromNode].Hash
// fmt.Printf("\n * DEBUGGING: before marshalling, hdh.Hash=%v\n\n", hdh.Hash)
js, err := json.Marshal(hdh)
if err != nil {
er := fmt.Errorf("error: REQAclRequestUpdate : json marshal failed: %v, message: %v", err, message)
proc.errorKernel.errSend(proc, message, er)
log.Fatalf("%v\n", er)
}
fmt.Printf(" ----> subscriber methodREQAclRequestUpdate: SENDING ACL'S TO NODE=%v, serializedAndHash=%+v\n", message.FromNode, hdh)
newReplyMessage(proc, message, js)
}()
}
}()
// NB: We're not sending an ACK message for this request type.
return nil, nil
}
// ----
type methodREQAclDeliverUpdate struct {
event Event
}
func (m methodREQAclDeliverUpdate) getKind() Event {
return m.event
}
// Handler to receive the acls from a central server.
func (m methodREQAclDeliverUpdate) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- subscriber methodREQAclDeliverUpdate received from: %v, containing: %v", message.FromNode, message.Data)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
// fmt.Printf("\n --- subscriber methodREQAclRequestUpdate: the message received on handler : %+v\n\n", message)
// Get a context with the timeout specified in message.MethodTimeout.
ctx, _ := getContextForMethodTimeout(proc.ctx, message)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
outCh := make(chan []byte)
go func() {
// Normally we would do some logic here, where the result is passed to outCh when done,
// so we can split up the working logic, and f.ex. sending a reply logic.
// In this case this go func and the below select is not needed, but keeping it so the
// structure is the same as the other handlers.
select {
case <-ctx.Done():
case outCh <- []byte{}:
}
}()
select {
// case proc.toRingbufferCh <- []subjectAndMessage{sam}:
case <-ctx.Done():
case <-outCh:
proc.nodeAuth.nodeAcl.mu.Lock()
hdh := HostACLsSerializedWithHash{}
err := json.Unmarshal(message.Data, &hdh)
if err != nil {
er := fmt.Errorf("error: subscriber REQAclDeliverUpdate : json unmarshal failed: %v, message: %v", err, message)
proc.errorKernel.errSend(proc, message, er)
log.Fatalf("\n * DEBUG: ER: %v\n", er)
}
mapOfFromNodeCommands := make(map[Node]map[command]struct{})
if len(hdh.Data) != 0 {
err = cbor.Unmarshal(hdh.Data, &mapOfFromNodeCommands)
if err != nil {
er := fmt.Errorf("error: subscriber REQAclDeliverUpdate : cbor unmarshal failed: %v, message: %v", err, message)
proc.errorKernel.errSend(proc, message, er)
log.Fatalf("\n * DEBUG: ER: %v\n", er)
}
}
proc.nodeAuth.nodeAcl.aclAndHash.Hash = hdh.Hash
proc.nodeAuth.nodeAcl.aclAndHash.Acl = mapOfFromNodeCommands
fmt.Printf("\n <---- subscriber REQAclDeliverUpdate: after unmarshal, nodeAuth aclAndhash contains: %+v\n\n", proc.nodeAuth.nodeAcl.aclAndHash)
proc.nodeAuth.nodeAcl.mu.Unlock()
err = proc.nodeAuth.nodeAcl.saveToFile()
if err != nil {
er := fmt.Errorf("error: subscriber REQAclDeliverUpdate : save to file failed: %v, message: %v", err, message)
proc.errorKernel.errSend(proc, message, er)
}
// Prepare and queue for sending a new message with the output
// of the action executed.
// newReplyMessage(proc, message, out)
}
}()
// Send back an ACK message.
// ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return nil, nil
}
// ---
type methodREQAclAddCommand struct {
event Event
}
func (m methodREQAclAddCommand) getKind() Event {
return m.event
}
func (m methodREQAclAddCommand) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclAddCommand received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 3:
errCh <- fmt.Errorf("error: methodREQAclAddAccessList: got <3 number methodArgs, want 3")
return
}
host := message.MethodArgs[0]
source := message.MethodArgs[1]
cmd := message.MethodArgs[2]
proc.centralAuth.aclAddCommand(Node(host), Node(source), command(cmd))
outString := fmt.Sprintf("acl added: host=%v, source=%v, command=%v\n", host, source, cmd)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclAddAccessList: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclDeleteCommand struct {
event Event
}
func (m methodREQAclDeleteCommand) getKind() Event {
return m.event
}
func (m methodREQAclDeleteCommand) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclDeleteCommand received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 3:
errCh <- fmt.Errorf("error: methodREQAclDeleteCommand: got <3 number methodArgs, want 3")
return
}
host := message.MethodArgs[0]
source := message.MethodArgs[1]
cmd := message.MethodArgs[2]
proc.centralAuth.aclDeleteCommand(Node(host), Node(source), command(cmd))
outString := fmt.Sprintf("acl deleted: host=%v, source=%v, command=%v\n", host, source, cmd)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclDeleteCommand: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclDeleteSource struct {
event Event
}
func (m methodREQAclDeleteSource) getKind() Event {
return m.event
}
func (m methodREQAclDeleteSource) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclDeleteSource received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 2:
errCh <- fmt.Errorf("error: methodREQAclDeleteSource: got <2 number methodArgs, want 2")
return
}
host := message.MethodArgs[0]
source := message.MethodArgs[1]
proc.centralAuth.aclDeleteSource(Node(host), Node(source))
outString := fmt.Sprintf("acl deleted: host=%v, source=%v\n", host, source)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclDeleteSource: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupNodesAddNode struct {
event Event
}
func (m methodREQAclGroupNodesAddNode) getKind() Event {
return m.event
}
func (m methodREQAclGroupNodesAddNode) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupNodesAddNode received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 2:
errCh <- fmt.Errorf("error: methodREQAclGroupNodesAddNode: got <2 number methodArgs, want 2")
return
}
ng := message.MethodArgs[0]
n := message.MethodArgs[1]
proc.centralAuth.groupNodesAddNode(nodeGroup(ng), Node(n))
outString := fmt.Sprintf("added node to nodeGroup: nodeGroup=%v, node=%v\n", ng, n)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupNodesAddNode: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupNodesDeleteNode struct {
event Event
}
func (m methodREQAclGroupNodesDeleteNode) getKind() Event {
return m.event
}
func (m methodREQAclGroupNodesDeleteNode) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupNodesDeleteNode received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 2:
errCh <- fmt.Errorf("error: methodREQAclGroupNodesDeleteNode: got <2 number methodArgs, want 2")
return
}
ng := message.MethodArgs[0]
n := message.MethodArgs[1]
proc.centralAuth.groupNodesDeleteNode(nodeGroup(ng), Node(n))
outString := fmt.Sprintf("deleted node from nodeGroup: nodeGroup=%v, node=%v\n", ng, n)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupNodesDeleteNode: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupNodesDeleteGroup struct {
event Event
}
func (m methodREQAclGroupNodesDeleteGroup) getKind() Event {
return m.event
}
func (m methodREQAclGroupNodesDeleteGroup) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupNodesDeleteGroup received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 1:
errCh <- fmt.Errorf("error: methodREQAclGroupNodesDeleteGroup: got <1 number methodArgs, want 1")
return
}
ng := message.MethodArgs[0]
proc.centralAuth.groupNodesDeleteGroup(nodeGroup(ng))
outString := fmt.Sprintf("deleted nodeGroup: nodeGroup=%v\n", ng)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupNodesDeleteGroup: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupCommandsAddCommand struct {
event Event
}
func (m methodREQAclGroupCommandsAddCommand) getKind() Event {
return m.event
}
func (m methodREQAclGroupCommandsAddCommand) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupCommandsAddCommand received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 2:
errCh <- fmt.Errorf("error: methodREQAclGroupCommandsAddCommand: got <2 number methodArgs, want 1")
return
}
cg := message.MethodArgs[0]
c := message.MethodArgs[1]
proc.centralAuth.groupCommandsAddCommand(commandGroup(cg), command(c))
outString := fmt.Sprintf("added command to commandGroup: commandGroup=%v, command=%v\n", cg, c)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupCommandsAddCommand: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupCommandsDeleteCommand struct {
event Event
}
func (m methodREQAclGroupCommandsDeleteCommand) getKind() Event {
return m.event
}
func (m methodREQAclGroupCommandsDeleteCommand) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupCommandsDeleteCommand received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 1:
errCh <- fmt.Errorf("error: methodREQAclGroupCommandsDeleteCommand: got <1 number methodArgs, want 1")
return
}
cg := message.MethodArgs[0]
c := message.MethodArgs[1]
proc.centralAuth.groupCommandsDeleteCommand(commandGroup(cg), command(c))
outString := fmt.Sprintf("deleted command from commandGroup: commandGroup=%v, command=%v\n", cg, c)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupCommandsDeleteCommand: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclGroupCommandsDeleteGroup struct {
event Event
}
func (m methodREQAclGroupCommandsDeleteGroup) getKind() Event {
return m.event
}
func (m methodREQAclGroupCommandsDeleteGroup) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclGroupCommandsDeleteGroup received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 1:
errCh <- fmt.Errorf("error: methodREQAclGroupCommandsDeleteGroup: got <1 number methodArgs, want 1")
return
}
cg := message.MethodArgs[0]
proc.centralAuth.groupCommandDeleteGroup(commandGroup(cg))
outString := fmt.Sprintf("deleted commandGroup: commandGroup=%v\n", cg)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclGroupCommandsDeleteGroup: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclExport struct {
event Event
}
func (m methodREQAclExport) getKind() Event {
return m.event
}
func (m methodREQAclExport) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclExport received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
out, err := proc.centralAuth.exportACLs()
if err != nil {
errCh <- fmt.Errorf("error: methodREQAclExport failed: %v", err)
return
}
// outString := fmt.Sprintf("Exported acls sent from: %v\n", message.FromNode)
// out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclExport: method timed out: %v", message.MethodArgs)
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}
// ---
type methodREQAclImport struct {
event Event
}
func (m methodREQAclImport) getKind() Event {
return m.event
}
func (m methodREQAclImport) handler(proc process, message Message, node string) ([]byte, error) {
inf := fmt.Errorf("<--- methodREQAclImport received from: %v, containing: %v", message.FromNode, message.MethodArgs)
proc.errorKernel.logConsoleOnlyIfDebug(inf, proc.configuration)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
// Get a context with the timeout specified in message.MethodTimeout.
ctx, cancel := getContextForMethodTimeout(proc.ctx, message)
outCh := make(chan []byte)
errCh := make(chan error)
proc.processes.wg.Add(1)
go func() {
defer proc.processes.wg.Done()
switch {
case len(message.MethodArgs) < 1:
errCh <- fmt.Errorf("error: methodREQAclImport: got <1 number methodArgs, want 1")
return
}
js := []byte(message.MethodArgs[0])
err := proc.centralAuth.importACLs(js)
if err != nil {
errCh <- fmt.Errorf("error: methodREQAclImport failed: %v", err)
return
}
outString := fmt.Sprintf("Imported acl's sent from: %v\n", message.FromNode)
out := []byte(outString)
select {
case outCh <- out:
case <-ctx.Done():
return
}
}()
select {
case err := <-errCh:
proc.errorKernel.errSend(proc, message, err)
case <-ctx.Done():
cancel()
er := fmt.Errorf("error: methodREQAclImport: method timed out")
proc.errorKernel.errSend(proc, message, er)
case out := <-outCh:
// Prepare and queue for sending a new message with the output
// of the action executed.
newReplyMessage(proc, message, out)
}
}()
ackMsg := []byte("confirmed from: " + node + ": " + fmt.Sprint(message.ID))
return ackMsg, nil
}