DNS: add IsErrQueryNotFound function for easier error evaluation
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c594dfa1e6
commit
dbf3c05fa5
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@ -1,7 +1,6 @@
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package consul
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import (
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"errors"
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"fmt"
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"strings"
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"time"
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@ -16,11 +15,6 @@ import (
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"github.com/hashicorp/go-uuid"
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)
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var (
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// ErrQueryNotFound is returned if the query lookup failed.
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ErrQueryNotFound = errors.New("Query not found")
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)
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// PreparedQuery manages the prepared query endpoint.
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type PreparedQuery struct {
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srv *Server
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@ -228,7 +222,7 @@ func (p *PreparedQuery) Get(args *structs.PreparedQuerySpecificRequest,
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return err
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}
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if query == nil {
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return ErrQueryNotFound
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return structs.ErrQueryNotFound
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}
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// If no prefix ACL applies to this query, then they are
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@ -303,7 +297,7 @@ func (p *PreparedQuery) Explain(args *structs.PreparedQueryExecuteRequest,
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return err
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}
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if query == nil {
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return ErrQueryNotFound
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return structs.ErrQueryNotFound
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}
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// Place the query into a list so we can run the standard ACL filter on
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@ -350,7 +344,7 @@ func (p *PreparedQuery) Execute(args *structs.PreparedQueryExecuteRequest,
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return err
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}
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if query == nil {
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return ErrQueryNotFound
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return structs.ErrQueryNotFound
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}
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// Execute the query for the local DC.
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@ -175,7 +175,7 @@ func TestPreparedQuery_Apply(t *testing.T) {
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}
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var resp structs.IndexedPreparedQueries
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if err = msgpackrpc.CallWithCodec(codec, "PreparedQuery.Get", req, &resp); err != nil {
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if err.Error() != ErrQueryNotFound.Error() {
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if !structs.IsErrQueryNotFound(err) {
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t.Fatalf("err: %v", err)
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}
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}
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@ -317,7 +317,7 @@ func TestPreparedQuery_Apply_ACLDeny(t *testing.T) {
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}
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var resp structs.IndexedPreparedQueries
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if err = msgpackrpc.CallWithCodec(codec, "PreparedQuery.Get", req, &resp); err != nil {
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if err.Error() != ErrQueryNotFound.Error() {
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if !structs.IsErrQueryNotFound(err) {
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t.Fatalf("err: %v", err)
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}
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}
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@ -412,7 +412,7 @@ func TestPreparedQuery_Apply_ACLDeny(t *testing.T) {
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}
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var resp structs.IndexedPreparedQueries
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if err = msgpackrpc.CallWithCodec(codec, "PreparedQuery.Get", req, &resp); err != nil {
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if err.Error() != ErrQueryNotFound.Error() {
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if !structs.IsErrQueryNotFound(err) {
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t.Fatalf("err: %v", err)
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}
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}
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@ -1082,7 +1082,7 @@ func TestPreparedQuery_Get(t *testing.T) {
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}
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var resp structs.IndexedPreparedQueries
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if err := msgpackrpc.CallWithCodec(codec, "PreparedQuery.Get", req, &resp); err != nil {
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if err.Error() != ErrQueryNotFound.Error() {
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if !structs.IsErrQueryNotFound(err) {
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t.Fatalf("err: %v", err)
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}
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}
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@ -1429,7 +1429,7 @@ func TestPreparedQuery_Explain(t *testing.T) {
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}
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var resp structs.IndexedPreparedQueries
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if err := msgpackrpc.CallWithCodec(codec, "PreparedQuery.Explain", req, &resp); err != nil {
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if err.Error() != ErrQueryNotFound.Error() {
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if !structs.IsErrQueryNotFound(err) {
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t.Fatalf("err: %v", err)
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}
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}
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@ -1617,7 +1617,7 @@ func TestPreparedQuery_Execute(t *testing.T) {
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var reply structs.PreparedQueryExecuteResponse
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err := msgpackrpc.CallWithCodec(codec1, "PreparedQuery.Execute", &req, &reply)
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assert.EqualError(t, err, ErrQueryNotFound.Error())
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assert.EqualError(t, err, structs.ErrQueryNotFound.Error())
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assert.Len(t, reply.Nodes, 0)
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})
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@ -16,7 +16,6 @@ import (
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"github.com/coredns/coredns/plugin/pkg/dnsutil"
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cachetype "github.com/hashicorp/consul/agent/cache-types"
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"github.com/hashicorp/consul/agent/config"
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"github.com/hashicorp/consul/agent/consul"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/ipaddr"
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@ -828,8 +827,7 @@ func (d *DNSServer) computeRCode(err error) int {
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if err == nil {
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return dns.RcodeSuccess
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}
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dErr := err.Error()
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if structs.IsErrNoDCPath(err) || dErr == consul.ErrQueryNotFound.Error() {
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if structs.IsErrNoDCPath(err) || structs.IsErrQueryNotFound(err) {
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return dns.RcodeNameError
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}
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return dns.RcodeServerFailure
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@ -7,7 +7,6 @@ import (
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"strings"
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cachetype "github.com/hashicorp/consul/agent/cache-types"
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"github.com/hashicorp/consul/agent/consul"
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"github.com/hashicorp/consul/agent/structs"
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)
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@ -144,7 +143,7 @@ func (s *HTTPServer) preparedQueryExecute(id string, resp http.ResponseWriter, r
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if err := s.agent.RPC("PreparedQuery.Execute", &args, &reply); err != nil {
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// We have to check the string since the RPC sheds
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// the specific error type.
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if err.Error() == consul.ErrQueryNotFound.Error() {
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if structs.IsErrQueryNotFound(err) {
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resp.WriteHeader(http.StatusNotFound)
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fmt.Fprint(resp, err.Error())
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return nil, nil
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@ -198,7 +197,7 @@ RETRY_ONCE:
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if err := s.agent.RPC("PreparedQuery.Explain", &args, &reply); err != nil {
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// We have to check the string since the RPC sheds
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// the specific error type.
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if err.Error() == consul.ErrQueryNotFound.Error() {
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if structs.IsErrQueryNotFound(err) {
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resp.WriteHeader(http.StatusNotFound)
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fmt.Fprint(resp, err.Error())
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return nil, nil
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@ -229,7 +228,7 @@ RETRY_ONCE:
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if err := s.agent.RPC("PreparedQuery.Get", &args, &reply); err != nil {
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// We have to check the string since the RPC sheds
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// the specific error type.
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if err.Error() == consul.ErrQueryNotFound.Error() {
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if structs.IsErrQueryNotFound(err) {
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resp.WriteHeader(http.StatusNotFound)
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fmt.Fprint(resp, err.Error())
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return nil, nil
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@ -14,6 +14,7 @@ const (
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errSegmentsNotSupported = "Network segments are not supported in this version of Consul"
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errRPCRateExceeded = "RPC rate limit exceeded"
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errServiceNotFound = "Service not found: "
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errQueryNotFound = "Query not found"
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)
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var (
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@ -24,12 +25,17 @@ var (
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ErrSegmentsNotSupported = errors.New(errSegmentsNotSupported)
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ErrRPCRateExceeded = errors.New(errRPCRateExceeded)
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ErrDCNotAvailable = errors.New(errDCNotAvailable)
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ErrQueryNotFound = errors.New(errQueryNotFound)
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)
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func IsErrNoDCPath(err error) bool {
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return err != nil && strings.Contains(err.Error(), errNoDCPath)
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}
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func IsErrQueryNotFound(err error) bool {
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return err != nil && strings.Contains(err.Error(), errQueryNotFound)
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}
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func IsErrNoLeader(err error) bool {
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return err != nil && strings.Contains(err.Error(), errNoLeader)
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}
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