oyd
/
minio
6
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity

server: Error out if loopback addr is used for Distributed Erasure (#4105)

Browse Source
master
Bala FA 8 years ago committed by Harshavardhana
parent 6683247080
commit d103d5fb7c
2 changed files with 165 additions and 75 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 60
      cmd/endpoint.go
  2. 180
      cmd/endpoint_test.go

60
cmd/endpoint.go
Unescape View File

@ -305,9 +305,11 @@ func CreateEndpoints(serverAddr string, args ...string) (string, EndpointList, S
hostIPSet, _ := getHostIP4(host)
if IPSet, ok := pathIPMap[endpoint.Path]; ok {
if !IPSet.Intersection(hostIPSet).IsEmpty() {
err = fmt.Errorf("path '%s' can not be served from different address/port", endpoint.Path)
err = fmt.Errorf("path '%s' can not be served by different port on same address", endpoint.Path)
return serverAddr, endpoints, setupType, err
}
pathIPMap[endpoint.Path] = IPSet.Union(hostIPSet)
} else {
pathIPMap[endpoint.Path] = hostIPSet
}
@ -327,21 +329,50 @@ func CreateEndpoints(serverAddr string, args ...string) (string, EndpointList, S
}
}
// If all endpoints are pointing to local host and having same port number, then this is XL setup using URL style endpoints.
if len(endpoints) == localEndpointCount && len(localPortSet) == 1 {
if len(localServerAddrSet) > 1 {
// TODO: Eventhough all endpoints are local, the local host is referred by different IP/name.
// eg '172.0.0.1', 'localhost' and 'mylocalhostname' point to same local host.
//
// In this case, we bind to 0.0.0.0 ie to all interfaces.
// The actual way to do is bind to only IPs in uniqueLocalHosts.
serverAddr = net.JoinHostPort("", serverAddrPort)
// All endpoints are pointing to local host
if len(endpoints) == localEndpointCount {
// If all endpoints have same port number, then this is XL setup using URL style endpoints.
if len(localPortSet) == 1 {
if len(localServerAddrSet) > 1 {
// TODO: Eventhough all endpoints are local, the local host is referred by different IP/name.
// eg '172.0.0.1', 'localhost' and 'mylocalhostname' point to same local host.
//
// In this case, we bind to 0.0.0.0 ie to all interfaces.
// The actual way to do is bind to only IPs in uniqueLocalHosts.
serverAddr = net.JoinHostPort("", serverAddrPort)
}
endpointPaths := endpointPathSet.ToSlice()
endpoints, _ = NewEndpointList(endpointPaths...)
setupType = XLSetupType
return serverAddr, endpoints, setupType, nil
}
endpointPaths := endpointPathSet.ToSlice()
endpoints, _ = NewEndpointList(endpointPaths...)
setupType = XLSetupType
return serverAddr, endpoints, setupType, nil
// Eventhough all endpoints are local, but those endpoints use different ports.
// This means it is DistXL setup.
} else {
// This is DistXL setup.
// Check whether local server address are not 127.x.x.x
for _, localServerAddr := range localServerAddrSet.ToSlice() {
host, _, err := net.SplitHostPort(localServerAddr)
if err != nil {
host = localServerAddr
}
ipList, err := getHostIP4(host)
fatalIf(err, "unexpected error when resolving host '%s'", host)
// Filter ipList by IPs those start with '127.'.
loopBackIPs := ipList.FuncMatch(func(ip string, matchString string) bool {
return strings.HasPrefix(ip, "127.")
}, "")
// If loop back IP is found and ipList contains only loop back IPs, then error out.
if len(loopBackIPs) > 0 && len(loopBackIPs) == len(ipList) {
err = fmt.Errorf("'%s' resolves to loopback address is not allowed for distributed XL", localServerAddr)
return serverAddr, endpoints, setupType, err
}
}
}
// Add missing port in all endpoints.
@ -355,7 +386,6 @@ func CreateEndpoints(serverAddr string, args ...string) (string, EndpointList, S
}
}
// This is DistXL setup.
setupType = DistXLSetupType
return serverAddr, endpoints, setupType, nil
}

180
cmd/endpoint_test.go
Unescape View File

@ -21,6 +21,7 @@ import (
"net/url"
"reflect"
"runtime"
"sort"
"strings"
"testing"
)
@ -143,35 +144,86 @@ func TestNewEndpointList(t *testing.T) {
}
func TestCreateEndpoints(t *testing.T) {
case1u1, _ := url.Parse("http://example.com:10000/d4")
case1u2, _ := url.Parse("http://example.org:10000/d3")
case1u3, _ := url.Parse("http://localhost:10000/d1")
case1u4, _ := url.Parse("http://localhost:10000/d2")
case2u1, _ := url.Parse("http://example.com:10000/d4")
case2u2, _ := url.Parse("http://example.org:10000/d3")
case2u3, _ := url.Parse("http://localhost:10000/d1")
case2u4, _ := url.Parse("http://localhost:9000/d2")
case3u1, _ := url.Parse("http://example.com:80/d3")
case3u2, _ := url.Parse("http://example.net:80/d4")
case3u3, _ := url.Parse("http://example.org:9000/d2")
case3u4, _ := url.Parse("http://localhost:80/d1")
case4u1, _ := url.Parse("http://example.com:9000/d3")
case4u2, _ := url.Parse("http://example.net:9000/d4")
case4u3, _ := url.Parse("http://example.org:9000/d2")
case4u4, _ := url.Parse("http://localhost:9000/d1")
case5u1, _ := url.Parse("http://localhost:9000/d1")
case5u2, _ := url.Parse("http://localhost:9001/d2")
case5u3, _ := url.Parse("http://localhost:9002/d3")
case5u4, _ := url.Parse("http://localhost:9003/d4")
case6u1, _ := url.Parse("http://10.0.0.1:9000/export")
case6u2, _ := url.Parse("http://10.0.0.2:9000/export")
case6u3, _ := url.Parse("http://10.0.0.3:9000/export")
case6u4, _ := url.Parse("http://localhost:9001/export")
// Filter ipList by IPs those do not start with '127.'.
nonLoopBackIPs := localIP4.FuncMatch(func(ip string, matchString string) bool {
return !strings.HasPrefix(ip, "127.")
}, "")
if len(nonLoopBackIPs) == 0 {
t.Fatalf("No non-loop back IP address found for this host")
}
nonLoopBackIP := nonLoopBackIPs.ToSlice()[0]
getExpectedEndpoints := func(args []string, prefix string) ([]*url.URL, []bool) {
var URLs []*url.URL
var localFlags []bool
sort.Strings(args)
for _, arg := range args {
u, _ := url.Parse(arg)
URLs = append(URLs, u)
localFlags = append(localFlags, strings.HasPrefix(arg, prefix))
}
return URLs, localFlags
}
case1Endpoint1 := "http://" + nonLoopBackIP + "/d1"
case1Endpoint2 := "http://" + nonLoopBackIP + "/d2"
args := []string{
"http://" + nonLoopBackIP + ":10000/d1",
"http://" + nonLoopBackIP + ":10000/d2",
"http://example.com:10000/d4",
"http://example.org:10000/d3",
}
case1URLs, case1LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":10000/")
case2Endpoint1 := "http://" + nonLoopBackIP + "/d1"
case2Endpoint2 := "http://" + nonLoopBackIP + ":9000/d2"
args = []string{
"http://" + nonLoopBackIP + ":10000/d1",
"http://" + nonLoopBackIP + ":9000/d2",
"http://example.com:10000/d4",
"http://example.org:10000/d3",
}
case2URLs, case2LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":10000/")
case3Endpoint1 := "http://" + nonLoopBackIP + "/d1"
args = []string{
"http://" + nonLoopBackIP + ":80/d1",
"http://example.com:80/d3",
"http://example.net:80/d4",
"http://example.org:9000/d2",
}
case3URLs, case3LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":80/")
case4Endpoint1 := "http://" + nonLoopBackIP + "/d1"
args = []string{
"http://" + nonLoopBackIP + ":9000/d1",
"http://example.com:9000/d3",
"http://example.net:9000/d4",
"http://example.org:9000/d2",
}
case4URLs, case4LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9000/")
case5Endpoint1 := "http://" + nonLoopBackIP + ":9000/d1"
case5Endpoint2 := "http://" + nonLoopBackIP + ":9001/d2"
case5Endpoint3 := "http://" + nonLoopBackIP + ":9002/d3"
case5Endpoint4 := "http://" + nonLoopBackIP + ":9003/d4"
args = []string{
case5Endpoint1,
case5Endpoint2,
case5Endpoint3,
case5Endpoint4,
}
case5URLs, case5LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9000/")
case6Endpoint := "http://" + nonLoopBackIP + ":9003/d4"
args = []string{
"http://localhost:9000/d1",
"http://localhost:9001/d2",
"http://127.0.0.1:9002/d3",
case6Endpoint,
}
case6URLs, case6LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9003/")
testCases := []struct {
serverAddr string
@ -192,7 +244,7 @@ func TestCreateEndpoints(t *testing.T) {
{"localhost:10000", []string{`.\d1`}, "localhost:10000", EndpointList{Endpoint{URL: &url.URL{Path: `.\d1`}, IsLocal: true}}, FSSetupType, nil},
{":8080", []string{"https://example.org/d1", "https://example.org/d2", "https://example.org/d3", "https://example.org/d4"}, "", EndpointList{}, -1, fmt.Errorf("no endpoint found for this host")},
{":8080", []string{"https://example.org/d1", "https://example.com/d2", "https://example.net:8000/d3", "https://example.edu/d1"}, "", EndpointList{}, -1, fmt.Errorf("no endpoint found for this host")},
{"localhost:9000", []string{"https://127.0.0.1:9000/d1", "https://localhost:9001/d1", "https://example.com/d1", "https://example.com/d2"}, "", EndpointList{}, -1, fmt.Errorf("path '/d1' can not be served from different address/port")},
{"localhost:9000", []string{"https://127.0.0.1:9000/d1", "https://localhost:9001/d1", "https://example.com/d1", "https://example.com/d2"}, "", EndpointList{}, -1, fmt.Errorf("path '/d1' can not be served by different port on same address")},
{"localhost:9000", []string{"https://127.0.0.1:8000/d1", "https://localhost:9001/d2", "https://example.com/d1", "https://example.com/d2"}, "", EndpointList{}, -1, fmt.Errorf("port number in server address must match with one of the port in local endpoints")},
{"localhost:10000", []string{"https://127.0.0.1:8000/d1", "https://localhost:8000/d2", "https://example.com/d1", "https://example.com/d2"}, "", EndpointList{}, -1, fmt.Errorf("server address and local endpoint have different ports")},
@ -218,44 +270,52 @@ func TestCreateEndpoints(t *testing.T) {
Endpoint{URL: &url.URL{Path: "/d3"}, IsLocal: true},
Endpoint{URL: &url.URL{Path: "/d4"}, IsLocal: true},
}, XLSetupType, nil},
{":9001", []string{"http://10.0.0.1:9000/export", "http://10.0.0.2:9000/export", "http://" + nonLoopBackIP + ":9001/export", "http://10.0.0.2:9001/export"}, "", EndpointList{}, -1, fmt.Errorf("path '/export' can not be served by different port on same address")},
{":9000", []string{"http://localhost/d1", "http://localhost/d2", "http://example.org/d3", "http://example.com/d4"}, "", EndpointList{}, -1, fmt.Errorf("'localhost' resolves to loopback address is not allowed for distributed XL")},
// DistXL type
{"127.0.0.1:10000", []string{"http://localhost/d1", "http://localhost/d2", "http://example.org/d3", "http://example.com/d4"}, "127.0.0.1:10000", EndpointList{
Endpoint{URL: case1u1, IsLocal: false},
Endpoint{URL: case1u2, IsLocal: false},
Endpoint{URL: case1u3, IsLocal: true},
Endpoint{URL: case1u4, IsLocal: true},
{"127.0.0.1:10000", []string{case1Endpoint1, case1Endpoint2, "http://example.org/d3", "http://example.com/d4"}, "127.0.0.1:10000", EndpointList{
Endpoint{URL: case1URLs[0], IsLocal: case1LocalFlags[0]},
Endpoint{URL: case1URLs[1], IsLocal: case1LocalFlags[1]},
Endpoint{URL: case1URLs[2], IsLocal: case1LocalFlags[2]},
Endpoint{URL: case1URLs[3], IsLocal: case1LocalFlags[3]},
}, DistXLSetupType, nil},
{"127.0.0.1:10000", []string{"http://localhost/d1", "http://localhost:9000/d2", "http://example.org/d3", "http://example.com/d4"}, "127.0.0.1:10000", EndpointList{
Endpoint{URL: case2u1, IsLocal: false},
Endpoint{URL: case2u2, IsLocal: false},
Endpoint{URL: case2u3, IsLocal: true},
Endpoint{URL: case2u4, IsLocal: false},
{"127.0.0.1:10000", []string{case2Endpoint1, case2Endpoint2, "http://example.org/d3", "http://example.com/d4"}, "127.0.0.1:10000", EndpointList{
Endpoint{URL: case2URLs[0], IsLocal: case2LocalFlags[0]},
Endpoint{URL: case2URLs[1], IsLocal: case2LocalFlags[1]},
Endpoint{URL: case2URLs[2], IsLocal: case2LocalFlags[2]},
Endpoint{URL: case2URLs[3], IsLocal: case2LocalFlags[3]},
}, DistXLSetupType, nil},
{":80", []string{"http://localhost/d1", "http://example.org:9000/d2", "http://example.com/d3", "http://example.net/d4"}, ":80", EndpointList{
Endpoint{URL: case3u1, IsLocal: false},
Endpoint{URL: case3u2, IsLocal: false},
Endpoint{URL: case3u3, IsLocal: false},
Endpoint{URL: case3u4, IsLocal: true},
{":80", []string{case3Endpoint1, "http://example.org:9000/d2", "http://example.com/d3", "http://example.net/d4"}, ":80", EndpointList{
Endpoint{URL: case3URLs[0], IsLocal: case3LocalFlags[0]},
Endpoint{URL: case3URLs[1], IsLocal: case3LocalFlags[1]},
Endpoint{URL: case3URLs[2], IsLocal: case3LocalFlags[2]},
Endpoint{URL: case3URLs[3], IsLocal: case3LocalFlags[3]},
}, DistXLSetupType, nil},
{":9000", []string{"http://localhost/d1", "http://example.org/d2", "http://example.com/d3", "http://example.net/d4"}, ":9000", EndpointList{
Endpoint{URL: case4u1, IsLocal: false},
Endpoint{URL: case4u2, IsLocal: false},
Endpoint{URL: case4u3, IsLocal: false},
Endpoint{URL: case4u4, IsLocal: true},
{":9000", []string{case4Endpoint1, "http://example.org/d2", "http://example.com/d3", "http://example.net/d4"}, ":9000", EndpointList{
Endpoint{URL: case4URLs[0], IsLocal: case4LocalFlags[0]},
Endpoint{URL: case4URLs[1], IsLocal: case4LocalFlags[1]},
Endpoint{URL: case4URLs[2], IsLocal: case4LocalFlags[2]},
Endpoint{URL: case4URLs[3], IsLocal: case4LocalFlags[3]},
}, DistXLSetupType, nil},
{":9000", []string{"http://localhost:9000/d1", "http://localhost:9001/d2", "http://localhost:9002/d3", "http://localhost:9003/d4"}, ":9000", EndpointList{
Endpoint{URL: case5u1, IsLocal: true},
Endpoint{URL: case5u2, IsLocal: false},
Endpoint{URL: case5u3, IsLocal: false},
Endpoint{URL: case5u4, IsLocal: false},
{":9000", []string{case5Endpoint1, case5Endpoint2, case5Endpoint3, case5Endpoint4}, ":9000", EndpointList{
Endpoint{URL: case5URLs[0], IsLocal: case5LocalFlags[0]},
Endpoint{URL: case5URLs[1], IsLocal: case5LocalFlags[1]},
Endpoint{URL: case5URLs[2], IsLocal: case5LocalFlags[2]},
Endpoint{URL: case5URLs[3], IsLocal: case5LocalFlags[3]},
}, DistXLSetupType, nil},
{":9001", []string{"http://10.0.0.1:9000/export", "http://10.0.0.2:9000/export", "http://localhost:9001/export", "http://10.0.0.3:9000/export"}, ":9001", EndpointList{
Endpoint{URL: case6u1, IsLocal: false},
Endpoint{URL: case6u2, IsLocal: false},
Endpoint{URL: case6u3, IsLocal: false},
Endpoint{URL: case6u4, IsLocal: true},
// DistXL Setup using only local host.
{":9003", []string{"http://localhost:9000/d1", "http://localhost:9001/d2", "http://127.0.0.1:9002/d3", case6Endpoint}, ":9003", EndpointList{
Endpoint{URL: case6URLs[0], IsLocal: case6LocalFlags[0]},
Endpoint{URL: case6URLs[1], IsLocal: case6LocalFlags[1]},
Endpoint{URL: case6URLs[2], IsLocal: case6LocalFlags[2]},
Endpoint{URL: case6URLs[3], IsLocal: case6LocalFlags[3]},
}, DistXLSetupType, nil},
}

Write Preview
Loading…
Cancel
Save