minio/cmd/endpoint-ellipses_test.go
Harshavardhana a20d4568a2
fix: make sure to use uniform drive count calculation (#10208)
It is possible in situations when server was deployed
in asymmetric configuration in the past such as

```
minio server ~/fs{1...4}/disk{1...5}
```

Results in setDriveCount of 10 in older releases
but with fairly recent releases we have moved to
having server affinity which means that a set drive
count ascertained from above config will be now '4'

While the object layer make sure that we honor
`format.json` the storageClass configuration however
was by mistake was using the global value obtained
by heuristics. Which leads to prematurely using
lower parity without being requested by the an
administrator.

This PR fixes this behavior.
2020-08-05 13:31:12 -07:00

646 lines
15 KiB
Go

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"fmt"
"reflect"
"testing"
"github.com/minio/minio/pkg/ellipses"
)
// Tests create endpoints with ellipses and without.
func TestCreateServerEndpoints(t *testing.T) {
testCases := []struct {
serverAddr string
args []string
success bool
}{
// Invalid input.
{"", []string{}, false},
// Range cannot be negative.
{":9000", []string{"/export1{-1...1}"}, false},
// Range cannot start bigger than end.
{":9000", []string{"/export1{64...1}"}, false},
// Range can only be numeric.
{":9000", []string{"/export1{a...z}"}, false},
// Duplicate disks not allowed.
{":9000", []string{"/export1{1...32}", "/export1{1...32}"}, false},
// Same host cannot export same disk on two ports - special case localhost.
{":9001", []string{"http://localhost:900{1...2}/export{1...64}"}, false},
// Valid inputs.
{":9000", []string{"/export1"}, true},
{":9000", []string{"/export1", "/export2", "/export3", "/export4"}, true},
{":9000", []string{"/export1{1...64}"}, true},
{":9000", []string{"/export1{01...64}"}, true},
{":9000", []string{"/export1{1...32}", "/export1{33...64}"}, true},
{":9001", []string{"http://localhost:9001/export{1...64}"}, true},
{":9001", []string{"http://localhost:9001/export{01...64}"}, true},
}
for _, testCase := range testCases {
testCase := testCase
t.Run("", func(t *testing.T) {
_, _, err := createServerEndpoints(testCase.serverAddr, testCase.args...)
if err != nil && testCase.success {
t.Errorf("Expected success but failed instead %s", err)
}
if err == nil && !testCase.success {
t.Errorf("Expected failure but passed instead")
}
})
}
}
func TestGetDivisibleSize(t *testing.T) {
testCases := []struct {
totalSizes []uint64
result uint64
}{{[]uint64{24, 32, 16}, 8},
{[]uint64{32, 8, 4}, 4},
{[]uint64{8, 8, 8}, 8},
{[]uint64{24}, 24},
}
for _, testCase := range testCases {
testCase := testCase
t.Run("", func(t *testing.T) {
gotGCD := getDivisibleSize(testCase.totalSizes)
if testCase.result != gotGCD {
t.Errorf("Expected %v, got %v", testCase.result, gotGCD)
}
})
}
}
// Test tests calculating set indexes with ENV override for drive count.
func TestGetSetIndexesEnvOverride(t *testing.T) {
testCases := []struct {
args []string
totalSizes []uint64
indexes [][]uint64
envOverride uint64
success bool
}{
{
[]string{"data{1...64}"},
[]uint64{64},
[][]uint64{{8, 8, 8, 8, 8, 8, 8, 8}},
8,
true,
},
{
[]string{"http://host{1...2}/data{1...180}"},
[]uint64{360},
[][]uint64{{15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15}},
15,
true,
},
{
[]string{"http://host{1...12}/data{1...12}"},
[]uint64{144},
[][]uint64{{12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12}},
12,
true,
},
{
[]string{"http://host{0...5}/data{1...28}"},
[]uint64{168},
[][]uint64{{12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12}},
12,
true,
},
// Incorrect custom set drive count.
{
[]string{"http://host{0...5}/data{1...28}"},
[]uint64{168},
nil,
10,
false,
},
// Failure not divisible number of disks.
{
[]string{"http://host{1...11}/data{1...11}"},
[]uint64{121},
[][]uint64{{11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11}},
11,
true,
},
{
[]string{"data{1...60}"},
nil,
nil,
8,
false,
},
{
[]string{"data{1...64}"},
nil,
nil,
64,
false,
},
{
[]string{"data{1...64}"},
nil,
nil,
2,
false,
},
}
for _, testCase := range testCases {
testCase := testCase
t.Run("", func(t *testing.T) {
var argPatterns = make([]ellipses.ArgPattern, len(testCase.args))
for i, arg := range testCase.args {
patterns, err := ellipses.FindEllipsesPatterns(arg)
if err != nil {
t.Fatalf("Unexpected failure %s", err)
}
argPatterns[i] = patterns
}
gotIndexes, err := getSetIndexes(testCase.args, testCase.totalSizes, testCase.envOverride, argPatterns)
if err != nil && testCase.success {
t.Errorf("Expected success but failed instead %s", err)
}
if err == nil && !testCase.success {
t.Errorf("Expected failure but passed instead")
}
if !reflect.DeepEqual(testCase.indexes, gotIndexes) {
t.Errorf("Expected %v, got %v", testCase.indexes, gotIndexes)
}
})
}
}
// Test tests calculating set indexes.
func TestGetSetIndexes(t *testing.T) {
testCases := []struct {
args []string
totalSizes []uint64
indexes [][]uint64
success bool
}{
// Invalid inputs.
{
[]string{"data{1...3}"},
[]uint64{3},
nil,
false,
},
{
[]string{"data/controller1/export{1...2}, data/controller2/export{1...4}, data/controller3/export{1...8}"},
[]uint64{2, 4, 8},
nil,
false,
},
{
[]string{"data{1...17}/export{1...52}"},
[]uint64{14144},
nil,
false,
},
// Valid inputs.
{
[]string{"data{1...27}"},
[]uint64{27},
[][]uint64{{9, 9, 9}},
true,
},
{
[]string{"http://host{1...3}/data{1...180}"},
[]uint64{540},
[][]uint64{{15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15}},
true,
},
{
[]string{"http://host{1...2}.rack{1...4}/data{1...180}"},
[]uint64{1440},
[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16}},
true,
},
{
[]string{"http://host{1...2}/data{1...180}"},
[]uint64{360},
[][]uint64{{12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12}},
true,
},
{
[]string{"data/controller1/export{1...4}, data/controller2/export{1...8}, data/controller3/export{1...12}"},
[]uint64{4, 8, 12},
[][]uint64{{4}, {4, 4}, {4, 4, 4}},
true,
},
{
[]string{"data{1...64}"},
[]uint64{64},
[][]uint64{{16, 16, 16, 16}},
true,
},
{
[]string{"data{1...24}"},
[]uint64{24},
[][]uint64{{12, 12}},
true,
},
{
[]string{"data/controller{1...11}/export{1...8}"},
[]uint64{88},
[][]uint64{{11, 11, 11, 11, 11, 11, 11, 11}},
true,
},
{
[]string{"data{1...4}"},
[]uint64{4},
[][]uint64{{4}},
true,
},
{
[]string{"data/controller1/export{1...10}, data/controller2/export{1...10}, data/controller3/export{1...10}"},
[]uint64{10, 10, 10},
[][]uint64{{10}, {10}, {10}},
true,
},
{
[]string{"data{1...16}/export{1...52}"},
[]uint64{832},
[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16}},
true,
},
}
for _, testCase := range testCases {
testCase := testCase
t.Run("", func(t *testing.T) {
var argPatterns = make([]ellipses.ArgPattern, len(testCase.args))
for i, arg := range testCase.args {
patterns, err := ellipses.FindEllipsesPatterns(arg)
if err != nil {
t.Fatalf("Unexpected failure %s", err)
}
argPatterns[i] = patterns
}
gotIndexes, err := getSetIndexes(testCase.args, testCase.totalSizes, 0, argPatterns)
if err != nil && testCase.success {
t.Errorf("Expected success but failed instead %s", err)
}
if err == nil && !testCase.success {
t.Errorf("Expected failure but passed instead")
}
if !reflect.DeepEqual(testCase.indexes, gotIndexes) {
t.Errorf("Expected %v, got %v", testCase.indexes, gotIndexes)
}
})
}
}
func getHexSequences(start int, number int, paddinglen int) (seq []string) {
for i := start; i <= number; i++ {
if paddinglen == 0 {
seq = append(seq, fmt.Sprintf("%x", i))
} else {
seq = append(seq, fmt.Sprintf(fmt.Sprintf("%%0%dx", paddinglen), i))
}
}
return seq
}
func getSequences(start int, number int, paddinglen int) (seq []string) {
for i := start; i <= number; i++ {
if paddinglen == 0 {
seq = append(seq, fmt.Sprintf("%d", i))
} else {
seq = append(seq, fmt.Sprintf(fmt.Sprintf("%%0%dd", paddinglen), i))
}
}
return seq
}
// Test tests parses endpoint ellipses input pattern.
func TestParseEndpointSet(t *testing.T) {
testCases := []struct {
arg string
es endpointSet
success bool
}{
// Tests invalid inputs.
{
"...",
endpointSet{},
false,
},
// No range specified.
{
"{...}",
endpointSet{},
false,
},
// Invalid range.
{
"http://minio{2...3}/export/set{1...0}",
endpointSet{},
false,
},
// Range cannot be smaller than 4 minimum.
{
"/export{1..2}",
endpointSet{},
false,
},
// Unsupported characters.
{
"/export/test{1...2O}",
endpointSet{},
false,
},
// Tests valid inputs.
{
"{1...27}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 27, 0),
},
},
},
nil,
[][]uint64{{9, 9, 9}},
},
true,
},
{
"/export/set{1...64}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "/export/set",
Suffix: "",
Seq: getSequences(1, 64, 0),
},
},
},
nil,
[][]uint64{{16, 16, 16, 16}},
},
true,
},
// Valid input for distributed setup.
{
"http://minio{2...3}/export/set{1...64}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 64, 0),
},
{
Prefix: "http://minio",
Suffix: "/export/set",
Seq: getSequences(2, 3, 0),
},
},
},
nil,
[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16}},
},
true,
},
// Supporting some advanced cases.
{
"http://minio{1...64}.mydomain.net/data",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "http://minio",
Suffix: ".mydomain.net/data",
Seq: getSequences(1, 64, 0),
},
},
},
nil,
[][]uint64{{16, 16, 16, 16}},
},
true,
},
{
"http://rack{1...4}.mydomain.minio{1...16}/data",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "/data",
Seq: getSequences(1, 16, 0),
},
{
Prefix: "http://rack",
Suffix: ".mydomain.minio",
Seq: getSequences(1, 4, 0),
},
},
},
nil,
[][]uint64{{16, 16, 16, 16}},
},
true,
},
// Supporting kubernetes cases.
{
"http://minio{0...15}.mydomain.net/data{0...1}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(0, 1, 0),
},
{
Prefix: "http://minio",
Suffix: ".mydomain.net/data",
Seq: getSequences(0, 15, 0),
},
},
},
nil,
[][]uint64{{16, 16}},
},
true,
},
// No host regex, just disks.
{
"http://server1/data{1...32}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "http://server1/data",
Suffix: "",
Seq: getSequences(1, 32, 0),
},
},
},
nil,
[][]uint64{{16, 16}},
},
true,
},
// No host regex, just disks with two position numerics.
{
"http://server1/data{01...32}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "http://server1/data",
Suffix: "",
Seq: getSequences(1, 32, 2),
},
},
},
nil,
[][]uint64{{16, 16}},
},
true,
},
// More than 2 ellipses are supported as well.
{
"http://minio{2...3}/export/set{1...64}/test{1...2}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 2, 0),
},
{
Prefix: "",
Suffix: "/test",
Seq: getSequences(1, 64, 0),
},
{
Prefix: "http://minio",
Suffix: "/export/set",
Seq: getSequences(2, 3, 0),
},
},
},
nil,
[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16}},
},
true,
},
// More than 1 ellipses per argument for standalone setup.
{
"/export{1...10}/disk{1...10}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 10, 0),
},
{
Prefix: "/export",
Suffix: "/disk",
Seq: getSequences(1, 10, 0),
},
},
},
nil,
[][]uint64{{10, 10, 10, 10, 10, 10, 10, 10, 10, 10}},
},
true,
},
// IPv6 ellipses with hexadecimal expansion
{
"http://[2001:3984:3989::{1...a}]/disk{1...10}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 10, 0),
},
{
Prefix: "http://[2001:3984:3989::",
Suffix: "]/disk",
Seq: getHexSequences(1, 10, 0),
},
},
},
nil,
[][]uint64{{10, 10, 10, 10, 10, 10, 10, 10, 10, 10}},
},
true,
},
// IPv6 ellipses with hexadecimal expansion with 3 position numerics.
{
"http://[2001:3984:3989::{001...00a}]/disk{1...10}",
endpointSet{
[]ellipses.ArgPattern{
[]ellipses.Pattern{
{
Prefix: "",
Suffix: "",
Seq: getSequences(1, 10, 0),
},
{
Prefix: "http://[2001:3984:3989::",
Suffix: "]/disk",
Seq: getHexSequences(1, 10, 3),
},
},
},
nil,
[][]uint64{{10, 10, 10, 10, 10, 10, 10, 10, 10, 10}},
},
true,
},
}
for _, testCase := range testCases {
testCase := testCase
t.Run("", func(t *testing.T) {
gotEs, err := parseEndpointSet(0, testCase.arg)
if err != nil && testCase.success {
t.Errorf("Expected success but failed instead %s", err)
}
if err == nil && !testCase.success {
t.Errorf("Expected failure but passed instead")
}
if !reflect.DeepEqual(testCase.es, gotEs) {
t.Errorf("Expected %v, got %v", testCase.es, gotEs)
}
})
}
}