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ceph_test.go
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ceph_test.go
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// Copyright 2021 DigitalOcean
//
// 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:https://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 main
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestParseCrushDiff(t *testing.T) {
for _, tt := range []struct {
name string
crushIn string
items []pgMapping
errMsg string
}{
{
name: "valid case with 2 PGs remapped",
crushIn: `
#osd count first primary c wt wt
osd.0 79 30 30 0.00979614 1
osd.1 84 28 28 0.00979614 1
osd.2 57 20 20 0.00979614 1
osd.3 51 22 22 0.00979614 1
osd.4 50 13 13 0.00979614 1
osd.5 50 18 18 0.00979614 1
osd.6 54 18 18 0.00979614 1
osd.7 52 15 15 0.00979614 1
osd.8 54 13 13 0.00979614 1
in 9
avg 59 stddev 12.2656 (0.207891x) (expected 7.24185 0.122743x))
min osd.4 50
max osd.1 84
size 3 177
osdmaptool: writing epoch 847 to /tmp/tmp5ip_axby/osdmap
osdmaptool /tmp/tmp5ip_axby/osdmap --dump json > /tmp/tmp5ip_axby/osdmap.json
osdmaptool: osdmap file '/tmp/tmp5ip_axby/osdmap'
1.0 [3, 7, 8] -> [3, 7, 2]
2.0 [4, 5, 8] -> [3, 6, 0]
`,
items: []pgMapping{
{
PgID: "1.0",
Mapping: mapping{From: 8, To: 2},
},
{
PgID: "2.0",
Mapping: mapping{From: 4, To: 3},
},
{
PgID: "2.0",
Mapping: mapping{From: 5, To: 6},
},
{
PgID: "2.0",
Mapping: mapping{From: 8, To: 0},
},
},
errMsg: "",
},
{
name: "invalid case with 1 PG with mismatched To set",
crushIn: `
#osd count first primary c wt wt
osd.0 79 30 30 0.00979614 1
osd.1 84 28 28 0.00979614 1
osd.2 57 20 20 0.00979614 1
osd.3 51 22 22 0.00979614 1
osd.4 50 13 13 0.00979614 1
osd.5 50 18 18 0.00979614 1
osd.6 54 18 18 0.00979614 1
osd.7 52 15 15 0.00979614 1
osd.8 54 13 13 0.00979614 1
in 9
avg 59 stddev 12.2656 (0.207891x) (expected 7.24185 0.122743x))
min osd.4 50
max osd.1 84
size 3 177
osdmaptool: writing epoch 847 to /tmp/tmp5ip_axby/osdmap
osdmaptool /tmp/tmp5ip_axby/osdmap --dump json > /tmp/tmp5ip_axby/osdmap.json
osdmaptool: osdmap file '/tmp/tmp5ip_axby/osdmap'
1.0 [3, 7, 8] -> [3, 7, 2]
2.0 [4, 5, 8] -> [3, 6]
`,
items: nil,
errMsg: "could not parse PG mapping entry: invalid PG mapping entry",
},
{
name: "invalid case with 1 PG with mismatched From set",
crushIn: `
#osd count first primary c wt wt
osd.0 79 30 30 0.00979614 1
osd.1 84 28 28 0.00979614 1
osd.2 57 20 20 0.00979614 1
osd.3 51 22 22 0.00979614 1
osd.4 50 13 13 0.00979614 1
osd.5 50 18 18 0.00979614 1
osd.6 54 18 18 0.00979614 1
osd.7 52 15 15 0.00979614 1
osd.8 54 13 13 0.00979614 1
in 9
avg 59 stddev 12.2656 (0.207891x) (expected 7.24185 0.122743x))
min osd.4 50
max osd.1 84
size 3 177
osdmaptool: writing epoch 847 to /tmp/tmp5ip_axby/osdmap
osdmaptool /tmp/tmp5ip_axby/osdmap --dump json > /tmp/tmp5ip_axby/osdmap.json
osdmaptool: osdmap file '/tmp/tmp5ip_axby/osdmap'
1.0 [3, 7, 8] -> [3, 7, 2]
2.0 [4, 5] -> [3, 6, 0]
`,
items: nil,
errMsg: "could not parse PG mapping entry: invalid PG mapping entry",
},
{
name: "invalid case with 1 PG with both mismatched sets",
crushIn: `
#osd count first primary c wt wt
osd.0 79 30 30 0.00979614 1
osd.1 84 28 28 0.00979614 1
osd.2 57 20 20 0.00979614 1
osd.3 51 22 22 0.00979614 1
osd.4 50 13 13 0.00979614 1
osd.5 50 18 18 0.00979614 1
osd.6 54 18 18 0.00979614 1
osd.7 52 15 15 0.00979614 1
osd.8 54 13 13 0.00979614 1
in 9
avg 59 stddev 12.2656 (0.207891x) (expected 7.24185 0.122743x))
min osd.4 50
max osd.1 84
size 3 177
osdmaptool: writing epoch 847 to /tmp/tmp5ip_axby/osdmap
osdmaptool /tmp/tmp5ip_axby/osdmap --dump json > /tmp/tmp5ip_axby/osdmap.json
osdmaptool: osdmap file '/tmp/tmp5ip_axby/osdmap'
1.0 [3, 7, 8] -> [3, 7, 2]
2.0 [4] -> [3, 6, 0]
`,
items: nil,
errMsg: "could not parse PG mapping entry: unequal count between existing and new OSD sets within mapping",
},
} {
t.Run(tt.name, func(t *testing.T) {
runCrushCmp = func(_ string) (string, error) {
return tt.crushIn, nil
}
if tt.errMsg != "" {
defer func() {
msg := recover()
require.NotNil(t, msg)
e, ok := msg.(error)
require.True(t, ok)
require.Contains(t, e.Error(), tt.errMsg)
}()
}
items, err := crushCmp("")
require.Nil(t, err)
require.Equal(t, items, tt.items)
})
}
}