90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// Copyright 2016 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package e2e
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import (
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"encoding/json"
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"fmt"
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"io"
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"os"
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"strings"
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"testing"
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)
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func TestCtlV3Snapshot(t *testing.T) { testCtl(t, snapshotTest) }
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func snapshotTest(cx ctlCtx) {
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var kvs = []kv{{"key", "val1"}, {"key", "val2"}, {"key", "val3"}}
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for i := range kvs {
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if err := ctlV3Put(cx, kvs[i].key, kvs[i].val, ""); err != nil {
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cx.t.Fatal(err)
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}
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}
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fpath := "test.snapshot"
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defer os.RemoveAll(fpath)
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if err := ctlV3SnapshotSave(cx, fpath); err != nil {
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cx.t.Fatalf("snapshotTest ctlV3SnapshotSave error (%v)", err)
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}
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st, err := getSnapshotStatus(cx, fpath)
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if err != nil {
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cx.t.Fatalf("snapshotTest getSnapshotStatus error (%v)", err)
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}
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if st.Revision != 4 {
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cx.t.Fatalf("expected 4, got %d", st.Revision)
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}
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if st.TotalKey < 3 {
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cx.t.Fatalf("expected at least 3, got %d", st.TotalKey)
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}
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}
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func ctlV3SnapshotSave(cx ctlCtx, fpath string) error {
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cmdArgs := append(cx.PrefixArgs(), "snapshot", "save", fpath)
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return spawnWithExpect(cmdArgs, fmt.Sprintf("Snapshot saved at %s", fpath))
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}
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type snapshotStatus struct {
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Hash uint32 `json:"hash"`
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Revision int64 `json:"revision"`
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TotalKey int `json:"totalKey"`
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TotalSize int64 `json:"totalSize"`
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}
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func getSnapshotStatus(cx ctlCtx, fpath string) (snapshotStatus, error) {
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cmdArgs := append(cx.PrefixArgs(), "--write-out", "json", "snapshot", "status", fpath)
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proc, err := spawnCmd(cmdArgs)
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if err != nil {
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return snapshotStatus{}, err
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}
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var txt string
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txt, err = proc.Expect("totalKey")
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if err != nil {
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return snapshotStatus{}, err
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}
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if err = proc.Close(); err != nil {
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return snapshotStatus{}, err
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}
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resp := snapshotStatus{}
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dec := json.NewDecoder(strings.NewReader(txt))
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if err := dec.Decode(&resp); err == io.EOF {
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return snapshotStatus{}, err
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}
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return resp, nil
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}
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