| // Copyright 2017 The etcd Authors |
| // |
| // 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 e2e |
| |
| import ( |
| "fmt" |
| "strings" |
| "time" |
| |
| "github.com/coreos/etcd/pkg/expect" |
| ) |
| |
| func waitReadyExpectProc(exproc *expect.ExpectProcess, readyStrs []string) error { |
| c := 0 |
| matchSet := func(l string) bool { |
| for _, s := range readyStrs { |
| if strings.Contains(l, s) { |
| c++ |
| break |
| } |
| } |
| return c == len(readyStrs) |
| } |
| _, err := exproc.ExpectFunc(matchSet) |
| return err |
| } |
| |
| func spawnWithExpect(args []string, expected string) error { |
| return spawnWithExpects(args, []string{expected}...) |
| } |
| |
| func spawnWithExpects(args []string, xs ...string) error { |
| _, err := spawnWithExpectLines(args, xs...) |
| return err |
| } |
| |
| func spawnWithExpectLines(args []string, xs ...string) ([]string, error) { |
| proc, err := spawnCmd(args) |
| if err != nil { |
| return nil, err |
| } |
| // process until either stdout or stderr contains |
| // the expected string |
| var ( |
| lines []string |
| lineFunc = func(txt string) bool { return true } |
| ) |
| for _, txt := range xs { |
| for { |
| l, lerr := proc.ExpectFunc(lineFunc) |
| if lerr != nil { |
| proc.Close() |
| return nil, fmt.Errorf("%v (expected %q, got %q)", lerr, txt, lines) |
| } |
| lines = append(lines, l) |
| if strings.Contains(l, txt) { |
| break |
| } |
| } |
| } |
| perr := proc.Close() |
| if len(xs) == 0 && proc.LineCount() != noOutputLineCount { // expect no output |
| return nil, fmt.Errorf("unexpected output (got lines %q, line count %d)", lines, proc.LineCount()) |
| } |
| return lines, perr |
| } |
| |
| func closeWithTimeout(p *expect.ExpectProcess, d time.Duration) error { |
| errc := make(chan error, 1) |
| go func() { errc <- p.Close() }() |
| select { |
| case err := <-errc: |
| return err |
| case <-time.After(d): |
| p.Stop() |
| // retry close after stopping to collect SIGQUIT data, if any |
| closeWithTimeout(p, time.Second) |
| } |
| return fmt.Errorf("took longer than %v to Close process %+v", d, p) |
| } |
| |
| func toTLS(s string) string { |
| return strings.Replace(s, "http://", "https://", 1) |
| } |