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Merge pull request #25387 from yongtang/25374-ps-filter-order

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Sort output of `docker ps --filter` with order by creation time
This commit is contained in:
Vincent Demeester 2016-08-05 14:47:10 +02:00 • committed by GitHub
commit 29fef34139
2 changed files with 49 additions and 0 deletions
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15
daemon/list.go
View file

@ -3,6 +3,7 @@ package daemon
import (
"errors"
"fmt"
"sort"
"strconv"
"strings"
@ -86,6 +87,15 @@ type listContext struct {
*types.ContainerListOptions
}
// byContainerCreated is a temporary type used to sort a list of containers by creation time.
type byContainerCreated []*container.Container
func (r byContainerCreated) Len() int { return len(r) }
func (r byContainerCreated) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
func (r byContainerCreated) Less(i, j int) bool {
return r[i].Created.UnixNano() < r[j].Created.UnixNano()
}
// Containers returns the list of containers to show given the user's filtering.
func (daemon *Daemon) Containers(config *types.ContainerListOptions) ([]*types.Container, error) {
return daemon.reduceContainers(config, daemon.transformContainer)
@ -149,6 +159,11 @@ func (daemon *Daemon) filterByNameIDMatches(ctx *listContext) []*container.Conta
for id := range matches {
cntrs = append(cntrs, daemon.containers.Get(id))
}
// Restore sort-order after filtering
// Created gives us nanosec resolution for sorting
sort.Sort(sort.Reverse(byContainerCreated(cntrs)))
return cntrs
}

34
integration-cli/docker_cli_ps_test.go
View file

@ -864,3 +864,37 @@ func (s *DockerSuite) TestPsListContainersFilterNetwork(c *check.C) {
c.Assert(containerOut, checker.Contains, "onbridgenetwork")
}
func (s *DockerSuite) TestPsByOrder(c *check.C) {
name1 := "xyz-abc"
out, err := runSleepingContainer(c, "--name", name1)
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
container1 := strings.TrimSpace(out)
name2 := "xyz-123"
out, err = runSleepingContainer(c, "--name", name2)
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
container2 := strings.TrimSpace(out)
name3 := "789-abc"
out, err = runSleepingContainer(c, "--name", name3)
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
name4 := "789-123"
out, err = runSleepingContainer(c, "--name", name4)
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
// Run multiple time should have the same result
out, err = dockerCmd(c, "ps", "--no-trunc", "-q", "-f", "name=xyz")
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Equals, fmt.Sprintf("%s\n%s", container2, container1))
// Run multiple time should have the same result
out, err = dockerCmd(c, "ps", "--no-trunc", "-q", "-f", "name=xyz")
c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Equals, fmt.Sprintf("%s\n%s", container2, container1))
}