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package integration
import (
"encoding/json"
"fmt"
"os"
"sync"
"time"
"github.com/containers/podman/v4/libpod/events"
. "github.com/containers/podman/v4/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman events", func() {
var (
tempdir string
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
var err error
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
// For most, all, of these tests we do not "live" test following a log because it may make a fragile test
// system more complex. Instead we run the "events" and then verify that the events are processed correctly.
// Perhaps a future version of this test would put events in a go func and send output back over a channel
// while events occur.
// These tests are only known to work on Fedora ATM. Other distributions
// will be skipped.
It("podman events", func() {
SkipIfNotFedora()
_, ec, _ := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
result := podmanTest.Podman([]string{"events", "--stream=false"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
})
It("podman events with an event filter", func() {
SkipIfNotFedora()
_, ec, _ := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
result := podmanTest.Podman([]string{"events", "--stream=false", "--filter", "event=start"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(len(result.OutputToStringArray())).To(BeNumerically(">=", 1), "Number of events")
date := time.Now().Format("2006-01-02")
Expect(result.OutputToStringArray()).To(ContainElement(HavePrefix(date)), "event log has correct timestamp")
})
It("podman events with an event filter and container=cid", func() {
_, ec, cid := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
_, ec2, cid2 := podmanTest.RunLsContainer("")
Expect(ec2).To(Equal(0))
time.Sleep(5 * time.Second)
result := podmanTest.Podman([]string{"events", "--stream=false", "--filter", "event=start", "--filter", fmt.Sprintf("container=%s", cid)})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
events := result.OutputToStringArray()
Expect(events).To(HaveLen(1), "number of events")
Expect(events[0]).To(ContainSubstring(cid), "event log includes CID")
Expect(events[0]).To(Not(ContainSubstring(cid2)), "event log does not include second CID")
})
It("podman events with a type and filter container=id", func() {
SkipIfNotFedora()
_, ec, cid := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
result := podmanTest.Podman([]string{"events", "--stream=false", "--filter", "type=pod", "--filter", fmt.Sprintf("container=%s", cid)})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.OutputToStringArray()).To(BeEmpty())
})
It("podman events with a type", func() {
SkipIfNotFedora()
setup := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:foobarpod", ALPINE, "top"})
setup.WaitWithDefaultTimeout()
stop := podmanTest.Podman([]string{"pod", "stop", "foobarpod"})
stop.WaitWithDefaultTimeout()
Expect(stop).Should(Exit(0))
Expect(setup).Should(Exit(0))
result := podmanTest.Podman([]string{"events", "--stream=false", "--filter", "type=pod", "--filter", "pod=foobarpod"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
events := result.OutputToStringArray()
fmt.Println(events)
Expect(len(events)).To(BeNumerically(">=", 2), "Number of events")
Expect(events).To(ContainElement(ContainSubstring(" pod create ")))
Expect(events).To(ContainElement(ContainSubstring(" pod stop ")))
Expect(events).To(ContainElement(ContainSubstring("name=foobarpod")))
})
It("podman events --since", func() {
SkipIfNotFedora()
_, ec, _ := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
result := podmanTest.Podman([]string{"events", "--stream=false", "--since", "1m"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
})
It("podman events --until", func() {
SkipIfNotFedora()
_, ec, _ := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
result := podmanTest.Podman([]string{"events", "--stream=false", "--until", "1h"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
})
It("podman events format", func() {
SkipIfNotFedora()
_, ec, _ := podmanTest.RunLsContainer("")
Expect(ec).To(Equal(0))
test := podmanTest.Podman([]string{"events", "--stream=false", "--format", "json"})
test.WaitWithDefaultTimeout()
Expect(test).To(Exit(0))
jsonArr := test.OutputToStringArray()
Expect(test.OutputToStringArray()).ShouldNot(BeEmpty())
event := events.Event{}
err := json.Unmarshal([]byte(jsonArr[0]), &event)
Expect(err).ToNot(HaveOccurred())
test = podmanTest.Podman([]string{"events", "--stream=false", "--format", "{{json.}}"})
test.WaitWithDefaultTimeout()
Expect(test).To(Exit(0))
jsonArr = test.OutputToStringArray()
Expect(test.OutputToStringArray()).ShouldNot(BeEmpty())
event = events.Event{}
err = json.Unmarshal([]byte(jsonArr[0]), &event)
Expect(err).ToNot(HaveOccurred())
})
It("podman events --until future", func() {
name1 := stringid.GenerateNonCryptoID()
name2 := stringid.GenerateNonCryptoID()
name3 := stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"create", "--name", name1, ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer GinkgoRecover()
defer wg.Done()
// wait 2 seconds to be sure events is running
time.Sleep(time.Second * 2)
session = podmanTest.Podman([]string{"create", "--name", name2, ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"create", "--name", name3, ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
}()
// unix timestamp in 10 seconds
until := time.Now().Add(time.Second * 10).Unix()
result := podmanTest.Podman([]string{"events", "--since", "30s", "--until", fmt.Sprint(until)})
result.Wait(11)
Expect(result).Should(Exit(0))
Expect(result.OutputToString()).To(ContainSubstring(name1))
Expect(result.OutputToString()).To(ContainSubstring(name2))
Expect(result.OutputToString()).To(ContainSubstring(name3))
// string duration in 10 seconds
untilT := time.Now().Add(time.Second * 9)
result = podmanTest.Podman([]string{"events", "--since", "30s", "--until", "10s"})
result.Wait(11)
Expect(result).Should(Exit(0))
tEnd := time.Now()
outDur := tEnd.Sub(untilT)
diff := outDur.Seconds() > 0
Expect(diff).To(Equal(true))
Expect(result.OutputToString()).To(ContainSubstring(name1))
Expect(result.OutputToString()).To(ContainSubstring(name2))
Expect(result.OutputToString()).To(ContainSubstring(name3))
wg.Wait()
})
It("podman events pod creation", func() {
create := podmanTest.Podman([]string{"pod", "create", "--infra=false", "--name", "foobarpod"})
create.WaitWithDefaultTimeout()
Expect(create).Should(Exit(0))
id := create.OutputToString()
result := podmanTest.Podman([]string{"events", "--stream=false", "--filter", "pod=" + id})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.OutputToStringArray()).To(HaveLen(1))
Expect(result.OutputToString()).To(ContainSubstring("create"))
})
})
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