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|
//go:build linux || freebsd
package integration
import (
. "github.com/containers/podman/v5/test/utils"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
"go.podman.io/common/pkg/cgroupv2"
"go.podman.io/storage/pkg/fileutils"
)
var _ = Describe("Podman update", func() {
It("podman update container all options v1", func() {
SkipIfCgroupV2("testing flags that only work in cgroup v1")
SkipIfRootless("many of these handlers are not enabled while rootless in CI")
session := podmanTest.Podman([]string{"run", "-dt", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID := session.OutputToString()
commonArgs := []string{
"update",
"--cpus", "5",
"--cpuset-cpus", "0",
"--cpu-shares", "123",
"--cpuset-mems", "0",
"--memory", "1G",
"--memory-swap", "2G",
"--memory-reservation", "2G",
"--memory-swappiness", "50",
"--pids-limit", "123", ctrID}
session = podmanTest.Podman(commonArgs)
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// checking cpu quota from --cpus
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/cpu/cpu.cfs_quota_us", "500000")
// checking cpuset-cpus
podmanTest.CheckFileInContainer(ctrID, "/sys/fs/cgroup/cpuset/cpuset.cpus", "0")
// checking cpuset-mems
podmanTest.CheckFileInContainer(ctrID, "/sys/fs/cgroup/cpuset/cpuset.mems", "0")
// checking memory limit
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/memory/memory.limit_in_bytes", "1073741824")
// checking memory-swap
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes", "2147483648")
// checking cpu-shares
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/cpu/cpu.shares", "123")
// checking pids-limit
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/pids/pids.max", "123")
})
It("podman update container unspecified pid limit", func() {
SkipIfCgroupV1("testing flags that only work in cgroup v2")
SkipIfRootless("many of these handlers are not enabled while rootless in CI")
session := podmanTest.Podman([]string{"run", "-dt", "--pids-limit", "-1", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID := session.OutputToString()
commonArgs := []string{
"update",
"--cpus", "5",
ctrID}
session = podmanTest.Podman(commonArgs)
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID = session.OutputToString()
// checking pids-limit was not changed after update when not specified as an option
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/pids.max", "max")
})
It("podman update container all options v2", func() {
SkipIfCgroupV1("testing flags that only work in cgroup v2")
SkipIfRootless("many of these handlers are not enabled while rootless in CI")
skipWithoutDevNullb0()
session := podmanTest.Podman([]string{"run", "-dt", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID := session.OutputToString()
commonArgs := []string{
"update",
"--cpus", "5",
"--cpuset-cpus", "0",
"--cpu-shares", "123",
"--cpuset-mems", "0",
"--memory", "1G",
"--memory-swap", "2G",
"--memory-reservation", "2G",
"--blkio-weight", "123",
"--device-read-bps", "/dev/nullb0:10mb",
"--device-write-bps", "/dev/nullb0:10mb",
"--device-read-iops", "/dev/nullb0:1000",
"--device-write-iops", "/dev/nullb0:1000",
"--pids-limit", "123",
ctrID}
session = podmanTest.Podman(commonArgs)
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID = session.OutputToString()
// checking cpu quota and period
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/cpu.max", "500000")
// checking blkio weight (as of 2024-05 this file does not exist on Debian 13)
if err := fileutils.Exists("/sys/fs/cgroup/system.slice/io.bfq.weight"); err == nil {
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/io.bfq.weight", "123")
}
// checking device-read/write-bps/iops
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/io.max", "rbps=10485760 wbps=10485760 riops=1000 wiops=1000")
// checking cpuset-cpus
podmanTest.CheckFileInContainer(ctrID, "/sys/fs/cgroup/cpuset.cpus", "0")
// checking cpuset-mems
podmanTest.CheckFileInContainer(ctrID, "/sys/fs/cgroup/cpuset.mems", "0")
// checking memory limit
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/memory.max", "1073741824")
// checking memory-swap
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/memory.swap.max", "1073741824")
// checking cpu-shares
exec := podmanTest.PodmanExitCleanly("exec", ctrID, "cat", "/sys/fs/cgroup/cpu.weight")
Expect(exec.OutputToString()).To(Or(ContainSubstring("5"), ContainSubstring("20")))
// checking pids-limit
podmanTest.CheckFileInContainerSubstring(ctrID, "/sys/fs/cgroup/pids.max", "123")
})
It("podman update keep original resources if not overridden", func() {
SkipIfRootless("many of these handlers are not enabled while rootless in CI")
session := podmanTest.Podman([]string{"run", "-dt", "--cpus", "5", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{
"update",
"--memory", "1G",
session.OutputToString(),
})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
ctrID := session.OutputToString()
path := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"
if v2, _ := cgroupv2.Enabled(); v2 {
path = "/sys/fs/cgroup/cpu.max"
}
podmanTest.CheckFileInContainerSubstring(ctrID, path, "500000")
})
It("podman update persists changes", func() {
SkipIfCgroupV1("testing flags that only work in cgroup v2")
SkipIfRootless("many of these handlers are not enabled while rootless in CI")
memoryInspect := ".HostConfig.Memory"
memoryCgroup := "/sys/fs/cgroup/memory.max"
mem512m := "536870912"
mem256m := "268435456"
testCtr := "test-ctr-name"
ctr1 := podmanTest.Podman([]string{"run", "-d", "--name", testCtr, "-m", "512m", ALPINE, "top"})
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, memoryInspect, mem512m)
podmanTest.CheckFileInContainer(testCtr, memoryCgroup, mem512m)
update := podmanTest.Podman([]string{"update", "-m", "256m", testCtr})
update.WaitWithDefaultTimeout()
Expect(update).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, memoryInspect, mem256m)
podmanTest.CheckFileInContainer(testCtr, memoryCgroup, mem256m)
restart := podmanTest.Podman([]string{"restart", testCtr})
restart.WaitWithDefaultTimeout()
Expect(restart).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, memoryInspect, mem256m)
podmanTest.CheckFileInContainer(testCtr, memoryCgroup, mem256m)
pause := podmanTest.Podman([]string{"pause", testCtr})
pause.WaitWithDefaultTimeout()
Expect(pause).Should(ExitCleanly())
update2 := podmanTest.Podman([]string{"update", "-m", "512m", testCtr})
update2.WaitWithDefaultTimeout()
Expect(update2).Should(ExitCleanly())
unpause := podmanTest.Podman([]string{"unpause", testCtr})
unpause.WaitWithDefaultTimeout()
Expect(unpause).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, memoryInspect, mem512m)
podmanTest.CheckFileInContainer(testCtr, memoryCgroup, mem512m)
})
It("podman update sets restart policy", func() {
restartPolicyName := ".HostConfig.RestartPolicy.Name"
restartPolicyRetries := ".HostConfig.RestartPolicy.MaximumRetryCount"
testCtr := "test-ctr-name"
ctr1 := podmanTest.Podman([]string{"run", "-dt", "--name", testCtr, ALPINE, "top"})
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, restartPolicyName, "no")
podmanTest.CheckContainerSingleField(testCtr, restartPolicyRetries, "0")
update1 := podmanTest.Podman([]string{"update", "--restart", "on-failure:5", testCtr})
update1.WaitWithDefaultTimeout()
Expect(update1).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, restartPolicyName, "on-failure")
podmanTest.CheckContainerSingleField(testCtr, restartPolicyRetries, "5")
update2 := podmanTest.Podman([]string{"update", "--restart", "always", testCtr})
update2.WaitWithDefaultTimeout()
Expect(update2).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(testCtr, restartPolicyName, "always")
podmanTest.CheckContainerSingleField(testCtr, restartPolicyRetries, "0")
})
It("podman update sets/unsets environment variables", func() {
testCtr := "test-ctr-name"
// Test that the variable is not set.
ctr1 := podmanTest.Podman([]string{"run", "--name", testCtr, ALPINE, "printenv", "FOO"})
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(Exit(1))
// Test that variable can be set and existing variables are not overridden.
update := podmanTest.Podman([]string{"update", "--env", "FOO=BAR", testCtr})
update.WaitWithDefaultTimeout()
Expect(update).Should(ExitCleanly())
session := podmanTest.Podman([]string{"start", "--attach", testCtr})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
env := session.OutputToString()
Expect(env).To(Equal("BAR"))
session = podmanTest.Podman([]string{"inspect", testCtr, "--format", "{{.Config.Env}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
env = session.OutputToString()
Expect(env).To(ContainSubstring("FOO=BAR"))
Expect(env).To(ContainSubstring("PATH="))
// Test that variable can be updated.
update = podmanTest.Podman([]string{"update", "--env", "FOO=RAB", testCtr})
update.WaitWithDefaultTimeout()
Expect(update).Should(ExitCleanly())
session = podmanTest.Podman([]string{"start", "--attach", testCtr})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
env = session.OutputToString()
Expect(env).To(Equal("RAB"))
session = podmanTest.Podman([]string{"inspect", testCtr, "--format", "{{.Config.Env}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
env = session.OutputToString()
Expect(env).To(ContainSubstring("FOO=RAB"))
Expect(env).To(ContainSubstring("PATH="))
// Test that variable can be unset.
update = podmanTest.Podman([]string{"update", "--unsetenv", "FOO", testCtr})
update.WaitWithDefaultTimeout()
Expect(update).Should(ExitCleanly())
session = podmanTest.Podman([]string{"start", "--attach", testCtr})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(1))
session = podmanTest.Podman([]string{"inspect", testCtr, "--format", "{{.Config.Env}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
env = session.OutputToString()
Expect(env).ToNot(ContainSubstring("FOO"))
Expect(env).To(ContainSubstring("PATH="))
})
It("podman update the latest container", func() {
SkipIfRemote("--latest is local-only")
restartPolicyName := ".HostConfig.RestartPolicy.Name"
restartPolicyRetries := ".HostConfig.RestartPolicy.MaximumRetryCount"
// Arrange an old container
oldContainerName := "old-container"
oldContainer := podmanTest.Podman([]string{"run", "-d", "--name", oldContainerName, ALPINE, "top"})
oldContainer.WaitWithDefaultTimeout()
Expect(oldContainer).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(oldContainerName, restartPolicyName, "no")
podmanTest.CheckContainerSingleField(oldContainerName, restartPolicyRetries, "0")
// Arrange a new container
newContainerName := "new-container"
newContainer := podmanTest.Podman([]string{"run", "-d", "--name", newContainerName, ALPINE, "top"})
newContainer.WaitWithDefaultTimeout()
Expect(newContainer).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(newContainerName, restartPolicyName, "no")
podmanTest.CheckContainerSingleField(newContainerName, restartPolicyRetries, "0")
// Test the latest is updated
updatedContainer := podmanTest.Podman([]string{"update", "--restart", "on-failure:5", "--latest"})
updatedContainer.WaitWithDefaultTimeout()
Expect(updatedContainer).Should(ExitCleanly())
podmanTest.CheckContainerSingleField(oldContainerName, restartPolicyName, "no")
podmanTest.CheckContainerSingleField(oldContainerName, restartPolicyRetries, "0")
podmanTest.CheckContainerSingleField(newContainerName, restartPolicyName, "on-failure")
podmanTest.CheckContainerSingleField(newContainerName, restartPolicyRetries, "5")
})
})
|
