diff options
-rw-r--r-- | libpod/container.go | 25 | ||||
-rw-r--r-- | libpod/runtime.go | 2 | ||||
-rw-r--r-- | libpod/shutdown/handler.go | 6 | ||||
-rw-r--r-- | libpod/stats.go | 2 | ||||
-rw-r--r-- | pkg/api/handlers/compat/containers_create.go | 6 | ||||
-rw-r--r-- | pkg/specgen/generate/oci.go | 2 | ||||
-rw-r--r-- | test/apiv2/25-containersMore.at | 9 | ||||
-rw-r--r-- | test/apiv2/rest_api/test_rest_v2_0_0.py | 2 | ||||
-rw-r--r-- | test/e2e/run_memory_test.go | 6 | ||||
-rw-r--r-- | test/e2e/run_test.go | 2 |
10 files changed, 47 insertions, 15 deletions
diff --git a/libpod/container.go b/libpod/container.go index 4e0687318..96a21736c 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -921,13 +921,33 @@ func (c *Container) CgroupManager() string { return cgroupManager } -// CGroupPath returns a cgroups "path" for a given container. +// CGroupPath returns a cgroups "path" for the given container. +// Note that the container must be running. Otherwise, an error +// is returned. func (c *Container) CGroupPath() (string, error) { + if !c.batched { + c.lock.Lock() + defer c.lock.Unlock() + if err := c.syncContainer(); err != nil { + return "", errors.Wrapf(err, "error updating container %s state", c.ID()) + } + } + return c.cGroupPath() +} + +// cGroupPath returns a cgroups "path" for the given container. +// Note that the container must be running. Otherwise, an error +// is returned. +// NOTE: only call this when owning the container's lock. +func (c *Container) cGroupPath() (string, error) { if c.config.NoCgroups || c.config.CgroupsMode == "disabled" { return "", errors.Wrapf(define.ErrNoCgroups, "this container is not creating cgroups") } + if c.state.State != define.ContainerStateRunning && c.state.State != define.ContainerStatePaused { + return "", errors.Wrapf(define.ErrCtrStopped, "cannot get cgroup path unless container %s is running", c.ID()) + } - // Read /proc/[PID]/cgroup and find the *longest* cgroup entry. That's + // Read /proc/{PID}/cgroup and find the *longest* cgroup entry. That's // needed to account for hacks in cgroups v1, where each line in the // file could potentially point to a cgroup. The longest one, however, // is the libpod-specific one we're looking for. @@ -952,7 +972,6 @@ func (c *Container) CGroupPath() (string, error) { if len(path) > len(cgroupPath) { cgroupPath = path } - } if len(cgroupPath) == 0 { diff --git a/libpod/runtime.go b/libpod/runtime.go index 72bd34a5e..1004e4fa7 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -190,7 +190,7 @@ func newRuntimeFromConfig(ctx context.Context, conf *config.Config, options ...R if err := shutdown.Register("libpod", func(sig os.Signal) error { os.Exit(1) return nil - }); err != nil { + }); err != nil && errors.Cause(err) != shutdown.ErrHandlerExists { logrus.Errorf("Error registering shutdown handler for libpod: %v", err) } diff --git a/libpod/shutdown/handler.go b/libpod/shutdown/handler.go index 87538dec9..f0f228b19 100644 --- a/libpod/shutdown/handler.go +++ b/libpod/shutdown/handler.go @@ -11,6 +11,10 @@ import ( ) var ( + ErrHandlerExists error = errors.New("handler with given name already exists") +) + +var ( stopped bool sigChan chan os.Signal cancelChan chan bool @@ -98,7 +102,7 @@ func Register(name string, handler func(os.Signal) error) error { } if _, ok := handlers[name]; ok { - return errors.Errorf("handler with name %s already exists", name) + return ErrHandlerExists } handlers[name] = handler diff --git a/libpod/stats.go b/libpod/stats.go index e34739626..09d990017 100644 --- a/libpod/stats.go +++ b/libpod/stats.go @@ -34,7 +34,7 @@ func (c *Container) GetContainerStats(previousStats *define.ContainerStats) (*de return stats, define.ErrCtrStateInvalid } - cgroupPath, err := c.CGroupPath() + cgroupPath, err := c.cGroupPath() if err != nil { return nil, err } diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go index 729639928..409a74de2 100644 --- a/pkg/api/handlers/compat/containers_create.go +++ b/pkg/api/handlers/compat/containers_create.go @@ -37,6 +37,9 @@ func CreateContainer(w http.ResponseWriter, r *http.Request) { return } + // Override the container name in the body struct + body.Name = query.Name + if len(body.HostConfig.Links) > 0 { utils.Error(w, utils.ErrLinkNotSupport.Error(), http.StatusBadRequest, errors.Wrapf(utils.ErrLinkNotSupport, "bad parameter")) return @@ -69,9 +72,6 @@ func CreateContainer(w http.ResponseWriter, r *http.Request) { return } - // Override the container name in the body struct - body.Name = query.Name - ic := abi.ContainerEngine{Libpod: runtime} report, err := ic.ContainerCreate(r.Context(), sg) if err != nil { diff --git a/pkg/specgen/generate/oci.go b/pkg/specgen/generate/oci.go index 0368ab205..c24dcf4c0 100644 --- a/pkg/specgen/generate/oci.go +++ b/pkg/specgen/generate/oci.go @@ -165,7 +165,7 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt inUserNS = true } } - if inUserNS && s.NetNS.IsHost() { + if inUserNS && s.NetNS.NSMode != specgen.NoNetwork { canMountSys = false } diff --git a/test/apiv2/25-containersMore.at b/test/apiv2/25-containersMore.at index 4f6b80a5f..9d774ef27 100644 --- a/test/apiv2/25-containersMore.at +++ b/test/apiv2/25-containersMore.at @@ -79,4 +79,13 @@ like "$output" ".*spec:.*" "Check generated kube yaml(service=true) - spec" like "$output" ".*kind:\\sService.*" "Check generated kube yaml(service=true) - kind: Service" t DELETE libpod/containers/$cid 204 + +# Create 3 stopped containers to test containers prune +podman run $IMAGE true +podman run $IMAGE true +podman run $IMAGE true + +t POST libpod/containers/prune '' 200 +t GET libpod/containers/json 200 \ + length=0 # vim: filetype=sh diff --git a/test/apiv2/rest_api/test_rest_v2_0_0.py b/test/apiv2/rest_api/test_rest_v2_0_0.py index d8d214e33..2f9e62149 100644 --- a/test/apiv2/rest_api/test_rest_v2_0_0.py +++ b/test/apiv2/rest_api/test_rest_v2_0_0.py @@ -181,7 +181,7 @@ class TestApi(unittest.TestCase): self.assertEqual(net_default.status_code, 201, net_default.text) create = requests.post( - PODMAN_URL + "/v1.40/containers/create?name=postCreate", + PODMAN_URL + "/v1.40/containers/create?name=postCreateConnect", json={ "Cmd": ["top"], "Image": "alpine:latest", diff --git a/test/e2e/run_memory_test.go b/test/e2e/run_memory_test.go index b3913c1e6..ad3a2b54f 100644 --- a/test/e2e/run_memory_test.go +++ b/test/e2e/run_memory_test.go @@ -38,7 +38,7 @@ var _ = Describe("Podman run memory", func() { var session *PodmanSessionIntegration if CGROUPSV2 { - session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"}) + session = podmanTest.Podman([]string{"run", "--memory=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.max"}) } else { session = podmanTest.Podman([]string{"run", "--memory=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"}) } @@ -55,7 +55,7 @@ var _ = Describe("Podman run memory", func() { var session *PodmanSessionIntegration if CGROUPSV2 { - session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"}) + session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", "--net=none", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"}) } else { session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"}) } @@ -81,7 +81,7 @@ var _ = Describe("Podman run memory", func() { var session *PodmanSessionIntegration if CGROUPSV2 { - session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"}) + session = podmanTest.Podman([]string{"run", "--net=none", "--memory-reservation=40m", ALPINE, "sh", "-c", "cat /sys/fs/cgroup/$(sed -e 's|0::||' < /proc/self/cgroup)/memory.low"}) } else { session = podmanTest.Podman([]string{"run", "--memory-reservation=40m", ALPINE, "cat", "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes"}) } diff --git a/test/e2e/run_test.go b/test/e2e/run_test.go index efc125d2b..58ef9a647 100644 --- a/test/e2e/run_test.go +++ b/test/e2e/run_test.go @@ -1300,7 +1300,7 @@ USER mail` It("podman run verify pids-limit", func() { SkipIfCgroupV1("pids-limit not supported on cgroup V1") limit := "4321" - session := podmanTest.Podman([]string{"run", "--pids-limit", limit, "--rm", ALPINE, "cat", "/sys/fs/cgroup/pids.max"}) + session := podmanTest.Podman([]string{"run", "--pids-limit", limit, "--net=none", "--rm", ALPINE, "cat", "/sys/fs/cgroup/pids.max"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(ContainSubstring(limit)) |