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-rw-r--r--pkg/adapter/containers.go9
-rw-r--r--pkg/cgroups/blkio.go2
-rw-r--r--pkg/cgroups/cgroups.go52
-rw-r--r--pkg/cgroups/cpu.go17
-rw-r--r--pkg/cgroups/cpuset.go19
-rw-r--r--pkg/cgroups/memory.go2
-rw-r--r--pkg/cgroups/pids.go3
-rw-r--r--pkg/hooks/0.1.0/hook.go2
-rw-r--r--pkg/hooks/1.0.0/when_test.go2
-rw-r--r--pkg/logs/logs.go2
-rw-r--r--pkg/rootless/rootless_linux.go4
-rw-r--r--pkg/sysinfo/sysinfo_test.go2
-rw-r--r--pkg/systemdgen/systemdgen.go28
-rw-r--r--pkg/systemdgen/systemdgen_test.go18
-rw-r--r--pkg/tracing/tracing.go6
-rw-r--r--pkg/trust/trust.go2
16 files changed, 129 insertions, 41 deletions
diff --git a/pkg/adapter/containers.go b/pkg/adapter/containers.go
index 10720886b..0ea89a72c 100644
--- a/pkg/adapter/containers.go
+++ b/pkg/adapter/containers.go
@@ -1058,7 +1058,14 @@ func (r *LocalRuntime) GenerateSystemd(c *cliconfig.GenerateSystemdValues) (stri
if c.Name {
name = ctr.Name()
}
- return systemdgen.CreateSystemdUnitAsString(name, ctr.ID(), c.RestartPolicy, ctr.Config().StaticDir, timeout)
+
+ config := ctr.Config()
+ conmonPidFile := config.ConmonPidFile
+ if conmonPidFile == "" {
+ return "", errors.Errorf("conmon PID file path is empty, try to recreate the container with --conmon-pidfile flag")
+ }
+
+ return systemdgen.CreateSystemdUnitAsString(name, ctr.ID(), c.RestartPolicy, conmonPidFile, timeout)
}
// GetNamespaces returns namespace information about a container for PS
diff --git a/pkg/cgroups/blkio.go b/pkg/cgroups/blkio.go
index ca9107d97..9c2a811d9 100644
--- a/pkg/cgroups/blkio.go
+++ b/pkg/cgroups/blkio.go
@@ -30,7 +30,7 @@ func (c *blkioHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error
// Create the cgroup
func (c *blkioHandler) Create(ctr *CgroupControl) (bool, error) {
if ctr.cgroup2 {
- return false, fmt.Errorf("io create not implemented for cgroup v2")
+ return false, nil
}
return ctr.createCgroupDirectory(Blkio)
}
diff --git a/pkg/cgroups/cgroups.go b/pkg/cgroups/cgroups.go
index d6c19212b..1dad45d7f 100644
--- a/pkg/cgroups/cgroups.go
+++ b/pkg/cgroups/cgroups.go
@@ -149,6 +149,51 @@ func (c *CgroupControl) getCgroupv1Path(name string) string {
return filepath.Join(cgroupRoot, name, c.path)
}
+// createCgroupv2Path creates the cgroupv2 path and enables all the available controllers
+func createCgroupv2Path(path string) (Err error) {
+ content, err := ioutil.ReadFile("/sys/fs/cgroup/cgroup.controllers")
+ if err != nil {
+ return errors.Wrapf(err, "read /sys/fs/cgroup/cgroup.controllers")
+ }
+ if !filepath.HasPrefix(path, "/sys/fs/cgroup") {
+ return fmt.Errorf("invalid cgroup path %s", path)
+ }
+
+ res := ""
+ for i, c := range strings.Split(strings.TrimSpace(string(content)), " ") {
+ if i == 0 {
+ res = fmt.Sprintf("+%s", c)
+ } else {
+ res = res + fmt.Sprintf(" +%s", c)
+ }
+ }
+ resByte := []byte(res)
+
+ current := "/sys/fs"
+ elements := strings.Split(path, "/")
+ for i, e := range elements[3:] {
+ current = filepath.Join(current, e)
+ if i > 0 {
+ if err := os.Mkdir(current, 0755); err != nil {
+ if !os.IsExist(err) {
+ return errors.Wrapf(err, "mkdir %s", path)
+ }
+ } else {
+ // If the directory was created, be sure it is not left around on errors.
+ defer func() {
+ if Err != nil {
+ os.Remove(current)
+ }
+ }()
+ }
+ }
+ if err := ioutil.WriteFile(filepath.Join(current, "cgroup.subtree_control"), resByte, 0755); err != nil {
+ return errors.Wrapf(err, "write %s", filepath.Join(current, "cgroup.subtree_control"))
+ }
+ }
+ return nil
+}
+
// initialize initializes the specified hierarchy
func (c *CgroupControl) initialize() (err error) {
createdSoFar := map[string]controllerHandler{}
@@ -161,6 +206,11 @@ func (c *CgroupControl) initialize() (err error) {
}
}
}()
+ if c.cgroup2 {
+ if err := createCgroupv2Path(filepath.Join(cgroupRoot, c.path)); err != nil {
+ return errors.Wrapf(err, "error creating cgroup path %s", c.path)
+ }
+ }
for name, handler := range handlers {
created, err := handler.Create(c)
if err != nil {
@@ -341,7 +391,7 @@ func (c *CgroupControl) AddPid(pid int) error {
pidString := []byte(fmt.Sprintf("%d\n", pid))
if c.cgroup2 {
- p := filepath.Join(cgroupRoot, c.path, "tasks")
+ p := filepath.Join(cgroupRoot, c.path, "cgroup.procs")
if err := ioutil.WriteFile(p, pidString, 0644); err != nil {
return errors.Wrapf(err, "write %s", p)
}
diff --git a/pkg/cgroups/cpu.go b/pkg/cgroups/cpu.go
index 8640d490e..1c8610cc4 100644
--- a/pkg/cgroups/cpu.go
+++ b/pkg/cgroups/cpu.go
@@ -61,7 +61,7 @@ func (c *cpuHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
// Create the cgroup
func (c *cpuHandler) Create(ctr *CgroupControl) (bool, error) {
if ctr.cgroup2 {
- return false, fmt.Errorf("cpu create not implemented for cgroup v2")
+ return false, nil
}
return ctr.createCgroupDirectory(CPU)
}
@@ -98,15 +98,24 @@ func (c *cpuHandler) Stat(ctr *CgroupControl, m *Metrics) error {
} else {
usage.Total, err = readAcct(ctr, "cpuacct.usage")
if err != nil {
- return err
+ if !os.IsNotExist(errors.Cause(err)) {
+ return err
+ }
+ usage.Total = 0
}
usage.Kernel, err = readAcct(ctr, "cpuacct.usage_sys")
if err != nil {
- return err
+ if !os.IsNotExist(errors.Cause(err)) {
+ return err
+ }
+ usage.Kernel = 0
}
usage.PerCPU, err = readAcctList(ctr, "cpuacct.usage_percpu")
if err != nil {
- return err
+ if !os.IsNotExist(errors.Cause(err)) {
+ return err
+ }
+ usage.PerCPU = nil
}
}
m.CPU = CPUMetrics{Usage: usage}
diff --git a/pkg/cgroups/cpuset.go b/pkg/cgroups/cpuset.go
index 9aef493c9..25d2f7f76 100644
--- a/pkg/cgroups/cpuset.go
+++ b/pkg/cgroups/cpuset.go
@@ -14,19 +14,23 @@ import (
type cpusetHandler struct {
}
-func cpusetCopyFileFromParent(dir, file string) ([]byte, error) {
+func cpusetCopyFileFromParent(dir, file string, cgroupv2 bool) ([]byte, error) {
if dir == cgroupRoot {
return nil, fmt.Errorf("could not find parent to initialize cpuset %s", file)
}
path := filepath.Join(dir, file)
- data, err := ioutil.ReadFile(path)
+ parentPath := path
+ if cgroupv2 {
+ parentPath = fmt.Sprintf("%s.effective", parentPath)
+ }
+ data, err := ioutil.ReadFile(parentPath)
if err != nil {
return nil, errors.Wrapf(err, "open %s", path)
}
if len(strings.Trim(string(data), "\n")) != 0 {
return data, nil
}
- data, err = cpusetCopyFileFromParent(filepath.Dir(dir), file)
+ data, err = cpusetCopyFileFromParent(filepath.Dir(dir), file, cgroupv2)
if err != nil {
return nil, err
}
@@ -36,9 +40,9 @@ func cpusetCopyFileFromParent(dir, file string) ([]byte, error) {
return data, nil
}
-func cpusetCopyFromParent(path string) error {
+func cpusetCopyFromParent(path string, cgroupv2 bool) error {
for _, file := range []string{"cpuset.cpus", "cpuset.mems"} {
- if _, err := cpusetCopyFileFromParent(path, file); err != nil {
+ if _, err := cpusetCopyFileFromParent(path, file, cgroupv2); err != nil {
return err
}
}
@@ -60,14 +64,15 @@ func (c *cpusetHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) erro
// Create the cgroup
func (c *cpusetHandler) Create(ctr *CgroupControl) (bool, error) {
if ctr.cgroup2 {
- return false, fmt.Errorf("cpuset create not implemented for cgroup v2")
+ path := filepath.Join(cgroupRoot, ctr.path)
+ return true, cpusetCopyFromParent(path, true)
}
created, err := ctr.createCgroupDirectory(CPUset)
if !created || err != nil {
return created, err
}
- return true, cpusetCopyFromParent(ctr.getCgroupv1Path(CPUset))
+ return true, cpusetCopyFromParent(ctr.getCgroupv1Path(CPUset), false)
}
// Destroy the cgroup
diff --git a/pkg/cgroups/memory.go b/pkg/cgroups/memory.go
index 0505eac40..80e88d17c 100644
--- a/pkg/cgroups/memory.go
+++ b/pkg/cgroups/memory.go
@@ -26,7 +26,7 @@ func (c *memHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
// Create the cgroup
func (c *memHandler) Create(ctr *CgroupControl) (bool, error) {
if ctr.cgroup2 {
- return false, fmt.Errorf("memory create not implemented for cgroup v2")
+ return false, nil
}
return ctr.createCgroupDirectory(Memory)
}
diff --git a/pkg/cgroups/pids.go b/pkg/cgroups/pids.go
index c90dc1c02..ffbde100d 100644
--- a/pkg/cgroups/pids.go
+++ b/pkg/cgroups/pids.go
@@ -35,9 +35,6 @@ func (c *pidHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
// Create the cgroup
func (c *pidHandler) Create(ctr *CgroupControl) (bool, error) {
- if ctr.cgroup2 {
- return false, fmt.Errorf("pid create not implemented for cgroup v2")
- }
return ctr.createCgroupDirectory(Pids)
}
diff --git a/pkg/hooks/0.1.0/hook.go b/pkg/hooks/0.1.0/hook.go
index ba68b0f10..88a387647 100644
--- a/pkg/hooks/0.1.0/hook.go
+++ b/pkg/hooks/0.1.0/hook.go
@@ -6,7 +6,7 @@ import (
"errors"
"strings"
- hooks "github.com/containers/libpod/pkg/hooks"
+ "github.com/containers/libpod/pkg/hooks"
current "github.com/containers/libpod/pkg/hooks/1.0.0"
rspec "github.com/opencontainers/runtime-spec/specs-go"
)
diff --git a/pkg/hooks/1.0.0/when_test.go b/pkg/hooks/1.0.0/when_test.go
index 7187b297b..a749063ff 100644
--- a/pkg/hooks/1.0.0/when_test.go
+++ b/pkg/hooks/1.0.0/when_test.go
@@ -30,7 +30,7 @@ func TestAlways(t *testing.T) {
for _, always := range []bool{true, false} {
for _, or := range []bool{true, false} {
for _, process := range []*rspec.Process{processStruct, nil} {
- t.Run(fmt.Sprintf("always %t, or %t, has process %t", always, or, (process != nil)), func(t *testing.T) {
+ t.Run(fmt.Sprintf("always %t, or %t, has process %t", always, or, process != nil), func(t *testing.T) {
config.Process = process
when := When{Always: &always, Or: or}
match, err := when.Match(config, map[string]string{}, false)
diff --git a/pkg/logs/logs.go b/pkg/logs/logs.go
index 1f0ede6f0..0f684750e 100644
--- a/pkg/logs/logs.go
+++ b/pkg/logs/logs.go
@@ -135,7 +135,7 @@ func parseCRILog(log []byte, msg *logMessage) error {
}
// Keep this forward compatible.
tags := bytes.Split(log[:idx], tagDelimiter)
- partial := (LogTag(tags[0]) == LogTagPartial)
+ partial := LogTag(tags[0]) == LogTagPartial
// Trim the tailing new line if this is a partial line.
if partial && len(log) > 0 && log[len(log)-1] == '\n' {
log = log[:len(log)-1]
diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go
index f3b9a8fd5..8028a359c 100644
--- a/pkg/rootless/rootless_linux.go
+++ b/pkg/rootless/rootless_linux.go
@@ -215,7 +215,7 @@ func EnableLinger() (string, error) {
// If we have a D-BUS connection, attempt to read the LINGER property from it.
if conn != nil {
- path := dbus.ObjectPath((fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid)))
+ path := dbus.ObjectPath(fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid))
ret, err := conn.Object("org.freedesktop.login1", path).GetProperty("org.freedesktop.login1.User.Linger")
if err == nil && ret.Value().(bool) {
lingerEnabled = true
@@ -265,7 +265,7 @@ func EnableLinger() (string, error) {
// If we have a D-BUS connection, attempt to read the RUNTIME PATH from it.
if conn != nil {
- path := dbus.ObjectPath((fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid)))
+ path := dbus.ObjectPath(fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid))
ret, err := conn.Object("org.freedesktop.login1", path).GetProperty("org.freedesktop.login1.User.RuntimePath")
if err == nil {
return strings.Trim(ret.String(), "\"\n"), nil
diff --git a/pkg/sysinfo/sysinfo_test.go b/pkg/sysinfo/sysinfo_test.go
index b61fbcf54..895828f26 100644
--- a/pkg/sysinfo/sysinfo_test.go
+++ b/pkg/sysinfo/sysinfo_test.go
@@ -20,7 +20,7 @@ func TestIsCpusetListAvailable(t *testing.T) {
for _, c := range cases {
r, err := isCpusetListAvailable(c.provided, c.available)
if (c.err && err == nil) && r != c.res {
- t.Fatalf("Expected pair: %v, %v for %s, %s. Got %v, %v instead", c.res, c.err, c.provided, c.available, (c.err && err == nil), r)
+ t.Fatalf("Expected pair: %v, %v for %s, %s. Got %v, %v instead", c.res, c.err, c.provided, c.available, c.err && err == nil, r)
}
}
}
diff --git a/pkg/systemdgen/systemdgen.go b/pkg/systemdgen/systemdgen.go
index 3d1c31b5d..06c5ebde5 100644
--- a/pkg/systemdgen/systemdgen.go
+++ b/pkg/systemdgen/systemdgen.go
@@ -2,17 +2,18 @@ package systemdgen
import (
"fmt"
- "path/filepath"
+ "os"
"github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
)
var template = `[Unit]
Description=%s Podman Container
[Service]
Restart=%s
-ExecStart=/usr/bin/podman start %s
-ExecStop=/usr/bin/podman stop -t %d %s
+ExecStart=%s start %s
+ExecStop=%s stop -t %d %s
KillMode=none
Type=forking
PIDFile=%s
@@ -33,11 +34,26 @@ func ValidateRestartPolicy(restart string) error {
// CreateSystemdUnitAsString takes variables to create a systemd unit file used to control
// a libpod container
-func CreateSystemdUnitAsString(name, cid, restart, pidPath string, stopTimeout int) (string, error) {
+func CreateSystemdUnitAsString(name, cid, restart, pidFile string, stopTimeout int) (string, error) {
+ podmanExe := getPodmanExecutable()
+ return createSystemdUnitAsString(podmanExe, name, cid, restart, pidFile, stopTimeout)
+}
+
+func createSystemdUnitAsString(exe, name, cid, restart, pidFile string, stopTimeout int) (string, error) {
if err := ValidateRestartPolicy(restart); err != nil {
return "", err
}
- pidFile := filepath.Join(pidPath, fmt.Sprintf("%s.pid", cid))
- unit := fmt.Sprintf(template, name, restart, name, stopTimeout, name, pidFile)
+
+ unit := fmt.Sprintf(template, name, restart, exe, name, exe, stopTimeout, name, pidFile)
return unit, nil
}
+
+func getPodmanExecutable() string {
+ podmanExe, err := os.Executable()
+ if err != nil {
+ podmanExe = "/usr/bin/podman"
+ logrus.Warnf("Could not obtain podman executable location, using default %s", podmanExe)
+ }
+
+ return podmanExe
+}
diff --git a/pkg/systemdgen/systemdgen_test.go b/pkg/systemdgen/systemdgen_test.go
index f2f49e750..e413b24ce 100644
--- a/pkg/systemdgen/systemdgen_test.go
+++ b/pkg/systemdgen/systemdgen_test.go
@@ -41,7 +41,7 @@ ExecStart=/usr/bin/podman start 639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4
ExecStop=/usr/bin/podman stop -t 10 639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401
KillMode=none
Type=forking
-PIDFile=/var/lib/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401.pid
+PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
[Install]
WantedBy=multi-user.target`
@@ -53,15 +53,16 @@ ExecStart=/usr/bin/podman start foobar
ExecStop=/usr/bin/podman stop -t 10 foobar
KillMode=none
Type=forking
-PIDFile=/var/lib/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401.pid
+PIDFile=/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid
[Install]
WantedBy=multi-user.target`
type args struct {
+ exe string
name string
cid string
restart string
- pidPath string
+ pidFile string
stopTimeout int
}
tests := []struct {
@@ -73,10 +74,11 @@ WantedBy=multi-user.target`
{"good with id",
args{
+ "/usr/bin/podman",
"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
"always",
- "/var/lib/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/",
+ "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
10,
},
goodID,
@@ -84,10 +86,11 @@ WantedBy=multi-user.target`
},
{"good with name",
args{
+ "/usr/bin/podman",
"foobar",
"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
"always",
- "/var/lib/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/",
+ "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
10,
},
goodName,
@@ -95,10 +98,11 @@ WantedBy=multi-user.target`
},
{"bad restart policy",
args{
+ "/usr/bin/podman",
"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
"639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401",
"never",
- "/var/lib/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/",
+ "/var/run/containers/storage/overlay-containers/639c53578af4d84b8800b4635fa4e680ee80fd67e0e6a2d4eea48d1e3230f401/userdata/conmon.pid",
10,
},
"",
@@ -107,7 +111,7 @@ WantedBy=multi-user.target`
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
- got, err := CreateSystemdUnitAsString(tt.args.name, tt.args.cid, tt.args.restart, tt.args.pidPath, tt.args.stopTimeout)
+ got, err := createSystemdUnitAsString(tt.args.exe, tt.args.name, tt.args.cid, tt.args.restart, tt.args.pidFile, tt.args.stopTimeout)
if (err != nil) != tt.wantErr {
t.Errorf("CreateSystemdUnitAsString() error = %v, wantErr %v", err, tt.wantErr)
return
diff --git a/pkg/tracing/tracing.go b/pkg/tracing/tracing.go
index cae76dee8..d028ddf8f 100644
--- a/pkg/tracing/tracing.go
+++ b/pkg/tracing/tracing.go
@@ -4,9 +4,9 @@ import (
"fmt"
"io"
- opentracing "github.com/opentracing/opentracing-go"
- jaeger "github.com/uber/jaeger-client-go"
- config "github.com/uber/jaeger-client-go/config"
+ "github.com/opentracing/opentracing-go"
+ "github.com/uber/jaeger-client-go"
+ "github.com/uber/jaeger-client-go/config"
)
// Init returns an instance of Jaeger Tracer that samples 100% of traces and logs all spans to stdout.
diff --git a/pkg/trust/trust.go b/pkg/trust/trust.go
index 9a75474ae..3bfe4bda1 100644
--- a/pkg/trust/trust.go
+++ b/pkg/trust/trust.go
@@ -14,7 +14,7 @@ import (
"github.com/containers/image/types"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
- yaml "gopkg.in/yaml.v2"
+ "gopkg.in/yaml.v2"
)
// PolicyContent struct for policy.json file
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-03 20:26:53 +0000