diff options
Diffstat (limited to 'libpod')
-rw-r--r-- | libpod/container_internal_linux.go | 38 | ||||
-rw-r--r-- | libpod/networking_linux.go | 35 | ||||
-rw-r--r-- | libpod/networking_slirp4netns.go | 91 | ||||
-rw-r--r-- | libpod/options.go | 26 | ||||
-rw-r--r-- | libpod/runtime_ctr.go | 4 | ||||
-rw-r--r-- | libpod/runtime_volume_linux.go | 23 | ||||
-rw-r--r-- | libpod/util.go | 39 | ||||
-rw-r--r-- | libpod/volume.go | 4 | ||||
-rw-r--r-- | libpod/volume_internal.go | 3 | ||||
-rw-r--r-- | libpod/volume_internal_linux.go | 2 |
10 files changed, 194 insertions, 71 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index bff64aa95..f30f622ac 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -1912,6 +1912,7 @@ func (c *Container) appendHosts(path string, netCtr *Container) (string, error) // and returns a string in a format that can be written to the host file func (c *Container) getHosts() string { var hosts string + if len(c.config.HostAdd) > 0 { for _, host := range c.config.HostAdd { // the host format has already been verified at this point @@ -1922,36 +1923,33 @@ func (c *Container) getHosts() string { hosts += c.cniHosts() - // If not making a network namespace, add our own hostname. + // Add hostname for slirp4netns if c.Hostname() != "" { if c.config.NetMode.IsSlirp4netns() { // When using slirp4netns, the interface gets a static IP slirp4netnsIP, err := GetSlirp4netnsIP(c.slirp4netnsSubnet) if err != nil { - logrus.Warn("failed to determine slirp4netnsIP: ", err.Error()) + logrus.Warnf("failed to determine slirp4netnsIP: %v", err.Error()) } else { hosts += fmt.Sprintf("# used by slirp4netns\n%s\t%s %s\n", slirp4netnsIP.String(), c.Hostname(), c.config.Name) } - } else { - hasNetNS := false - netNone := false - for _, ns := range c.config.Spec.Linux.Namespaces { - if ns.Type == spec.NetworkNamespace { - hasNetNS = true - if ns.Path == "" && !c.config.CreateNetNS { - netNone = true - } - break + } + + // Do we have a network namespace? + netNone := false + for _, ns := range c.config.Spec.Linux.Namespaces { + if ns.Type == spec.NetworkNamespace { + if ns.Path == "" && !c.config.CreateNetNS { + netNone = true } + break } - if !hasNetNS { - // 127.0.1.1 and host's hostname to match Docker - osHostname, _ := os.Hostname() - hosts += fmt.Sprintf("127.0.1.1 %s %s %s\n", osHostname, c.Hostname(), c.config.Name) - } - if netNone { - hosts += fmt.Sprintf("127.0.1.1 %s %s\n", c.Hostname(), c.config.Name) - } + } + + // If we are net=none (have a network namespace, but not connected to + // anything) add the container's name and hostname to localhost. + if netNone { + hosts += fmt.Sprintf("127.0.0.1 %s %s\n", c.Hostname(), c.config.Name) } } diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index 0f3e03e06..8e9b5997c 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -1214,7 +1214,29 @@ func (c *Container) NetworkDisconnect(nameOrID, netName string, force bool) erro } } c.state.NetworkStatus = tmpNetworkStatus - return c.save() + err = c.save() + if err != nil { + return err + } + + // OCICNI will set the loopback adpter down on teardown so we should set it up again + err = c.state.NetNS.Do(func(_ ns.NetNS) error { + link, err := netlink.LinkByName("lo") + if err != nil { + return err + } + err = netlink.LinkSetUp(link) + return err + }) + if err != nil { + logrus.Warnf("failed to set loopback adpter up in the container: %v", err) + } + // Reload ports when there are still connected networks, maybe we removed the network interface with the child ip. + // Reloading without connected networks does not make sense, so we can skip this step. + if rootless.IsRootless() && len(tmpNetworkStatus) > 0 { + return c.reloadRootlessRLKPortMapping() + } + return nil } // ConnectNetwork connects a container to a given network @@ -1306,7 +1328,16 @@ func (c *Container) NetworkConnect(nameOrID, netName string, aliases []string) e networkStatus[index] = networkResults[0] c.state.NetworkStatus = networkStatus } - return c.save() + err = c.save() + if err != nil { + return err + } + // The first network needs a port reload to set the correct child ip for the rootlessport process. + // Adding a second network does not require a port reload because the child ip is still valid. + if rootless.IsRootless() && len(networks) == 0 { + return c.reloadRootlessRLKPortMapping() + } + return nil } // DisconnectContainerFromNetwork removes a container from its CNI network diff --git a/libpod/networking_slirp4netns.go b/libpod/networking_slirp4netns.go index 410b377ec..5858364ff 100644 --- a/libpod/networking_slirp4netns.go +++ b/libpod/networking_slirp4netns.go @@ -17,6 +17,7 @@ import ( "time" "github.com/containers/podman/v3/pkg/errorhandling" + "github.com/containers/podman/v3/pkg/rootless" "github.com/containers/podman/v3/pkg/rootlessport" "github.com/containers/podman/v3/pkg/servicereaper" "github.com/pkg/errors" @@ -466,29 +467,16 @@ func (r *Runtime) setupRootlessPortMappingViaRLK(ctr *Container, netnsPath strin } } - slirp4netnsIP, err := GetSlirp4netnsIP(ctr.slirp4netnsSubnet) - if err != nil { - return errors.Wrapf(err, "failed to get slirp4ns ip") - } - childIP := slirp4netnsIP.String() -outer: - for _, r := range ctr.state.NetworkStatus { - for _, i := range r.IPs { - ipv4 := i.Address.IP.To4() - if ipv4 != nil { - childIP = ipv4.String() - break outer - } - } - } - + childIP := getRootlessPortChildIP(ctr) cfg := rootlessport.Config{ - Mappings: ctr.config.PortMappings, - NetNSPath: netnsPath, - ExitFD: 3, - ReadyFD: 4, - TmpDir: ctr.runtime.config.Engine.TmpDir, - ChildIP: childIP, + Mappings: ctr.config.PortMappings, + NetNSPath: netnsPath, + ExitFD: 3, + ReadyFD: 4, + TmpDir: ctr.runtime.config.Engine.TmpDir, + ChildIP: childIP, + ContainerID: ctr.config.ID, + RootlessCNI: ctr.config.NetMode.IsBridge() && rootless.IsRootless(), } cfgJSON, err := json.Marshal(cfg) if err != nil { @@ -617,3 +605,62 @@ func (r *Runtime) setupRootlessPortMappingViaSlirp(ctr *Container, cmd *exec.Cmd logrus.Debug("slirp4netns port-forwarding setup via add_hostfwd is ready") return nil } + +func getRootlessPortChildIP(c *Container) string { + if c.config.NetMode.IsSlirp4netns() { + slirp4netnsIP, err := GetSlirp4netnsIP(c.slirp4netnsSubnet) + if err != nil { + return "" + } + return slirp4netnsIP.String() + } + + for _, r := range c.state.NetworkStatus { + for _, i := range r.IPs { + ipv4 := i.Address.IP.To4() + if ipv4 != nil { + return ipv4.String() + } + } + } + return "" +} + +// reloadRootlessRLKPortMapping will trigger a reload for the port mappings in the rootlessport process. +// This should only be called by network connect/disconnect and only as rootless. +func (c *Container) reloadRootlessRLKPortMapping() error { + childIP := getRootlessPortChildIP(c) + logrus.Debugf("reloading rootless ports for container %s, childIP is %s", c.config.ID, childIP) + + var conn net.Conn + var err error + // try three times to connect to the socket, maybe it is not ready yet + for i := 0; i < 3; i++ { + conn, err = net.Dial("unix", filepath.Join(c.runtime.config.Engine.TmpDir, "rp", c.config.ID)) + if err == nil { + break + } + time.Sleep(250 * time.Millisecond) + } + if err != nil { + // This is not a hard error for backwards compatibility. A container started + // with an old version did not created the rootlessport socket. + logrus.Warnf("Could not reload rootless port mappings, port forwarding may no longer work correctly: %v", err) + return nil + } + defer conn.Close() + enc := json.NewEncoder(conn) + err = enc.Encode(childIP) + if err != nil { + return errors.Wrap(err, "port reloading failed") + } + b, err := ioutil.ReadAll(conn) + if err != nil { + return errors.Wrap(err, "port reloading failed") + } + data := string(b) + if data != "OK" { + return errors.Errorf("port reloading failed: %s", data) + } + return nil +} diff --git a/libpod/options.go b/libpod/options.go index 553206a8a..071b085e7 100644 --- a/libpod/options.go +++ b/libpod/options.go @@ -1645,6 +1645,32 @@ func WithVolumeUID(uid int) VolumeCreateOption { } } +// WithVolumeSize sets the maximum size of the volume +func WithVolumeSize(size uint64) VolumeCreateOption { + return func(volume *Volume) error { + if volume.valid { + return define.ErrVolumeFinalized + } + + volume.config.Size = size + + return nil + } +} + +// WithVolumeInodes sets the maximum inodes of the volume +func WithVolumeInodes(inodes uint64) VolumeCreateOption { + return func(volume *Volume) error { + if volume.valid { + return define.ErrVolumeFinalized + } + + volume.config.Inodes = inodes + + return nil + } +} + // WithVolumeGID sets the GID that the volume will be created as. func WithVolumeGID(gid int) VolumeCreateOption { return func(volume *Volume) error { diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go index 31e2d09ce..059f56798 100644 --- a/libpod/runtime_ctr.go +++ b/libpod/runtime_ctr.go @@ -353,6 +353,10 @@ func (r *Runtime) setupContainer(ctx context.Context, ctr *Container) (_ *Contai } } + if ctr.config.Timezone == "" { + ctr.config.Timezone = r.config.Containers.TZ + } + if ctr.restoreFromCheckpoint { // Remove information about bind mount // for new container from imported checkpoint diff --git a/libpod/runtime_volume_linux.go b/libpod/runtime_volume_linux.go index 3d5bc8bb2..40df98d7c 100644 --- a/libpod/runtime_volume_linux.go +++ b/libpod/runtime_volume_linux.go @@ -12,6 +12,7 @@ import ( "github.com/containers/podman/v3/libpod/define" "github.com/containers/podman/v3/libpod/events" volplugin "github.com/containers/podman/v3/libpod/plugin" + "github.com/containers/storage/drivers/quota" "github.com/containers/storage/pkg/stringid" pluginapi "github.com/docker/go-plugins-helpers/volume" "github.com/pkg/errors" @@ -68,7 +69,7 @@ func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption) // Validate options for key := range volume.config.Options { switch key { - case "device", "o", "type", "UID", "GID": + case "device", "o", "type", "UID", "GID", "SIZE", "INODES": // Do nothing, valid keys default: return nil, errors.Wrapf(define.ErrInvalidArg, "invalid mount option %s for driver 'local'", key) @@ -106,6 +107,26 @@ func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption) if err := LabelVolumePath(fullVolPath); err != nil { return nil, err } + projectQuotaSupported := false + + q, err := quota.NewControl(r.config.Engine.VolumePath) + if err == nil { + projectQuotaSupported = true + } + quota := quota.Quota{} + if volume.config.Size > 0 || volume.config.Inodes > 0 { + if !projectQuotaSupported { + return nil, errors.New("Volume options size and inodes not supported. Filesystem does not support Project Quota") + } + quota.Size = volume.config.Size + quota.Inodes = volume.config.Inodes + } + if projectQuotaSupported { + if err := q.SetQuota(fullVolPath, quota); err != nil { + return nil, errors.Wrapf(err, "failed to set size quota size=%d inodes=%d for volume directory %q", volume.config.Size, volume.config.Inodes, fullVolPath) + } + } + volume.config.MountPoint = fullVolPath } diff --git a/libpod/util.go b/libpod/util.go index 7f4a01f28..3b32fb264 100644 --- a/libpod/util.go +++ b/libpod/util.go @@ -153,33 +153,22 @@ func queryPackageVersion(cmdArg ...string) string { return strings.Trim(output, "\n") } -func equeryVersion(path string) string { - return queryPackageVersion("/usr/bin/equery", "b", path) -} - -func pacmanVersion(path string) string { - return queryPackageVersion("/usr/bin/pacman", "-Qo", path) -} - -func dpkgVersion(path string) string { - return queryPackageVersion("/usr/bin/dpkg", "-S", path) -} - -func rpmVersion(path string) string { - return queryPackageVersion("/usr/bin/rpm", "-q", "-f", path) -} - -func packageVersion(program string) string { - if out := rpmVersion(program); out != unknownPackage { - return out - } - if out := dpkgVersion(program); out != unknownPackage { - return out +func packageVersion(program string) string { // program is full path + packagers := [][]string{ + {"/usr/bin/rpm", "-q", "-f"}, + {"/usr/bin/dpkg", "-S"}, // Debian, Ubuntu + {"/usr/bin/pacman", "-Qo"}, // Arch + {"/usr/bin/qfile", "-qv"}, // Gentoo (quick) + {"/usr/bin/equery", "b"}, // Gentoo (slow) } - if out := pacmanVersion(program); out != unknownPackage { - return out + + for _, cmd := range packagers { + cmd = append(cmd, program) + if out := queryPackageVersion(cmd...); out != unknownPackage { + return out + } } - return equeryVersion(program) + return unknownPackage } func programVersion(mountProgram string) (string, error) { diff --git a/libpod/volume.go b/libpod/volume.go index 506c45b5a..8f3dc4fcc 100644 --- a/libpod/volume.go +++ b/libpod/volume.go @@ -49,6 +49,10 @@ type VolumeConfig struct { UID int `json:"uid"` // GID the volume will be created as. GID int `json:"gid"` + // Size maximum of the volume. + Size uint64 `json:"size"` + // Inodes maximum of the volume. + Inodes uint64 `json:"inodes"` } // VolumeState holds the volume's mutable state. diff --git a/libpod/volume_internal.go b/libpod/volume_internal.go index 19008a253..f69f1c044 100644 --- a/libpod/volume_internal.go +++ b/libpod/volume_internal.go @@ -49,6 +49,9 @@ func (v *Volume) needsMount() bool { if _, ok := v.config.Options["GID"]; ok { index++ } + if _, ok := v.config.Options["SIZE"]; ok { + index++ + } // when uid or gid is set there is also the "o" option // set so we have to ignore this one as well if index > 0 { diff --git a/libpod/volume_internal_linux.go b/libpod/volume_internal_linux.go index 92391de1d..45cd22385 100644 --- a/libpod/volume_internal_linux.go +++ b/libpod/volume_internal_linux.go @@ -104,7 +104,7 @@ func (v *Volume) mount() error { logrus.Debugf("Running mount command: %s %s", mountPath, strings.Join(mountArgs, " ")) if output, err := mountCmd.CombinedOutput(); err != nil { - logrus.Debugf("Mount failed with %v", err) + logrus.Debugf("Mount %v failed with %v", mountCmd, err) return errors.Wrapf(errors.Errorf(string(output)), "error mounting volume %s", v.Name()) } |