diff options
-rw-r--r-- | cmd/podman/common/create_opts.go | 41 | ||||
-rw-r--r-- | pkg/api/handlers/compat/containers_create.go | 7 | ||||
-rw-r--r-- | pkg/specgen/container_validate.go | 35 |
3 files changed, 68 insertions, 15 deletions
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go index 05bb9de13..8b2efc988 100644 --- a/cmd/podman/common/create_opts.go +++ b/cmd/podman/common/create_opts.go @@ -7,7 +7,9 @@ import ( "strings" "github.com/containers/podman/v2/pkg/api/handlers" + "github.com/containers/podman/v2/pkg/cgroups" "github.com/containers/podman/v2/pkg/domain/entities" + "github.com/containers/podman/v2/pkg/rootless" "github.com/containers/podman/v2/pkg/specgen" ) @@ -129,7 +131,7 @@ func stringMaptoArray(m map[string]string) []string { // ContainerCreateToContainerCLIOpts converts a compat input struct to cliopts so it can be converted to // a specgen spec. -func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig) (*ContainerCLIOpts, []string, error) { +func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig, cgroupsManager string) (*ContainerCLIOpts, []string, error) { var ( capAdd []string cappDrop []string @@ -346,16 +348,23 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig) (*Cont Systemd: "true", // podman default TmpFS: stringMaptoArray(cc.HostConfig.Tmpfs), TTY: cc.Config.Tty, - //Ulimit: cc.HostConfig.Ulimits, // ask dan, no documented format - Ulimit: []string{"nproc=4194304:4194304"}, - User: cc.Config.User, - UserNS: string(cc.HostConfig.UsernsMode), - UTS: string(cc.HostConfig.UTSMode), - Mount: mounts, - Volume: volumes, - VolumesFrom: cc.HostConfig.VolumesFrom, - Workdir: cc.Config.WorkingDir, - Net: &netInfo, + User: cc.Config.User, + UserNS: string(cc.HostConfig.UsernsMode), + UTS: string(cc.HostConfig.UTSMode), + Mount: mounts, + Volume: volumes, + VolumesFrom: cc.HostConfig.VolumesFrom, + Workdir: cc.Config.WorkingDir, + Net: &netInfo, + } + if !rootless.IsRootless() { + var ulimits []string + if len(cc.HostConfig.Ulimits) > 0 { + for _, ul := range cc.HostConfig.Ulimits { + ulimits = append(ulimits, ul.String()) + } + cliOpts.Ulimit = ulimits + } } if len(cc.HostConfig.BlkioWeightDevice) > 0 { @@ -377,7 +386,11 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig) (*Cont cliOpts.MemoryReservation = strconv.Itoa(int(cc.HostConfig.MemoryReservation)) } - if cc.HostConfig.MemorySwap > 0 { + cgroupsv2, err := cgroups.IsCgroup2UnifiedMode() + if err != nil { + return nil, nil, err + } + if cc.HostConfig.MemorySwap > 0 && (!rootless.IsRootless() || (rootless.IsRootless() && cgroupsv2)) { cliOpts.MemorySwap = strconv.Itoa(int(cc.HostConfig.MemorySwap)) } @@ -401,8 +414,10 @@ func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig) (*Cont cliOpts.Restart = policy } - if cc.HostConfig.MemorySwappiness != nil { + if cc.HostConfig.MemorySwappiness != nil && (!rootless.IsRootless() || rootless.IsRootless() && cgroupsv2 && cgroupsManager == "systemd") { cliOpts.MemorySwappiness = *cc.HostConfig.MemorySwappiness + } else { + cliOpts.MemorySwappiness = -1 } if cc.HostConfig.OomKillDisable != nil { cliOpts.OOMKillDisable = *cc.HostConfig.OomKillDisable diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go index 87c95a24c..f9407df1a 100644 --- a/pkg/api/handlers/compat/containers_create.go +++ b/pkg/api/handlers/compat/containers_create.go @@ -38,6 +38,11 @@ func CreateContainer(w http.ResponseWriter, r *http.Request) { utils.Error(w, utils.ErrLinkNotSupport.Error(), http.StatusBadRequest, errors.Wrapf(utils.ErrLinkNotSupport, "bad parameter")) return } + rtc, err := runtime.GetConfig() + if err != nil { + utils.Error(w, "unable to obtain runtime config", http.StatusInternalServerError, errors.Wrap(err, "unable to get runtime config")) + } + newImage, err := runtime.ImageRuntime().NewFromLocal(input.Image) if err != nil { if errors.Cause(err) == define.ErrNoSuchImage { @@ -50,7 +55,7 @@ func CreateContainer(w http.ResponseWriter, r *http.Request) { } // Take input structure and convert to cliopts - cliOpts, args, err := common.ContainerCreateToContainerCLIOpts(input) + cliOpts, args, err := common.ContainerCreateToContainerCLIOpts(input, rtc.Engine.CgroupManager) if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "make cli opts()")) return diff --git a/pkg/specgen/container_validate.go b/pkg/specgen/container_validate.go index dc9e6b9d8..a0d36f865 100644 --- a/pkg/specgen/container_validate.go +++ b/pkg/specgen/container_validate.go @@ -1,11 +1,13 @@ package specgen import ( + "strconv" "strings" "github.com/containers/podman/v2/libpod/define" "github.com/containers/podman/v2/pkg/rootless" "github.com/containers/podman/v2/pkg/util" + "github.com/opencontainers/runtime-spec/specs-go" "github.com/pkg/errors" ) @@ -144,7 +146,38 @@ func (s *SpecGenerator) Validate() error { //default: // return errors.New("unrecognized option for cgroups; supported are 'default', 'disabled', 'no-conmon'") //} - + invalidUlimitFormatError := errors.New("invalid default ulimit definition must be form of type=soft:hard") + //set ulimits if not rootless + if len(s.ContainerResourceConfig.Rlimits) < 1 && !rootless.IsRootless() { + // Containers common defines this as something like nproc=4194304:4194304 + tmpnproc := containerConfig.Ulimits() + var posixLimits []specs.POSIXRlimit + for _, limit := range tmpnproc { + limitSplit := strings.SplitN(limit, "=", 2) + if len(limitSplit) < 2 { + return errors.Wrapf(invalidUlimitFormatError, "missing = in %s", limit) + } + valueSplit := strings.SplitN(limitSplit[1], ":", 2) + if len(valueSplit) < 2 { + return errors.Wrapf(invalidUlimitFormatError, "missing : in %s", limit) + } + hard, err := strconv.Atoi(valueSplit[0]) + if err != nil { + return err + } + soft, err := strconv.Atoi(valueSplit[1]) + if err != nil { + return err + } + posixLimit := specs.POSIXRlimit{ + Type: limitSplit[0], + Hard: uint64(hard), + Soft: uint64(soft), + } + posixLimits = append(posixLimits, posixLimit) + } + s.ContainerResourceConfig.Rlimits = posixLimits + } // Namespaces if err := s.UtsNS.validate(); err != nil { return err |