diff options
Diffstat (limited to 'cmd/podman/common')
-rw-r--r-- | cmd/podman/common/create_opts.go | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/cmd/podman/common/create_opts.go b/cmd/podman/common/create_opts.go index c40d1ea51..ad535ff59 100644 --- a/cmd/podman/common/create_opts.go +++ b/cmd/podman/common/create_opts.go @@ -1,472 +1,9 @@ package common import ( - "fmt" - "net" - "os" - "path/filepath" - "strconv" - "strings" - - "github.com/containers/common/libnetwork/types" - "github.com/containers/common/pkg/cgroups" - "github.com/containers/common/pkg/config" "github.com/containers/podman/v4/cmd/podman/registry" - "github.com/containers/podman/v4/libpod/define" - "github.com/containers/podman/v4/pkg/api/handlers" - "github.com/containers/podman/v4/pkg/domain/entities" - "github.com/containers/podman/v4/pkg/rootless" - "github.com/containers/podman/v4/pkg/specgen" - "github.com/docker/docker/api/types/mount" - "github.com/pkg/errors" ) -func stringMaptoArray(m map[string]string) []string { - a := make([]string, 0, len(m)) - for k, v := range m { - a = append(a, fmt.Sprintf("%s=%s", k, v)) - } - return a -} - -// ContainerCreateToContainerCLIOpts converts a compat input struct to cliopts so it can be converted to -// a specgen spec. -func ContainerCreateToContainerCLIOpts(cc handlers.CreateContainerConfig, rtc *config.Config) (*entities.ContainerCreateOptions, []string, error) { - var ( - capAdd []string - cappDrop []string - entrypoint *string - init bool - specPorts []types.PortMapping - ) - - if cc.HostConfig.Init != nil { - init = *cc.HostConfig.Init - } - - // Iterate devices and convert back to string - devices := make([]string, 0, len(cc.HostConfig.Devices)) - for _, dev := range cc.HostConfig.Devices { - devices = append(devices, fmt.Sprintf("%s:%s:%s", dev.PathOnHost, dev.PathInContainer, dev.CgroupPermissions)) - } - - // iterate blkreaddevicebps - readBps := make([]string, 0, len(cc.HostConfig.BlkioDeviceReadBps)) - for _, dev := range cc.HostConfig.BlkioDeviceReadBps { - readBps = append(readBps, dev.String()) - } - - // iterate blkreaddeviceiops - readIops := make([]string, 0, len(cc.HostConfig.BlkioDeviceReadIOps)) - for _, dev := range cc.HostConfig.BlkioDeviceReadIOps { - readIops = append(readIops, dev.String()) - } - - // iterate blkwritedevicebps - writeBps := make([]string, 0, len(cc.HostConfig.BlkioDeviceWriteBps)) - for _, dev := range cc.HostConfig.BlkioDeviceWriteBps { - writeBps = append(writeBps, dev.String()) - } - - // iterate blkwritedeviceiops - writeIops := make([]string, 0, len(cc.HostConfig.BlkioDeviceWriteIOps)) - for _, dev := range cc.HostConfig.BlkioDeviceWriteIOps { - writeIops = append(writeIops, dev.String()) - } - - // entrypoint - // can be a string or slice. if it is a slice, we need to - // marshall it to json; otherwise it should just be the string - // value - if len(cc.Config.Entrypoint) > 0 { - entrypoint = &cc.Config.Entrypoint[0] - if len(cc.Config.Entrypoint) > 1 { - b, err := json.Marshal(cc.Config.Entrypoint) - if err != nil { - return nil, nil, err - } - var jsonString = string(b) - entrypoint = &jsonString - } - } - - // expose ports - expose := make([]string, 0, len(cc.Config.ExposedPorts)) - for p := range cc.Config.ExposedPorts { - expose = append(expose, fmt.Sprintf("%s/%s", p.Port(), p.Proto())) - } - - // mounts type=tmpfs/bind,source=...,target=...=,opt=val - volSources := make(map[string]bool) - volDestinations := make(map[string]bool) - mounts := make([]string, 0, len(cc.HostConfig.Mounts)) - var builder strings.Builder - for _, m := range cc.HostConfig.Mounts { - addField(&builder, "type", string(m.Type)) - addField(&builder, "source", m.Source) - addField(&builder, "target", m.Target) - - // Store source/dest so we don't add duplicates if a volume is - // also mentioned in cc.Volumes. - // Which Docker Compose v2.0 does, for unclear reasons... - volSources[m.Source] = true - volDestinations[m.Target] = true - - if m.ReadOnly { - addField(&builder, "ro", "true") - } - addField(&builder, "consistency", string(m.Consistency)) - // Map any specialized mount options that intersect between *Options and cli options - switch m.Type { - case mount.TypeBind: - if m.BindOptions != nil { - addField(&builder, "bind-propagation", string(m.BindOptions.Propagation)) - addField(&builder, "bind-nonrecursive", strconv.FormatBool(m.BindOptions.NonRecursive)) - } - case mount.TypeTmpfs: - if m.TmpfsOptions != nil { - addField(&builder, "tmpfs-size", strconv.FormatInt(m.TmpfsOptions.SizeBytes, 10)) - addField(&builder, "tmpfs-mode", strconv.FormatUint(uint64(m.TmpfsOptions.Mode), 8)) - } - case mount.TypeVolume: - // All current VolumeOpts are handled above - // See vendor/github.com/containers/common/pkg/parse/parse.go:ValidateVolumeOpts() - } - mounts = append(mounts, builder.String()) - builder.Reset() - } - - // dns - dns := make([]net.IP, 0, len(cc.HostConfig.DNS)) - for _, d := range cc.HostConfig.DNS { - dns = append(dns, net.ParseIP(d)) - } - - // publish - for port, pbs := range cc.HostConfig.PortBindings { - for _, pb := range pbs { - var hostport int - var err error - if pb.HostPort != "" { - hostport, err = strconv.Atoi(pb.HostPort) - } - if err != nil { - return nil, nil, err - } - tmpPort := types.PortMapping{ - HostIP: pb.HostIP, - ContainerPort: uint16(port.Int()), - HostPort: uint16(hostport), - Range: 0, - Protocol: port.Proto(), - } - specPorts = append(specPorts, tmpPort) - } - } - - // special case for NetworkMode, the podman default is slirp4netns for - // rootless but for better docker compat we want bridge. - netmode := string(cc.HostConfig.NetworkMode) - if netmode == "" || netmode == "default" { - netmode = "bridge" - } - nsmode, networks, netOpts, err := specgen.ParseNetworkFlag([]string{netmode}) - if err != nil { - return nil, nil, err - } - - // network - // Note: we cannot emulate compat exactly here. we only allow specifics of networks to be - // defined when there is only one network. - netInfo := entities.NetOptions{ - AddHosts: cc.HostConfig.ExtraHosts, - DNSOptions: cc.HostConfig.DNSOptions, - DNSSearch: cc.HostConfig.DNSSearch, - DNSServers: dns, - Network: nsmode, - PublishPorts: specPorts, - NetworkOptions: netOpts, - NoHosts: rtc.Containers.NoHosts, - } - - // network names - switch { - case len(cc.NetworkingConfig.EndpointsConfig) > 0: - endpointsConfig := cc.NetworkingConfig.EndpointsConfig - networks := make(map[string]types.PerNetworkOptions, len(endpointsConfig)) - for netName, endpoint := range endpointsConfig { - netOpts := types.PerNetworkOptions{} - if endpoint != nil { - netOpts.Aliases = endpoint.Aliases - - // if IP address is provided - if len(endpoint.IPAddress) > 0 { - staticIP := net.ParseIP(endpoint.IPAddress) - if staticIP == nil { - return nil, nil, errors.Errorf("failed to parse the ip address %q", endpoint.IPAddress) - } - netOpts.StaticIPs = append(netOpts.StaticIPs, staticIP) - } - - if endpoint.IPAMConfig != nil { - // if IPAMConfig.IPv4Address is provided - if len(endpoint.IPAMConfig.IPv4Address) > 0 { - staticIP := net.ParseIP(endpoint.IPAMConfig.IPv4Address) - if staticIP == nil { - return nil, nil, errors.Errorf("failed to parse the ipv4 address %q", endpoint.IPAMConfig.IPv4Address) - } - netOpts.StaticIPs = append(netOpts.StaticIPs, staticIP) - } - // if IPAMConfig.IPv6Address is provided - if len(endpoint.IPAMConfig.IPv6Address) > 0 { - staticIP := net.ParseIP(endpoint.IPAMConfig.IPv6Address) - if staticIP == nil { - return nil, nil, errors.Errorf("failed to parse the ipv6 address %q", endpoint.IPAMConfig.IPv6Address) - } - netOpts.StaticIPs = append(netOpts.StaticIPs, staticIP) - } - } - // If MAC address is provided - if len(endpoint.MacAddress) > 0 { - staticMac, err := net.ParseMAC(endpoint.MacAddress) - if err != nil { - return nil, nil, errors.Errorf("failed to parse the mac address %q", endpoint.MacAddress) - } - netOpts.StaticMAC = types.HardwareAddr(staticMac) - } - } - - networks[netName] = netOpts - } - - netInfo.Networks = networks - case len(cc.HostConfig.NetworkMode) > 0: - netInfo.Networks = networks - } - - parsedTmp := make([]string, 0, len(cc.HostConfig.Tmpfs)) - for path, options := range cc.HostConfig.Tmpfs { - finalString := path - if options != "" { - finalString += ":" + options - } - parsedTmp = append(parsedTmp, finalString) - } - - // Note: several options here are marked as "don't need". this is based - // on speculation by Matt and I. We think that these come into play later - // like with start. We believe this is just a difference in podman/compat - cliOpts := entities.ContainerCreateOptions{ - // Attach: nil, // don't need? - Authfile: "", - CapAdd: append(capAdd, cc.HostConfig.CapAdd...), - CapDrop: append(cappDrop, cc.HostConfig.CapDrop...), - CgroupParent: cc.HostConfig.CgroupParent, - CIDFile: cc.HostConfig.ContainerIDFile, - CPUPeriod: uint64(cc.HostConfig.CPUPeriod), - CPUQuota: cc.HostConfig.CPUQuota, - CPURTPeriod: uint64(cc.HostConfig.CPURealtimePeriod), - CPURTRuntime: cc.HostConfig.CPURealtimeRuntime, - CPUShares: uint64(cc.HostConfig.CPUShares), - // CPUS: 0, // don't need? - CPUSetCPUs: cc.HostConfig.CpusetCpus, - CPUSetMems: cc.HostConfig.CpusetMems, - // Detach: false, // don't need - // DetachKeys: "", // don't need - Devices: devices, - DeviceCgroupRule: nil, - DeviceReadBPs: readBps, - DeviceReadIOPs: readIops, - DeviceWriteBPs: writeBps, - DeviceWriteIOPs: writeIops, - Entrypoint: entrypoint, - Env: cc.Config.Env, - Expose: expose, - GroupAdd: cc.HostConfig.GroupAdd, - Hostname: cc.Config.Hostname, - ImageVolume: "bind", - Init: init, - Interactive: cc.Config.OpenStdin, - IPC: string(cc.HostConfig.IpcMode), - Label: stringMaptoArray(cc.Config.Labels), - LogDriver: cc.HostConfig.LogConfig.Type, - LogOptions: stringMaptoArray(cc.HostConfig.LogConfig.Config), - Name: cc.Name, - OOMScoreAdj: &cc.HostConfig.OomScoreAdj, - Arch: "", - OS: "", - Variant: "", - PID: string(cc.HostConfig.PidMode), - PIDsLimit: cc.HostConfig.PidsLimit, - Privileged: cc.HostConfig.Privileged, - PublishAll: cc.HostConfig.PublishAllPorts, - Quiet: false, - ReadOnly: cc.HostConfig.ReadonlyRootfs, - ReadOnlyTmpFS: true, // podman default - Rm: cc.HostConfig.AutoRemove, - SecurityOpt: cc.HostConfig.SecurityOpt, - StopSignal: cc.Config.StopSignal, - StorageOpts: stringMaptoArray(cc.HostConfig.StorageOpt), - Sysctl: stringMaptoArray(cc.HostConfig.Sysctls), - Systemd: "true", // podman default - TmpFS: parsedTmp, - TTY: cc.Config.Tty, - UnsetEnv: cc.UnsetEnv, - UnsetEnvAll: cc.UnsetEnvAll, - User: cc.Config.User, - UserNS: string(cc.HostConfig.UsernsMode), - UTS: string(cc.HostConfig.UTSMode), - Mount: mounts, - VolumesFrom: cc.HostConfig.VolumesFrom, - Workdir: cc.Config.WorkingDir, - Net: &netInfo, - HealthInterval: define.DefaultHealthCheckInterval, - HealthRetries: define.DefaultHealthCheckRetries, - HealthTimeout: define.DefaultHealthCheckTimeout, - HealthStartPeriod: define.DefaultHealthCheckStartPeriod, - } - 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 cc.HostConfig.Resources.NanoCPUs > 0 { - if cliOpts.CPUPeriod != 0 || cliOpts.CPUQuota != 0 { - return nil, nil, errors.Errorf("NanoCpus conflicts with CpuPeriod and CpuQuota") - } - cliOpts.CPUPeriod = 100000 - cliOpts.CPUQuota = cc.HostConfig.Resources.NanoCPUs / 10000 - } - - // volumes - for _, vol := range cc.HostConfig.Binds { - cliOpts.Volume = append(cliOpts.Volume, vol) - // Extract the destination so we don't add duplicate mounts in - // the volumes phase. - splitVol := specgen.SplitVolumeString(vol) - switch len(splitVol) { - case 1: - volDestinations[vol] = true - default: - volSources[splitVol[0]] = true - volDestinations[splitVol[1]] = true - } - } - // Anonymous volumes are added differently from other volumes, in their - // own special field, for reasons known only to Docker. Still use the - // format of `-v` so we can just append them in there. - // Unfortunately, these may be duplicates of existing mounts in Binds. - // So... We need to catch that. - // This also handles volumes duplicated between cc.HostConfig.Mounts and - // cc.Volumes, as seen in compose v2.0. - for vol := range cc.Volumes { - if _, ok := volDestinations[filepath.Clean(vol)]; ok { - continue - } - cliOpts.Volume = append(cliOpts.Volume, vol) - } - // Make mount points for compat volumes - for vol := range volSources { - // This might be a named volume. - // Assume it is if it's not an absolute path. - if !filepath.IsAbs(vol) { - continue - } - // If volume already exists, there is nothing to do - if _, err := os.Stat(vol); err == nil { - continue - } - if err := os.MkdirAll(vol, 0755); err != nil { - if !os.IsExist(err) { - return nil, nil, errors.Wrapf(err, "error making volume mountpoint for volume %s", vol) - } - } - } - if len(cc.HostConfig.BlkioWeightDevice) > 0 { - devices := make([]string, 0, len(cc.HostConfig.BlkioWeightDevice)) - for _, d := range cc.HostConfig.BlkioWeightDevice { - devices = append(devices, d.String()) - } - cliOpts.BlkIOWeightDevice = devices - } - if cc.HostConfig.BlkioWeight > 0 { - cliOpts.BlkIOWeight = strconv.Itoa(int(cc.HostConfig.BlkioWeight)) - } - - if cc.HostConfig.Memory > 0 { - cliOpts.Memory = strconv.Itoa(int(cc.HostConfig.Memory)) - } - - if cc.HostConfig.MemoryReservation > 0 { - cliOpts.MemoryReservation = strconv.Itoa(int(cc.HostConfig.MemoryReservation)) - } - - 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)) - } - - if cc.Config.StopTimeout != nil { - cliOpts.StopTimeout = uint(*cc.Config.StopTimeout) - } - - if cc.HostConfig.ShmSize > 0 { - cliOpts.ShmSize = strconv.Itoa(int(cc.HostConfig.ShmSize)) - } - - if len(cc.HostConfig.RestartPolicy.Name) > 0 { - policy := cc.HostConfig.RestartPolicy.Name - // only add restart count on failure - if cc.HostConfig.RestartPolicy.IsOnFailure() { - policy += fmt.Sprintf(":%d", cc.HostConfig.RestartPolicy.MaximumRetryCount) - } - cliOpts.Restart = policy - } - - if cc.HostConfig.MemorySwappiness != nil && (!rootless.IsRootless() || rootless.IsRootless() && cgroupsv2 && rtc.Engine.CgroupManager == "systemd") { - cliOpts.MemorySwappiness = *cc.HostConfig.MemorySwappiness - } else { - cliOpts.MemorySwappiness = -1 - } - if cc.HostConfig.OomKillDisable != nil { - cliOpts.OOMKillDisable = *cc.HostConfig.OomKillDisable - } - if cc.Config.Healthcheck != nil { - finCmd := "" - for _, str := range cc.Config.Healthcheck.Test { - finCmd = finCmd + str + " " - } - if len(finCmd) > 1 { - finCmd = finCmd[:len(finCmd)-1] - } - cliOpts.HealthCmd = finCmd - if cc.Config.Healthcheck.Interval > 0 { - cliOpts.HealthInterval = cc.Config.Healthcheck.Interval.String() - } - if cc.Config.Healthcheck.Retries > 0 { - cliOpts.HealthRetries = uint(cc.Config.Healthcheck.Retries) - } - if cc.Config.Healthcheck.StartPeriod > 0 { - cliOpts.HealthStartPeriod = cc.Config.Healthcheck.StartPeriod.String() - } - if cc.Config.Healthcheck.Timeout > 0 { - cliOpts.HealthTimeout = cc.Config.Healthcheck.Timeout.String() - } - } - - // specgen assumes the image name is arg[0] - cmd := []string{cc.Config.Image} - cmd = append(cmd, cc.Config.Cmd...) - return &cliOpts, cmd, nil -} - func ulimits() []string { if !registry.IsRemote() { return containerConfig.Ulimits() @@ -536,17 +73,3 @@ func LogDriver() string { } return "" } - -// addField is a helper function to populate mount options -func addField(b *strings.Builder, name string, value string) { - if value == "" { - return - } - - if b.Len() > 0 { - b.WriteRune(',') - } - b.WriteString(name) - b.WriteRune('=') - b.WriteString(value) -} |