diff options
Diffstat (limited to 'cmd/podman/common/specgen.go')
-rw-r--r-- | cmd/podman/common/specgen.go | 105 |
1 files changed, 91 insertions, 14 deletions
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go index 2f45e559d..42f515ace 100644 --- a/cmd/podman/common/specgen.go +++ b/cmd/podman/common/specgen.go @@ -516,7 +516,6 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string if len(con) != 2 { return fmt.Errorf("invalid --security-opt 1: %q", opt) } - switch con[0] { case "apparmor": s.ContainerSecurityConfig.ApparmorProfile = con[1] @@ -566,6 +565,14 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string s.Devices = append(s.Devices, specs.LinuxDevice{Path: dev}) } + for _, rule := range c.DeviceCGroupRule { + dev, err := parseLinuxResourcesDeviceAccess(rule) + if err != nil { + return err + } + s.DeviceCGroupRule = append(s.DeviceCGroupRule, dev) + } + s.Init = c.Init s.InitPath = c.InitPath s.Stdin = c.Interactive @@ -656,25 +663,40 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string } func makeHealthCheckFromCli(inCmd, interval string, retries uint, timeout, startPeriod string) (*manifest.Schema2HealthConfig, error) { + cmdArr := []string{} + isArr := true + err := json.Unmarshal([]byte(inCmd), &cmdArr) // array unmarshalling + if err != nil { + cmdArr = strings.SplitN(inCmd, " ", 2) // default for compat + isArr = false + } // Every healthcheck requires a command - if len(inCmd) == 0 { + if len(cmdArr) == 0 { return nil, errors.New("Must define a healthcheck command for all healthchecks") } - - // first try to parse option value as JSON array of strings... - cmd := []string{} - - if inCmd == "none" { - cmd = []string{"NONE"} - } else { - err := json.Unmarshal([]byte(inCmd), &cmd) - if err != nil { - // ...otherwise pass it to "/bin/sh -c" inside the container - cmd = []string{"CMD-SHELL", inCmd} + concat := "" + if cmdArr[0] == "CMD" || cmdArr[0] == "none" { // this is for compat, we are already split properly for most compat cases + cmdArr = strings.Fields(inCmd) + } else if cmdArr[0] != "CMD-SHELL" { // this is for podman side of things, wont contain the keywords + if isArr && len(cmdArr) > 1 { // an array of consecutive commands + cmdArr = append([]string{"CMD"}, cmdArr...) + } else { // one singular command + if len(cmdArr) == 1 { + concat = cmdArr[0] + } else { + concat = strings.Join(cmdArr[0:], " ") + } + cmdArr = append([]string{"CMD-SHELL"}, concat) } } + + if cmdArr[0] == "none" { // if specified to remove healtcheck + cmdArr = []string{"NONE"} + } + + // healthcheck is by default an array, so we simply pass the user input hc := manifest.Schema2HealthConfig{ - Test: cmd, + Test: cmdArr, } if interval == "disable" { @@ -885,3 +907,58 @@ func parseSecrets(secrets []string) ([]specgen.Secret, map[string]string, error) } return mount, envs, nil } + +var cgroupDeviceType = map[string]bool{ + "a": true, // all + "b": true, // block device + "c": true, // character device +} + +var cgroupDeviceAccess = map[string]bool{ + "r": true, //read + "w": true, //write + "m": true, //mknod +} + +// parseLinuxResourcesDeviceAccess parses the raw string passed with the --device-access-add flag +func parseLinuxResourcesDeviceAccess(device string) (specs.LinuxDeviceCgroup, error) { + var devType, access string + var major, minor *int64 + + value := strings.Split(device, " ") + if len(value) != 3 { + return specs.LinuxDeviceCgroup{}, fmt.Errorf("invalid device cgroup rule requires type, major:Minor, and access rules: %q", device) + } + + devType = value[0] + if !cgroupDeviceType[devType] { + return specs.LinuxDeviceCgroup{}, fmt.Errorf("invalid device type in device-access-add: %s", devType) + } + + number := strings.SplitN(value[1], ":", 2) + i, err := strconv.ParseInt(number[0], 10, 64) + if err != nil { + return specs.LinuxDeviceCgroup{}, err + } + major = &i + if len(number) == 2 && number[1] != "*" { + i, err := strconv.ParseInt(number[1], 10, 64) + if err != nil { + return specs.LinuxDeviceCgroup{}, err + } + minor = &i + } + access = value[2] + for _, c := range strings.Split(access, "") { + if !cgroupDeviceAccess[c] { + return specs.LinuxDeviceCgroup{}, fmt.Errorf("invalid device access in device-access-add: %s", c) + } + } + return specs.LinuxDeviceCgroup{ + Allow: true, + Type: devType, + Major: major, + Minor: minor, + Access: access, + }, nil +} |