diff options
Diffstat (limited to 'pkg/spec')
-rw-r--r-- | pkg/spec/spec.go | 16 | ||||
-rw-r--r-- | pkg/spec/storage.go | 106 |
2 files changed, 26 insertions, 96 deletions
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go index 15c8c77fa..c94746767 100644 --- a/pkg/spec/spec.go +++ b/pkg/spec/spec.go @@ -552,7 +552,7 @@ func addPidNS(config *CreateConfig, g *generate.Generator) error { func addUserNS(config *CreateConfig, g *generate.Generator) error { if IsNS(string(config.UsernsMode)) { - if err := g.AddOrReplaceLinuxNamespace(spec.UserNamespace, NS(string(config.UsernsMode))); err != nil { + if err := g.AddOrReplaceLinuxNamespace(string(spec.UserNamespace), NS(string(config.UsernsMode))); err != nil { return err } // runc complains if no mapping is specified, even if we join another ns. So provide a dummy mapping @@ -561,7 +561,7 @@ func addUserNS(config *CreateConfig, g *generate.Generator) error { } if (len(config.IDMappings.UIDMap) > 0 || len(config.IDMappings.GIDMap) > 0) && !config.UsernsMode.IsHost() { - if err := g.AddOrReplaceLinuxNamespace(spec.UserNamespace, ""); err != nil { + if err := g.AddOrReplaceLinuxNamespace(string(spec.UserNamespace), ""); err != nil { return err } } @@ -572,7 +572,7 @@ func addNetNS(config *CreateConfig, g *generate.Generator) error { netMode := config.NetMode if netMode.IsHost() { logrus.Debug("Using host netmode") - return g.RemoveLinuxNamespace(spec.NetworkNamespace) + return g.RemoveLinuxNamespace(string(spec.NetworkNamespace)) } else if netMode.IsNone() { logrus.Debug("Using none netmode") return nil @@ -584,7 +584,7 @@ func addNetNS(config *CreateConfig, g *generate.Generator) error { return nil } else if IsNS(string(netMode)) { logrus.Debug("Using ns netmode") - return g.AddOrReplaceLinuxNamespace(spec.NetworkNamespace, NS(string(netMode))) + return g.AddOrReplaceLinuxNamespace(string(spec.NetworkNamespace), NS(string(netMode))) } else if IsPod(string(netMode)) { logrus.Debug("Using pod netmode, unless pod is not sharing") return nil @@ -604,7 +604,7 @@ func addUTSNS(config *CreateConfig, g *generate.Generator) error { return g.AddOrReplaceLinuxNamespace(string(spec.UTSNamespace), NS(string(utsMode))) } if utsMode.IsHost() { - return g.RemoveLinuxNamespace(spec.UTSNamespace) + return g.RemoveLinuxNamespace(string(spec.UTSNamespace)) } return nil } @@ -615,7 +615,7 @@ func addIpcNS(config *CreateConfig, g *generate.Generator) error { return g.AddOrReplaceLinuxNamespace(string(spec.IPCNamespace), NS(string(ipcMode))) } if ipcMode.IsHost() { - return g.RemoveLinuxNamespace(spec.IPCNamespace) + return g.RemoveLinuxNamespace(string(spec.IPCNamespace)) } if ipcMode.IsContainer() { logrus.Debug("Using container ipcmode") @@ -630,10 +630,10 @@ func addCgroupNS(config *CreateConfig, g *generate.Generator) error { return g.AddOrReplaceLinuxNamespace(string(spec.CgroupNamespace), NS(string(cgroupMode))) } if cgroupMode.IsHost() { - return g.RemoveLinuxNamespace(spec.CgroupNamespace) + return g.RemoveLinuxNamespace(string(spec.CgroupNamespace)) } if cgroupMode.IsPrivate() { - return g.AddOrReplaceLinuxNamespace(spec.CgroupNamespace, "") + return g.AddOrReplaceLinuxNamespace(string(spec.CgroupNamespace), "") } if cgroupMode.IsContainer() { logrus.Debug("Using container cgroup mode") diff --git a/pkg/spec/storage.go b/pkg/spec/storage.go index 88f1f6dc1..ac7a2c30f 100644 --- a/pkg/spec/storage.go +++ b/pkg/spec/storage.go @@ -7,6 +7,7 @@ import ( "path/filepath" "strings" + "github.com/containers/buildah/pkg/parse" "github.com/containers/libpod/libpod" "github.com/containers/libpod/pkg/util" "github.com/containers/storage/pkg/stringid" @@ -248,8 +249,11 @@ func (config *CreateConfig) getVolumesFrom(runtime *libpod.Runtime) (map[string] finalNamedVolumes := make(map[string]*libpod.ContainerNamedVolume) for _, vol := range config.VolumesFrom { - options := []string{} - splitVol := strings.SplitN(vol, ":", 2) + var ( + options = []string{} + err error + splitVol = strings.SplitN(vol, ":", 2) + ) if len(splitVol) == 2 { if strings.Contains(splitVol[1], "Z") || strings.Contains(splitVol[1], "private") || @@ -257,12 +261,10 @@ func (config *CreateConfig) getVolumesFrom(runtime *libpod.Runtime) (map[string] strings.Contains(splitVol[1], "shared") { return nil, nil, errors.Errorf("invalid options %q, can only specify 'ro', 'rw', and 'z", splitVol[1]) } - options = strings.Split(splitVol[1], ",") - opts, err := ValidateVolumeOpts(options) - if err != nil { + + if options, err = parse.ValidateVolumeOpts(strings.Split(splitVol[1], ",")); err != nil { return nil, nil, err } - options = opts } ctr, err := runtime.LookupContainer(splitVol[0]) if err != nil { @@ -429,7 +431,7 @@ func getBindMount(args []string) (spec.Mount, error) { if len(kv) == 1 { return newMount, errors.Wrapf(optionArgError, kv[0]) } - if err := ValidateVolumeHostDir(kv[1]); err != nil { + if err := parse.ValidateVolumeHostDir(kv[1]); err != nil { return newMount, err } newMount.Source = kv[1] @@ -438,7 +440,7 @@ func getBindMount(args []string) (spec.Mount, error) { if len(kv) == 1 { return newMount, errors.Wrapf(optionArgError, kv[0]) } - if err := ValidateVolumeCtrDir(kv[1]); err != nil { + if err := parse.ValidateVolumeCtrDir(kv[1]); err != nil { return newMount, err } newMount.Destination = kv[1] @@ -456,12 +458,11 @@ func getBindMount(args []string) (spec.Mount, error) { newMount.Source = newMount.Destination } - opts, err := ValidateVolumeOpts(newMount.Options) + options, err := parse.ValidateVolumeOpts(newMount.Options) if err != nil { return newMount, err } - newMount.Options = opts - + newMount.Options = options return newMount, nil } @@ -495,7 +496,7 @@ func getTmpfsMount(args []string) (spec.Mount, error) { if len(kv) == 1 { return newMount, errors.Wrapf(optionArgError, kv[0]) } - if err := ValidateVolumeCtrDir(kv[1]); err != nil { + if err := parse.ValidateVolumeCtrDir(kv[1]); err != nil { return newMount, err } newMount.Destination = kv[1] @@ -539,7 +540,7 @@ func getNamedVolume(args []string) (*libpod.ContainerNamedVolume, error) { if len(kv) == 1 { return nil, errors.Wrapf(optionArgError, kv[0]) } - if err := ValidateVolumeCtrDir(kv[1]); err != nil { + if err := parse.ValidateVolumeCtrDir(kv[1]); err != nil { return nil, err } newVolume.Dest = kv[1] @@ -559,75 +560,6 @@ func getNamedVolume(args []string) (*libpod.ContainerNamedVolume, error) { return newVolume, nil } -// ValidateVolumeHostDir validates a volume mount's source directory -func ValidateVolumeHostDir(hostDir string) error { - if len(hostDir) == 0 { - return errors.Errorf("host directory cannot be empty") - } - if filepath.IsAbs(hostDir) { - if _, err := os.Stat(hostDir); err != nil { - return errors.Wrapf(err, "error checking path %q", hostDir) - } - } - // If hostDir is not an absolute path, that means the user wants to create a - // named volume. This will be done later on in the code. - return nil -} - -// ValidateVolumeCtrDir validates a volume mount's destination directory. -func ValidateVolumeCtrDir(ctrDir string) error { - if len(ctrDir) == 0 { - return errors.Errorf("container directory cannot be empty") - } - if !filepath.IsAbs(ctrDir) { - return errors.Errorf("invalid container path %q, must be an absolute path", ctrDir) - } - return nil -} - -// ValidateVolumeOpts validates a volume's options -func ValidateVolumeOpts(options []string) ([]string, error) { - var foundRootPropagation, foundRWRO, foundLabelChange, bindType int - finalOpts := make([]string, 0, len(options)) - for _, opt := range options { - switch opt { - case "rw", "ro": - foundRWRO++ - if foundRWRO > 1 { - return nil, errors.Errorf("invalid options %q, can only specify 1 'rw' or 'ro' option", strings.Join(options, ", ")) - } - case "z", "Z": - foundLabelChange++ - if foundLabelChange > 1 { - return nil, errors.Errorf("invalid options %q, can only specify 1 'z' or 'Z' option", strings.Join(options, ", ")) - } - case "private", "rprivate", "shared", "rshared", "slave", "rslave": - foundRootPropagation++ - if foundRootPropagation > 1 { - return nil, errors.Errorf("invalid options %q, can only specify 1 '[r]shared', '[r]private' or '[r]slave' option", strings.Join(options, ", ")) - } - case "bind", "rbind": - bindType++ - if bindType > 1 { - return nil, errors.Errorf("invalid options %q, can only specify 1 '[r]bind' option", strings.Join(options, ", ")) - } - case "cached", "delegated": - // The discarded ops are OS X specific volume options - // introduced in a recent Docker version. - // They have no meaning on Linux, so here we silently - // drop them. This matches Docker's behavior (the options - // are intended to be always safe to use, even not on OS - // X). - continue - default: - return nil, errors.Errorf("invalid mount option %q", opt) - } - finalOpts = append(finalOpts, opt) - } - return finalOpts, nil -} - -// GetVolumeMounts takes user provided input for bind mounts and creates Mount structs func (config *CreateConfig) getVolumeMounts() (map[string]spec.Mount, map[string]*libpod.ContainerNamedVolume, error) { mounts := make(map[string]spec.Mount) volumes := make(map[string]*libpod.ContainerNamedVolume) @@ -639,6 +571,7 @@ func (config *CreateConfig) getVolumeMounts() (map[string]spec.Mount, map[string options []string src string dest string + err error ) splitVol := strings.Split(vol, ":") @@ -653,18 +586,15 @@ func (config *CreateConfig) getVolumeMounts() (map[string]spec.Mount, map[string dest = splitVol[1] } if len(splitVol) > 2 { - options = strings.Split(splitVol[2], ",") - opts, err := ValidateVolumeOpts(options) - if err != nil { + if options, err = parse.ValidateVolumeOpts(strings.Split(splitVol[2], ",")); err != nil { return nil, nil, err } - options = opts } - if err := ValidateVolumeHostDir(src); err != nil { + if err := parse.ValidateVolumeHostDir(src); err != nil { return nil, nil, err } - if err := ValidateVolumeCtrDir(dest); err != nil { + if err := parse.ValidateVolumeCtrDir(dest); err != nil { return nil, nil, err } |