DockerCLI/opts/ulimit.go

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package opts
import (
"fmt"
"sort"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-units"
)
// UlimitOpt defines a map of Ulimits
type UlimitOpt struct {
values *map[string]*container.Ulimit
}
// NewUlimitOpt creates a new UlimitOpt. Ulimits are not validated.
func NewUlimitOpt(ref *map[string]*container.Ulimit) *UlimitOpt {
// TODO(thaJeztah): why do we need a map with pointers here?
if ref == nil {
ref = &map[string]*container.Ulimit{}
}
return &UlimitOpt{ref}
}
// Set validates a Ulimit and sets its name as a key in UlimitOpt
func (o *UlimitOpt) Set(val string) error {
// FIXME(thaJeztah): these functions also need to be moved over from go-units.
l, err := units.ParseUlimit(val)
if err != nil {
return err
}
(*o.values)[l.Name] = l
return nil
}
// String returns Ulimit values as a string. Values are sorted by name.
func (o *UlimitOpt) String() string {
linting: Consider pre-allocating sliceVar (prealloc) While updating, also addressed some redundant fmt.Sprintf() opts/throttledevice.go:86:2: Consider pre-allocating `out` (prealloc) var out []string ^ opts/ulimit.go:37:2: Consider pre-allocating `out` (prealloc) var out []string ^ opts/ulimit.go:47:2: Consider pre-allocating `ulimits` (prealloc) var ulimits []*units.Ulimit ^ opts/weightdevice.go:68:2: Consider pre-allocating `out` (prealloc) var out []string ^ cli/context/store/metadatastore.go:96:2: Consider pre-allocating `res` (prealloc) var res []Metadata ^ cli/context/store/store.go:127:2: Consider pre-allocating `names` (prealloc) var names []string ^ cli/compose/loader/loader.go:223:2: Consider pre-allocating `keys` (prealloc) var keys []string ^ cli/compose/loader/loader.go:397:2: Consider pre-allocating `services` (prealloc) var services []types.ServiceConfig ^ cli/command/stack/loader/loader.go:63:2: Consider pre-allocating `msgs` (prealloc) var msgs []string ^ cli/command/stack/loader/loader.go:118:2: Consider pre-allocating `configFiles` (prealloc) var configFiles []composetypes.ConfigFile ^ cli/command/formatter/container.go:245:2: Consider pre-allocating `joinLabels` (prealloc) var joinLabels []string ^ cli/command/formatter/container.go:265:2: Consider pre-allocating `mounts` (prealloc) var mounts []string ^ cli/command/formatter/container.go:316:2: Consider pre-allocating `result` (prealloc) var result []string ^ cli/command/formatter/displayutils.go:43:2: Consider pre-allocating `display` (prealloc) var ( ^ cli/command/formatter/volume.go:103:2: Consider pre-allocating `joinLabels` (prealloc) var joinLabels []string ^ cli-plugins/manager/manager_test.go:49:2: Consider pre-allocating `dirs` (prealloc) var dirs []string ^ cli/command/swarm/init.go:69:2: Consider pre-allocating `defaultAddrPool` (prealloc) var defaultAddrPool []string ^ cli/command/manifest/push.go:195:2: Consider pre-allocating `blobReqs` (prealloc) var blobReqs []manifestBlob ^ cli/command/secret/formatter.go:111:2: Consider pre-allocating `joinLabels` (prealloc) var joinLabels []string ^ cli/command/network/formatter.go:104:2: Consider pre-allocating `joinLabels` (prealloc) var joinLabels []string ^ cli/command/context/list.go:52:2: Consider pre-allocating `contexts` (prealloc) var contexts []*formatter.ClientContext ^ cli/command/config/formatter.go:104:2: Consider pre-allocating `joinLabels` (prealloc) var joinLabels []string ^ cli/command/trust/common_test.go:23:2: Consider pre-allocating `targetNames` (prealloc) var targetNames []string ^ cli/command/service/generic_resource_opts.go:55:2: Consider pre-allocating `generic` (prealloc) var generic []swarm.GenericResource ^ cli/command/service/generic_resource_opts.go:98:2: Consider pre-allocating `l` (prealloc) var l []swarm.GenericResource ^ cli/command/service/opts.go:378:2: Consider pre-allocating `netAttach` (prealloc) var netAttach []swarm.NetworkAttachmentConfig ^ cli/command/service/update.go:731:2: Consider pre-allocating `limits` (prealloc) var limits []*units.Ulimit ^ cli/command/service/update.go:1315:2: Consider pre-allocating `newNetworks` (prealloc) var newNetworks []swarm.NetworkAttachmentConfig ^ cli/command/service/update.go:1514:2: Consider pre-allocating `out` (prealloc) var out []string ^ cli/compose/convert/service.go:713:2: Consider pre-allocating `ulimits` (prealloc) var ulimits []*units.Ulimit ^ cli/compose/convert/volume.go:13:2: Consider pre-allocating `mounts` (prealloc) var mounts []mount.Mount ^ cli/command/stack/swarm/list.go:39:2: Consider pre-allocating `stacks` (prealloc) var stacks []*formatter.Stack ^ Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2022-09-03 14:07:29 -04:00
out := make([]string, 0, len(*o.values))
for _, v := range *o.values {
out = append(out, v.String())
}
sort.Strings(out)
return fmt.Sprintf("%v", out)
}
// GetList returns a slice of pointers to Ulimits. Values are sorted by name.
func (o *UlimitOpt) GetList() []*container.Ulimit {
ulimits := make([]*container.Ulimit, 0, len(*o.values))
for _, v := range *o.values {
ulimits = append(ulimits, v)
}
sort.SliceStable(ulimits, func(i, j int) bool {
return ulimits[i].Name < ulimits[j].Name
})
return ulimits
}
// Type returns the option type
func (o *UlimitOpt) Type() string {
return "ulimit"
}