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//build !remoteclient
package main
import (
"fmt"
"os"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/libpod"
"github.com/pkg/errors"
)
// getAllOrLatestContainers tries to return the correct list of containers
// depending if --all, --latest or <container-id> is used.
// It requires the Context (c) and the Runtime (runtime). As different
// commands are using different container state for the --all option
// the desired state has to be specified in filterState. If no filter
// is desired a -1 can be used to get all containers. For a better
// error message, if the filter fails, a corresponding verb can be
// specified which will then appear in the error message.
func getAllOrLatestContainers(c *cliconfig.PodmanCommand, runtime *libpod.Runtime, filterState libpod.ContainerStatus, verb string) ([]*libpod.Container, error) {
var containers []*libpod.Container
var lastError error
var err error
if c.Bool("all") {
if filterState != -1 {
var filterFuncs []libpod.ContainerFilter
filterFuncs = append(filterFuncs, func(c *libpod.Container) bool {
state, _ := c.State()
return state == filterState
})
containers, err = runtime.GetContainers(filterFuncs...)
} else {
containers, err = runtime.GetContainers()
}
if err != nil {
return nil, errors.Wrapf(err, "unable to get %s containers", verb)
}
} else if c.Bool("latest") {
lastCtr, err := runtime.GetLatestContainer()
if err != nil {
return nil, errors.Wrapf(err, "unable to get latest container")
}
containers = append(containers, lastCtr)
} else {
args := c.InputArgs
for _, i := range args {
container, err := runtime.LookupContainer(i)
if err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "unable to find container %s", i)
}
if container != nil {
// This is here to make sure this does not return [<nil>] but only nil
containers = append(containers, container)
}
}
}
return containers, lastError
}
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