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package utils
import (
"context"
"fmt"
"net/http"
"syscall"
"time"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
createconfig "github.com/containers/libpod/pkg/spec"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
// ContainerCreateResponse is the response struct for creating a container
type ContainerCreateResponse struct {
// ID of the container created
ID string `json:"id"`
// Warnings during container creation
Warnings []string `json:"Warnings"`
}
func KillContainer(w http.ResponseWriter, r *http.Request) (*libpod.Container, error) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Signal syscall.Signal `schema:"signal"`
}{
Signal: syscall.SIGKILL,
}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
return nil, err
}
name := GetName(r)
con, err := runtime.LookupContainer(name)
if err != nil {
ContainerNotFound(w, name, err)
return nil, err
}
state, err := con.State()
if err != nil {
InternalServerError(w, err)
return con, err
}
// If the Container is stopped already, send a 409
if state == define.ContainerStateStopped || state == define.ContainerStateExited {
Error(w, fmt.Sprintf("Container %s is not running", name), http.StatusConflict, errors.New(fmt.Sprintf("Cannot kill Container %s, it is not running", name)))
return con, err
}
err = con.Kill(uint(query.Signal))
if err != nil {
Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "unable to kill Container %s", name))
}
return con, err
}
func RemoveContainer(w http.ResponseWriter, r *http.Request, force, vols bool) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := GetName(r)
con, err := runtime.LookupContainer(name)
if err != nil {
ContainerNotFound(w, name, err)
return
}
if err := runtime.RemoveContainer(r.Context(), con, force, vols); err != nil {
InternalServerError(w, err)
return
}
WriteResponse(w, http.StatusNoContent, "")
}
func WaitContainer(w http.ResponseWriter, r *http.Request) (int32, error) {
var (
err error
interval time.Duration
)
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Interval string `schema:"interval"`
Condition string `schema:"condition"`
}{
// Override golang default values for types
}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
return 0, err
}
if _, found := r.URL.Query()["interval"]; found {
interval, err = time.ParseDuration(query.Interval)
if err != nil {
InternalServerError(w, err)
return 0, err
}
} else {
interval, err = time.ParseDuration("250ms")
if err != nil {
InternalServerError(w, err)
return 0, err
}
}
condition := define.ContainerStateStopped
if _, found := r.URL.Query()["condition"]; found {
condition, err = define.StringToContainerStatus(query.Condition)
if err != nil {
InternalServerError(w, err)
return 0, err
}
}
name := GetName(r)
con, err := runtime.LookupContainer(name)
if err != nil {
ContainerNotFound(w, name, err)
return 0, err
}
return con.WaitForConditionWithInterval(interval, condition)
}
// GenerateFilterFuncsFromMap is used to generate un-executed functions that can be used to filter
// containers. It is specifically designed for the RESTFUL API input.
func GenerateFilterFuncsFromMap(r *libpod.Runtime, filters map[string][]string) ([]libpod.ContainerFilter, error) {
var (
filterFuncs []libpod.ContainerFilter
)
for k, v := range filters {
for _, val := range v {
f, err := shared.GenerateContainerFilterFuncs(k, val, r)
if err != nil {
return filterFuncs, err
}
filterFuncs = append(filterFuncs, f)
}
}
return filterFuncs, nil
}
func CreateContainer(ctx context.Context, w http.ResponseWriter, runtime *libpod.Runtime, cc *createconfig.CreateConfig) {
var pod *libpod.Pod
ctr, err := shared.CreateContainerFromCreateConfig(runtime, cc, ctx, pod)
if err != nil {
Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "CreateContainerFromCreateConfig()"))
return
}
response := ContainerCreateResponse{
ID: ctr.ID(),
Warnings: []string{}}
WriteResponse(w, http.StatusCreated, response)
}
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