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package compat
import (
"bytes"
"net/http"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/pkg/api/handlers"
"github.com/containers/podman/v2/pkg/api/handlers/utils"
"github.com/containers/podman/v2/pkg/domain/entities/reports"
"github.com/containers/podman/v2/pkg/domain/filters"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
func PruneContainers(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Filters map[string][]string `schema:"filters"`
}{}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
return
}
filterFuncs := make([]libpod.ContainerFilter, 0, len(query.Filters))
for k, v := range query.Filters {
generatedFunc, err := filters.GenerateContainerFilterFuncs(k, v, runtime)
if err != nil {
utils.InternalServerError(w, err)
return
}
filterFuncs = append(filterFuncs, generatedFunc)
}
report, err := PruneContainersHelper(r, filterFuncs)
if err != nil {
utils.InternalServerError(w, err)
return
}
// Libpod response differs
if utils.IsLibpodRequest(r) {
utils.WriteResponse(w, http.StatusOK, report)
return
}
var payload handlers.ContainersPruneReport
var errorMsg bytes.Buffer
for _, pr := range report {
if pr.Err != nil {
// Docker stops on first error vs. libpod which keeps going. Given API constraints, concatenate all errors
// and return that string.
errorMsg.WriteString(pr.Err.Error())
errorMsg.WriteString("; ")
continue
}
payload.ContainersDeleted = append(payload.ContainersDeleted, pr.Id)
payload.SpaceReclaimed += pr.Size
}
if errorMsg.Len() > 0 {
utils.InternalServerError(w, errors.New(errorMsg.String()))
return
}
utils.WriteResponse(w, http.StatusOK, payload)
}
func PruneContainersHelper(r *http.Request, filterFuncs []libpod.ContainerFilter) ([]*reports.PruneReport, error) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
report, err := runtime.PruneContainers(filterFuncs)
if err != nil {
return nil, err
}
return report, nil
}
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