package libpod import ( "io" "io/ioutil" "net" "net/http" "os" "github.com/containers/image/v5/types" "github.com/containers/podman/v3/libpod" "github.com/containers/podman/v3/pkg/api/handlers/utils" api "github.com/containers/podman/v3/pkg/api/types" "github.com/containers/podman/v3/pkg/auth" "github.com/containers/podman/v3/pkg/domain/entities" "github.com/containers/podman/v3/pkg/domain/infra/abi" "github.com/gorilla/schema" "github.com/pkg/errors" "github.com/sirupsen/logrus" ) func PlayKube(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) query := struct { Network []string `schema:"network"` TLSVerify bool `schema:"tlsVerify"` LogDriver string `schema:"logDriver"` LogOptions []string `schema:"logOptions"` Start bool `schema:"start"` StaticIPs []string `schema:"staticIPs"` StaticMACs []string `schema:"staticMACs"` NoHosts bool `schema:"noHosts"` }{ TLSVerify: true, Start: true, } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String())) return } staticIPs := make([]net.IP, 0, len(query.StaticIPs)) for _, ipString := range query.StaticIPs { ip := net.ParseIP(ipString) if ip == nil { utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, errors.Errorf("Invalid IP address %s", ipString)) return } staticIPs = append(staticIPs, ip) } staticMACs := make([]net.HardwareAddr, 0, len(query.StaticMACs)) for _, macString := range query.StaticMACs { mac, err := net.ParseMAC(macString) if err != nil { utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err) return } staticMACs = append(staticMACs, mac) } // Fetch the K8s YAML file from the body, and copy it to a temp file. tmpfile, err := ioutil.TempFile("", "libpod-play-kube.yml") if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) return } defer func() { if err := os.Remove(tmpfile.Name()); err != nil { logrus.Warn(err) } }() if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF { if err := tmpfile.Close(); err != nil { logrus.Warn(err) } utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file")) return } if err := tmpfile.Close(); err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "error closing temporary file")) return } authConf, authfile, err := auth.GetCredentials(r) if err != nil { utils.Error(w, "failed to retrieve repository credentials", http.StatusBadRequest, err) return } defer auth.RemoveAuthfile(authfile) var username, password string if authConf != nil { username = authConf.Username password = authConf.Password } containerEngine := abi.ContainerEngine{Libpod: runtime} options := entities.PlayKubeOptions{ Authfile: authfile, Username: username, Password: password, Networks: query.Network, NoHosts: query.NoHosts, Quiet: true, LogDriver: query.LogDriver, LogOptions: query.LogOptions, StaticIPs: staticIPs, StaticMACs: staticMACs, } if _, found := r.URL.Query()["tlsVerify"]; found { options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify) } if _, found := r.URL.Query()["start"]; found { options.Start = types.NewOptionalBool(query.Start) } report, err := containerEngine.PlayKube(r.Context(), tmpfile.Name(), options) if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "error playing YAML file")) return } utils.WriteResponse(w, http.StatusOK, report) } func PlayKubeDown(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) tmpfile, err := ioutil.TempFile("", "libpod-play-kube.yml") if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) return } defer func() { if err := os.Remove(tmpfile.Name()); err != nil { logrus.Warn(err) } }() if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF { if err := tmpfile.Close(); err != nil { logrus.Warn(err) } utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file")) return } if err := tmpfile.Close(); err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "error closing temporary file")) return } containerEngine := abi.ContainerEngine{Libpod: runtime} options := new(entities.PlayKubeDownOptions) report, err := containerEngine.PlayKubeDown(r.Context(), tmpfile.Name(), *options) if err != nil { utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "error tearing down YAML file")) return } utils.WriteResponse(w, http.StatusOK, report) }