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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"`
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, key, err := auth.GetCredentials(r)
if err != nil {
utils.Error(w, "failed to retrieve repository credentials", http.StatusBadRequest, errors.Wrapf(err, "failed to parse %q header for %s", key, r.URL.String()))
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,
Network: query.Network,
NoHosts: query.NoHosts,
Quiet: true,
LogDriver: query.LogDriver,
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)
}
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