Files
Niall Crowe d856fb43e1 Add "podman kube generate" command
"podman kube generate" creates Kubernetes YAML from Podman containers,
pods or volumes. Users will still be able to use "podman generate
kube" as an alias of "kube generate".

Signed-off-by: Niall Crowe <nicrowe@redhat.com>
2022-08-11 16:58:24 +01:00

128 lines
3.8 KiB
Go

package libpod
import (
"fmt"
"net"
"net/http"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v4/libpod"
"github.com/containers/podman/v4/pkg/api/handlers/utils"
api "github.com/containers/podman/v4/pkg/api/types"
"github.com/containers/podman/v4/pkg/auth"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/containers/podman/v4/pkg/domain/infra/abi"
"github.com/gorilla/schema"
)
func KubePlay(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder)
query := struct {
Annotations map[string]string `schema:"annotations"`
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.StatusBadRequest, fmt.Errorf("failed to parse parameters for %s: %w", r.URL.String(), err))
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.StatusBadRequest, fmt.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.StatusBadRequest, err)
return
}
staticMACs = append(staticMACs, mac)
}
authConf, authfile, err := auth.GetCredentials(r)
if err != nil {
utils.Error(w, http.StatusBadRequest, err)
return
}
defer auth.RemoveAuthfile(authfile)
var username, password string
if authConf != nil {
username = authConf.Username
password = authConf.Password
}
logDriver := query.LogDriver
if logDriver == "" {
config, err := runtime.GetConfig()
if err != nil {
utils.Error(w, http.StatusInternalServerError, err)
return
}
logDriver = config.Containers.LogDriver
}
containerEngine := abi.ContainerEngine{Libpod: runtime}
options := entities.PlayKubeOptions{
Annotations: query.Annotations,
Authfile: authfile,
Username: username,
Password: password,
Networks: query.Network,
NoHosts: query.NoHosts,
Quiet: true,
LogDriver: 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(), r.Body, options)
_ = r.Body.Close()
if err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("error playing YAML file: %w", err))
return
}
utils.WriteResponse(w, http.StatusOK, report)
}
func KubePlayDown(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
containerEngine := abi.ContainerEngine{Libpod: runtime}
options := new(entities.PlayKubeDownOptions)
report, err := containerEngine.PlayKubeDown(r.Context(), r.Body, *options)
_ = r.Body.Close()
if err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("error tearing down YAML file: %w", err))
return
}
utils.WriteResponse(w, http.StatusOK, report)
}
func KubeGenerate(w http.ResponseWriter, r *http.Request) {
GenerateKube(w, r)
}