v2podman container create

create a container in podmanv2 using specgen approach.  this is the core implementation and still has quite a bit of code commented out specifically around volumes, devices, and namespaces.  need contributions from smes on these parts.

Signed-off-by: Brent Baude <bbaude@redhat.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/cmd/podmanV2/common/default.go b/cmd/podmanV2/common/default.go
new file mode 100644
index 000000000..fea161edf
--- /dev/null
+++ b/cmd/podmanV2/common/default.go
@@ -0,0 +1,121 @@
+package common
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/containers/buildah/pkg/parse"
+	"github.com/containers/libpod/pkg/apparmor"
+	"github.com/containers/libpod/pkg/cgroups"
+	"github.com/containers/libpod/pkg/rootless"
+	"github.com/containers/libpod/pkg/sysinfo"
+	"github.com/opencontainers/selinux/go-selinux"
+)
+
+// TODO these options are directly embedded into many of the CLI cobra values, as such
+// this approach will not work in a remote client. so we will need to likely do something like a
+// supported and unsupported approach here and backload these options into the specgen
+// once we are "on" the host system.
+func getDefaultSecurityOptions() []string {
+	securityOpts := []string{}
+	if defaultContainerConfig.Containers.SeccompProfile != "" && defaultContainerConfig.Containers.SeccompProfile != parse.SeccompDefaultPath {
+		securityOpts = append(securityOpts, fmt.Sprintf("seccomp=%s", defaultContainerConfig.Containers.SeccompProfile))
+	}
+	if apparmor.IsEnabled() && defaultContainerConfig.Containers.ApparmorProfile != "" {
+		securityOpts = append(securityOpts, fmt.Sprintf("apparmor=%s", defaultContainerConfig.Containers.ApparmorProfile))
+	}
+	if selinux.GetEnabled() && !defaultContainerConfig.Containers.EnableLabeling {
+		securityOpts = append(securityOpts, fmt.Sprintf("label=%s", selinux.DisableSecOpt()[0]))
+	}
+	return securityOpts
+}
+
+// getDefaultSysctls
+func getDefaultSysctls() []string {
+	return defaultContainerConfig.Containers.DefaultSysctls
+}
+
+func getDefaultVolumes() []string {
+	return defaultContainerConfig.Containers.Volumes
+}
+
+func getDefaultDevices() []string {
+	return defaultContainerConfig.Containers.Devices
+}
+
+func getDefaultDNSServers() []string { //nolint
+	return defaultContainerConfig.Containers.DNSServers
+}
+
+func getDefaultDNSSearches() []string { //nolint
+	return defaultContainerConfig.Containers.DNSSearches
+}
+
+func getDefaultDNSOptions() []string { //nolint
+	return defaultContainerConfig.Containers.DNSOptions
+}
+
+func getDefaultEnv() []string {
+	return defaultContainerConfig.Containers.Env
+}
+
+func getDefaultInitPath() string {
+	return defaultContainerConfig.Containers.InitPath
+}
+
+func getDefaultIPCNS() string {
+	return defaultContainerConfig.Containers.IPCNS
+}
+
+func getDefaultPidNS() string {
+	return defaultContainerConfig.Containers.PidNS
+}
+
+func getDefaultNetNS() string { //nolint
+	if defaultContainerConfig.Containers.NetNS == "private" && rootless.IsRootless() {
+		return "slirp4netns"
+	}
+	return defaultContainerConfig.Containers.NetNS
+}
+
+func getDefaultCgroupNS() string {
+	return defaultContainerConfig.Containers.CgroupNS
+}
+
+func getDefaultUTSNS() string {
+	return defaultContainerConfig.Containers.UTSNS
+}
+
+func getDefaultShmSize() string {
+	return defaultContainerConfig.Containers.ShmSize
+}
+
+func getDefaultUlimits() []string {
+	return defaultContainerConfig.Containers.DefaultUlimits
+}
+
+func getDefaultUserNS() string {
+	userns := os.Getenv("PODMAN_USERNS")
+	if userns != "" {
+		return userns
+	}
+	return defaultContainerConfig.Containers.UserNS
+}
+
+func getDefaultPidsLimit() int64 {
+	if rootless.IsRootless() {
+		cgroup2, _ := cgroups.IsCgroup2UnifiedMode()
+		if cgroup2 {
+			return defaultContainerConfig.Containers.PidsLimit
+		}
+	}
+	return sysinfo.GetDefaultPidsLimit()
+}
+
+func getDefaultPidsDescription() string {
+	return "Tune container pids limit (set 0 for unlimited)"
+}
+
+func getDefaultDetachKeys() string {
+	return defaultContainerConfig.Engine.DetachKeys
+}