nvidia-container-toolkit/pkg/config/engine/containerd/config_v2_test.go
Tariq Ibrahim f477dc0df1
fetch current container runtime config through the command line
Signed-off-by: Tariq Ibrahim <tibrahim@nvidia.com>

add default runtime binary path to runtimes field of toolkit config toml

Signed-off-by: Tariq Ibrahim <tibrahim@nvidia.com>

[no-relnote] Get low-level runtimes consistently

We ensure that we use the same low-level runtimes regardless
of the runtime engine being configured. This ensures consistent
behaviour.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

Co-authored-by: Evan Lezar <elezar@nvidia.com>

address review comment

Signed-off-by: Tariq Ibrahim <tibrahim@nvidia.com>
2024-10-10 01:13:20 -07:00

315 lines
10 KiB
Go

/**
# Copyright 2024 NVIDIA CORPORATION
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
**/
package containerd
import (
"testing"
testlog "github.com/sirupsen/logrus/hooks/test"
"github.com/stretchr/testify/require"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/config/toml"
)
func TestAddRuntime(t *testing.T) {
logger, _ := testlog.NewNullLogger()
testCases := []struct {
description string
config string
setAsDefault bool
expectedConfig string
expectedError error
}{
{
description: "empty config not default runtime",
expectedConfig: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test]
privileged_without_host_devices = false
runtime_engine = ""
runtime_root = ""
runtime_type = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test.options]
BinaryName = "/usr/bin/test"
`,
expectedError: nil,
},
{
description: "options from runc are imported",
config: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
BinaryName = "/usr/bin/runc"
SystemdCgroup = true
`,
expectedConfig: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
BinaryName = "/usr/bin/runc"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test.options]
BinaryName = "/usr/bin/test"
SystemdCgroup = true
`,
},
{
description: "options from default runtime are imported",
config: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "default"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default.options]
BinaryName = "/usr/bin/default"
SystemdCgroup = true
`,
expectedConfig: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "default"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default.options]
BinaryName = "/usr/bin/default"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test.options]
BinaryName = "/usr/bin/test"
SystemdCgroup = true
`,
},
{
description: "options from the default runtime take precedence over runc",
config: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "default"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
BinaryName = "/usr/bin/runc"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default]
privileged_without_host_devices = false
runtime_engine = "defaultengine"
runtime_root = "defaultroot"
runtime_type = "defaulttype"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default.options]
BinaryName = "/usr/bin/default"
SystemdCgroup = false
`,
expectedConfig: `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "default"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
privileged_without_host_devices = true
runtime_engine = "engine"
runtime_root = "root"
runtime_type = "type"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
BinaryName = "/usr/bin/runc"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default]
privileged_without_host_devices = false
runtime_engine = "defaultengine"
runtime_root = "defaultroot"
runtime_type = "defaulttype"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.default.options]
BinaryName = "/usr/bin/default"
SystemdCgroup = false
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test]
privileged_without_host_devices = false
runtime_engine = "defaultengine"
runtime_root = "defaultroot"
runtime_type = "defaulttype"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.test.options]
BinaryName = "/usr/bin/test"
SystemdCgroup = false
`,
},
}
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
cfg, err := toml.Load(tc.config)
require.NoError(t, err)
expectedConfig, err := toml.Load(tc.expectedConfig)
require.NoError(t, err)
c := &Config{
Logger: logger,
Tree: cfg,
}
err = c.AddRuntime("test", "/usr/bin/test", tc.setAsDefault)
require.NoError(t, err)
require.EqualValues(t, expectedConfig.String(), cfg.String())
})
}
}
func TestGetRuntimeConfig(t *testing.T) {
logger, _ := testlog.NewNullLogger()
config := `
version = 2
[plugins]
[plugins."io.containerd.grpc.v1.cri"]
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "nvidia"
disable_snapshot_annotations = true
discard_unpacked_layers = false
ignore_blockio_not_enabled_errors = false
ignore_rdt_not_enabled_errors = false
no_pivot = false
snapshotter = "overlayfs"
[plugins."io.containerd.grpc.v1.cri".containerd.default_runtime]
base_runtime_spec = ""
cni_conf_dir = ""
cni_max_conf_num = 0
container_annotations = []
pod_annotations = []
privileged_without_host_devices = false
privileged_without_host_devices_all_devices_allowed = false
runtime_engine = ""
runtime_path = ""
runtime_root = ""
runtime_type = ""
sandbox_mode = ""
snapshotter = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
base_runtime_spec = ""
cni_conf_dir = ""
cni_max_conf_num = 0
container_annotations = []
pod_annotations = []
privileged_without_host_devices = false
privileged_without_host_devices_all_devices_allowed = false
runtime_engine = ""
runtime_path = ""
runtime_root = ""
runtime_type = "io.containerd.runc.v2"
sandbox_mode = "podsandbox"
snapshotter = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
BinaryName = "/usr/bin/runc"
CriuImagePath = ""
CriuPath = ""
CriuWorkPath = ""
IoGid = 0
IoUid = 0
NoNewKeyring = false
NoPivotRoot = false
Root = ""
ShimCgroup = ""
SystemdCgroup = false
`
testCases := []struct {
description string
runtime string
expected string
expectedError error
}{
{
description: "valid runtime config, existing runtime",
runtime: "runc",
expected: "/usr/bin/runc",
expectedError: nil,
},
{
description: "valid runtime config, non-existing runtime",
runtime: "some-other-runtime",
expected: "",
expectedError: nil,
},
}
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
cfg, err := toml.Load(config)
require.NoError(t, err)
c := &Config{
Logger: logger,
Tree: cfg,
}
rc, err := c.GetRuntimeConfig(tc.runtime)
require.Equal(t, tc.expectedError, err)
require.Equal(t, tc.expected, rc.GetBinaryPath())
})
}
}