d78cbe96a1
This also moves KRM related logic from executors package to container package, and creates ClientV1Alpha1 interface that would allow us to have versioned clients for generic container executor. Change-Id: I4b32fd8dd089b9ccea2ed64a805702e6a8705706
134 lines
3.5 KiB
Go
134 lines
3.5 KiB
Go
/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package container
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import (
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"context"
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"fmt"
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"io"
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"sigs.k8s.io/kustomize/kyaml/fn/runtime/runtimeutil"
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"sigs.k8s.io/kustomize/kyaml/runfn"
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kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
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"sigs.k8s.io/yaml"
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"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
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"opendev.org/airship/airshipctl/pkg/errors"
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)
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// ClientV1Alpha1 provides airship generic container API
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// TODO add generic mock for this client
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type ClientV1Alpha1 interface {
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Run() error
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}
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// ClientV1Alpha1FactoryFunc used for tests
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type ClientV1Alpha1FactoryFunc func(
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resultsDir string,
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input io.Reader,
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output io.Writer,
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conf *v1alpha1.GenericContainer) ClientV1Alpha1
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type clientV1Alpha1 struct {
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resultsDir string
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input io.Reader
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output io.Writer
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conf *v1alpha1.GenericContainer
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containerFunc containerFunc
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}
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type containerFunc func(ctx context.Context, driver string, url string) (Container, error)
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// NewClientV1Alpha1 constructor for ClientV1Alpha1
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func NewClientV1Alpha1(
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resultsDir string,
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input io.Reader,
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output io.Writer,
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conf *v1alpha1.GenericContainer) ClientV1Alpha1 {
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return &clientV1Alpha1{
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resultsDir: resultsDir,
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output: output,
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input: input,
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conf: conf,
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containerFunc: NewContainer,
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}
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}
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// Run will peform container run action based on the configuration
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func (c *clientV1Alpha1) Run() error {
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// set default runtime
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switch c.conf.Spec.Type {
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case v1alpha1.GenericContainerTypeAirship, "":
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return errors.ErrNotImplemented{What: "airship generic container type"}
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case v1alpha1.GenericContainerTypeKrm:
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return c.runKRM()
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default:
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return fmt.Errorf("uknown generic container type %s", c.conf.Spec.Type)
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}
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}
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func (c *clientV1Alpha1) runKRM() error {
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mounts := convertKRMMount(c.conf.Spec.StorageMounts)
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fns := &runfn.RunFns{
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Network: c.conf.Spec.HostNetwork,
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AsCurrentUser: true,
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Path: c.resultsDir,
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Input: c.input,
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Output: c.output,
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StorageMounts: mounts,
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ContinueOnEmptyResult: true,
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}
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function, err := kyaml.Parse(c.conf.Config)
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if err != nil {
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return err
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}
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// Transform GenericContainer.Spec to annotation,
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// because we need to specify runFns config in annotation
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spec, err := yaml.Marshal(runtimeutil.FunctionSpec{
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Container: runtimeutil.ContainerSpec{
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Image: c.conf.Spec.Image,
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Network: c.conf.Spec.HostNetwork,
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Env: c.conf.Spec.EnvVars,
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StorageMounts: mounts,
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},
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})
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if err != nil {
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return err
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}
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annotation := kyaml.SetAnnotation(runtimeutil.FunctionAnnotationKey, string(spec))
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_, err = annotation.Filter(function)
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if err != nil {
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return err
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}
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fns.Functions = []*kyaml.RNode{function}
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return fns.Execute()
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}
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func convertKRMMount(airMounts []v1alpha1.StorageMount) (fnsMounts []runtimeutil.StorageMount) {
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for _, mount := range airMounts {
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fnsMounts = append(fnsMounts, runtimeutil.StorageMount{
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MountType: mount.MountType,
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Src: mount.Src,
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DstPath: mount.DstPath,
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ReadWriteMode: mount.ReadWriteMode,
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})
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}
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return fnsMounts
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}
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