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72 lines
2.6 KiB
Go
72 lines
2.6 KiB
Go
/*
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Copyright 2021 The KubeVela Authors.
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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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http://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 dryrun
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import (
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"context"
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"github.com/pkg/errors"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/oam-dev/kubevela/apis/core.oam.dev/v1alpha2"
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"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
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"github.com/oam-dev/kubevela/pkg/appfile"
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"github.com/oam-dev/kubevela/pkg/dsl/definition"
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"github.com/oam-dev/kubevela/pkg/oam"
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"github.com/oam-dev/kubevela/pkg/oam/discoverymapper"
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oamutil "github.com/oam-dev/kubevela/pkg/oam/util"
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)
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// DryRun executes dry-run on an application
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type DryRun interface {
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ExecuteDryRun(ctx context.Context, app *v1beta1.Application) (*v1alpha2.ApplicationConfiguration, []*v1alpha2.Component, error)
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}
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// NewDryRunOption creates a dry-run option
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func NewDryRunOption(c client.Client, dm discoverymapper.DiscoveryMapper, pd *definition.PackageDiscover, as []oam.Object) *Option {
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return &Option{c, dm, pd, as}
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}
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// Option contains options to execute dry-run
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type Option struct {
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Client client.Client
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DiscoveryMapper discoverymapper.DiscoveryMapper
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PackageDiscover *definition.PackageDiscover
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// Auxiliaries are capability definitions used to parse application.
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// DryRun will use capabilities in Auxiliaries as higher priority than
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// getting one from cluster.
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Auxiliaries []oam.Object
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}
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// ExecuteDryRun simulates applying an application into cluster and returns rendered
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// resoures but not persist them into cluster.
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func (d *Option) ExecuteDryRun(ctx context.Context, app *v1beta1.Application) (*v1alpha2.ApplicationConfiguration, []*v1alpha2.Component, error) {
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parser := appfile.NewDryRunApplicationParser(d.Client, d.DiscoveryMapper, d.PackageDiscover, d.Auxiliaries)
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if app.Namespace != "" {
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ctx = oamutil.SetNamespaceInCtx(ctx, app.Namespace)
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}
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appFile, err := parser.GenerateAppFile(ctx, app)
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if err != nil {
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return nil, nil, errors.WithMessage(err, "cannot generate appFile from application")
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}
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ac, comps, err := appFile.GenerateApplicationConfiguration()
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if err != nil {
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return nil, nil, errors.WithMessage(err, "cannot generate AppConfig and Components")
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}
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return ac, comps, nil
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}
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