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Dockerfile-alpine.template

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  • diff.go 8.80 KiB
    /*
    Copyright 2022 The Flux authors
    
    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 build
    
    import (
    	"bytes"
    	"context"
    	"encoding/base64"
    	"fmt"
    	"io"
    	"os"
    	"path/filepath"
    	"sort"
    	"strings"
    
    	"github.com/fluxcd/flux2/pkg/printers"
    	kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
    	"github.com/fluxcd/pkg/ssa"
    	"github.com/gonvenience/bunt"
    	"github.com/gonvenience/ytbx"
    	"github.com/google/go-cmp/cmp"
    	"github.com/hashicorp/go-multierror"
    	"github.com/homeport/dyff/pkg/dyff"
    	"github.com/lucasb-eyer/go-colorful"
    	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
    	"k8s.io/apimachinery/pkg/runtime/schema"
    	"sigs.k8s.io/cli-utils/pkg/kstatus/polling"
    	"sigs.k8s.io/cli-utils/pkg/object"
    	"sigs.k8s.io/yaml"
    )
    
    func (b *Builder) Manager() (*ssa.ResourceManager, error) {
    	statusPoller := polling.NewStatusPoller(b.client, b.restMapper, polling.Options{})
    	owner := ssa.Owner{
    		Field: controllerName,
    		Group: controllerGroup,
    	}
    
    	return ssa.NewResourceManager(b.client, statusPoller, owner), nil
    }
    
    func (b *Builder) Diff() (string, bool, error) {
    	output := strings.Builder{}
    	createdOrDrifted := false
    	res, err := b.Build()
    	if err != nil {
    		return "", createdOrDrifted, err
    	}
    	// convert the build result into Kubernetes unstructured objects
    	objects, err := ssa.ReadObjects(bytes.NewReader(res))
    	if err != nil {
    		return "", createdOrDrifted, err
    	}
    
    	resourceManager, err := b.Manager()
    	if err != nil {