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Move config options into dedicated struct #1379

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Nov 21, 2023
Merged

Move config options into dedicated struct #1379

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64 changes: 31 additions & 33 deletions cmd/controller/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,19 +4,14 @@ import (
"context"
"flag"
"fmt"
"github.com/pivotal/kpack/pkg/buildchange"
"log"
"net/http"
"os"
"time"

"github.com/pivotal/kpack/pkg/secret"

"github.com/pivotal/kpack/pkg/cosign"
"github.com/Masterminds/semver/v3"
"github.com/sigstore/cosign/v2/cmd/cosign/cli/sign"
ociremote "github.com/sigstore/cosign/v2/pkg/oci/remote"

"github.com/Masterminds/semver/v3"
"go.uber.org/zap"
"golang.org/x/sync/errgroup"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
Expand All @@ -39,13 +34,14 @@ import (

"github.com/pivotal/kpack/cmd"
_ "github.com/pivotal/kpack/internal/logrus/fatal"
buildapi "github.com/pivotal/kpack/pkg/apis/build/v1alpha2"
"github.com/pivotal/kpack/pkg/blob"
"github.com/pivotal/kpack/pkg/buildchange"
"github.com/pivotal/kpack/pkg/buildpod"
"github.com/pivotal/kpack/pkg/client/clientset/versioned"
"github.com/pivotal/kpack/pkg/client/informers/externalversions"
"github.com/pivotal/kpack/pkg/cnb"
"github.com/pivotal/kpack/pkg/config"
"github.com/pivotal/kpack/pkg/cosign"
"github.com/pivotal/kpack/pkg/dockercreds/k8sdockercreds"
"github.com/pivotal/kpack/pkg/duckbuilder"
"github.com/pivotal/kpack/pkg/flaghelpers"
Expand All @@ -62,30 +58,39 @@ import (
"github.com/pivotal/kpack/pkg/reconciler/lifecycle"
"github.com/pivotal/kpack/pkg/reconciler/sourceresolver"
"github.com/pivotal/kpack/pkg/registry"
"github.com/pivotal/kpack/pkg/secret"
)

const (
routinesPerController = 2
component = "controller"
)

var (
images config.Images
cfg config.Config
featureFlags config.FeatureFlags
)

var (
kubeconfig = flag.String("kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
masterURL = flag.String("master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")

buildInitImage = flag.String("build-init-image", os.Getenv("BUILD_INIT_IMAGE"), "The image used to initialize a build")
buildInitWindowsImage = flag.String("build-init-windows-image", os.Getenv("BUILD_INIT_WINDOWS_IMAGE"), "The image used to initialize a build on windows")
rebaseImage = flag.String("rebase-image", os.Getenv("REBASE_IMAGE"), "The image used to perform rebases")
completionImage = flag.String("completion-image", os.Getenv("COMPLETION_IMAGE"), "The image used to finish a build")
completionWindowsImage = flag.String("completion-windows-image", os.Getenv("COMPLETION_WINDOWS_IMAGE"), "The image used to finish a build on windows")
enablePriorityClasses = flag.Bool("enable-priority-classes", flaghelpers.GetEnvBool("ENABLE_PRIORITY_CLASSES", false), "if set to true, enables different pod priority classes for normal builds and automated builds")
maximumPlatformApiVersion = flag.String("maximum-platform-api-version", os.Getenv("MAXIMUM_PLATFORM_API_VERSION"), "The maximum allowed platform api version a build can utilize")
buildWaiterImage = flag.String("build-waiter-image", os.Getenv("BUILD_WAITER_IMAGE"), "The image used to initialize a build")
injectedSidecarSupport = flag.Bool("injected-sidecar-support", flaghelpers.GetEnvBool("INJECTED_SIDECAR_SUPPORT", false), "if set to true, all builds will execute in standard containers instead of init containers to support injected sidecars")
sshTrustUnknownHosts = flag.Bool("insecure-ssh-trust-unknown-hosts", flaghelpers.GetEnvBool("INSECURE_SSH_TRUST_UNKNOWN_HOSTS", true), "if set to true, automatically trust unknown hosts when using git ssh source")
)

func main() {
flag.StringVar(&images.BuildInitImage, "build-init-image", os.Getenv("BUILD_INIT_IMAGE"), "The image used to initialize a build")
flag.StringVar(&images.BuildInitWindowsImage, "build-init-windows-image", os.Getenv("BUILD_INIT_WINDOWS_IMAGE"), "The image used to initialize a build on windows")
flag.StringVar(&images.RebaseImage, "rebase-image", os.Getenv("REBASE_IMAGE"), "The image used to perform rebases")
flag.StringVar(&images.CompletionImage, "completion-image", os.Getenv("COMPLETION_IMAGE"), "The image used to finish a build")
flag.StringVar(&images.CompletionWindowsImage, "completion-windows-image", os.Getenv("COMPLETION_WINDOWS_IMAGE"), "The image used to finish a build on windows")
flag.StringVar(&images.BuildWaiterImage, "build-waiter-image", os.Getenv("BUILD_WAITER_IMAGE"), "The image used to initialize a build")

flag.BoolVar(&cfg.EnablePriorityClasses, "enable-priority-classes", flaghelpers.GetEnvBool("ENABLE_PRIORITY_CLASSES", false), "if set to true, enables different pod priority classes for normal builds and automated builds")
flag.StringVar(&cfg.MaximumPlatformApiVersion, "maximum-platform-api-version", os.Getenv("MAXIMUM_PLATFORM_API_VERSION"), "The maximum allowed platform api version a build can utilize")
flag.BoolVar(&cfg.SshTrustUnknownHosts, "insecure-ssh-trust-unknown-hosts", flaghelpers.GetEnvBool("INSECURE_SSH_TRUST_UNKNOWN_HOSTS", true), "if set to true, automatically trust unknown hosts when using git ssh source")

flag.BoolVar(&featureFlags.InjectedSidecarSupport, "injected-sidecar-support", flaghelpers.GetEnvBool("INJECTED_SIDECAR_SUPPORT", false), "if set to true, all builds will execute in standard containers instead of init containers to support injected sidecars")

flag.Parse()

clusterConfig, err := clientcmd.BuildConfigFromFlags(*masterURL, *kubeconfig)
Expand Down Expand Up @@ -164,24 +169,17 @@ func main() {
}

buildpodGenerator := &buildpod.Generator{
BuildPodConfig: buildapi.BuildPodImages{
BuildInitImage: *buildInitImage,
BuildWaiterImage: *buildWaiterImage,
CompletionImage: *completionImage,
RebaseImage: *rebaseImage,
BuildInitWindowsImage: *buildInitWindowsImage,
CompletionWindowsImage: *completionWindowsImage,
},
BuildPodConfig: images.ToBuildPodImages(),
K8sClient: k8sClient,
KeychainFactory: keychainFactory,
ImageFetcher: &registry.Client{},
DynamicClient: dynamicClient,
MaximumPlatformApiVersion: maxPlatformApi,
InjectedSidecarSupport: *injectedSidecarSupport,
SSHTrustUnknownHost: *sshTrustUnknownHosts,
InjectedSidecarSupport: featureFlags.InjectedSidecarSupport,
SSHTrustUnknownHost: cfg.SshTrustUnknownHosts,
}

gitResolver := git.NewResolver(k8sClient, *sshTrustUnknownHosts)
gitResolver := git.NewResolver(k8sClient, cfg.SshTrustUnknownHosts)
blobResolver := &blob.Resolver{}
registryResolver := &registry.Resolver{}

Expand Down Expand Up @@ -209,8 +207,8 @@ func main() {

secretFetcher := &secret.Fetcher{Client: k8sClient}

buildController := build.NewController(ctx, options, k8sClient, buildInformer, podInformer, metadataRetriever, buildpodGenerator, podProgressLogger, keychainFactory, *injectedSidecarSupport)
imageController := image.NewController(ctx, options, k8sClient, imageInformer, buildInformer, duckBuilderInformer, sourceResolverInformer, pvcInformer, *enablePriorityClasses)
buildController := build.NewController(ctx, options, k8sClient, buildInformer, podInformer, metadataRetriever, buildpodGenerator, podProgressLogger, keychainFactory, featureFlags.InjectedSidecarSupport)
imageController := image.NewController(ctx, options, k8sClient, imageInformer, buildInformer, duckBuilderInformer, sourceResolverInformer, pvcInformer, cfg.EnablePriorityClasses)
sourceResolverController := sourceresolver.NewController(ctx, options, sourceResolverInformer, gitResolver, blobResolver, registryResolver)
builderController, builderResync := builder.NewController(ctx, options, builderInformer, builderCreator, keychainFactory, clusterStoreInformer, buildpackInformer, clusterBuildpackInformer, clusterStackInformer, secretFetcher)
buildpackController := buildpack.NewController(ctx, options, keychainFactory, buildpackInformer, remoteStoreReader)
Expand Down Expand Up @@ -322,8 +320,8 @@ func waitForSync(stopCh <-chan struct{}, indexFormers ...cache.SharedIndexInform
}

func parseMaxPlatformApiVersion() (*semver.Version, error) {
if *maximumPlatformApiVersion != "" {
return semver.NewVersion(*maximumPlatformApiVersion)
if cfg.MaximumPlatformApiVersion != "" {
return semver.NewVersion(cfg.MaximumPlatformApiVersion)
}

return nil, nil
Expand Down
10 changes: 5 additions & 5 deletions pkg/apis/build/v1alpha2/build_pod.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,11 +71,11 @@ const (

var (
PrepareCommand = "/cnb/process/build-init"
AnalyzeCommand = "/cnb/lifecycle/analyzer"
DetectCommand = "/cnb/lifecycle/detector"
RestoreCommand = "/cnb/lifecycle/restorer"
BuildCommand = "/cnb/lifecycle/builder"
ExportCommand = "/cnb/lifecycle/exporter"
AnalyzeCommand = "/cnb/lifecycle/analyzer"
DetectCommand = "/cnb/lifecycle/detector"
RestoreCommand = "/cnb/lifecycle/restorer"
BuildCommand = "/cnb/lifecycle/builder"
ExportCommand = "/cnb/lifecycle/exporter"
CompletionCommand = "/cnb/process/completion"
RebaseCommand = "/cnb/process/rebase"
)
Expand Down
37 changes: 37 additions & 0 deletions pkg/config/config.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
package config

import "github.com/pivotal/kpack/pkg/apis/build/v1alpha2"

type Config struct {
EnablePriorityClasses bool `json:"enablePriorityClasses"`
MaximumPlatformApiVersion string `json:"maximumPlatformApiVersion"`
SshTrustUnknownHosts bool `json:"sshTrustUnknownHosts"`
}

type FeatureFlags struct {
InjectedSidecarSupport bool `json:"injectedSidecarSupport"`
}

type Images struct {
BuildInitImage string `json:"buildInitImage"`
BuildInitWindowsImage string `json:"buildInitWindowsImage"`
BuildWaiterImage string `json:"buildWaiterImage"`
CompletionImage string `json:"completionImage"`
CompletionWindowsImage string `json:"completionWindowsImage"`
RebaseImage string `json:"rebaseImage"`
}

// TODO: evaluate if we can move the lifecycle_provider stuff out of this config package
// Ideally v1alpha2.BuildPodImages should either just use config.Images directly or be an alias to it. However this
// doesn't work right now because lifecycle_provider.go imports pkg/cnb which imports pkg/apis/build/v1alpha2 and
// thus creating an import cycle.
func (i *Images) ToBuildPodImages() v1alpha2.BuildPodImages {
return v1alpha2.BuildPodImages{
BuildInitImage: i.BuildInitImage,
BuildInitWindowsImage: i.BuildInitWindowsImage,
BuildWaiterImage: i.BuildWaiterImage,
CompletionImage: i.CompletionImage,
CompletionWindowsImage: i.CompletionWindowsImage,
RebaseImage: i.RebaseImage,
}
}
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