mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
430 lines
14 KiB
Go
430 lines
14 KiB
Go
/*
|
|
Copyright (c) Edgeless Systems GmbH
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
package helm
|
|
|
|
import (
|
|
"bytes"
|
|
"embed"
|
|
"fmt"
|
|
"io/fs"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
"helm.sh/helm/pkg/ignore"
|
|
"helm.sh/helm/v3/pkg/chart"
|
|
"helm.sh/helm/v3/pkg/chart/loader"
|
|
|
|
"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
|
|
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
|
|
"github.com/edgelesssys/constellation/v2/internal/config"
|
|
"github.com/edgelesssys/constellation/v2/internal/constants"
|
|
"github.com/edgelesssys/constellation/v2/internal/helm/imageversion"
|
|
"github.com/edgelesssys/constellation/v2/internal/kms/uri"
|
|
"github.com/edgelesssys/constellation/v2/internal/semver"
|
|
"github.com/edgelesssys/constellation/v2/internal/state"
|
|
"github.com/edgelesssys/constellation/v2/internal/versions"
|
|
)
|
|
|
|
// Run `go generate` to download (and patch) upstream helm charts.
|
|
//go:generate ./generateCilium.sh
|
|
//go:generate ./update-csi-charts.sh
|
|
//go:generate ./generateCertManager.sh
|
|
//go:generate ./update-aws-load-balancer-chart.sh
|
|
|
|
//go:embed all:charts/*
|
|
var helmFS embed.FS
|
|
|
|
type chartInfo struct {
|
|
releaseName string
|
|
chartName string
|
|
path string
|
|
}
|
|
|
|
var (
|
|
// Charts we fetch from an upstream with real versions.
|
|
ciliumInfo = chartInfo{releaseName: "cilium", chartName: "cilium", path: "charts/cilium"}
|
|
certManagerInfo = chartInfo{releaseName: "cert-manager", chartName: "cert-manager", path: "charts/cert-manager"}
|
|
awsLBControllerInfo = chartInfo{releaseName: "aws-load-balancer-controller", chartName: "aws-load-balancer-controller", path: "charts/aws-load-balancer-controller"}
|
|
|
|
// Bundled charts with embedded with version 0.0.0.
|
|
constellationOperatorsInfo = chartInfo{releaseName: "constellation-operators", chartName: "constellation-operators", path: "charts/edgeless/operators"}
|
|
constellationServicesInfo = chartInfo{releaseName: "constellation-services", chartName: "constellation-services", path: "charts/edgeless/constellation-services"}
|
|
csiInfo = chartInfo{releaseName: "constellation-csi", chartName: "constellation-csi", path: "charts/edgeless/csi"}
|
|
)
|
|
|
|
// chartLoader loads embedded helm charts.
|
|
type chartLoader struct {
|
|
csp cloudprovider.Provider
|
|
attestationVariant variant.Variant
|
|
joinServiceImage string
|
|
keyServiceImage string
|
|
ccmImage string // cloud controller manager image
|
|
azureCNMImage string // Azure cloud node manager image
|
|
autoscalerImage string
|
|
verificationServiceImage string
|
|
gcpGuestAgentImage string
|
|
konnectivityImage string
|
|
constellationOperatorImage string
|
|
nodeMaintenanceOperatorImage string
|
|
clusterName string
|
|
stateFile *state.State
|
|
cliVersion semver.Semver
|
|
}
|
|
|
|
// newLoader creates a new ChartLoader.
|
|
func newLoader(csp cloudprovider.Provider, attestationVariant variant.Variant, k8sVersion versions.ValidK8sVersion, stateFile *state.State, cliVersion semver.Semver) *chartLoader {
|
|
// TODO(malt3): Allow overriding container image registry + prefix for all images
|
|
// (e.g. for air-gapped environments).
|
|
var ccmImage, cnmImage string
|
|
switch csp {
|
|
case cloudprovider.AWS:
|
|
ccmImage = versions.VersionConfigs[k8sVersion].CloudControllerManagerImageAWS
|
|
case cloudprovider.Azure:
|
|
ccmImage = versions.VersionConfigs[k8sVersion].CloudControllerManagerImageAzure
|
|
cnmImage = versions.VersionConfigs[k8sVersion].CloudNodeManagerImageAzure
|
|
case cloudprovider.GCP:
|
|
ccmImage = versions.VersionConfigs[k8sVersion].CloudControllerManagerImageGCP
|
|
case cloudprovider.OpenStack:
|
|
ccmImage = versions.VersionConfigs[k8sVersion].CloudControllerManagerImageOpenStack
|
|
}
|
|
return &chartLoader{
|
|
cliVersion: cliVersion,
|
|
csp: csp,
|
|
attestationVariant: attestationVariant,
|
|
stateFile: stateFile,
|
|
ccmImage: ccmImage,
|
|
azureCNMImage: cnmImage,
|
|
joinServiceImage: imageversion.JoinService("", ""),
|
|
keyServiceImage: imageversion.KeyService("", ""),
|
|
autoscalerImage: versions.VersionConfigs[k8sVersion].ClusterAutoscalerImage,
|
|
verificationServiceImage: imageversion.VerificationService("", ""),
|
|
gcpGuestAgentImage: versions.GcpGuestImage,
|
|
konnectivityImage: versions.KonnectivityAgentImage,
|
|
constellationOperatorImage: imageversion.ConstellationNodeOperator("", ""),
|
|
nodeMaintenanceOperatorImage: versions.NodeMaintenanceOperatorImage,
|
|
}
|
|
}
|
|
|
|
// releaseApplyOrder is a list of releases in the order they should be applied.
|
|
// makes sure if a release was removed as a dependency from one chart,
|
|
// and then added as a new standalone chart (or as a dependency of another chart),
|
|
// that the new release is installed after the existing one to avoid name conflicts.
|
|
type releaseApplyOrder []release
|
|
|
|
// loadReleases loads the embedded helm charts and returns them as a HelmReleases object.
|
|
func (i *chartLoader) loadReleases(conformanceMode, deployCSIDriver bool, helmWaitMode WaitMode, masterSecret uri.MasterSecret,
|
|
serviceAccURI string, openStackCfg *config.OpenStackConfig,
|
|
) (releaseApplyOrder, error) {
|
|
ciliumRelease, err := i.loadRelease(ciliumInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading cilium: %w", err)
|
|
}
|
|
ciliumVals := extraCiliumValues(i.csp, conformanceMode, i.stateFile.Infrastructure)
|
|
ciliumRelease.values = mergeMaps(ciliumRelease.values, ciliumVals)
|
|
|
|
certManagerRelease, err := i.loadRelease(certManagerInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading cert-manager: %w", err)
|
|
}
|
|
|
|
operatorRelease, err := i.loadRelease(constellationOperatorsInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading operators: %w", err)
|
|
}
|
|
operatorRelease.values = mergeMaps(operatorRelease.values, extraOperatorValues(i.stateFile.Infrastructure.UID))
|
|
|
|
conServicesRelease, err := i.loadRelease(constellationServicesInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading constellation-services: %w", err)
|
|
}
|
|
|
|
svcVals, err := extraConstellationServicesValues(i.csp, i.attestationVariant, masterSecret,
|
|
serviceAccURI, i.stateFile.Infrastructure, openStackCfg)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("extending constellation-services values: %w", err)
|
|
}
|
|
conServicesRelease.values = mergeMaps(conServicesRelease.values, svcVals)
|
|
|
|
releases := releaseApplyOrder{ciliumRelease, conServicesRelease, certManagerRelease}
|
|
if deployCSIDriver {
|
|
csiRelease, err := i.loadRelease(csiInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading snapshot CRDs: %w", err)
|
|
}
|
|
extraCSIvals, err := extraCSIValues(i.csp, serviceAccURI)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("extending CSI values: %w", err)
|
|
}
|
|
csiRelease.values = mergeMaps(csiRelease.values, extraCSIvals)
|
|
releases = append(releases, csiRelease)
|
|
}
|
|
if i.csp == cloudprovider.AWS {
|
|
awsRelease, err := i.loadRelease(awsLBControllerInfo, helmWaitMode)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("loading aws-services: %w", err)
|
|
}
|
|
releases = append(releases, awsRelease)
|
|
}
|
|
releases = append(releases, operatorRelease)
|
|
|
|
return releases, nil
|
|
}
|
|
|
|
// loadRelease loads the embedded chart and values depending on the given info argument.
|
|
// IMPORTANT: .helmignore rules specifying files in subdirectories are not applied (e.g. crds/kustomization.yaml).
|
|
func (i *chartLoader) loadRelease(info chartInfo, helmWaitMode WaitMode) (release, error) {
|
|
chart, err := loadChartsDir(helmFS, info.path)
|
|
if err != nil {
|
|
return release{}, fmt.Errorf("loading %s chart: %w", info.releaseName, err)
|
|
}
|
|
|
|
var values map[string]any
|
|
|
|
switch info.releaseName {
|
|
case ciliumInfo.releaseName:
|
|
var ok bool
|
|
values, ok = ciliumVals[i.csp.String()]
|
|
if !ok {
|
|
return release{}, fmt.Errorf("cilium values for csp %q not found", i.csp.String())
|
|
}
|
|
case certManagerInfo.releaseName:
|
|
values = i.loadCertManagerValues()
|
|
case constellationOperatorsInfo.releaseName:
|
|
values = i.loadOperatorsValues()
|
|
case constellationServicesInfo.releaseName:
|
|
values = i.loadConstellationServicesValues()
|
|
case awsLBControllerInfo.releaseName:
|
|
values = i.loadAWSLBControllerValues()
|
|
case csiInfo.releaseName:
|
|
values = i.loadCSIValues()
|
|
}
|
|
|
|
// Charts we package ourselves have version 0.0.0.
|
|
// Before use, we need to update the version of the chart to the current CLI version.
|
|
if isCLIVersionedRelease(info.releaseName) {
|
|
updateVersions(chart, i.cliVersion)
|
|
}
|
|
|
|
return release{chart: chart, values: values, releaseName: info.releaseName, waitMode: helmWaitMode}, nil
|
|
}
|
|
|
|
func (i *chartLoader) loadAWSLBControllerValues() map[string]any {
|
|
return map[string]any{
|
|
"clusterName": i.stateFile.Infrastructure.Name,
|
|
"tolerations": controlPlaneTolerations,
|
|
"nodeSelector": controlPlaneNodeSelector,
|
|
}
|
|
}
|
|
|
|
// loadCertManagerHelper is used to separate the marshalling step from the loading step.
|
|
// This reduces the time unit tests take to execute.
|
|
func (i *chartLoader) loadCertManagerValues() map[string]any {
|
|
return map[string]any{
|
|
"installCRDs": true,
|
|
"prometheus": map[string]any{
|
|
"enabled": false,
|
|
},
|
|
"tolerations": controlPlaneTolerations,
|
|
"webhook": map[string]any{
|
|
"tolerations": controlPlaneTolerations,
|
|
},
|
|
"cainjector": map[string]any{
|
|
"tolerations": controlPlaneTolerations,
|
|
},
|
|
"startupapicheck": map[string]any{
|
|
"timeout": "5m",
|
|
"extraArgs": []string{
|
|
"--verbose",
|
|
},
|
|
"tolerations": controlPlaneTolerations,
|
|
},
|
|
}
|
|
}
|
|
|
|
// loadOperatorsHelper is used to separate the marshalling step from the loading step.
|
|
// This reduces the time unit tests take to execute.
|
|
func (i *chartLoader) loadOperatorsValues() map[string]any {
|
|
return map[string]any{
|
|
"constellation-operator": map[string]any{
|
|
"controllerManager": map[string]any{
|
|
"manager": map[string]any{
|
|
"image": i.constellationOperatorImage,
|
|
},
|
|
},
|
|
"csp": i.csp.String(),
|
|
},
|
|
"node-maintenance-operator": map[string]any{
|
|
"controllerManager": map[string]any{
|
|
"manager": map[string]any{
|
|
"image": i.nodeMaintenanceOperatorImage,
|
|
},
|
|
},
|
|
},
|
|
"tags": i.cspTags(),
|
|
}
|
|
}
|
|
|
|
// loadConstellationServicesHelper is used to separate the marshalling step from the loading step.
|
|
// This reduces the time unit tests take to execute.
|
|
func (i *chartLoader) loadConstellationServicesValues() map[string]any {
|
|
return map[string]any{
|
|
"global": map[string]any{
|
|
"keyServicePort": constants.KeyServicePort,
|
|
"keyServiceNamespace": "", // empty namespace means we use the release namespace
|
|
"serviceBasePath": constants.ServiceBasePath,
|
|
"joinConfigCMName": constants.JoinConfigMap,
|
|
"internalCMName": constants.InternalConfigMap,
|
|
},
|
|
"key-service": map[string]any{
|
|
"image": i.keyServiceImage,
|
|
"saltKeyName": constants.ConstellationSaltKey,
|
|
"masterSecretKeyName": constants.ConstellationMasterSecretKey,
|
|
"masterSecretName": constants.ConstellationMasterSecretStoreName,
|
|
},
|
|
"join-service": map[string]any{
|
|
"csp": i.csp.String(),
|
|
"image": i.joinServiceImage,
|
|
},
|
|
"ccm": map[string]any{
|
|
"csp": i.csp.String(),
|
|
"image": i.ccmImage,
|
|
},
|
|
"cnm": map[string]any{
|
|
"image": i.azureCNMImage,
|
|
},
|
|
"autoscaler": map[string]any{
|
|
"csp": i.csp.String(),
|
|
"image": i.autoscalerImage,
|
|
},
|
|
"verification-service": map[string]any{
|
|
"image": i.verificationServiceImage,
|
|
},
|
|
"gcp-guest-agent": map[string]any{
|
|
"image": i.gcpGuestAgentImage,
|
|
},
|
|
"konnectivity": map[string]any{
|
|
"image": i.konnectivityImage,
|
|
},
|
|
"tags": i.cspTags(),
|
|
}
|
|
}
|
|
|
|
func (i *chartLoader) loadCSIValues() map[string]any {
|
|
return map[string]any{
|
|
"tags": i.cspTags(),
|
|
}
|
|
}
|
|
|
|
func (i *chartLoader) cspTags() map[string]any {
|
|
return map[string]any{
|
|
i.csp.String(): true,
|
|
}
|
|
}
|
|
|
|
// updateVersions changes all versions of direct dependencies that are set to "0.0.0" to newVersion.
|
|
func updateVersions(chart *chart.Chart, newVersion semver.Semver) {
|
|
chart.Metadata.Version = newVersion.String()
|
|
selectedDeps := chart.Metadata.Dependencies
|
|
for i := range selectedDeps {
|
|
if selectedDeps[i].Version == "0.0.0" {
|
|
selectedDeps[i].Version = newVersion.String()
|
|
}
|
|
}
|
|
|
|
deps := chart.Dependencies()
|
|
for i := range deps {
|
|
if deps[i].Metadata.Version == "0.0.0" {
|
|
deps[i].Metadata.Version = newVersion.String()
|
|
}
|
|
}
|
|
}
|
|
|
|
// taken from loader.LoadDir from the helm go module
|
|
// loadChartsDir loads from a directory.
|
|
//
|
|
// This loads charts only from directories.
|
|
// IMPORTANT: .helmignore rules specifying files in subdirectories are not applied (e.g. crds/kustomization.yaml).
|
|
func loadChartsDir(efs embed.FS, dir string) (*chart.Chart, error) {
|
|
utf8bom := []byte{0xEF, 0xBB, 0xBF}
|
|
// Just used for errors.
|
|
c := &chart.Chart{}
|
|
|
|
rules := ignore.Empty()
|
|
ifile, err := efs.ReadFile(filepath.Join(dir, ignore.HelmIgnore))
|
|
if err == nil {
|
|
r, err := ignore.Parse(bytes.NewReader(ifile))
|
|
if err != nil {
|
|
return c, err
|
|
}
|
|
rules = r
|
|
}
|
|
rules.AddDefaults()
|
|
|
|
files := []*loader.BufferedFile{}
|
|
|
|
walk := func(path string, d fs.DirEntry, err error) error {
|
|
n := strings.TrimPrefix(path, dir)
|
|
if n == "" {
|
|
// No need to process top level. Avoid bug with helmignore .* matching
|
|
// empty names. See issue https://github.com/kubernetes/helm/issues/1776.
|
|
return nil
|
|
}
|
|
|
|
// Normalize to / since it will also work on Windows
|
|
n = filepath.ToSlash(n)
|
|
|
|
// Check input err
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fi, err := d.Info()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if d.IsDir() {
|
|
// Directory-based ignore rules should involve skipping the entire
|
|
// contents of that directory.
|
|
if rules.Ignore(n, fi) {
|
|
return filepath.SkipDir
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// If a .helmignore file matches, skip this file.
|
|
if rules.Ignore(n, fi) {
|
|
return nil
|
|
}
|
|
|
|
// Irregular files include devices, sockets, and other uses of files that
|
|
// are not regular files. In Go they have a file mode type bit set.
|
|
// See https://golang.org/pkg/os/#FileMode for examples.
|
|
if !fi.Mode().IsRegular() {
|
|
return fmt.Errorf("cannot load irregular file %s as it has file mode type bits set", path)
|
|
}
|
|
|
|
data, err := efs.ReadFile(path)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "error reading %s", n)
|
|
}
|
|
|
|
data = bytes.TrimPrefix(data, utf8bom)
|
|
n = strings.TrimPrefix(n, "/")
|
|
|
|
files = append(files, &loader.BufferedFile{Name: n, Data: data})
|
|
return nil
|
|
}
|
|
|
|
if err := fs.WalkDir(efs, dir, walk); err != nil {
|
|
return c, err
|
|
}
|
|
|
|
return loader.LoadFiles(files)
|
|
}
|