mirror of https://github.com/linkerd/linkerd2.git
Remove legacy upgrade and it's references (#7309)
With [linkerd2#5008](https://github.com/linkerd/linkerd2/issues/5008) and associated PRs, we changed the way configuration is handled by storing a helm values struct inside of the configmap. Now that we have had one stable release with new configuration, were no longer use and need to maintain the legacy config. This commit removes all the associated logic, protobuf files, and references. Changes Include: - Removed [`proto/config/config.proto`](https://github.com/linkerd/linkerd2/blob/main/proto/config/config.proto) - Changed [`bin/protoc-go.sh`](https://github.com/linkerd/linkerd2/blob/main/bin/protoc-go.sh) to not include `config.proto` - Changed [`FetchLinkerdConfigMap()`](741fde679b/pkg/healthcheck/healthcheck.go (L1768)) in `healthcheck.go` to return only the configmap, with the pb type. - Changed [`FetchCurrentConfiguration()`](741fde679b/pkg/healthcheck/healthcheck.go (L1647)) only unmarshal and use helm value struct from configmap (as a follow-up to the todo above; note that there's already a todo here to refactor the function once value struct is the default, which has already happened) - Removed [`upgrade_legacy.go`](https://github.com/linkerd/linkerd2/blob/main/cli/cmd/upgrade_legacy.go) Signed-off-by: Krzysztof Dryś <krzysztofdrys@gmail.com>
This commit is contained in:
Krzysztof Dryś
GitHub
parent
eb2f9e53be
commit
f92e77f7f0
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@ -11,7 +11,6 @@ rm -rf controller/gen/common controller/gen/config viz/metrics-api/gen viz/tap/g
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mkdir -p controller/gen/common/net viz/metrics-api/gen/viz viz/tap/gen/tap
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"$bindir"/protoc -I proto --go_out=paths=source_relative:controller/gen proto/common/net.proto
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"$bindir"/protoc -I proto --go_out=paths=source_relative:controller/gen proto/config/config.proto
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"$bindir"/protoc -I proto -I viz/metrics-api/proto --go_out=paths=source_relative:viz/metrics-api/gen viz/metrics-api/proto/viz.proto
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"$bindir"/protoc -I proto -I viz/metrics-api/proto --go-grpc_out=paths=source_relative:viz/metrics-api/gen/viz viz/metrics-api/proto/viz.proto
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"$bindir"/protoc -I proto -I viz/tap/proto -I viz/metrics-api/proto --go_out=paths=source_relative:viz/tap/gen viz/tap/proto/viz_tap.proto
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@ -8,10 +8,13 @@ import (
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"regexp"
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"time"
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"github.com/golang/protobuf/ptypes"
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pb "github.com/linkerd/linkerd2/controller/gen/config"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/client-go/kubernetes"
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"github.com/linkerd/linkerd2/pkg/charts/linkerd2"
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charts "github.com/linkerd/linkerd2/pkg/charts/linkerd2"
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"github.com/linkerd/linkerd2/pkg/healthcheck"
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"github.com/linkerd/linkerd2/pkg/issuercerts"
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"github.com/linkerd/linkerd2/pkg/k8s"
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"github.com/linkerd/linkerd2/pkg/version"
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"github.com/spf13/cobra"
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@ -127,16 +130,16 @@ func repair(ctx context.Context, forced bool) error {
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if err != nil {
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return fmt.Errorf("Failed to parse IssuanceLifetime from linkerd-config: %s", err)
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}
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idCtx := pb.IdentityContext{
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TrustAnchorsPem: values.IdentityTrustAnchorsPEM,
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Scheme: values.Identity.Issuer.Scheme,
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ClockSkewAllowance: ptypes.DurationProto(clockSkewDuration),
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IssuanceLifetime: ptypes.DurationProto(issuanceLifetime),
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TrustDomain: values.IdentityTrustDomain,
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idCtx := identityContext{
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trustAnchorsPem: values.IdentityTrustAnchorsPEM,
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scheme: values.Identity.Issuer.Scheme,
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clockSkewAllowance: clockSkewDuration,
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issuanceLifetime: issuanceLifetime,
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trustDomain: values.IdentityTrustDomain,
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}
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// Populate identity values
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err = fetchIdentityValues(ctx, k8sAPI, &idCtx, &values)
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err = fetchIdentityValues(ctx, k8sAPI, idCtx, &values)
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if err != nil {
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return fmt.Errorf("Failed to load issuer credentials: %s", err)
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}
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@ -185,3 +188,68 @@ func resetVersion(values *linkerd2.Values) error {
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values.LinkerdVersion = defaults.LinkerdVersion
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return nil
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}
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type identityContext struct {
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trustAnchorsPem string
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scheme string
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clockSkewAllowance time.Duration
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issuanceLifetime time.Duration
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trustDomain string
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}
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// fetchIdentityValue checks the kubernetes API to fetch an existing
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// linkerd identity configuration.
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//
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// This bypasses the public API so that we can access secrets and validate
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// permissions.
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func fetchIdentityValues(ctx context.Context, k kubernetes.Interface, idctx identityContext, values *charts.Values) error {
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if idctx.scheme == "" {
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// if this is empty, then we are upgrading from a version
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// that did not support issuer schemes. Just default to the
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// linkerd one.
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idctx.scheme = k8s.IdentityIssuerSchemeLinkerd
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}
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var trustAnchorsPEM string
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var issuerData *issuercerts.IssuerCertData
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var err error
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trustAnchorsPEM = idctx.trustAnchorsPem
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issuerData, err = fetchIssuer(ctx, k, trustAnchorsPEM, idctx.scheme)
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if err != nil {
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return err
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}
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values.IdentityTrustAnchorsPEM = trustAnchorsPEM
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values.Identity.Issuer.Scheme = idctx.scheme
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values.Identity.Issuer.ClockSkewAllowance = idctx.clockSkewAllowance.String()
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values.Identity.Issuer.IssuanceLifetime = idctx.issuanceLifetime.String()
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values.Identity.Issuer.TLS.KeyPEM = issuerData.IssuerKey
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values.Identity.Issuer.TLS.CrtPEM = issuerData.IssuerCrt
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return nil
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}
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func fetchIssuer(ctx context.Context, k kubernetes.Interface, trustPEM string, scheme string) (*issuercerts.IssuerCertData, error) {
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var (
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issuerData *issuercerts.IssuerCertData
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err error
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)
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switch scheme {
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case string(corev1.SecretTypeTLS):
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// Do not return external issuer certs as no need of storing them in config and upgrade secrets
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// Also contradicts condition in https://github.com/linkerd/linkerd2/blob/main/cli/cmd/options.go#L550
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return &issuercerts.IssuerCertData{}, nil
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default:
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issuerData, err = issuercerts.FetchIssuerData(ctx, k, trustPEM, controlPlaneNamespace)
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if issuerData != nil && issuerData.TrustAnchors != trustPEM {
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issuerData.TrustAnchors = trustPEM
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}
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}
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if err != nil {
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return nil, err
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}
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return issuerData, nil
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}
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@ -265,19 +265,10 @@ func upgrade(ctx context.Context, k *k8s.KubernetesAPI, flags []flag.Flag, stage
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if err != nil {
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return bytes.Buffer{}, fmt.Errorf("failed to load stored values: %w", err)
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}
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// If there is no linkerd-config-overrides secret, assume we are upgrading
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// from a version of Linkerd prior to the introduction of this secret. In
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// this case we load the values from the legacy linkerd-config configmap.
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if values == nil {
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values, err = loadStoredValuesLegacy(ctx, k)
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if err != nil {
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return bytes.Buffer{}, err
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}
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}
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// If values is still nil, then neither the linkerd-config-overrides secret
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// nor the legacy values were found. This means either means that Linkerd
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// was installed with Helm or that the installation needs to be repaired.
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// If values is still nil, then the linkerd-config-overrides secret was not found.
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// This means either means that Linkerd was installed with Helm or that the installation
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// needs to be repaired.
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if values == nil {
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return bytes.Buffer{}, errors.New(
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`Could not find the Linkerd config. If Linkerd was installed with Helm, please
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@ -1,183 +0,0 @@
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package cmd
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import (
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"context"
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"fmt"
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"strings"
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"github.com/golang/protobuf/ptypes"
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"github.com/linkerd/linkerd2/cli/flag"
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pb "github.com/linkerd/linkerd2/controller/gen/config"
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charts "github.com/linkerd/linkerd2/pkg/charts/linkerd2"
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"github.com/linkerd/linkerd2/pkg/healthcheck"
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"github.com/linkerd/linkerd2/pkg/issuercerts"
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"github.com/linkerd/linkerd2/pkg/k8s"
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"github.com/linkerd/linkerd2/pkg/version"
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"github.com/spf13/pflag"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/client-go/kubernetes"
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)
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func loadStoredValuesLegacy(ctx context.Context, k *k8s.KubernetesAPI) (*charts.Values, error) {
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// We fetch the configs directly from kubernetes because we need to be able
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// to upgrade/reinstall the control plane when the API is not available; and
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// this also serves as a passive check that we have privileges to access this
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// control plane.
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_, configs, err := healthcheck.FetchLinkerdConfigMap(ctx, k, controlPlaneNamespace)
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if err != nil {
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return nil, fmt.Errorf("could not fetch configs from kubernetes: %s", err)
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}
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if configs == nil {
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return nil, nil
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}
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repairConfigs(configs)
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values, err := charts.NewValues()
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if err != nil {
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return nil, err
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}
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allStageFlags, allStageFlagSet := makeAllStageFlags(values)
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installFlags, installFlagSet := makeInstallFlags(values)
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upgradeFlags, installUpgradeFlagSet, err := makeInstallUpgradeFlags(values)
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if err != nil {
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return nil, err
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}
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proxyFlags, proxyFlagSet := makeProxyFlags(values)
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flagSet := pflag.NewFlagSet("loaded_flags", pflag.ExitOnError)
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flagSet.AddFlagSet(allStageFlagSet)
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flagSet.AddFlagSet(installFlagSet)
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flagSet.AddFlagSet(installUpgradeFlagSet)
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flagSet.AddFlagSet(proxyFlagSet)
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setFlagsFromInstall(flagSet, configs.GetInstall().GetFlags())
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flags := flattenFlags(allStageFlags, installFlags, upgradeFlags, proxyFlags)
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err = flag.ApplySetFlags(values, flags)
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if err != nil {
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return nil, err
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}
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idctx := configs.GetGlobal().GetIdentityContext()
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if idctx.GetTrustDomain() != "" && idctx.GetTrustAnchorsPem() != "" {
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err = fetchIdentityValues(ctx, k, idctx, values)
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if err != nil {
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return nil, err
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}
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}
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return values, nil
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}
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func setFlagsFromInstall(flags *pflag.FlagSet, installFlags []*pb.Install_Flag) {
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for _, i := range installFlags {
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if f := flags.Lookup(i.GetName()); f != nil && !f.Changed {
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// The function recordFlags() stores the string representation of flags in the ConfigMap
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// so a stringSlice is stored e.g. as [a,b].
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// To avoid having f.Value.Set() interpreting that as a string we need to remove
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// the brackets
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value := i.GetValue()
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if f.Value.Type() == "stringSlice" {
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value = strings.Trim(value, "[]")
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}
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f.Value.Set(value)
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f.Changed = true
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}
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}
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}
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func repairConfigs(configs *pb.All) {
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// Repair the "install" section; install flags are updated separately
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if configs.Install == nil {
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configs.Install = &pb.Install{}
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}
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// ALWAYS update the CLI version to the most recent.
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configs.Install.CliVersion = version.Version
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// Repair the "proxy" section
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if configs.Proxy == nil {
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configs.Proxy = &pb.Proxy{}
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}
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if configs.Proxy.DebugImage == nil {
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configs.Proxy.DebugImage = &pb.Image{}
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}
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if configs.GetProxy().GetDebugImage().GetImageName() == "" {
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configs.Proxy.DebugImage.ImageName = k8s.DebugSidecarImage
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}
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if configs.GetProxy().GetDebugImageVersion() == "" {
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configs.Proxy.DebugImageVersion = version.Version
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}
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}
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// fetchIdentityValue checks the kubernetes API to fetch an existing
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// linkerd identity configuration.
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//
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// This bypasses the public API so that we can access secrets and validate
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// permissions.
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func fetchIdentityValues(ctx context.Context, k kubernetes.Interface, idctx *pb.IdentityContext, values *charts.Values) error {
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if idctx == nil {
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return nil
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}
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if idctx.Scheme == "" {
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// if this is empty, then we are upgrading from a version
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// that did not support issuer schemes. Just default to the
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// linkerd one.
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idctx.Scheme = k8s.IdentityIssuerSchemeLinkerd
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}
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var trustAnchorsPEM string
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var issuerData *issuercerts.IssuerCertData
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var err error
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trustAnchorsPEM = idctx.GetTrustAnchorsPem()
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issuerData, err = fetchIssuer(ctx, k, trustAnchorsPEM, idctx.Scheme)
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if err != nil {
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return err
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}
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clockSkewDuration, err := ptypes.Duration(idctx.GetClockSkewAllowance())
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if err != nil {
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return fmt.Errorf("could not convert clock skew protobuf Duration format into golang Duration: %s", err)
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}
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issuanceLifetimeDuration, err := ptypes.Duration(idctx.GetIssuanceLifetime())
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if err != nil {
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return fmt.Errorf("could not convert issuance Lifetime protobuf Duration format into golang Duration: %s", err)
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}
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values.IdentityTrustAnchorsPEM = trustAnchorsPEM
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values.Identity.Issuer.Scheme = idctx.Scheme
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values.Identity.Issuer.ClockSkewAllowance = clockSkewDuration.String()
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values.Identity.Issuer.IssuanceLifetime = issuanceLifetimeDuration.String()
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values.Identity.Issuer.TLS.KeyPEM = issuerData.IssuerKey
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values.Identity.Issuer.TLS.CrtPEM = issuerData.IssuerCrt
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return nil
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}
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func fetchIssuer(ctx context.Context, k kubernetes.Interface, trustPEM string, scheme string) (*issuercerts.IssuerCertData, error) {
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var (
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issuerData *issuercerts.IssuerCertData
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err error
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)
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switch scheme {
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case string(corev1.SecretTypeTLS):
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// Do not return external issuer certs as no need of storing them in config and upgrade secrets
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// Also contradicts condition in https://github.com/linkerd/linkerd2/blob/main/cli/cmd/options.go#L550
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return &issuercerts.IssuerCertData{}, nil
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default:
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issuerData, err = issuercerts.FetchIssuerData(ctx, k, trustPEM, controlPlaneNamespace)
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if issuerData != nil && issuerData.TrustAnchors != trustPEM {
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issuerData.TrustAnchors = trustPEM
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}
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}
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if err != nil {
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return nil, err
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}
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return issuerData, nil
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}
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@ -203,8 +203,7 @@ func getServiceOpaquePortsAnnotation(svc *corev1.Service) (map[uint32]struct{},
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func parseServiceOpaquePorts(annotation string, sps []corev1.ServicePort) []string {
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portRanges := util.GetPortRanges(annotation)
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var values []string
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for _, portRange := range portRanges {
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pr := portRange.GetPortRange()
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for _, pr := range portRanges {
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port, named := isNamed(pr, sps)
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if named {
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values = append(values, strconv.Itoa(int(port)))
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File diff suppressed because it is too large
Load Diff
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@ -11,7 +11,7 @@ import (
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"time"
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pkgK8s "github.com/linkerd/linkerd2/controller/k8s"
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"github.com/linkerd/linkerd2/pkg/healthcheck"
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"github.com/linkerd/linkerd2/pkg/config"
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"github.com/linkerd/linkerd2/pkg/k8s"
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"github.com/linkerd/linkerd2/pkg/version"
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promv1 "github.com/prometheus/client_golang/api/prometheus/v1"
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@ -29,7 +29,7 @@ type containerMeta struct {
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func K8sValues(ctx context.Context, kubeAPI *k8s.KubernetesAPI, controlPlaneNamespace string) url.Values {
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v := url.Values{}
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cm, _, err := healthcheck.FetchLinkerdConfigMap(ctx, kubeAPI, controlPlaneNamespace)
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cm, err := config.FetchLinkerdConfigMap(ctx, kubeAPI, controlPlaneNamespace)
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if err != nil {
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log.Errorf("Failed to fetch linkerd-config: %s", err)
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} else {
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|
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|
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@ -1,13 +1,15 @@
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package config
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import (
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"context"
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"fmt"
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"io/ioutil"
|
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"strings"
|
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"github.com/golang/protobuf/jsonpb"
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"github.com/golang/protobuf/proto"
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pb "github.com/linkerd/linkerd2/controller/gen/config"
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"github.com/linkerd/linkerd2/pkg/k8s"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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l5dcharts "github.com/linkerd/linkerd2/pkg/charts/linkerd2"
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log "github.com/sirupsen/logrus"
|
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"sigs.k8s.io/yaml"
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|
|
@ -28,49 +30,6 @@ func Values(filepath string) (*l5dcharts.Values, error) {
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return values, err
|
||||
}
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func unmarshal(json string, msg proto.Message) error {
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// If a config is missing, then just leave the message as nil and return
|
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// without an error.
|
||||
if json == "" {
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return nil
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||||
}
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||||
|
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// If we're using older code to read a newer config, blowing up during decoding
|
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// is not helpful. We should detect that through other means.
|
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u := jsonpb.Unmarshaler{AllowUnknownFields: true}
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return u.Unmarshal(strings.NewReader(json), msg)
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}
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|
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// FromConfigMap builds a configuration by reading a map with the keys "global",
|
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// "proxy", and "install" each containing JSON values. If none of these keys
|
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// exist, FromConfigMap will return nil. This likely indicates that the
|
||||
// installed version of Linkerd is stable-2.9.0 or later which uses a different
|
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// config format.
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func FromConfigMap(configMap map[string]string) (*pb.All, error) {
|
||||
c := &pb.All{Global: &pb.Global{}, Proxy: &pb.Proxy{}, Install: &pb.Install{}}
|
||||
|
||||
global, globalOk := configMap["global"]
|
||||
proxy, proxyOk := configMap["proxy"]
|
||||
install, installOk := configMap["install"]
|
||||
if !globalOk && !proxyOk && !installOk {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if err := unmarshal(global, c.Global); err != nil {
|
||||
return nil, fmt.Errorf("invalid global config: %s", err)
|
||||
}
|
||||
|
||||
if err := unmarshal(proxy, c.Proxy); err != nil {
|
||||
return nil, fmt.Errorf("invalid proxy config: %s", err)
|
||||
}
|
||||
|
||||
if err := unmarshal(install, c.Install); err != nil {
|
||||
return nil, fmt.Errorf("invalid install config: %s", err)
|
||||
}
|
||||
|
||||
return c, nil
|
||||
}
|
||||
|
||||
// RemoveGlobalFieldIfPresent removes the `global` node and
|
||||
// attaches the children nodes there.
|
||||
func RemoveGlobalFieldIfPresent(bytes []byte) ([]byte, error) {
|
||||
|
|
@ -101,106 +60,12 @@ func RemoveGlobalFieldIfPresent(bytes []byte) ([]byte, error) {
|
|||
return bytes, nil
|
||||
}
|
||||
|
||||
// ToValues converts configuration into a Values struct, i.e to be consumed by check
|
||||
// TODO: Remove this once the newer configuration becomes the default i.e 2.10
|
||||
func ToValues(configs *pb.All) *l5dcharts.Values {
|
||||
|
||||
// convert install flags into values
|
||||
values := &l5dcharts.Values{
|
||||
CNIEnabled: configs.GetGlobal().GetCniEnabled(),
|
||||
Namespace: configs.GetGlobal().GetLinkerdNamespace(),
|
||||
IdentityTrustAnchorsPEM: configs.GetGlobal().GetIdentityContext().GetTrustAnchorsPem(),
|
||||
IdentityTrustDomain: configs.GetGlobal().GetIdentityContext().GetTrustDomain(),
|
||||
ClusterDomain: configs.GetGlobal().GetClusterDomain(),
|
||||
ClusterNetworks: configs.GetProxy().GetDestinationGetNetworks(),
|
||||
LinkerdVersion: configs.GetGlobal().GetVersion(),
|
||||
Proxy: &l5dcharts.Proxy{
|
||||
Image: &l5dcharts.Image{
|
||||
Name: configs.GetProxy().GetProxyImage().GetImageName(),
|
||||
PullPolicy: configs.GetProxy().GetProxyImage().GetPullPolicy(),
|
||||
Version: configs.GetProxy().GetProxyVersion(),
|
||||
},
|
||||
Ports: &l5dcharts.Ports{
|
||||
Control: int32(configs.GetProxy().GetControlPort().GetPort()),
|
||||
Inbound: int32(configs.GetProxy().GetInboundPort().GetPort()),
|
||||
Admin: int32(configs.GetProxy().GetAdminPort().GetPort()),
|
||||
Outbound: int32(configs.GetProxy().GetOutboundPort().GetPort()),
|
||||
},
|
||||
Resources: &l5dcharts.Resources{
|
||||
CPU: l5dcharts.Constraints{
|
||||
Limit: configs.GetProxy().GetResource().GetLimitCpu(),
|
||||
Request: configs.GetProxy().GetResource().GetRequestCpu(),
|
||||
},
|
||||
Memory: l5dcharts.Constraints{
|
||||
Limit: configs.GetProxy().GetResource().GetLimitMemory(),
|
||||
Request: configs.GetProxy().GetResource().GetRequestMemory(),
|
||||
},
|
||||
},
|
||||
EnableExternalProfiles: !configs.Proxy.GetDisableExternalProfiles(),
|
||||
LogFormat: configs.GetProxy().GetLogFormat(),
|
||||
OutboundConnectTimeout: configs.GetProxy().GetOutboundConnectTimeout(),
|
||||
InboundConnectTimeout: configs.GetProxy().GetInboundConnectTimeout(),
|
||||
},
|
||||
ProxyInit: &l5dcharts.ProxyInit{
|
||||
IgnoreInboundPorts: toString(configs.GetProxy().GetIgnoreInboundPorts()),
|
||||
IgnoreOutboundPorts: toString(configs.GetProxy().GetIgnoreOutboundPorts()),
|
||||
Image: &l5dcharts.Image{
|
||||
Name: configs.GetProxy().GetProxyInitImage().GetImageName(),
|
||||
PullPolicy: configs.GetProxy().GetProxyInitImage().GetPullPolicy(),
|
||||
Version: configs.GetProxy().GetProxyInitImageVersion(),
|
||||
},
|
||||
},
|
||||
Identity: &l5dcharts.Identity{
|
||||
Issuer: &l5dcharts.Issuer{
|
||||
Scheme: configs.GetGlobal().GetIdentityContext().GetScheme(),
|
||||
},
|
||||
},
|
||||
DebugContainer: &l5dcharts.DebugContainer{
|
||||
Image: &l5dcharts.Image{
|
||||
Name: configs.GetProxy().GetDebugImage().GetImageName(),
|
||||
PullPolicy: configs.GetProxy().GetDebugImage().GetPullPolicy(),
|
||||
Version: configs.GetProxy().GetDebugImageVersion(),
|
||||
},
|
||||
},
|
||||
// FetchLinkerdConfigMap retrieves the `linkerd-config` ConfigMap from
|
||||
// Kubernetes.
|
||||
func FetchLinkerdConfigMap(ctx context.Context, k kubernetes.Interface, controlPlaneNamespace string) (*corev1.ConfigMap, error) {
|
||||
cm, err := k.CoreV1().ConfigMaps(controlPlaneNamespace).Get(ctx, k8s.ConfigConfigMapName, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// for non-primitive types set only if they are not nil
|
||||
if configs.GetGlobal().GetIdentityContext().GetIssuanceLifetime() != nil {
|
||||
values.Identity.Issuer.IssuanceLifetime = configs.GetGlobal().GetIdentityContext().GetIssuanceLifetime().String()
|
||||
}
|
||||
if configs.GetGlobal().GetIdentityContext().GetClockSkewAllowance() != nil {
|
||||
values.Identity.Issuer.ClockSkewAllowance = configs.GetGlobal().GetIdentityContext().GetClockSkewAllowance().String()
|
||||
}
|
||||
|
||||
if configs.GetProxy().GetLogLevel() != nil {
|
||||
values.Proxy.LogLevel = configs.GetProxy().GetLogLevel().String()
|
||||
|
||||
}
|
||||
|
||||
// set HA, and Heartbeat flags as health-check needs them for old config installs
|
||||
for _, flag := range configs.GetInstall().GetFlags() {
|
||||
if flag.GetName() == "ha" && flag.GetValue() == "true" {
|
||||
values.HighAvailability = true
|
||||
}
|
||||
|
||||
if flag.GetName() == "disable-heartbeat" && flag.GetValue() == "true" {
|
||||
values.DisableHeartBeat = true
|
||||
}
|
||||
}
|
||||
|
||||
return values
|
||||
}
|
||||
|
||||
func toString(portRanges []*pb.PortRange) string {
|
||||
|
||||
var portRangeString string
|
||||
if len(portRanges) > 0 {
|
||||
for i := 0; i < len(portRanges)-1; i++ {
|
||||
portRangeString += portRanges[i].GetPortRange() + ","
|
||||
}
|
||||
|
||||
portRangeString += portRanges[len(portRanges)-1].GetPortRange()
|
||||
}
|
||||
|
||||
return portRangeString
|
||||
return cm, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -13,7 +13,6 @@ import (
|
|||
"strings"
|
||||
"time"
|
||||
|
||||
configPb "github.com/linkerd/linkerd2/controller/gen/config"
|
||||
controllerK8s "github.com/linkerd/linkerd2/controller/k8s"
|
||||
l5dcharts "github.com/linkerd/linkerd2/pkg/charts/linkerd2"
|
||||
"github.com/linkerd/linkerd2/pkg/config"
|
||||
|
|
@ -1689,35 +1688,30 @@ func (hc *HealthChecker) checkCertificatesConfig(ctx context.Context) (*tls.Cred
|
|||
|
||||
// FetchCurrentConfiguration retrieves the current Linkerd configuration
|
||||
func FetchCurrentConfiguration(ctx context.Context, k kubernetes.Interface, controlPlaneNamespace string) (*corev1.ConfigMap, *l5dcharts.Values, error) {
|
||||
|
||||
// Get the linkerd-config values if present
|
||||
configMap, configPb, err := FetchLinkerdConfigMap(ctx, k, controlPlaneNamespace)
|
||||
// Get the linkerd-config values if present.
|
||||
configMap, err := config.FetchLinkerdConfigMap(ctx, k, controlPlaneNamespace)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
if rawValues := configMap.Data["values"]; rawValues != "" {
|
||||
// Convert into latest values, where global field is removed
|
||||
rawValuesBytes, err := config.RemoveGlobalFieldIfPresent([]byte(rawValues))
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
rawValues = string(rawValuesBytes)
|
||||
var fullValues l5dcharts.Values
|
||||
|
||||
err = yaml.Unmarshal([]byte(rawValues), &fullValues)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
return configMap, &fullValues, nil
|
||||
}
|
||||
|
||||
if configPb == nil {
|
||||
rawValues := configMap.Data["values"]
|
||||
if rawValues == "" {
|
||||
return configMap, nil, nil
|
||||
}
|
||||
// fall back to the older configMap
|
||||
// TODO: remove this once the newer config override secret becomes the default i.e 2.10
|
||||
return configMap, config.ToValues(configPb), nil
|
||||
|
||||
// Convert into latest values, where global field is removed.
|
||||
rawValuesBytes, err := config.RemoveGlobalFieldIfPresent([]byte(rawValues))
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
rawValues = string(rawValuesBytes)
|
||||
var fullValues l5dcharts.Values
|
||||
|
||||
err = yaml.Unmarshal([]byte(rawValues), &fullValues)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
return configMap, &fullValues, nil
|
||||
}
|
||||
|
||||
func (hc *HealthChecker) fetchProxyInjectorCaBundle(ctx context.Context) ([]*x509.Certificate, error) {
|
||||
|
|
@ -1802,26 +1796,6 @@ func (hc *HealthChecker) FetchCredsFromOldSecret(ctx context.Context, namespace
|
|||
return cred, nil
|
||||
}
|
||||
|
||||
// FetchLinkerdConfigMap retrieves the `linkerd-config` ConfigMap from
|
||||
// Kubernetes and parses it into `linkerd2.config` protobuf.
|
||||
// TODO: Consider a different package for this function. This lives in the
|
||||
// healthcheck package because healthcheck depends on it, along with other
|
||||
// packages that also depend on healthcheck. This function depends on both
|
||||
// `pkg/k8s` and `pkg/config`, which do not depend on each other.
|
||||
func FetchLinkerdConfigMap(ctx context.Context, k kubernetes.Interface, controlPlaneNamespace string) (*corev1.ConfigMap, *configPb.All, error) {
|
||||
cm, err := k.CoreV1().ConfigMaps(controlPlaneNamespace).Get(ctx, k8s.ConfigConfigMapName, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
configPB, err := config.FromConfigMap(cm.Data)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return cm, configPB, nil
|
||||
}
|
||||
|
||||
// CheckNamespace checks whether the given namespace exists, and returns an
|
||||
// error if it does not match `shouldExist`.
|
||||
func (hc *HealthChecker) CheckNamespace(ctx context.Context, namespace string, shouldExist bool) error {
|
||||
|
|
|
|||
|
|
@ -11,19 +11,14 @@ import (
|
|||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/golang/protobuf/ptypes/duration"
|
||||
configPb "github.com/linkerd/linkerd2/controller/gen/config"
|
||||
"github.com/linkerd/linkerd2/pkg/charts/linkerd2"
|
||||
"github.com/linkerd/linkerd2/pkg/identity"
|
||||
"github.com/linkerd/linkerd2/pkg/issuercerts"
|
||||
"github.com/linkerd/linkerd2/pkg/k8s"
|
||||
"github.com/linkerd/linkerd2/pkg/tls"
|
||||
"github.com/linkerd/linkerd2/testutil"
|
||||
"google.golang.org/protobuf/proto"
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
k8sErrors "k8s.io/apimachinery/pkg/api/errors"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
)
|
||||
|
||||
type observer struct {
|
||||
|
|
@ -1279,8 +1274,9 @@ apiVersion: v1
|
|||
metadata:
|
||||
name: %s
|
||||
data:
|
||||
global: |
|
||||
{"identityContext":{"trustAnchorsPem": "%s"}}
|
||||
values: |
|
||||
identityTrustAnchorsPEM: %s
|
||||
|
||||
`, k8s.ConfigConfigMapName, currentCertificate)
|
||||
|
||||
var testCases = []struct {
|
||||
|
|
@ -2170,138 +2166,6 @@ func TestKubeSystemNamespaceInHA(t *testing.T) {
|
|||
|
||||
}
|
||||
|
||||
func TestFetchLinkerdConfigMap(t *testing.T) {
|
||||
testCases := []struct {
|
||||
k8sConfigs []string
|
||||
expected *configPb.All
|
||||
err error
|
||||
}{
|
||||
{
|
||||
[]string{`
|
||||
kind: ConfigMap
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: linkerd-config
|
||||
namespace: linkerd
|
||||
data:
|
||||
global: |
|
||||
{"linkerdNamespace":"linkerd","cniEnabled":false,"version":"install-control-plane-version","identityContext":{"trustDomain":"cluster.local","trustAnchorsPem":"fake-trust-anchors-pem","issuanceLifetime":"86400s","clockSkewAllowance":"20s"}}
|
||||
proxy: |
|
||||
{"proxyImage":{"imageName":"cr.l5d.io/linkerd/proxy","pullPolicy":"IfNotPresent"},"proxyInitImage":{"imageName":"cr.l5d.io/linkerd/proxy-init","pullPolicy":"IfNotPresent"},"controlPort":{"port":4190},"ignoreInboundPorts":[],"ignoreOutboundPorts":[],"inboundPort":{"port":4143},"adminPort":{"port":4191},"outboundPort":{"port":4140},"resource":{"requestCpu":"","requestMemory":"","limitCpu":"","limitMemory":""},"proxyUid":"2102","logLevel":{"level":"warn,linkerd=info"},"disableExternalProfiles":true,"proxyVersion":"install-proxy-version","proxy_init_image_version":"v1.5.1","debugImage":{"imageName":"cr.l5d.io/linkerd/debug","pullPolicy":"IfNotPresent"},"debugImageVersion":"install-debug-version"}
|
||||
install: |
|
||||
{"cliVersion":"dev-undefined","flags":[]}`,
|
||||
},
|
||||
&configPb.All{
|
||||
Global: &configPb.Global{
|
||||
LinkerdNamespace: "linkerd",
|
||||
Version: "install-control-plane-version",
|
||||
IdentityContext: &configPb.IdentityContext{
|
||||
TrustDomain: "cluster.local",
|
||||
TrustAnchorsPem: "fake-trust-anchors-pem",
|
||||
IssuanceLifetime: &duration.Duration{
|
||||
Seconds: 86400,
|
||||
},
|
||||
ClockSkewAllowance: &duration.Duration{
|
||||
Seconds: 20,
|
||||
},
|
||||
},
|
||||
}, Proxy: &configPb.Proxy{
|
||||
ProxyImage: &configPb.Image{
|
||||
ImageName: "cr.l5d.io/linkerd/proxy",
|
||||
PullPolicy: "IfNotPresent",
|
||||
},
|
||||
ProxyInitImage: &configPb.Image{
|
||||
ImageName: "cr.l5d.io/linkerd/proxy-init",
|
||||
PullPolicy: "IfNotPresent",
|
||||
},
|
||||
ControlPort: &configPb.Port{
|
||||
Port: 4190,
|
||||
},
|
||||
InboundPort: &configPb.Port{
|
||||
Port: 4143,
|
||||
},
|
||||
AdminPort: &configPb.Port{
|
||||
Port: 4191,
|
||||
},
|
||||
OutboundPort: &configPb.Port{
|
||||
Port: 4140,
|
||||
},
|
||||
Resource: &configPb.ResourceRequirements{},
|
||||
ProxyUid: 2102,
|
||||
LogLevel: &configPb.LogLevel{
|
||||
Level: "warn,linkerd=info",
|
||||
},
|
||||
DisableExternalProfiles: true,
|
||||
ProxyVersion: "install-proxy-version",
|
||||
ProxyInitImageVersion: "v1.5.1",
|
||||
DebugImage: &configPb.Image{
|
||||
ImageName: "cr.l5d.io/linkerd/debug",
|
||||
PullPolicy: "IfNotPresent",
|
||||
},
|
||||
DebugImageVersion: "install-debug-version",
|
||||
}, Install: &configPb.Install{
|
||||
CliVersion: "dev-undefined",
|
||||
}},
|
||||
nil,
|
||||
},
|
||||
{
|
||||
[]string{`
|
||||
kind: ConfigMap
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: linkerd-config
|
||||
namespace: linkerd
|
||||
data:
|
||||
global: |
|
||||
{"linkerdNamespace":"ns","identityContext":null}
|
||||
proxy: "{}"
|
||||
install: "{}"`,
|
||||
},
|
||||
&configPb.All{Global: &configPb.Global{LinkerdNamespace: "ns", IdentityContext: nil}, Proxy: &configPb.Proxy{}, Install: &configPb.Install{}},
|
||||
nil,
|
||||
},
|
||||
{
|
||||
[]string{`
|
||||
kind: ConfigMap
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: linkerd-config
|
||||
namespace: linkerd
|
||||
data:
|
||||
global: "{}"
|
||||
proxy: "{}"
|
||||
install: "{}"`,
|
||||
},
|
||||
&configPb.All{Global: &configPb.Global{}, Proxy: &configPb.Proxy{}, Install: &configPb.Install{}},
|
||||
nil,
|
||||
},
|
||||
{
|
||||
nil,
|
||||
nil,
|
||||
k8sErrors.NewNotFound(schema.GroupResource{Resource: "configmaps"}, "linkerd-config"),
|
||||
},
|
||||
}
|
||||
|
||||
for i, tc := range testCases {
|
||||
tc := tc // pin
|
||||
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
|
||||
clientset, err := k8s.NewFakeAPI(tc.k8sConfigs...)
|
||||
if err != nil {
|
||||
t.Fatalf("Unexpected error: %s", err)
|
||||
}
|
||||
|
||||
_, configs, err := FetchLinkerdConfigMap(context.Background(), clientset, "linkerd")
|
||||
if !reflect.DeepEqual(err, tc.err) {
|
||||
t.Fatalf("Expected \"%+v\", got \"%+v\"", tc.err, err)
|
||||
}
|
||||
|
||||
if !proto.Equal(configs, tc.expected) {
|
||||
t.Fatalf("Unexpected config:\nExpected:\n%+v\nGot:\n%+v", tc.expected, configs)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestFetchCurrentConfiguration(t *testing.T) {
|
||||
defaultValues, err := linkerd2.NewValues()
|
||||
|
||||
|
|
@ -2635,50 +2499,6 @@ data:
|
|||
},
|
||||
nil,
|
||||
},
|
||||
{
|
||||
[]string{`
|
||||
kind: ConfigMap
|
||||
apiVersion: v1
|
||||
metadata:
|
||||
name: linkerd-config
|
||||
namespace: linkerd
|
||||
data:
|
||||
global: |
|
||||
{"linkerdNamespace":"ns","identityContext":null, "cniEnabled": true}
|
||||
proxy: |
|
||||
{"proxyImage":{"imageName":"registry", "pullPolicy":"Always"}}
|
||||
install: |
|
||||
{"flags":[{"name":"ha","value":"true"}]}`,
|
||||
},
|
||||
&linkerd2.Values{
|
||||
Namespace: "ns",
|
||||
CNIEnabled: true,
|
||||
HighAvailability: true,
|
||||
Proxy: &linkerd2.Proxy{
|
||||
EnableExternalProfiles: true,
|
||||
Image: &linkerd2.Image{
|
||||
Name: "registry",
|
||||
PullPolicy: "Always",
|
||||
},
|
||||
LogLevel: "",
|
||||
Ports: &linkerd2.Ports{},
|
||||
Resources: &linkerd2.Resources{
|
||||
CPU: linkerd2.Constraints{},
|
||||
Memory: linkerd2.Constraints{},
|
||||
},
|
||||
},
|
||||
ProxyInit: &linkerd2.ProxyInit{
|
||||
Image: &linkerd2.Image{},
|
||||
},
|
||||
Identity: &linkerd2.Identity{
|
||||
Issuer: &linkerd2.Issuer{},
|
||||
},
|
||||
DebugContainer: &linkerd2.DebugContainer{
|
||||
Image: &linkerd2.Image{},
|
||||
},
|
||||
},
|
||||
nil,
|
||||
},
|
||||
}
|
||||
|
||||
for i, tc := range testCases {
|
||||
|
|
@ -2710,8 +2530,13 @@ metadata:
|
|||
name: linkerd-config
|
||||
namespace: linkerd
|
||||
data:
|
||||
global: |
|
||||
{"linkerdNamespace": "linkerd", "identityContext":{"trustAnchorsPem": %s, "trustDomain": "cluster.local", "scheme": "%s"}}
|
||||
values: |
|
||||
namespace: linkerd
|
||||
identityTrustAnchorsPEM: %s
|
||||
identityTrustDomain: cluster.local
|
||||
identity:
|
||||
issuer:
|
||||
scheme: %s
|
||||
---
|
||||
`, anchors, scheme)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,13 +4,15 @@ import (
|
|||
"context"
|
||||
"fmt"
|
||||
|
||||
"github.com/linkerd/linkerd2/pkg/config"
|
||||
|
||||
"github.com/linkerd/linkerd2/pkg/charts/linkerd2"
|
||||
"github.com/linkerd/linkerd2/pkg/k8s"
|
||||
)
|
||||
|
||||
// GetServerVersion returns Linkerd's version, as set in linkerd-config
|
||||
func GetServerVersion(ctx context.Context, controlPlaneNamespace string, kubeAPI *k8s.KubernetesAPI) (string, error) {
|
||||
cm, _, err := FetchLinkerdConfigMap(ctx, kubeAPI, controlPlaneNamespace)
|
||||
cm, err := config.FetchLinkerdConfigMap(ctx, kubeAPI, controlPlaneNamespace)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("failed to fetch linkerd-config: %s", err)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,7 +5,6 @@ import (
|
|||
"strings"
|
||||
|
||||
"github.com/linkerd/linkerd2-proxy-init/ports"
|
||||
"github.com/linkerd/linkerd2/controller/gen/config"
|
||||
log "github.com/sirupsen/logrus"
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
)
|
||||
|
|
@ -16,8 +15,7 @@ func ParsePorts(portsString string) (map[uint32]struct{}, error) {
|
|||
opaquePorts := make(map[uint32]struct{})
|
||||
if portsString != "" {
|
||||
portRanges := GetPortRanges(portsString)
|
||||
for _, portRange := range portRanges {
|
||||
pr := portRange.GetPortRange()
|
||||
for _, pr := range portRanges {
|
||||
portsRange, err := ports.ParsePortRange(pr)
|
||||
if err != nil {
|
||||
log.Warnf("Invalid port range [%v]: %s", pr, err)
|
||||
|
|
@ -38,8 +36,7 @@ func ParsePorts(portsString string) (map[uint32]struct{}, error) {
|
|||
func ParseContainerOpaquePorts(override string, containers []corev1.Container) []string {
|
||||
portRanges := GetPortRanges(override)
|
||||
var values []string
|
||||
for _, portRange := range portRanges {
|
||||
pr := portRange.GetPortRange()
|
||||
for _, pr := range portRanges {
|
||||
port, named := isNamed(pr, containers)
|
||||
if named {
|
||||
values = append(values, strconv.Itoa(int(port)))
|
||||
|
|
@ -58,13 +55,8 @@ func ParseContainerOpaquePorts(override string, containers []corev1.Container) [
|
|||
}
|
||||
|
||||
// GetPortRanges gets port ranges from an override annotation
|
||||
func GetPortRanges(override string) []*config.PortRange {
|
||||
split := strings.Split(strings.TrimSuffix(override, ","), ",")
|
||||
ports := make([]*config.PortRange, len(split))
|
||||
for i, p := range split {
|
||||
ports[i] = &config.PortRange{PortRange: p}
|
||||
}
|
||||
return ports
|
||||
func GetPortRanges(override string) []string {
|
||||
return strings.Split(strings.TrimSuffix(override, ","), ",")
|
||||
}
|
||||
|
||||
// isNamed checks if a port range is actually a container named port (e.g.
|
||||
|
|
|
|||
|
|
@ -1,119 +0,0 @@
|
|||
syntax = "proto3";
|
||||
|
||||
package linkerd2.config;
|
||||
|
||||
import "google/protobuf/duration.proto";
|
||||
|
||||
option go_package = "github.com/linkerd/linkerd2/controller/gen/config";
|
||||
|
||||
message All {
|
||||
Global global = 1;
|
||||
Proxy proxy = 2;
|
||||
Install install = 3;
|
||||
}
|
||||
|
||||
message Global {
|
||||
string linkerd_namespace = 1;
|
||||
bool cni_enabled = 2;
|
||||
|
||||
// Control plane version
|
||||
string version = 3;
|
||||
|
||||
// If present, configures identity.
|
||||
IdentityContext identity_context = 4;
|
||||
|
||||
AutoInjectContext auto_inject_context = 6 [deprecated=true];
|
||||
|
||||
bool omitWebhookSideEffects = 7 [deprecated=true];
|
||||
|
||||
// Override default `cluster.local`
|
||||
string cluster_domain = 8;
|
||||
}
|
||||
|
||||
message Proxy {
|
||||
Image proxy_image = 1;
|
||||
Image proxy_init_image = 2;
|
||||
|
||||
Port control_port = 3;
|
||||
repeated PortRange ignore_inbound_ports = 4;
|
||||
repeated PortRange ignore_outbound_ports = 5;
|
||||
Port inbound_port = 6;
|
||||
Port admin_port = 7;
|
||||
Port outbound_port = 8;
|
||||
|
||||
ResourceRequirements resource = 9;
|
||||
|
||||
int64 proxy_uid = 10;
|
||||
LogLevel log_level = 11;
|
||||
bool disable_external_profiles = 12;
|
||||
|
||||
string proxy_version = 13;
|
||||
|
||||
string proxy_init_image_version = 14;
|
||||
|
||||
Image debug_image = 15;
|
||||
string debug_image_version = 16;
|
||||
|
||||
string destination_get_networks = 17;
|
||||
|
||||
string log_format = 18;
|
||||
|
||||
string outbound_connect_timeout = 19;
|
||||
|
||||
string inbound_connect_timeout = 20;
|
||||
}
|
||||
|
||||
message Image {
|
||||
string image_name = 1;
|
||||
string pull_policy = 2;
|
||||
}
|
||||
|
||||
message Port {
|
||||
uint32 port = 1;
|
||||
}
|
||||
|
||||
message PortRange {
|
||||
string port_range = 1;
|
||||
}
|
||||
|
||||
message ResourceRequirements {
|
||||
string request_cpu = 1;
|
||||
string request_memory = 2;
|
||||
string limit_cpu = 3;
|
||||
string limit_memory = 4;
|
||||
}
|
||||
|
||||
message AutoInjectContext { option deprecated = true; }
|
||||
|
||||
message IdentityContext {
|
||||
string trust_domain = 1;
|
||||
string trust_anchors_pem = 2;
|
||||
|
||||
google.protobuf.Duration issuance_lifetime = 3;
|
||||
google.protobuf.Duration clock_skew_allowance = 4;
|
||||
string scheme = 5;
|
||||
}
|
||||
|
||||
message LogLevel {
|
||||
string level = 1;
|
||||
}
|
||||
|
||||
// Stores information about the last installation/upgrade.
|
||||
//
|
||||
// Useful for driving upgrades.
|
||||
message Install {
|
||||
reserved 1;
|
||||
//string uuid = 1;
|
||||
|
||||
// The CLI version that drove the last install or upgrade.
|
||||
string cli_version = 2;
|
||||
|
||||
// The CLI arguments to the install (or upgrade) command, indicating the
|
||||
// installer's intent.
|
||||
repeated Flag flags = 3;
|
||||
|
||||
message Flag {
|
||||
string name = 1;
|
||||
string value = 2;
|
||||
}
|
||||
}
|
||||
|
|
@ -10,6 +10,8 @@ import (
|
|||
"syscall"
|
||||
"time"
|
||||
|
||||
"github.com/linkerd/linkerd2/pkg/config"
|
||||
|
||||
"github.com/linkerd/linkerd2/pkg/admin"
|
||||
"github.com/linkerd/linkerd2/pkg/charts/linkerd2"
|
||||
"github.com/linkerd/linkerd2/pkg/flags"
|
||||
|
|
@ -120,7 +122,7 @@ func getUUIDAndVersion(ctx context.Context, k8sAPI *k8s.KubernetesAPI, controlle
|
|||
var uuid string
|
||||
var version string
|
||||
|
||||
cm, _, err := healthcheck.FetchLinkerdConfigMap(ctx, k8sAPI, controllerNamespace)
|
||||
cm, err := config.FetchLinkerdConfigMap(ctx, k8sAPI, controllerNamespace)
|
||||
if err != nil {
|
||||
log.Errorf("Failed to fetch linkerd-config: %s", err)
|
||||
} else {
|
||||
|
|
|
|||
Loading…
Reference in New Issue