mirror of https://github.com/kubernetes/kops.git
130 lines
4.2 KiB
Go
130 lines
4.2 KiB
Go
/*
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Copyright 2020 The Kubernetes 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 cloudup
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import (
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"fmt"
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"net/url"
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"github.com/blang/semver/v4"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/assets"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/util/pkg/architectures"
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"k8s.io/kops/util/pkg/hashing"
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)
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const (
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// containerd packages URLs for v1.6.x+
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containerdReleaseUrlAmd64 = "https://github.com/containerd/containerd/releases/download/v%s/containerd-%s-linux-amd64.tar.gz"
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containerdReleaseUrlArm64 = "https://github.com/containerd/containerd/releases/download/v%s/containerd-%s-linux-arm64.tar.gz"
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// containerd packages URLs for v1.4.x+
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containerdBundleUrlAmd64 = "https://github.com/containerd/containerd/releases/download/v%s/cri-containerd-cni-%s-linux-amd64.tar.gz"
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)
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func findContainerdAsset(c *kops.Cluster, assetBuilder *assets.AssetBuilder, arch architectures.Architecture) (*url.URL, *hashing.Hash, error) {
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if c.Spec.Containerd == nil {
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return nil, nil, fmt.Errorf("unable to find containerd config")
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}
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containerd := c.Spec.Containerd
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if containerd.Packages != nil {
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if arch == architectures.ArchitectureAmd64 && containerd.Packages.UrlAmd64 != nil && containerd.Packages.HashAmd64 != nil {
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assetUrl := fi.ValueOf(containerd.Packages.UrlAmd64)
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assetHash := fi.ValueOf(containerd.Packages.HashAmd64)
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return findAssetsUrlHash(assetBuilder, assetUrl, assetHash)
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}
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if arch == architectures.ArchitectureArm64 && containerd.Packages.UrlArm64 != nil && containerd.Packages.HashArm64 != nil {
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assetUrl := fi.ValueOf(containerd.Packages.UrlArm64)
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assetHash := fi.ValueOf(containerd.Packages.HashArm64)
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return findAssetsUrlHash(assetBuilder, assetUrl, assetHash)
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}
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}
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version := fi.ValueOf(containerd.Version)
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if version == "" {
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return nil, nil, fmt.Errorf("unable to find containerd version")
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}
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return findContainerdVersionUrlHash(assetBuilder, arch, version)
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}
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func findContainerdVersionUrlHash(assetBuilder *assets.AssetBuilder, arch architectures.Architecture, version string) (u *url.URL, h *hashing.Hash, e error) {
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assetUrl, err := findContainerdVersionUrl(arch, version)
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if err != nil {
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return nil, nil, err
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}
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fileUrl, err := url.Parse(assetUrl)
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if err != nil {
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return nil, nil, err
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}
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return assetBuilder.RemapFileAndSHA(fileUrl)
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}
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func findContainerdVersionUrl(arch architectures.Architecture, version string) (string, error) {
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sv, err := semver.ParseTolerant(version)
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if err != nil {
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return "", fmt.Errorf("unable to parse version string: %q", version)
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}
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if sv.LT(semver.MustParse("1.4.0")) {
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return "", fmt.Errorf("unsupported legacy containerd version: %q", version)
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}
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var u string
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switch arch {
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case architectures.ArchitectureAmd64:
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if sv.GTE(semver.MustParse("1.6.0")) {
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u = fmt.Sprintf(containerdReleaseUrlAmd64, version, version)
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} else {
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u = fmt.Sprintf(containerdBundleUrlAmd64, version, version)
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}
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case architectures.ArchitectureArm64:
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if sv.GTE(semver.MustParse("1.6.0")) {
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u = fmt.Sprintf(containerdReleaseUrlArm64, version, version)
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}
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default:
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return "", fmt.Errorf("unknown arch: %q", arch)
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}
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if u == "" {
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return "", fmt.Errorf("unknown url for containerd version: %s - %s", arch, version)
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}
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return u, nil
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}
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func findAssetsUrlHash(assetBuilder *assets.AssetBuilder, assetUrl string, assetHash string) (*url.URL, *hashing.Hash, error) {
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u, err := url.Parse(assetUrl)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to parse asset URL %q: %v", assetUrl, err)
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}
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h, err := hashing.FromString(assetHash)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to parse asset hash %q: %v", assetHash, err)
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}
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u, err = assetBuilder.RemapFileAndSHAValue(u, assetHash)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to remap asset: %v", err)
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}
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return u, h, nil
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}
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