mirror of https://github.com/kubernetes/kops.git
96 lines
3.2 KiB
Go
96 lines
3.2 KiB
Go
/*
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Copyright 2019 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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"os"
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"k8s.io/klog/v2"
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kopsapi "k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/assets"
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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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// TODO: we really need to sort this out:
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// https://github.com/kubernetes/kops/issues/724
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// https://github.com/kubernetes/kops/issues/626
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// https://github.com/kubernetes/kubernetes/issues/30338
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const (
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// defaultCNIAssetAmd64K8s_22 is the CNI tarball for k8s >= 1.22
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defaultCNIAssetAmd64K8s_22 = "https://storage.googleapis.com/k8s-artifacts-cni/release/v0.9.1/cni-plugins-linux-amd64-v0.9.1.tgz"
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defaultCNIAssetArm64K8s_22 = "https://storage.googleapis.com/k8s-artifacts-cni/release/v0.9.1/cni-plugins-linux-arm64-v0.9.1.tgz"
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// Environment variable for overriding CNI url
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ENV_VAR_CNI_ASSET_URL = "CNI_VERSION_URL"
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ENV_VAR_CNI_ASSET_HASH = "CNI_ASSET_HASH_STRING"
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)
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func findCNIAssets(c *kopsapi.Cluster, assetBuilder *assets.AssetBuilder, arch architectures.Architecture) (*url.URL, *hashing.Hash, error) {
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// Override CNI packages from env vars
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cniAssetURL := os.Getenv(ENV_VAR_CNI_ASSET_URL)
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cniAssetHash := os.Getenv(ENV_VAR_CNI_ASSET_HASH)
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if cniAssetURL != "" && cniAssetHash != "" {
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klog.V(2).Infof("Using CNI asset URL %q, as set in %s", cniAssetURL, ENV_VAR_CNI_ASSET_URL)
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klog.V(2).Infof("Using CNI asset hash %q, as set in %s", cniAssetHash, ENV_VAR_CNI_ASSET_HASH)
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u, err := url.Parse(cniAssetURL)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to parse CNI plugin binaries asset URL %q: %v", cniAssetURL, err)
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}
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h, err := hashing.FromString(cniAssetHash)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to parse CNI plugin binaries asset hash %q: %v", cniAssetHash, err)
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}
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u, err = assetBuilder.RemapFileAndSHAValue(u, cniAssetHash)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to remap CNI plugin binaries asset: %v", err)
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}
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return u, h, nil
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}
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switch arch {
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case architectures.ArchitectureAmd64:
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cniAssetURL = defaultCNIAssetAmd64K8s_22
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klog.V(2).Infof("Adding default ARM64 CNI plugin binaries asset: %s", cniAssetURL)
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case architectures.ArchitectureArm64:
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cniAssetURL = defaultCNIAssetArm64K8s_22
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klog.V(2).Infof("Adding default AMD64 CNI plugin binaries asset: %s", cniAssetURL)
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default:
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return nil, nil, fmt.Errorf("unknown arch for CNI plugin binaries asset: %s", arch)
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}
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u, err := url.Parse(cniAssetURL)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to parse CNI plugin binaries asset URL %q: %v", cniAssetURL, err)
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}
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u, h, err := assetBuilder.RemapFileAndSHA(u)
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if err != nil {
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return nil, nil, fmt.Errorf("unable to remap CNI plugin binaries asset: %v", err)
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}
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return u, h, nil
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}
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