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2e735714d9
Fixes #4759 This uses existing features: Talos always generates 32 bytes random node identity, we use first 16 bytes of that to generate `machine-id` in compliant format and mount that into the `kubelet` container. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package cluster
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import (
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"crypto/rand"
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"encoding/hex"
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"io"
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"github.com/jxskiss/base62"
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"github.com/talos-systems/talos/pkg/machinery/constants"
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"github.com/talos-systems/talos/pkg/machinery/resources/cluster"
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)
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// IdentitySpec adapter provides identity generation.
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//
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//nolint:revive,golint
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func IdentitySpec(r *cluster.IdentitySpec) identity {
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return identity{
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IdentitySpec: r,
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}
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}
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type identity struct {
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*cluster.IdentitySpec
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}
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// Generate new identity.
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func (a identity) Generate() error {
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buf := make([]byte, constants.DefaultNodeIdentitySize)
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if _, err := io.ReadFull(rand.Reader, buf); err != nil {
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return err
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}
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a.IdentitySpec.NodeID = base62.EncodeToString(buf)
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return nil
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}
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// ConvertMachineID returns /etc/machine-id compatible representation.
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func (a identity) ConvertMachineID() ([]byte, error) {
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raw, err := base62.DecodeString(a.IdentitySpec.NodeID)
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if err != nil {
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return nil, err
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}
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buf := make([]byte, 32)
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hex.Encode(buf, raw[:16])
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return buf, nil
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}
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