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Add support for the Akamai(Linode) platform Signed-off-by: Evan Johnson <ejohnson@akamai.com> Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
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206 changes: 206 additions & 0 deletions
206
internal/app/machined/pkg/runtime/v1alpha1/platform/akamai/akamai.go
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// This Source Code Form is subject to the terms of the Mozilla Public | ||
// License, v. 2.0. If a copy of the MPL was not distributed with this | ||
// file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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// Package akamai contains the Akamai implementation of the [platform.Platform]. | ||
package akamai | ||
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import ( | ||
"context" | ||
"fmt" | ||
"net/netip" | ||
"strconv" | ||
"strings" | ||
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"github.com/cosi-project/runtime/pkg/state" | ||
akametadata "github.com/linode/go-metadata" | ||
"github.com/siderolabs/go-procfs/procfs" | ||
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"github.com/siderolabs/talos/internal/app/machined/pkg/runtime" | ||
"github.com/siderolabs/talos/internal/app/machined/pkg/runtime/v1alpha1/platform/internal/netutils" | ||
"github.com/siderolabs/talos/pkg/machinery/constants" | ||
"github.com/siderolabs/talos/pkg/machinery/nethelpers" | ||
"github.com/siderolabs/talos/pkg/machinery/resources/network" | ||
runtimeres "github.com/siderolabs/talos/pkg/machinery/resources/runtime" | ||
) | ||
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// Akamai is the concrete type that implements the platform.Platform interface. | ||
type Akamai struct{} | ||
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// Name implements the platform.Platform interface. | ||
func (a *Akamai) Name() string { | ||
return "akamai" | ||
} | ||
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// ParseMetadata converts Akamai platform metadata into platform network config. | ||
func (a *Akamai) ParseMetadata(metadata *akametadata.InstanceData, interfaceAddresses *akametadata.NetworkData) (*runtime.PlatformNetworkConfig, error) { | ||
networkConfig := &runtime.PlatformNetworkConfig{} | ||
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if metadata.Label != "" { | ||
hostnameSpec := network.HostnameSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
} | ||
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if err := hostnameSpec.ParseFQDN(metadata.Label); err != nil { | ||
return nil, err | ||
} | ||
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networkConfig.Hostnames = append(networkConfig.Hostnames, hostnameSpec) | ||
} | ||
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publicIPs := make([]string, 0, len(interfaceAddresses.IPv4.Public)+len(interfaceAddresses.IPv6.Ranges)) | ||
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// external IP | ||
for _, iface := range interfaceAddresses.IPv4.Public { | ||
publicIPs = append(publicIPs, iface.Addr().String()) | ||
networkConfig.Addresses = append(networkConfig.Addresses, | ||
network.AddressSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
LinkName: "eth0", | ||
Address: iface, | ||
Scope: nethelpers.ScopeGlobal, | ||
Flags: nethelpers.AddressFlags(nethelpers.AddressPermanent), | ||
Family: nethelpers.FamilyInet4, | ||
}, | ||
) | ||
} | ||
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for _, iface := range interfaceAddresses.IPv4.Private { | ||
networkConfig.Addresses = append(networkConfig.Addresses, | ||
network.AddressSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
LinkName: "eth0", | ||
Address: iface, | ||
Scope: nethelpers.ScopeGlobal, | ||
Flags: nethelpers.AddressFlags(nethelpers.AddressPermanent), | ||
Family: nethelpers.FamilyInet4, | ||
}, | ||
) | ||
} | ||
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for _, iface := range interfaceAddresses.IPv6.Ranges { | ||
publicIPs = append(publicIPs, iface.Addr().String()) | ||
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networkConfig.Addresses = append(networkConfig.Addresses, | ||
network.AddressSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
LinkName: "eth0", | ||
Address: iface, | ||
Scope: nethelpers.ScopeGlobal, | ||
Flags: nethelpers.AddressFlags(nethelpers.AddressManagementTemp), | ||
Family: nethelpers.FamilyInet6, | ||
}, | ||
) | ||
} | ||
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networkConfig.Addresses = append(networkConfig.Addresses, | ||
network.AddressSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
LinkName: "eth0", | ||
Address: interfaceAddresses.IPv6.LinkLocal, | ||
Scope: nethelpers.ScopeLink, | ||
Family: nethelpers.FamilyInet6, | ||
}, | ||
) | ||
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ipv6gw, err := netip.ParseAddr(strings.Split(interfaceAddresses.IPv6.LinkLocal.String(), ":")[0] + "::1") | ||
if err != nil { | ||
return nil, err | ||
} | ||
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route := network.RouteSpecSpec{ | ||
ConfigLayer: network.ConfigPlatform, | ||
Gateway: ipv6gw, | ||
OutLinkName: "eth0", | ||
Destination: interfaceAddresses.IPv6.LinkLocal, | ||
Table: nethelpers.TableMain, | ||
Protocol: nethelpers.ProtocolStatic, | ||
Type: nethelpers.TypeUnicast, | ||
Family: nethelpers.FamilyInet6, | ||
Priority: 1024, | ||
} | ||
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route.Normalize() | ||
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networkConfig.Routes = append(networkConfig.Routes, route) | ||
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for _, ipStr := range publicIPs { | ||
if ip, err := netip.ParseAddr(ipStr); err == nil { | ||
networkConfig.ExternalIPs = append(networkConfig.ExternalIPs, ip) | ||
} | ||
} | ||
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networkConfig.Metadata = &runtimeres.PlatformMetadataSpec{ | ||
Platform: a.Name(), | ||
Hostname: metadata.Label, | ||
Region: metadata.Region, | ||
InstanceType: metadata.Type, | ||
InstanceID: strconv.Itoa(metadata.ID), | ||
ProviderID: fmt.Sprintf("linode://%d", metadata.ID), | ||
} | ||
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return networkConfig, nil | ||
} | ||
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// Configuration implements the platform.Platform interface. | ||
func (a *Akamai) Configuration(ctx context.Context, r state.State) ([]byte, error) { | ||
if err := netutils.Wait(ctx, r); err != nil { | ||
return nil, err | ||
} | ||
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metadataClient, err := akametadata.NewClient(ctx) | ||
if err != nil { | ||
return nil, fmt.Errorf("new metadata client: %w", err) | ||
} | ||
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userData, err := metadataClient.GetUserData(ctx) | ||
if err != nil { | ||
return nil, fmt.Errorf("get user data: %w", err) | ||
} | ||
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return []byte(userData), err | ||
} | ||
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// Mode implements the platform.Platform interface. | ||
func (a *Akamai) Mode() runtime.Mode { | ||
return runtime.ModeCloud | ||
} | ||
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// KernelArgs implements the runtime.Platform interface. | ||
func (a *Akamai) KernelArgs(string) procfs.Parameters { | ||
return []*procfs.Parameter{ | ||
procfs.NewParameter("console").Append("ttyS0").Append("tty0").Append("tty1"), | ||
procfs.NewParameter(constants.KernelParamNetIfnames).Append("0"), | ||
} | ||
} | ||
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// NetworkConfiguration implements the runtime.Platform interface. | ||
func (a *Akamai) NetworkConfiguration(ctx context.Context, _ state.State, ch chan<- *runtime.PlatformNetworkConfig) error { | ||
metadataClient, err := akametadata.NewClient(ctx) | ||
if err != nil { | ||
return fmt.Errorf("new metadata client: %w", err) | ||
} | ||
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metadata, err := metadataClient.GetInstance(ctx) | ||
if err != nil { | ||
return fmt.Errorf("get instance data: %w", err) | ||
} | ||
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metadataNetworkConfig, err := metadataClient.GetNetwork(ctx) | ||
if err != nil { | ||
return fmt.Errorf("get network data: %w", err) | ||
} | ||
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networkConfig, err := a.ParseMetadata(metadata, metadataNetworkConfig) | ||
if err != nil { | ||
return fmt.Errorf("parse metadata: %w", err) | ||
} | ||
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select { | ||
case ch <- networkConfig: | ||
case <-ctx.Done(): | ||
return ctx.Err() | ||
} | ||
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return nil | ||
} |
48 changes: 48 additions & 0 deletions
48
internal/app/machined/pkg/runtime/v1alpha1/platform/akamai/akamai_test.go
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// This Source Code Form is subject to the terms of the Mozilla Public | ||
// License, v. 2.0. If a copy of the MPL was not distributed with this | ||
// file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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package akamai_test | ||
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import ( | ||
_ "embed" | ||
"encoding/json" | ||
"testing" | ||
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akametadata "github.com/linode/go-metadata" | ||
"github.com/stretchr/testify/assert" | ||
"github.com/stretchr/testify/require" | ||
"gopkg.in/yaml.v3" | ||
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"github.com/siderolabs/talos/internal/app/machined/pkg/runtime/v1alpha1/platform/akamai" | ||
) | ||
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//go:embed testdata/instance.json | ||
var rawMetadata []byte | ||
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//go:embed testdata/network.json | ||
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var rawNetwork []byte | ||
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//go:embed testdata/expected.yaml | ||
var expectedNetworkConfig string | ||
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func TestParseMetadata(t *testing.T) { | ||
p := &akamai.Akamai{} | ||
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var metadata akametadata.InstanceData | ||
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var interfaceConfig akametadata.NetworkData | ||
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require.NoError(t, json.Unmarshal(rawMetadata, &metadata)) | ||
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require.NoError(t, json.Unmarshal(rawNetwork, &interfaceConfig)) | ||
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networkConfig, err := p.ParseMetadata(&metadata, &interfaceConfig) | ||
require.NoError(t, err) | ||
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marshaled, err := yaml.Marshal(networkConfig) | ||
require.NoError(t, err) | ||
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assert.Equal(t, expectedNetworkConfig, string(marshaled)) | ||
} |
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