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https://github.com/edgelesssys/constellation.git
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b92b3772ca
* remove access manager from code base * document new node ssh workflow * keep config backwards compatible * slow down link checking to prevent http 429 Signed-off-by: Fabian Kammel <fk@edgeless.systems>
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package metadata
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import (
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"context"
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"fmt"
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"net"
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"strconv"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/role"
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)
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// InstanceMetadata describes metadata of a peer.
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type InstanceMetadata struct {
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Name string
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ProviderID string
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Role role.Role
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// VPCIP is the primary IP address of the instance in the VPC.
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VPCIP string
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// SecondaryIPRange is the VPC wide CIDR from which subnets are attached to VMs as AliasIPRanges.
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// May be empty on certain CSPs.
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SecondaryIPRange string
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// AliasIPRanges is a list of IP ranges that are attached.
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// May be empty on certain CSPs.
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AliasIPRanges []string
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}
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// InstanceSelfer provide instance metadata about themselves.
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type InstanceSelfer interface {
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// Self retrieves the current instance.
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Self(ctx context.Context) (InstanceMetadata, error)
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}
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// InstanceLister list information about instance metadata.
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type InstanceLister interface {
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// List retrieves all instances belonging to the current constellation.
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List(ctx context.Context) ([]InstanceMetadata, error)
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}
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// JoinServiceEndpoints returns the list of endpoints for the join service, which are running on the control plane nodes.
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func JoinServiceEndpoints(ctx context.Context, lister InstanceLister) ([]string, error) {
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instances, err := lister.List(ctx)
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if err != nil {
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return nil, fmt.Errorf("retrieving instances list from cloud provider: %w", err)
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}
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joinEndpoints := []string{}
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for _, instance := range instances {
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if instance.Role == role.ControlPlane {
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if instance.VPCIP != "" {
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joinEndpoints = append(joinEndpoints, net.JoinHostPort(instance.VPCIP, strconv.Itoa(constants.JoinServiceNodePort)))
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}
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}
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}
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return joinEndpoints, nil
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}
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