mirror of
https://github.com/edgelesssys/constellation.git
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79 lines
3.2 KiB
Go
79 lines
3.2 KiB
Go
package state
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import (
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"errors"
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"github.com/edgelesssys/constellation/internal/cloud/cloudtypes"
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"github.com/edgelesssys/constellation/internal/config"
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"github.com/edgelesssys/constellation/internal/state"
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)
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// Code in this file is mostly copied from constellation-coordinator
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// TODO: import as package from coordinator once it is properly refactored
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func GetScalingGroupsFromConfig(stat state.ConstellationState, config *config.Config) (coordinators, nodes cloudtypes.ScalingGroup, err error) {
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switch {
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case len(stat.GCPCoordinators) != 0:
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return getGCPInstances(stat, config)
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case len(stat.AzureCoordinators) != 0:
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return getAzureInstances(stat, config)
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case len(stat.QEMUCoordinators) != 0:
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return getQEMUInstances(stat, config)
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default:
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no instances to init")
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}
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}
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func getGCPInstances(stat state.ConstellationState, config *config.Config) (coordinators, nodes cloudtypes.ScalingGroup, err error) {
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if len(stat.GCPCoordinators) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no control-plane nodes available, can't create Constellation without any instance")
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}
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// GroupID of coordinators is empty, since they currently do not scale.
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coordinators = cloudtypes.ScalingGroup{Instances: stat.GCPCoordinators}
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if len(stat.GCPNodes) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no worker nodes available, can't create Constellation with one instance")
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}
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// TODO: make min / max configurable and abstract autoscaling for different cloud providers
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nodes = cloudtypes.ScalingGroup{Instances: stat.GCPNodes}
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return
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}
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func getAzureInstances(stat state.ConstellationState, _ *config.Config) (coordinators, nodes cloudtypes.ScalingGroup, err error) {
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if len(stat.AzureCoordinators) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no control-plane nodes available, can't create Constellation cluster without any instance")
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}
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// GroupID of coordinators is empty, since they currently do not scale.
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coordinators = cloudtypes.ScalingGroup{Instances: stat.AzureCoordinators}
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if len(stat.AzureNodes) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no worker nodes available, can't create Constellation cluster with one instance")
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}
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// TODO: make min / max configurable and abstract autoscaling for different cloud providers
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nodes = cloudtypes.ScalingGroup{Instances: stat.AzureNodes}
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return
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}
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func getQEMUInstances(stat state.ConstellationState, config *config.Config) (coordinators, nodes cloudtypes.ScalingGroup, err error) {
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coordinatorMap := stat.QEMUCoordinators
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if len(coordinatorMap) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no coordinators available, can't create Constellation without any instance")
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}
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// QEMU does not support autoscaling
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coordinators = cloudtypes.ScalingGroup{Instances: stat.QEMUCoordinators}
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if len(stat.QEMUNodes) == 0 {
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return cloudtypes.ScalingGroup{}, cloudtypes.ScalingGroup{}, errors.New("no nodes available, can't create Constellation with one instance")
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}
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// QEMU does not support autoscaling
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nodes = cloudtypes.ScalingGroup{Instances: stat.QEMUNodes}
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return
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}
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