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113 lines
3.4 KiB
113 lines
3.4 KiB
/*
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Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package cluster
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import (
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"fmt"
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k3drt "github.com/rancher/k3d/pkg/runtimes"
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k3dContainerd "github.com/rancher/k3d/pkg/runtimes/containerd"
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k3dDocker "github.com/rancher/k3d/pkg/runtimes/docker"
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k3d "github.com/rancher/k3d/pkg/types"
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log "github.com/sirupsen/logrus"
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)
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// CreateNodes creates a list of nodes
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func CreateNodes(nodes []*k3d.Node, runtime k3drt.Runtime) { // TODO: pass `--atomic` flag, so we stop and return an error if any node creation fails?
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for _, node := range nodes {
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if err := CreateNode(node, runtime); err != nil {
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log.Error(err)
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}
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}
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}
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// CreateNode creates a new containerized k3s node
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func CreateNode(node *k3d.Node, runtime k3drt.Runtime) error {
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log.Debugf("Creating node from spec\n%+v", node)
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/*
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* CONFIGURATION
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*/
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// global node configuration (applies for any node role)
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labels := make(map[string]string)
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for k, v := range k3d.DefaultObjectLabels {
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labels[k] = v
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}
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for k, v := range node.Labels {
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labels[k] = v
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}
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node.Labels = labels
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// specify options depending on node role
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if node.Role == k3d.WorkerRole { // TODO: check here AND in CLI or only here?
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if err := patchWorkerSpec(node); err != nil {
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return err
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}
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} else if node.Role == k3d.MasterRole {
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if err := patchMasterSpec(node); err != nil {
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return err
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}
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log.Debugf("spec = %+v\n", node)
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} else {
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return fmt.Errorf("Unknown node role '%s'", node.Role)
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}
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/*
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* CREATION
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*/
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if err := runtime.CreateNode(node); err != nil {
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return err
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}
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return nil
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}
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// DeleteNode deletes an existing node
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func DeleteNode(node *k3d.Node, runtimeChoice string) error {
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var runtime k3drt.Runtime
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if runtimeChoice == "docker" {
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runtime = k3dDocker.Docker{}
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} else {
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runtime = k3dContainerd.Containerd{}
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}
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if err := runtime.DeleteNode(node); err != nil {
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log.Error(err)
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}
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return nil
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}
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// patchWorkerSpec adds worker node specific settings to a node
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func patchWorkerSpec(node *k3d.Node) error {
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node.Args = append([]string{"agent"}, node.Args...)
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node.Labels["role"] = string(k3d.MasterRole) // TODO: maybe put those in a global var DefaultWorkerNodeSpec?
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return nil
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}
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// patchMasterSpec adds worker node specific settings to a node
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func patchMasterSpec(node *k3d.Node) error {
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node.Args = append([]string{"server"}, node.Args...)
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node.Labels["role"] = string(k3d.MasterRole) // TODO: maybe put those in a global var DefaultMasterNodeSpec?
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return nil
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}
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