IsNodeReachable checks if a node is: 1. Ready 2. Not tainted with the unreachable taint
( ctx context.Context, crudClient client.Client, nodeName string, )
| 137 | // 1. Ready |
| 138 | // 2. Not tainted with the unreachable taint |
| 139 | func IsNodeReachable( |
| 140 | ctx context.Context, |
| 141 | crudClient client.Client, |
| 142 | nodeName string, |
| 143 | ) (bool, error) { |
| 144 | node := &corev1.Node{} |
| 145 | err := crudClient.Get(ctx, client.ObjectKey{Name: nodeName}, node) |
| 146 | if err != nil { |
| 147 | return false, err |
| 148 | } |
| 149 | for _, condition := range node.Status.Conditions { |
| 150 | if condition.Type == corev1.NodeReady && condition.Status == corev1.ConditionFalse { |
| 151 | return false, nil |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | // check that the node does not have the unreachable taint |
| 156 | for _, taint := range node.Spec.Taints { |
| 157 | if taint.Key == corev1.TaintNodeUnreachable { |
| 158 | return false, nil |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | return true, nil |
| 163 | } |