forked from rook/rook
Sébastien Han
5ce2ed220e
We now use the error package. Kubernetes errors have been renamed kerrors since they are lower than 'errors'. Closes: https://github.com/rook/rook/issues/4054 Signed-off-by: Sébastien Han <seb@redhat.com>
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mon
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import (
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"github.com/pkg/errors"
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v1 "k8s.io/api/core/v1"
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)
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// NodeUsage is a mapping between a Node and computed metadata about the node
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// that is used in monitor pod scheduling.
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type NodeUsage struct {
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Node *v1.Node
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// The number of monitor pods assigned to the node
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MonCount int
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// The node is available for scheduling monitor pods. This is equivalent to
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// evaluating k8sutil.ValidNode(node, cephv1.GetMonPlacement(c.spec.Placement))
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MonValid bool
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}
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// Look up the immutable node name from the hostname label
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func getNodeNameFromHostname(nodes *v1.NodeList, hostname string) (string, bool) {
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for _, node := range nodes.Items {
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if node.Labels[v1.LabelHostname] == hostname {
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return node.Name, true
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}
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if node.Name == hostname {
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return node.Name, true
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}
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}
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return "", false
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}
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func getNodeInfoFromNode(n v1.Node) (*NodeInfo, error) {
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nr := &NodeInfo{
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Name: n.Name,
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Hostname: n.Labels[v1.LabelHostname],
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}
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for _, ip := range n.Status.Addresses {
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if ip.Type == v1.NodeExternalIP || ip.Type == v1.NodeInternalIP {
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logger.Debugf("using IP %s for node %s", ip.Address, n.Name)
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nr.Address = ip.Address
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break
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}
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}
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if nr.Address == "" {
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return nil, errors.Errorf("couldn't get IP of node %s", nr.Name)
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}
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return nr, nil
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}
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