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Merge pull request #140 from arangodb/feature/tolerations
Added `tolerations` field to configure tolerations of generated pods.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // | ||
| // DISCLAIMER | ||
| // | ||
| // Copyright 2018 ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // Copyright holder is ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Author Ewout Prangsma | ||
| // | ||
|
|
||
| package k8sutil | ||
|
|
||
| import ( | ||
| "time" | ||
|
|
||
| "k8s.io/api/core/v1" | ||
| ) | ||
|
|
||
| const ( | ||
| TolerationKeyNodeNotReady = "node.kubernetes.io/not-ready" | ||
| TolerationKeyNodeAlphaUnreachable = "node.alpha.kubernetes.io/unreachable" | ||
| TolerationKeyNodeUnreachable = "node.kubernetes.io/unreachable" | ||
| ) | ||
|
|
||
| // TolerationDuration is a duration spec for tolerations. | ||
| type TolerationDuration struct { | ||
| Forever bool | ||
| TimeSpan time.Duration | ||
| } | ||
|
|
||
| // NewNoExecuteToleration is a helper to create a Toleration with | ||
| // Key=key, Operator='Exists' Effect='NoExecute', TolerationSeconds=tolerationDuration.Seconds(). | ||
| func NewNoExecuteToleration(key string, duration TolerationDuration) v1.Toleration { | ||
| t := v1.Toleration{ | ||
| Key: key, | ||
| Operator: "Exists", | ||
| Effect: "NoExecute", | ||
| } | ||
| if !duration.Forever { | ||
| tolerationSeconds := int64(duration.TimeSpan.Seconds()) | ||
| t.TolerationSeconds = &tolerationSeconds | ||
| } | ||
| return t | ||
| } | ||
|
|
||
| // AddTolerationIfNotFound adds the given tolerations, if no such toleration has been set in the given source. | ||
| func AddTolerationIfNotFound(source []v1.Toleration, toAdd v1.Toleration) []v1.Toleration { | ||
| for _, t := range source { | ||
| if (t.Key == toAdd.Key || len(t.Key) == 0) && (t.Effect == toAdd.Effect || len(t.Effect) == 0) { | ||
| // Toleration alread exists, do not add | ||
| return source | ||
| } | ||
| } | ||
| return append(source, toAdd) | ||
| } |