mirror of
https://github.com/FairwindsOps/polaris.git
synced 2026-05-14 05:06:59 +00:00
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
// Copyright 2018 ReactiveOps
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package validator
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import (
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"strings"
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conf "github.com/reactiveops/fairwinds/pkg/config"
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"github.com/reactiveops/fairwinds/pkg/types"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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)
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func validateContainer(conf conf.Configuration, container corev1.Container) types.ContainerResults {
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results := types.ContainerResults{
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Name: container.Name,
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}
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results = resources(conf.Resources, container, results)
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results = probes(conf.Resources, container, results)
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results = tag(conf.Resources, container, results)
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return results
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}
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func resources(conf conf.ResourceRequestsAndLimits, c corev1.Container, results types.ContainerResults) types.ContainerResults {
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confCPUmin, err := resource.ParseQuantity(conf.Requests["cpu"].Min)
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if err != nil {
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log.Error(err, "cpu min parse quan")
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}
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// CPUmax, err := resource.ParseQuantity(conf["cpu"].Max)
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// if err != nil {
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// log.Error(err, "cpu max parse quan")
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// }
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containerRequests := c.Resources.Requests.Cpu()
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if containerRequests.MilliValue() < confCPUmin.MilliValue() {
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results.AddFailure("CPU requests", confCPUmin.String(), containerRequests.String())
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}
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if c.Resources.Requests.Memory().IsZero() {
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results.AddFailure("Memory requests", "placeholder", "placeholder")
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}
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if c.Resources.Limits.Cpu().IsZero() {
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results.AddFailure("CPU limits", "placeholder", "placeholder")
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}
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if c.Resources.Limits.Memory().IsZero() {
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results.AddFailure("Memory limits", "placeholder", "placeholder")
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}
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return results
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}
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func probes(conf conf.ResourceRequestsAndLimits, c corev1.Container, results types.ContainerResults) types.ContainerResults {
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if c.ReadinessProbe == nil {
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results.AddFailure("Readiness Probe", "placeholder", "placeholder")
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}
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if c.LivenessProbe == nil {
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results.AddFailure("Liveness Probe", "placeholder", "placeholder")
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}
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return results
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}
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func tag(conf conf.ResourceRequestsAndLimits, c corev1.Container, results types.ContainerResults) types.ContainerResults {
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img := strings.Split(c.Image, ":")
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if len(img) == 1 || img[1] == "latest" {
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results.AddFailure("Image Tag", "not latest", "latest")
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}
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return results
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}
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func hostPort(conf conf.ResourceRequestsAndLimits, c corev1.Container, results types.ContainerResults) types.ContainerResults {
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for _, port := range c.Ports {
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if port.HostPort != 0 {
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results.AddFailure("Host port", "placeholder", "placeholder")
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}
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}
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return results
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}
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