mirror of
https://github.com/FairwindsOps/polaris.git
synced 2026-05-11 11:47:12 +00:00
88 lines
2.1 KiB
Go
88 lines
2.1 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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corev1 "k8s.io/api/core/v1"
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)
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type containerResults struct {
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Name string
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Reason string
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}
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func validateContainer(container corev1.Container) containerResults {
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var sb strings.Builder
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results := containerResults{
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Name: container.Name,
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}
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resources(container, sb)
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probes(container, sb)
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tag(container, sb)
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results.Reason = sb.String()
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return results
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}
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func resources(c corev1.Container, sb strings.Builder) string {
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log.Info("validating Container:", "container resources", c.Resources)
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if c.Resources.Requests.Cpu().IsZero() {
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sb.WriteString("- CPU requests are not set.\n")
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}
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if c.Resources.Requests.Memory().IsZero() {
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sb.WriteString("- Memory requests are not set.\n")
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}
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if c.Resources.Limits.Cpu().IsZero() {
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sb.WriteString("- CPU limits are not set.\n")
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}
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if c.Resources.Limits.Memory().IsZero() {
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sb.WriteString("- Memory limits are not set.\n")
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}
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return sb.String()
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}
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func probes(c corev1.Container, sb strings.Builder) string {
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if c.ReadinessProbe == nil {
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sb.WriteString("- Readiness Probe is not set.\n")
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}
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if c.LivenessProbe == nil {
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sb.WriteString("- Liveness Probe is not set.\n")
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}
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return sb.String()
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}
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func tag(c corev1.Container, sb strings.Builder) string {
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img := strings.Split(c.Image, ":")
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if len(img) == 1 || img[1] == "latest" {
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sb.WriteString("- Image tag is latest.\n")
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}
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return sb.String()
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}
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func hostPort(c corev1.Container, sb strings.Builder) string {
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for _, port := range c.Ports {
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if port.HostPort != 0 {
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sb.WriteString("- Host Port set.\n")
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}
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}
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return sb.String()
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}
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