cc5d82883c
This builder pattern refactors things so that we can use the same code to generate manifests/etc. This means that if we make sure that we exclusively use those, we can do testing there and keep something common. Change-Id: Ibc39f9b9e3e21b18fb255ba2a67d2d8ba3b5c585
75 lines
1.8 KiB
Go
Executable File
75 lines
1.8 KiB
Go
Executable File
package builders
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import (
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corev1 "k8s.io/api/core/v1"
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v1 "k8s.io/api/core/v1"
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"k8s.io/utils/pointer"
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)
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// PodSpecBuilder is an interface for building a PodSpec
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type PodSpecBuilder struct {
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obj *corev1.PodSpec
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containers []*ContainerBuilder
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volumes []*VolumeBuilder
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}
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// PodSpec returns a builder object for a PodSpec
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func PodSpec() *PodSpecBuilder {
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podSpec := &corev1.PodSpec{
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DNSPolicy: corev1.DNSClusterFirst,
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RestartPolicy: corev1.RestartPolicyAlways,
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SchedulerName: "default-scheduler",
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// SecurityContext: &v1.PodSecurityContext{
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// RunAsNonRoot: pointer.BoolPtr(true),
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// },
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TerminationGracePeriodSeconds: pointer.Int64Ptr(10),
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}
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return &PodSpecBuilder{
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obj: podSpec,
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}
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}
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// Containers appends a container builder to the PodSpec
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func (ps *PodSpecBuilder) Containers(c ...*ContainerBuilder) *PodSpecBuilder {
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ps.containers = c
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return ps
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}
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// Volumes appends a volume builder to the PodSpec
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func (ps *PodSpecBuilder) Volumes(v ...*VolumeBuilder) *PodSpecBuilder {
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ps.volumes = v
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return ps
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}
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// NodeSelector defines a NodeSelector for PodSpec
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func (ps *PodSpecBuilder) NodeSelector(selector map[string]string) *PodSpecBuilder {
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ps.obj.NodeSelector = selector
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return ps
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}
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// Tolerations defines tolerations for PodSpec
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func (ps *PodSpecBuilder) Tolerations(tolerations []v1.Toleration) *PodSpecBuilder {
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ps.obj.Tolerations = tolerations
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return ps
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}
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// Build generates an object ensuring that all sub-objects work
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func (ps *PodSpecBuilder) Build() (corev1.PodSpec, error) {
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for _, c := range ps.containers {
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container, err := c.Build()
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if err != nil {
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return corev1.PodSpec{}, err
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}
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ps.obj.Containers = append(ps.obj.Containers, container)
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}
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for _, v := range ps.volumes {
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volume := v.Build()
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ps.obj.Volumes = append(ps.obj.Volumes, volume)
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}
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return *ps.obj, nil
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}
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