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kube-arangodb/internal/actions.go
2023-08-18 09:51:51 +02:00

436 lines
9.4 KiB
Go

//
// DISCLAIMER
//
// Copyright 2016-2023 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
//
package internal
import (
_ "embed"
"fmt"
"os"
"path"
"sort"
"text/template"
"time"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/yaml"
"github.com/arangodb/kube-arangodb/internal/md"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
"github.com/arangodb/kube-arangodb/pkg/util"
"github.com/arangodb/kube-arangodb/pkg/util/strings"
)
//go:embed actions.yaml
var actions []byte
//go:embed actions.go.tmpl
var actionsGoTemplate []byte
//go:embed actions.register.go.tmpl
var actionsRegisterGoTemplate []byte
//go:embed actions.config.go.tmpl
var actionsConfigGoTemplate []byte
//go:embed actions.register.test.go.tmpl
var actionsRegisterTestGoTemplate []byte
type ActionsInput struct {
DefaultTimeout meta.Duration `json:"default_timeout"`
Actions map[string]Action `json:"actions"`
}
func (i ActionsInput) Keys() []string {
z := make([]string, 0, len(i.Actions))
for k := range i.Actions {
z = append(z, k)
}
sort.Strings(z)
return z
}
func (i ActionsInput) Optionals() map[string]bool {
r := map[string]bool{}
for k, v := range i.Actions {
r[k] = v.Optional
}
return r
}
type Scopes struct {
Normal, High, Resource bool
}
func (s Scopes) String() string {
q := make([]string, 0, 3)
if s.High {
q = append(q, "High")
}
if s.Normal {
q = append(q, "Normal")
}
if s.Resource {
q = append(q, "Resource")
}
if len(q) > 2 {
q = []string{
strings.Join(q[0:len(q)-1], ", "),
q[len(q)-1],
}
}
return strings.Join(q, " and ")
}
func (i ActionsInput) Scopes() map[string]Scopes {
r := map[string]Scopes{}
for k, a := range i.Actions {
r[k] = Scopes{
Normal: a.InScope("normal"),
High: a.InScope("high"),
Resource: a.InScope("resource"),
}
}
return r
}
func (i ActionsInput) StartFailureGracePeriods() map[string]string {
r := map[string]string{}
for k, a := range i.Actions {
if a.StartupFailureGracePeriod == nil {
r[k] = ""
} else {
r[k] = fmt.Sprintf("%d * time.Second", a.StartupFailureGracePeriod.Duration/time.Second)
}
}
return r
}
func (i ActionsInput) Internal() map[string]string {
r := map[string]string{}
for a, spec := range i.Actions {
if spec.IsInternal {
r[a] = "true"
}
}
return r
}
func (i ActionsInput) HighestScopes() map[string]string {
r := map[string]string{}
for k, a := range i.Scopes() {
if a.High {
r[k] = "High"
} else if a.Normal {
r[k] = "Normal"
} else if a.Resource {
r[k] = "Resource"
} else {
r[k] = "Unknown"
}
}
return r
}
func (i ActionsInput) Descriptions() map[string]string {
r := map[string]string{}
for k, a := range i.Actions {
r[k] = a.Description
}
return r
}
func (i ActionsInput) Timeouts() map[string]string {
r := map[string]string{}
for k, a := range i.Actions {
if a.Timeout != nil {
r[k] = fmt.Sprintf("%d * time.Second // %s", a.Timeout.Duration/time.Second, a.Timeout.Duration.String())
} else {
r[k] = "ActionsDefaultTimeout"
}
}
return r
}
func (i ActionsInput) Configurable() []string {
var r []string
for k, a := range i.Actions {
if a.Configurable {
r = append(r, k)
}
}
return r
}
func (i ActionsInput) Deprecated() map[string]string {
r := map[string]string{}
for k, a := range i.Actions {
r[k] = util.TypeOrDefault(a.Deprecated, "")
}
return r
}
type Action struct {
Timeout *meta.Duration `json:"timeout,omitempty"`
StartupFailureGracePeriod *meta.Duration `json:"startupFailureGracePeriod,omitempty"`
Scopes []string `json:"scopes,omitempty"`
Description string `json:"description"`
Enterprise bool `json:"enterprise"`
IsInternal bool `json:"isInternal"`
Optional bool `json:"optional"`
Configurable bool `json:"configurable"`
Deprecated *string `json:"deprecated"`
}
func (a Action) InScope(scope string) bool {
if a.Scopes == nil {
return strings.Title(scope) == "Normal"
}
for _, x := range a.Scopes {
if strings.Title(scope) == strings.Title(x) {
return true
}
}
return false
}
func RenderActions(root string) error {
var in ActionsInput
if err := yaml.Unmarshal(actions, &in); err != nil {
return err
}
{
actions := path.Join(root, "pkg", "apis", "deployment", "v1", "actions.generated.go")
out, err := os.OpenFile(actions, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
return err
}
i, err := template.New("actions").Parse(string(actionsGoTemplate))
if err != nil {
return err
}
if err := i.Execute(out, map[string]interface{}{
"actions": in.Keys(),
"scopes": in.Scopes(),
"highestScopes": in.HighestScopes(),
"internal": in.Internal(),
"timeouts": in.Timeouts(),
"descriptions": in.Descriptions(),
"optionals": in.Optionals(),
"deprecated": in.Deprecated(),
"defaultTimeout": fmt.Sprintf("%d * time.Second // %s", in.DefaultTimeout.Duration/time.Second, in.DefaultTimeout.Duration.String()),
}); err != nil {
return err
}
if err := out.Close(); err != nil {
return err
}
}
{
actions := path.Join(root, "pkg", "deployment", "reconcile", "action.register.generated.go")
out, err := os.OpenFile(actions, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
return err
}
i, err := template.New("actions").Parse(string(actionsRegisterGoTemplate))
if err != nil {
return err
}
if err := i.Execute(out, map[string]interface{}{
"actions": in.Keys(),
"startupFailureGracePeriods": in.StartFailureGracePeriods(),
"deprecated": in.Deprecated(),
}); err != nil {
return err
}
if err := out.Close(); err != nil {
return err
}
}
{
actions := path.Join(root, "pkg", "deployment", "reconcile", "action.config.generated.go")
out, err := os.OpenFile(actions, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
return err
}
i, err := template.New("actions").Parse(string(actionsConfigGoTemplate))
if err != nil {
return err
}
if err := i.Execute(out, map[string]interface{}{
"configurable": in.Configurable(),
}); err != nil {
return err
}
if err := out.Close(); err != nil {
return err
}
}
{
actions := path.Join(root, "pkg", "deployment", "reconcile", "action.register.generated_test.go")
out, err := os.OpenFile(actions, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0644)
if err != nil {
return err
}
i, err := template.New("actions").Parse(string(actionsRegisterTestGoTemplate))
if err != nil {
return err
}
if err := i.Execute(out, map[string]interface{}{
"actions": in.Keys(),
"startupFailureGracePeriods": in.StartFailureGracePeriods(),
"internal": in.Internal(),
"optional": in.Optionals(),
"deprecated": in.Deprecated(),
}); err != nil {
return err
}
if err := out.Close(); err != nil {
return err
}
}
{
actions := path.Join(root, "docs", "generated", "actions.md")
action := md.NewColumn("Action", md.ColumnCenterAlign)
timeout := md.NewColumn("Timeout", md.ColumnCenterAlign)
description := md.NewColumn("Description", md.ColumnCenterAlign)
internal := md.NewColumn("Internal", md.ColumnCenterAlign)
optional := md.NewColumn("Optional", md.ColumnCenterAlign)
edition := md.NewColumn("Edition", md.ColumnCenterAlign)
t := md.NewTable(
action,
internal,
timeout,
optional,
edition,
description,
)
for _, k := range in.Keys() {
name := k
if in.Actions[k].Deprecated != nil {
name = fmt.Sprintf("~~%s~~", name)
}
a := in.Actions[k]
v := in.DefaultTimeout.Duration.String()
if t := a.Timeout; t != nil {
v = t.Duration.String()
}
vr := "Community & Enterprise"
if a.Enterprise {
vr = "Enterprise Only"
}
int := "yes"
if !a.IsInternal {
int = "no"
}
opt := "yes"
if !a.Optional {
opt = "no"
}
if err := t.AddRow(map[md.Column]string{
action: name,
timeout: v,
description: a.Description,
edition: vr,
optional: opt,
internal: int,
}); err != nil {
return err
}
}
timeouts := api.ActionTimeouts{}
for _, k := range in.Keys() {
a := in.Actions[k]
if a.Timeout != nil {
timeouts[api.ActionType(k)] = api.NewTimeout(a.Timeout.Duration)
} else {
timeouts[api.ActionType(k)] = api.NewTimeout(in.DefaultTimeout.Duration)
}
}
d, err := yaml.Marshal(map[string]interface{}{
"spec": map[string]interface{}{
"timeouts": map[string]interface{}{
"actions": timeouts,
},
},
})
if err != nil {
return err
}
if err := md.ReplaceSectionsInFile(actions, map[string]string{
"actionsTable": md.WrapWithNewLines(t.Render()),
"actionsModYaml": md.WrapWithNewLines(md.WrapWithYAMLSegment(string(d))),
}); err != nil {
return err
}
}
return nil
}