feat(refacto): move everything in internal package
This allows to install katenary with `go install` and to clean up the project folder.
This commit is contained in:
736
internal/generator/deployment.go
Normal file
736
internal/generator/deployment.go
Normal file
@@ -0,0 +1,736 @@
|
||||
package generator
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/katenary/katenary/internal/generator/labels"
|
||||
"github.com/katenary/katenary/internal/generator/labels/labelstructs"
|
||||
"github.com/katenary/katenary/internal/utils"
|
||||
"log"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"regexp"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/compose-spec/compose-go/types"
|
||||
appsv1 "k8s.io/api/apps/v1"
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
)
|
||||
|
||||
var _ Yaml = (*Deployment)(nil)
|
||||
|
||||
type mountPathConfig struct {
|
||||
mountPath string
|
||||
subPath string
|
||||
}
|
||||
|
||||
type ConfigMapMount struct {
|
||||
configMap *ConfigMap
|
||||
mountPath []mountPathConfig
|
||||
}
|
||||
|
||||
// Deployment is a kubernetes Deployment.
|
||||
type Deployment struct {
|
||||
*appsv1.Deployment `yaml:",inline"`
|
||||
chart *HelmChart `yaml:"-"`
|
||||
configMaps map[string]*ConfigMapMount `yaml:"-"`
|
||||
volumeMap map[string]string `yaml:"-"` // keep map of fixed named to original volume name
|
||||
service *types.ServiceConfig `yaml:"-"`
|
||||
defaultTag string `yaml:"-"`
|
||||
isMainApp bool `yaml:"-"`
|
||||
exchangesVolumes map[string]*labelstructs.ExchangeVolume `yaml:"-"`
|
||||
boundEnvVar []string `yaml:"-"` // environement to remove
|
||||
}
|
||||
|
||||
// NewDeployment creates a new Deployment from a compose service. The appName is the name of the application taken from the project name.
|
||||
// It also creates the Values map that will be used to create the values.yaml file.
|
||||
func NewDeployment(service types.ServiceConfig, chart *HelmChart) *Deployment {
|
||||
isMainApp := false
|
||||
if mainLabel, ok := service.Labels[labels.LabelMainApp]; ok {
|
||||
main := strings.ToLower(mainLabel)
|
||||
isMainApp = main == "true" || main == "yes" || main == "1"
|
||||
}
|
||||
|
||||
defaultTag := `default "latest"`
|
||||
if isMainApp {
|
||||
defaultTag = `default .Chart.AppVersion`
|
||||
}
|
||||
|
||||
chart.Values[service.Name] = NewValue(service, isMainApp)
|
||||
appName := chart.Name
|
||||
|
||||
dep := &Deployment{
|
||||
isMainApp: isMainApp,
|
||||
defaultTag: defaultTag,
|
||||
service: &service,
|
||||
chart: chart,
|
||||
Deployment: &appsv1.Deployment{
|
||||
TypeMeta: metav1.TypeMeta{
|
||||
Kind: "Deployment",
|
||||
APIVersion: "apps/v1",
|
||||
},
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: utils.TplName(service.Name, appName),
|
||||
Labels: GetLabels(service.Name, appName),
|
||||
Annotations: Annotations,
|
||||
},
|
||||
Spec: appsv1.DeploymentSpec{
|
||||
Replicas: utils.Int32Ptr(1),
|
||||
Selector: &metav1.LabelSelector{
|
||||
MatchLabels: GetMatchLabels(service.Name, appName),
|
||||
},
|
||||
Template: corev1.PodTemplateSpec{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: GetMatchLabels(service.Name, appName),
|
||||
},
|
||||
Spec: corev1.PodSpec{
|
||||
NodeSelector: map[string]string{
|
||||
labels.LabelName("node-selector"): "replace",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
configMaps: make(map[string]*ConfigMapMount),
|
||||
volumeMap: make(map[string]string),
|
||||
exchangesVolumes: map[string]*labelstructs.ExchangeVolume{},
|
||||
boundEnvVar: []string{},
|
||||
}
|
||||
|
||||
// add containers
|
||||
dep.AddContainer(service)
|
||||
|
||||
// add volumes
|
||||
dep.AddVolumes(service, appName)
|
||||
|
||||
if service.Environment != nil {
|
||||
dep.SetEnvFrom(service, appName)
|
||||
}
|
||||
|
||||
return dep
|
||||
}
|
||||
|
||||
// AddContainer adds a container to the deployment.
|
||||
func (d *Deployment) AddContainer(service types.ServiceConfig) {
|
||||
ports := []corev1.ContainerPort{}
|
||||
|
||||
for _, port := range service.Ports {
|
||||
name := utils.GetServiceNameByPort(int(port.Target))
|
||||
if name == "" {
|
||||
utils.Warn("Port name not found for port ", port.Target, " in service ", service.Name, ". Using port number instead")
|
||||
name = fmt.Sprintf("port-%d", port.Target)
|
||||
}
|
||||
ports = append(ports, corev1.ContainerPort{
|
||||
ContainerPort: int32(port.Target),
|
||||
Name: name,
|
||||
})
|
||||
}
|
||||
|
||||
container := corev1.Container{
|
||||
Image: utils.TplValue(service.Name, "repository.image") + ":" +
|
||||
utils.TplValue(service.Name, "repository.tag", d.defaultTag),
|
||||
Ports: ports,
|
||||
Name: service.ContainerName,
|
||||
ImagePullPolicy: corev1.PullIfNotPresent,
|
||||
Resources: corev1.ResourceRequirements{
|
||||
Requests: corev1.ResourceList{},
|
||||
},
|
||||
Command: service.Command,
|
||||
}
|
||||
if _, ok := d.chart.Values[service.Name]; !ok {
|
||||
d.chart.Values[service.Name] = NewValue(service, d.isMainApp)
|
||||
}
|
||||
d.chart.Values[service.Name].(*Value).ImagePullPolicy = string(corev1.PullIfNotPresent)
|
||||
|
||||
// add an imagePullSecret, it actually does not work because the secret is not
|
||||
// created but it add the reference in the YAML file. We'll change it in Yaml()
|
||||
// method.
|
||||
d.Spec.Template.Spec.ImagePullSecrets = []corev1.LocalObjectReference{{
|
||||
Name: `{{ .Values.pullSecrets | toYaml | indent __indent__ }}`,
|
||||
}}
|
||||
|
||||
// add ServiceAccount to the deployment
|
||||
d.Spec.Template.Spec.ServiceAccountName = `{{ .Values.` + service.Name + `.serviceAccount | quote }}`
|
||||
|
||||
d.AddHealthCheck(service, &container)
|
||||
|
||||
d.Spec.Template.Spec.Containers = append(d.Spec.Template.Spec.Containers, container)
|
||||
}
|
||||
|
||||
func (d *Deployment) AddHealthCheck(service types.ServiceConfig, container *corev1.Container) {
|
||||
// get the label for healthcheck
|
||||
if v, ok := service.Labels[labels.LabelHealthCheck]; ok {
|
||||
probes, err := labelstructs.ProbeFrom(v)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
container.LivenessProbe = probes.LivenessProbe
|
||||
container.ReadinessProbe = probes.ReadinessProbe
|
||||
return
|
||||
}
|
||||
|
||||
if service.HealthCheck != nil {
|
||||
period := 30.0
|
||||
if service.HealthCheck.Interval != nil {
|
||||
period = time.Duration(*service.HealthCheck.Interval).Seconds()
|
||||
}
|
||||
container.LivenessProbe = &corev1.Probe{
|
||||
ProbeHandler: corev1.ProbeHandler{
|
||||
Exec: &corev1.ExecAction{
|
||||
Command: service.HealthCheck.Test[1:],
|
||||
},
|
||||
},
|
||||
PeriodSeconds: int32(period),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// AddIngress adds an ingress to the deployment. It creates the ingress object.
|
||||
func (d *Deployment) AddIngress(service types.ServiceConfig, appName string) *Ingress {
|
||||
return NewIngress(service, d.chart)
|
||||
}
|
||||
|
||||
// AddVolumes adds a volume to the deployment. It does not create the PVC, it only adds the volumes to the deployment.
|
||||
// If the volume is a bind volume it will warn the user that it is not supported yet.
|
||||
func (d *Deployment) AddVolumes(service types.ServiceConfig, appName string) {
|
||||
tobind := map[string]bool{}
|
||||
if v, ok := service.Labels[labels.LabelConfigMapFiles]; ok {
|
||||
binds, err := labelstructs.ConfigMapFileFrom(v)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
for _, bind := range binds {
|
||||
tobind[bind] = true
|
||||
}
|
||||
}
|
||||
|
||||
isSamePod := false
|
||||
if v, ok := service.Labels[labels.LabelSamePod]; !ok {
|
||||
isSamePod = false
|
||||
} else {
|
||||
isSamePod = v != ""
|
||||
}
|
||||
|
||||
for _, volume := range service.Volumes {
|
||||
d.bindVolumes(volume, isSamePod, tobind, service, appName)
|
||||
}
|
||||
}
|
||||
|
||||
func (d *Deployment) AddLegacyVolume(name, kind string) {
|
||||
// ensure the volume is not present
|
||||
for _, v := range d.Spec.Template.Spec.Volumes {
|
||||
if v.Name == name {
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
// init
|
||||
if d.Spec.Template.Spec.Volumes == nil {
|
||||
d.Spec.Template.Spec.Volumes = []corev1.Volume{}
|
||||
}
|
||||
|
||||
d.Spec.Template.Spec.Volumes = append(d.Spec.Template.Spec.Volumes, corev1.Volume{
|
||||
Name: name,
|
||||
VolumeSource: corev1.VolumeSource{
|
||||
EmptyDir: &corev1.EmptyDirVolumeSource{},
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
func (d *Deployment) BindFrom(service types.ServiceConfig, binded *Deployment) {
|
||||
// find the volume in the binded deployment
|
||||
for _, bindedVolume := range binded.Spec.Template.Spec.Volumes {
|
||||
skip := false
|
||||
for _, targetVol := range d.Spec.Template.Spec.Volumes {
|
||||
if targetVol.Name == bindedVolume.Name {
|
||||
skip = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !skip {
|
||||
// add the volume to the current deployment
|
||||
d.Spec.Template.Spec.Volumes = append(d.Spec.Template.Spec.Volumes, bindedVolume)
|
||||
// get the container
|
||||
}
|
||||
// add volume mount to the container
|
||||
targetContainer, ti := utils.GetContainerByName(service.ContainerName, d.Spec.Template.Spec.Containers)
|
||||
sourceContainer, _ := utils.GetContainerByName(service.ContainerName, binded.Spec.Template.Spec.Containers)
|
||||
for _, bindedMount := range sourceContainer.VolumeMounts {
|
||||
if bindedMount.Name == bindedVolume.Name {
|
||||
targetContainer.VolumeMounts = append(targetContainer.VolumeMounts, bindedMount)
|
||||
}
|
||||
}
|
||||
d.Spec.Template.Spec.Containers[ti] = *targetContainer
|
||||
}
|
||||
}
|
||||
|
||||
// DependsOn adds a initContainer to the deployment that will wait for the service to be up.
|
||||
func (d *Deployment) DependsOn(to *Deployment, servicename string) error {
|
||||
// Add a initContainer with busybox:latest using netcat to check if the service is up
|
||||
// it will wait until the service responds to all ports
|
||||
for _, container := range to.Spec.Template.Spec.Containers {
|
||||
commands := []string{}
|
||||
if len(container.Ports) == 0 {
|
||||
utils.Warn("No ports found for service ",
|
||||
servicename,
|
||||
". You should declare a port in the service or use "+
|
||||
labels.LabelPorts+
|
||||
" label.",
|
||||
)
|
||||
os.Exit(1)
|
||||
}
|
||||
for _, port := range container.Ports {
|
||||
command := fmt.Sprintf("until nc -z %s %d; do\n sleep 1;\ndone", to.Name, port.ContainerPort)
|
||||
commands = append(commands, command)
|
||||
}
|
||||
|
||||
command := []string{"/bin/sh", "-c", strings.Join(commands, "\n")}
|
||||
d.Spec.Template.Spec.InitContainers = append(d.Spec.Template.Spec.InitContainers, corev1.Container{
|
||||
Name: "wait-for-" + to.service.Name,
|
||||
Image: "busybox:latest",
|
||||
Command: command,
|
||||
})
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Filename returns the filename of the deployment.
|
||||
func (d *Deployment) Filename() string {
|
||||
return d.service.Name + ".deployment.yaml"
|
||||
}
|
||||
|
||||
// SetEnvFrom sets the environment variables to a configmap. The configmap is created.
|
||||
func (d *Deployment) SetEnvFrom(service types.ServiceConfig, appName string, samePod ...bool) {
|
||||
if len(service.Environment) == 0 {
|
||||
return
|
||||
}
|
||||
inSamePod := len(samePod) > 0 && samePod[0]
|
||||
|
||||
drop := []string{}
|
||||
secrets := []string{}
|
||||
|
||||
defer func() {
|
||||
c, index := d.BindMapFilesToContainer(service, secrets, appName)
|
||||
if c == nil || index == -1 {
|
||||
log.Println("Container not found for service ", service.Name)
|
||||
return
|
||||
}
|
||||
d.Spec.Template.Spec.Containers[index] = *c
|
||||
}()
|
||||
|
||||
// secrets from label
|
||||
labelSecrets, err := labelstructs.SecretsFrom(service.Labels[labels.LabelSecrets])
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// values from label
|
||||
varDescriptons := utils.GetValuesFromLabel(service, labels.LabelValues)
|
||||
labelValues := []string{}
|
||||
for v := range varDescriptons {
|
||||
labelValues = append(labelValues, v)
|
||||
}
|
||||
|
||||
for _, secret := range labelSecrets {
|
||||
// get the secret name
|
||||
_, ok := service.Environment[secret]
|
||||
if !ok {
|
||||
drop = append(drop, secret)
|
||||
utils.Warn("Secret " + secret + " not found in service " + service.Name + " - skpped")
|
||||
continue
|
||||
}
|
||||
secrets = append(secrets, secret)
|
||||
}
|
||||
|
||||
if inSamePod {
|
||||
return
|
||||
}
|
||||
|
||||
// for each values from label "values", add it to Values map and change the envFrom
|
||||
// value to {{ .Values.<service>.<value> }}
|
||||
for _, value := range labelValues {
|
||||
// get the environment variable name
|
||||
val, ok := service.Environment[value]
|
||||
if !ok {
|
||||
drop = append(drop, value)
|
||||
utils.Warn("Environment variable " + value + " not found in service " + service.Name + " - skpped")
|
||||
continue
|
||||
}
|
||||
if d.chart.Values[service.Name].(*Value).Environment == nil {
|
||||
d.chart.Values[service.Name].(*Value).Environment = make(map[string]any)
|
||||
}
|
||||
d.chart.Values[service.Name].(*Value).Environment[value] = *val
|
||||
// set the environment variable to bind to the values.yaml file
|
||||
v := utils.TplValue(service.Name, "environment."+value)
|
||||
service.Environment[value] = &v
|
||||
}
|
||||
|
||||
for _, value := range drop {
|
||||
delete(service.Environment, value)
|
||||
}
|
||||
}
|
||||
|
||||
func (d *Deployment) BindMapFilesToContainer(service types.ServiceConfig, secrets []string, appName string) (*corev1.Container, int) {
|
||||
fromSources := []corev1.EnvFromSource{}
|
||||
|
||||
envSize := len(service.Environment)
|
||||
|
||||
for _, secret := range secrets {
|
||||
for k := range service.Environment {
|
||||
if k == secret {
|
||||
envSize--
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if envSize > 0 {
|
||||
if service.Name == "db" {
|
||||
log.Println("Service ", service.Name, " has environment variables")
|
||||
log.Println(service.Environment)
|
||||
}
|
||||
fromSources = append(fromSources, corev1.EnvFromSource{
|
||||
ConfigMapRef: &corev1.ConfigMapEnvSource{
|
||||
LocalObjectReference: corev1.LocalObjectReference{
|
||||
Name: utils.TplName(service.Name, appName),
|
||||
},
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
if len(secrets) > 0 {
|
||||
fromSources = append(fromSources, corev1.EnvFromSource{
|
||||
SecretRef: &corev1.SecretEnvSource{
|
||||
LocalObjectReference: corev1.LocalObjectReference{
|
||||
Name: utils.TplName(service.Name, appName),
|
||||
},
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
container, index := utils.GetContainerByName(service.ContainerName, d.Spec.Template.Spec.Containers)
|
||||
if container == nil {
|
||||
utils.Warn("Container not found for service " + service.Name)
|
||||
return nil, -1
|
||||
}
|
||||
|
||||
container.EnvFrom = append(container.EnvFrom, fromSources...)
|
||||
|
||||
if container.Env == nil {
|
||||
container.Env = []corev1.EnvVar{}
|
||||
}
|
||||
return container, index
|
||||
}
|
||||
|
||||
func (d *Deployment) MountExchangeVolumes() {
|
||||
for name, ex := range d.exchangesVolumes {
|
||||
for i, c := range d.Spec.Template.Spec.Containers {
|
||||
c.VolumeMounts = append(c.VolumeMounts, corev1.VolumeMount{
|
||||
Name: "exchange-" + ex.Name,
|
||||
MountPath: ex.MountPath,
|
||||
})
|
||||
if len(ex.Init) > 0 && name == c.Name {
|
||||
d.Spec.Template.Spec.InitContainers = append(d.Spec.Template.Spec.InitContainers, corev1.Container{
|
||||
Command: []string{"/bin/sh", "-c", ex.Init},
|
||||
Image: c.Image,
|
||||
Name: "exhange-init-" + name,
|
||||
VolumeMounts: []corev1.VolumeMount{{
|
||||
Name: "exchange-" + ex.Name,
|
||||
MountPath: ex.MountPath,
|
||||
}},
|
||||
})
|
||||
}
|
||||
d.Spec.Template.Spec.Containers[i] = c
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Yaml returns the yaml representation of the deployment.
|
||||
func (d *Deployment) Yaml() ([]byte, error) {
|
||||
var y []byte
|
||||
var err error
|
||||
serviceName := d.service.Name
|
||||
|
||||
if y, err = ToK8SYaml(d); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// for each volume mount, add a condition "if values has persistence"
|
||||
changing := false
|
||||
content := strings.Split(string(y), "\n")
|
||||
spaces := ""
|
||||
volumeName := ""
|
||||
|
||||
nameDirective := "name: "
|
||||
|
||||
// this loop add condition for each volume mount
|
||||
for line, volume := range content {
|
||||
// find the volume name
|
||||
for i := line; i < len(content); i++ {
|
||||
if strings.Contains(content[i], nameDirective) {
|
||||
volumeName = strings.TrimSpace(strings.Replace(content[i], "name: ", "", 1))
|
||||
break
|
||||
}
|
||||
}
|
||||
if volumeName == "" {
|
||||
continue
|
||||
}
|
||||
|
||||
if _, ok := d.configMaps[volumeName]; ok {
|
||||
continue
|
||||
}
|
||||
|
||||
if strings.Contains(volume, "mountPath: ") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(volume))
|
||||
varName, ok := d.volumeMap[volumeName]
|
||||
if !ok {
|
||||
// this case happens when the volume is a "bind" volume comming from a "same-pod" service.
|
||||
continue
|
||||
}
|
||||
varName = strings.ReplaceAll(varName, "-", "_")
|
||||
content[line] = spaces + `{{- if .Values.` + serviceName + `.persistence.` + varName + `.enabled }}` + "\n" + volume
|
||||
changing = true
|
||||
}
|
||||
if strings.Contains(volume, nameDirective) && changing {
|
||||
content[line] = volume + "\n" + spaces + "{{- end }}"
|
||||
changing = false
|
||||
}
|
||||
}
|
||||
|
||||
changing = false
|
||||
inVolumes := false
|
||||
volumeName = ""
|
||||
// this loop changes imagePullPolicy to {{ .Values.<service>.imagePullPolicy }}
|
||||
// and the volume definition adding the condition "if values has persistence"
|
||||
for i, line := range content {
|
||||
|
||||
if strings.Contains(line, "imagePullPolicy:") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
content[i] = spaces + "imagePullPolicy: {{ .Values." + serviceName + ".imagePullPolicy }}"
|
||||
}
|
||||
|
||||
// find the volume name
|
||||
for i := i; i < len(content); i++ {
|
||||
if strings.Contains(content[i], "- name: ") {
|
||||
volumeName = strings.TrimSpace(strings.Replace(content[i], "- name: ", "", 1))
|
||||
break
|
||||
}
|
||||
}
|
||||
if strings.Contains(line, "volumes:") {
|
||||
inVolumes = true
|
||||
}
|
||||
|
||||
if volumeName == "" {
|
||||
continue
|
||||
}
|
||||
|
||||
if _, ok := d.configMaps[volumeName]; ok {
|
||||
continue
|
||||
}
|
||||
|
||||
if strings.Contains(line, "- name: ") && inVolumes {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
varName := d.volumeMap[volumeName]
|
||||
varName = strings.ReplaceAll(varName, "-", "_")
|
||||
content[i] = spaces + `{{- if .Values.` + serviceName + `.persistence.` + varName + `.enabled }}` + "\n" + line
|
||||
changing = true
|
||||
}
|
||||
if strings.Contains(line, "claimName: ") && changing {
|
||||
content[i] = line + "\n" + spaces + "{{- end }}"
|
||||
changing = false
|
||||
}
|
||||
}
|
||||
|
||||
// for impagePullSecrets, replace the name with the value from values.yaml
|
||||
for i, line := range content {
|
||||
if strings.Contains(line, "imagePullSecrets:") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
line = spaces + "{{- if .Values.pullSecrets }}"
|
||||
line += "\n" + spaces + "imagePullSecrets:\n"
|
||||
line += spaces + "{{- .Values.pullSecrets | toYaml | nindent __indent__ }}"
|
||||
line += "\n" + spaces + "{{- end }}"
|
||||
content[i] = line
|
||||
}
|
||||
}
|
||||
|
||||
// Find the replicas line and replace it with the value from values.yaml
|
||||
for i, line := range content {
|
||||
// manage nodeSelector
|
||||
if strings.Contains(line, "nodeSelector:") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
pre := spaces + `{{- if .Values.` + serviceName + `.nodeSelector }}`
|
||||
post := spaces + "{{- end }}"
|
||||
ns := spaces + "nodeSelector:\n"
|
||||
ns += spaces + ` {{- .Values.` + serviceName + `.nodeSelector | toYaml | nindent __indent__ }}`
|
||||
line = pre + "\n" + ns + "\n" + post
|
||||
}
|
||||
// manage replicas
|
||||
if strings.Contains(line, "replicas:") {
|
||||
line = regexp.MustCompile("replicas: .*$").ReplaceAllString(line, "replicas: {{ .Values."+serviceName+".replicas }}")
|
||||
}
|
||||
|
||||
// manage serviceAccount, add condition to use the serviceAccount from values.yaml
|
||||
if strings.Contains(line, "serviceAccountName:") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
pre := spaces + `{{- if ne .Values.` + serviceName + `.serviceAccount "" }}`
|
||||
post := spaces + "{{- end }}"
|
||||
line = strings.ReplaceAll(line, "'", "")
|
||||
line = pre + "\n" + line + "\n" + post
|
||||
}
|
||||
|
||||
if strings.Contains(line, "resources: {}") {
|
||||
spaces = strings.Repeat(" ", utils.CountStartingSpaces(line))
|
||||
pre := spaces + `{{- if .Values.` + serviceName + `.resources }}`
|
||||
post := spaces + "{{- end }}"
|
||||
|
||||
line = strings.ReplaceAll(line, "resources: {}", "resources:")
|
||||
line += "\n" + spaces + " {{ .Values." + serviceName + ".resources | toYaml | nindent __indent__ }}"
|
||||
line = pre + "\n" + line + "\n" + post
|
||||
}
|
||||
|
||||
content[i] = line
|
||||
}
|
||||
|
||||
// find the katenary.v3/node-selector line, and remove it
|
||||
for i, line := range content {
|
||||
if strings.Contains(line, labels.LabelName("node-selector")) {
|
||||
content = append(content[:i], content[i+1:]...)
|
||||
continue
|
||||
}
|
||||
if strings.Contains(line, "- name: '{{ .Values.pullSecrets ") {
|
||||
content = append(content[:i], content[i+1:]...)
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
return []byte(strings.Join(content, "\n")), nil
|
||||
}
|
||||
|
||||
func (d *Deployment) appendDirectoryToConfigMap(service types.ServiceConfig, appName string, volume types.ServiceVolumeConfig) {
|
||||
pathnme := utils.PathToName(volume.Source)
|
||||
if _, ok := d.configMaps[pathnme]; !ok {
|
||||
d.configMaps[pathnme] = &ConfigMapMount{
|
||||
mountPath: []mountPathConfig{},
|
||||
}
|
||||
}
|
||||
|
||||
// TODO: make it recursive to add all files in the directory and subdirectories
|
||||
_, err := os.ReadDir(volume.Source)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
cm := NewConfigMapFromDirectory(service, appName, volume.Source)
|
||||
d.configMaps[pathnme] = &ConfigMapMount{
|
||||
configMap: cm,
|
||||
mountPath: append(d.configMaps[pathnme].mountPath, mountPathConfig{
|
||||
mountPath: volume.Target,
|
||||
}),
|
||||
}
|
||||
}
|
||||
|
||||
func (d *Deployment) appendFileToConfigMap(service types.ServiceConfig, appName string, volume types.ServiceVolumeConfig) {
|
||||
// In case of a file, add it to the configmap and use "subPath" to mount it
|
||||
// Note that the volumes and volume mounts are not added to the deployment yet, they will be added later
|
||||
// in generate.go
|
||||
dirname := filepath.Dir(volume.Source)
|
||||
pathname := utils.PathToName(dirname)
|
||||
pathname = strings.TrimSpace(pathname)
|
||||
if len(pathname) != 0 {
|
||||
pathname += "-" + pathname
|
||||
}
|
||||
var cm *ConfigMap
|
||||
if v, ok := d.configMaps[pathname]; !ok {
|
||||
cm = NewConfigMap(*d.service, appName, true)
|
||||
cm.usage = FileMapUsageFiles
|
||||
cm.path = dirname
|
||||
cm.Name = utils.TplName(service.Name, appName) + pathname
|
||||
d.configMaps[pathname] = &ConfigMapMount{
|
||||
configMap: cm,
|
||||
mountPath: []mountPathConfig{{
|
||||
mountPath: volume.Target,
|
||||
subPath: filepath.Base(volume.Source),
|
||||
}},
|
||||
}
|
||||
} else {
|
||||
cm = v.configMap
|
||||
mp := d.configMaps[pathname].mountPath
|
||||
mp = append(mp, mountPathConfig{
|
||||
mountPath: volume.Target,
|
||||
subPath: filepath.Base(volume.Source),
|
||||
})
|
||||
d.configMaps[pathname].mountPath = mp
|
||||
|
||||
}
|
||||
if err := cm.AppendFile(volume.Source); err != nil {
|
||||
log.Fatal("Error adding file to configmap:", err)
|
||||
}
|
||||
}
|
||||
|
||||
func (d *Deployment) bindVolumes(volume types.ServiceVolumeConfig, isSamePod bool, tobind map[string]bool, service types.ServiceConfig, appName string) {
|
||||
container, index := utils.GetContainerByName(service.ContainerName, d.Spec.Template.Spec.Containers)
|
||||
|
||||
defer func(d *Deployment, container *corev1.Container, index int) {
|
||||
d.Spec.Template.Spec.Containers[index] = *container
|
||||
}(d, container, index)
|
||||
|
||||
if _, found := tobind[volume.Source]; !isSamePod && volume.Type == "bind" && !found {
|
||||
utils.Warn(
|
||||
"Bind volumes are not supported yet, " +
|
||||
"excepting for those declared as " +
|
||||
labels.LabelConfigMapFiles +
|
||||
", skipping volume " + volume.Source +
|
||||
" from service " + service.Name,
|
||||
)
|
||||
return
|
||||
}
|
||||
|
||||
if container == nil {
|
||||
utils.Warn("Container not found for volume", volume.Source)
|
||||
return
|
||||
}
|
||||
|
||||
// ensure that the volume is not already present in the container
|
||||
for _, vm := range container.VolumeMounts {
|
||||
if vm.Name == volume.Source {
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
switch volume.Type {
|
||||
case "volume":
|
||||
// Add volume to container
|
||||
fixedName := utils.FixedResourceName(volume.Source)
|
||||
d.volumeMap[fixedName] = volume.Source
|
||||
container.VolumeMounts = append(container.VolumeMounts, corev1.VolumeMount{
|
||||
Name: fixedName,
|
||||
MountPath: volume.Target,
|
||||
})
|
||||
// Add volume to values.yaml only if it the service is not in the same pod that another service.
|
||||
// If it is in the same pod, the volume will be added to the other service later
|
||||
if _, ok := service.Labels[labels.LabelSamePod]; !ok {
|
||||
d.chart.Values[service.Name].(*Value).AddPersistence(volume.Source)
|
||||
}
|
||||
// Add volume to deployment
|
||||
d.Spec.Template.Spec.Volumes = append(d.Spec.Template.Spec.Volumes, corev1.Volume{
|
||||
Name: fixedName,
|
||||
VolumeSource: corev1.VolumeSource{
|
||||
PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{
|
||||
ClaimName: utils.TplName(service.Name, appName, volume.Source),
|
||||
},
|
||||
},
|
||||
})
|
||||
case "bind":
|
||||
// Add volume to container
|
||||
stat, err := os.Stat(volume.Source)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
if stat.IsDir() {
|
||||
d.appendDirectoryToConfigMap(service, appName, volume)
|
||||
} else {
|
||||
d.appendFileToConfigMap(service, appName, volume)
|
||||
}
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user