/
bootstrap.go
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/
bootstrap.go
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package kubernetes
import (
"github.com/catalystsquad/app-utils-go/errorutils"
"github.com/catalystsquad/pulumi-modules-go/pkg/eks"
"github.com/catalystsquad/pulumi-modules-go/pkg/templates"
corev1 "github.com/pulumi/pulumi-kubernetes/sdk/v3/go/kubernetes/core/v1"
"github.com/pulumi/pulumi-kubernetes/sdk/v3/go/kubernetes/helm/v3"
metav1 "github.com/pulumi/pulumi-kubernetes/sdk/v3/go/kubernetes/meta/v1"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi/config"
)
type PlatformApplicationConfig struct {
Enabled bool
TargetRevision string
SyncPolicy ArgocdApplicationSyncPolicy
Values string
}
type K8sPlatformConfigInput struct {
// user input
ArgocdHelm HelmReleaseConfigInput `json:"argocd-helm-release"`
KubePrometheusStackHelm HelmReleaseConfigInput `json:"kube-prometheus-stack-helm-release"`
// optional, enable management of eks auth config
ManageEksAuthConfigMap bool `json:"manage-eks-auth-configmap"`
// optional, management of prometheus remote write basic auth secret
ManagePrometheusRemoteWriteBasicAuthSecret bool `json:"manage-prometheus-remote-write-basic-auth-secret"`
// defaults to stack name
PrometheusRemoteWriteBasicAuthUsername string `json:"prometheus-remote-write-basic-auth-username"`
// defaults to "prometheus-remote-write-basic-auth"
PrometheusRemoteWriteSecretName string `json:"prometheus-remote-write-basic-auth-secret-name"`
// input from eks module
KubeConfig pulumi.StringOutput
}
type HelmReleaseConfigInput struct {
Version string `json:"version"`
ValuesFiles []string `json:"values-files"`
}
// BootstrapCluster installs argo-cd and kube-prometheus-stack as helm charts, bootstraps the aws-auth configmap, and
// installs the catalyst squad platform-services chart as an argocd application. Configurations set on stacks are respected.
func BootstrapCluster(ctx *pulumi.Context) error {
var k8sConfig K8sPlatformConfigInput
// get config
cfg := config.New(ctx, "")
err := cfg.GetObject("k8s", &k8sConfig)
errorutils.LogOnErr(nil, "error marshalling config to struct", err)
if err != nil {
return err
}
// manage aws auth configmap, require additional configuration object if enabled
if k8sConfig.ManageEksAuthConfigMap {
var eksAuthConfig eks.AuthConfigMapInput
err = cfg.GetObject("eks-auth", &eksAuthConfig)
if err != nil {
return err
}
err = eks.SyncAuthConfigMap(ctx, eksAuthConfig)
if err != nil {
return err
}
}
// deploy kube-prometheus-stack remote-write basic auth secret
prometheusRemoteWriteSecret, err := deployPrometheusRemoteWriteBasicAuthSecret(ctx, cfg, k8sConfig)
errorutils.LogOnErr(nil, "error deploying kube-prometheus-stack remote-write basic auth secret", err)
if err != nil {
return err
}
// dynamic depends on for an optional resource
var prometheusDependsOn pulumi.ResourceOption
if prometheusRemoteWriteSecret != nil {
prometheusDependsOn = pulumi.DependsOn([]pulumi.Resource{prometheusRemoteWriteSecret})
}
// deploy kube-prometheus-stack, this should happen first because the argo-cd helm chart installs service monitors
prometheus, err := deployKubePrometheusStack(ctx, k8sConfig, prometheusDependsOn)
errorutils.LogOnErr(nil, "error deploying kube-prometheus-stack", err)
if err != nil {
return err
}
// deploy argocd
argocd, err := deployArgocd(ctx, cfg, k8sConfig, pulumi.DependsOn([]pulumi.Resource{prometheus})) // this helm chart installs service monitors, so it depends on kube-prometheus-stack
errorutils.LogOnErr(nil, "error deploying argocd", err)
if err != nil {
return err
}
// deploy cluster argocd application
platformApplication, err := deployPlatformApplicationManifest(ctx, pulumi.DependsOn([]pulumi.Resource{argocd})) // depend on argocd for application CRDs
errorutils.LogOnErr(nil, "error deploying cluster application manifest", err)
if err != nil {
return err
}
// create cert-manager dns secret
err = deployCertManagerDnsSolverSecret(ctx, pulumi.DependsOn([]pulumi.Resource{platformApplication}))
errorutils.LogOnErr(nil, "error deploying cert manager dns solver secret", err)
return err
}
func deployPrometheusRemoteWriteBasicAuthSecret(ctx *pulumi.Context, cfg *config.Config, k8sConfig K8sPlatformConfigInput) (pulumi.Resource, error) {
if k8sConfig.ManagePrometheusRemoteWriteBasicAuthSecret {
username := ctx.Stack()
if k8sConfig.PrometheusRemoteWriteBasicAuthUsername != "" {
username = k8sConfig.PrometheusRemoteWriteBasicAuthUsername
}
secretName := "prometheus-remote-write-basic-auth"
if k8sConfig.PrometheusRemoteWriteSecretName != "" {
secretName = k8sConfig.PrometheusRemoteWriteSecretName
}
secret, err := corev1.NewSecret(ctx, "prometheus-remote-write-basic-auth-secret", &corev1.SecretArgs{
Metadata: &metav1.ObjectMetaArgs{
Name: pulumi.String(secretName),
Namespace: pulumi.String("kube-prometheus-stack"),
},
StringData: pulumi.StringMap{
"username": pulumi.String(username),
"password": cfg.RequireSecret("prometheusRemoteWriteBasicAuthPassword"),
},
})
return secret, err
}
return nil, nil
}
func deployArgocd(ctx *pulumi.Context, cfg *config.Config, k8sConfig K8sPlatformConfigInput, opts ...pulumi.ResourceOption) (pulumi.Resource, error) {
// set default helm chart versions if not defined
argocdVersion := "3.33.8"
if k8sConfig.ArgocdHelm.Version != "" {
argocdVersion = k8sConfig.ArgocdHelm.Version
}
// set default helm values files if not defined
argocdValues := []string{
"./helm-values/argo-cd-values.yaml",
}
if len(k8sConfig.ArgocdHelm.ValuesFiles) != 0 {
argocdValues = k8sConfig.ArgocdHelm.ValuesFiles
}
// deploy argo using helm
argocd, err := helm.NewRelease(ctx, "argo-cd", &helm.ReleaseArgs{
Chart: pulumi.String("argo-cd"),
Name: pulumi.String("argo-cd"),
Namespace: pulumi.String("argo-cd"),
CreateNamespace: pulumi.Bool(true),
Version: pulumi.String(argocdVersion),
RepositoryOpts: helm.RepositoryOptsArgs{
Repo: pulumi.String("https://argoproj.github.io/argo-helm"),
},
ValueYamlFiles: stringArrayToAssetOrArchiveArrayOutput(argocdValues),
Values: pulumi.Map{
"configs": pulumi.Map{
"repositories": pulumi.Map{
"matthews-helm": pulumi.Map{
"name": pulumi.String("MatthewsREIS Github Helm Repository"),
"type": pulumi.String("helm"),
"url": pulumi.String("https://raw.githubusercontent.com/MatthewsREIS/charts/main"),
"username": cfg.RequireSecret("helmRepoPat"),
"password": cfg.RequireSecret("helmRepoPat"),
},
},
}},
}, opts...)
return argocd, err
}
func deployKubePrometheusStack(ctx *pulumi.Context, cfg K8sPlatformConfigInput, opts ...pulumi.ResourceOption) (pulumi.Resource, error) {
kubePrometheusStackVersion := "33.1.0"
if cfg.KubePrometheusStackHelm.Version != "" {
kubePrometheusStackVersion = cfg.KubePrometheusStackHelm.Version
}
prometheusValues := []string{
"./helm-values/prometheus-values.yaml",
}
if len(cfg.KubePrometheusStackHelm.ValuesFiles) != 0 {
prometheusValues = cfg.KubePrometheusStackHelm.ValuesFiles
}
// deploy prometheus using helm
return helm.NewRelease(ctx, "kube-prometheus-stack", &helm.ReleaseArgs{
Chart: pulumi.String("kube-prometheus-stack"),
Name: pulumi.String("kube-prometheus-stack"),
Namespace: pulumi.String("kube-prometheus-stack"),
CreateNamespace: pulumi.Bool(true),
Version: pulumi.String(kubePrometheusStackVersion),
RepositoryOpts: helm.RepositoryOptsArgs{
Repo: pulumi.String("https://prometheus-community.github.io/helm-charts"),
},
ValueYamlFiles: stringArrayToAssetOrArchiveArrayOutput(prometheusValues),
}, opts...)
}
func deployCertManagerDnsSolverSecret(ctx *pulumi.Context, opts ...pulumi.ResourceOption) error {
cfg := config.New(ctx, "")
_, err := corev1.NewSecret(ctx, "cert-manager-cloudflare-api-token-secret", &corev1.SecretArgs{
Metadata: &metav1.ObjectMetaArgs{
Name: pulumi.String("cloudflare-api-token-secret"),
Namespace: pulumi.String("cert-manager"),
},
StringData: pulumi.StringMap{
"api-token": cfg.RequireSecret("cloudflareApiToken"),
},
Type: pulumi.String("Opaque"),
}, opts...)
return err
}
func deployPlatformApplicationManifest(ctx *pulumi.Context, opts ...pulumi.ResourceOption) (pulumi.Resource, error) {
var platformApplicationConfig PlatformApplicationConfig
cfg := config.New(ctx, "")
cfg.RequireObject("platform-application", &platformApplicationConfig)
if platformApplicationConfig.Enabled {
// get application from template
application, err := NewApplicationFromBytes(templates.PlatformApplicationBytes)
if err != nil {
return nil, err
}
// set variables from stack config
application.Spec.SyncPolicy = platformApplicationConfig.SyncPolicy
application.Spec.Source.TargetRevision = platformApplicationConfig.TargetRevision
application.Spec.Source.Helm.Values = platformApplicationConfig.Values
// sync
resource, err := SyncArgocdApplication(ctx, "cluster-services", application, opts...)
errorutils.LogOnErr(nil, "error syncing cluster application", err)
return resource, err
}
return nil, nil
}
func stringArrayToAssetOrArchiveArrayOutput(in []string) pulumi.AssetOrArchiveArrayOutput {
var o pulumi.AssetOrArchiveArray
for _, i := range in {
o = append(o, pulumi.NewFileAsset(i))
}
return o.ToAssetOrArchiveArrayOutput()
}