feat: scaffold terraform provider for fission via kubernetes CRD
This commit is contained in:
Naeel
@@ -0,0 +1,61 @@
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package client
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import (
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"fmt"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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)
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// Client хранит клиентов Kubernetes API для работы с CRD Fission.
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type Client struct {
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DynClient dynamic.Interface
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K8sClient kubernetes.Interface
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Namespace string
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}
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// New создает Kubernetes clients из kubeconfig/context.
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func New(kubeconfigPath, kubeContext, namespace string) (*Client, error) {
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cfg, err := buildConfig(kubeconfigPath, kubeContext)
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if err != nil {
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return nil, err
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}
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dynClient, err := dynamic.NewForConfig(cfg)
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if err != nil {
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return nil, fmt.Errorf("create dynamic client: %w", err)
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}
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k8sClient, err := kubernetes.NewForConfig(cfg)
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if err != nil {
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return nil, fmt.Errorf("create kubernetes client: %w", err)
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}
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return &Client{
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DynClient: dynClient,
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K8sClient: k8sClient,
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Namespace: namespace,
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}, nil
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}
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func buildConfig(kubeconfigPath, kubeContext string) (*rest.Config, error) {
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loadingRules := &clientcmd.ClientConfigLoadingRules{}
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if kubeconfigPath != "" {
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loadingRules.ExplicitPath = kubeconfigPath
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}
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overrides := &clientcmd.ConfigOverrides{}
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if kubeContext != "" {
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overrides.CurrentContext = kubeContext
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}
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clientCfg := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, overrides)
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cfg, err := clientCfg.ClientConfig()
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if err != nil {
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return nil, fmt.Errorf("build kube config: %w", err)
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}
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return cfg, nil
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}
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@@ -0,0 +1,126 @@
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package provider
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import (
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"context"
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"os"
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"github.com/hashicorp/terraform-plugin-framework/datasource"
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"github.com/hashicorp/terraform-plugin-framework/path"
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"github.com/hashicorp/terraform-plugin-framework/provider"
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"github.com/hashicorp/terraform-plugin-framework/provider/schema"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"terraform-provider-fission/internal/client"
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"terraform-provider-fission/internal/resources"
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)
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var _ provider.Provider = &FissionProvider{}
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type FissionProvider struct {
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version string
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}
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type FissionProviderModel struct {
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KubeconfigPath types.String `tfsdk:"kubeconfig_path"`
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KubeContext types.String `tfsdk:"kube_context"`
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Namespace types.String `tfsdk:"namespace"`
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}
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func New(version string) func() provider.Provider {
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return func() provider.Provider {
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return &FissionProvider{version: version}
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}
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}
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func (p *FissionProvider) Metadata(_ context.Context, _ provider.MetadataRequest, resp *provider.MetadataResponse) {
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resp.TypeName = "fission"
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resp.Version = p.version
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}
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func (p *FissionProvider) Schema(_ context.Context, _ provider.SchemaRequest, resp *provider.SchemaResponse) {
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resp.Schema = schema.Schema{
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Attributes: map[string]schema.Attribute{
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"kubeconfig_path": schema.StringAttribute{
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Optional: true,
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Description: "Путь к kubeconfig файлу.",
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},
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"kube_context": schema.StringAttribute{
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Optional: true,
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Description: "Имя kubernetes context.",
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},
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"namespace": schema.StringAttribute{
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Optional: true,
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Description: "Namespace для ресурсов Fission.",
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},
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},
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}
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}
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func (p *FissionProvider) Configure(ctx context.Context, req provider.ConfigureRequest, resp *provider.ConfigureResponse) {
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var data FissionProviderModel
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resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
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if resp.Diagnostics.HasError() {
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return
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}
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kubeconfigPath := data.KubeconfigPath.ValueString()
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if kubeconfigPath == "" {
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kubeconfigPath = os.Getenv("KUBECONFIG")
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}
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kubeContext := data.KubeContext.ValueString()
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if kubeContext == "" {
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kubeContext = os.Getenv("KUBE_CONTEXT")
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}
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namespace := data.Namespace.ValueString()
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if namespace == "" {
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namespace = os.Getenv("FISSION_NAMESPACE")
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}
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if namespace == "" {
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namespace = "default"
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}
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fissionClient, err := client.New(kubeconfigPath, kubeContext, namespace)
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if err != nil {
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resp.Diagnostics.AddError("Ошибка инициализации Kubernetes клиента", err.Error())
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return
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}
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resp.DataSourceData = fissionClient
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resp.ResourceData = fissionClient
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}
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func (p *FissionProvider) Resources(_ context.Context) []func() resource.Resource {
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return []func() resource.Resource{
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resources.NewEnvironmentResource,
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resources.NewPackageResource,
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resources.NewFunctionResource,
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resources.NewHTTPTriggerResource,
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}
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}
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func (p *FissionProvider) DataSources(_ context.Context) []func() datasource.DataSource {
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return nil
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}
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func (p *FissionProvider) ValidateConfig(ctx context.Context, req provider.ValidateConfigRequest, resp *provider.ValidateConfigResponse) {
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var data FissionProviderModel
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resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
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if resp.Diagnostics.HasError() {
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return
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}
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if data.Namespace.IsNull() || data.Namespace.IsUnknown() {
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return
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}
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if data.Namespace.ValueString() == "" {
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resp.Diagnostics.AddAttributeError(
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path.Root("namespace"),
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"Некорректный namespace",
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"Значение namespace не может быть пустой строкой.",
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)
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}
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}
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@@ -0,0 +1,30 @@
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package resources
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import (
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"context"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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)
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var _ resource.Resource = &EnvironmentResource{}
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type EnvironmentResource struct{}
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func NewEnvironmentResource() resource.Resource {
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return &EnvironmentResource{}
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}
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func (r *EnvironmentResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_environment"
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}
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func (r *EnvironmentResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{}
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}
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func (r *EnvironmentResource) Configure(_ context.Context, _ resource.ConfigureRequest, _ *resource.ConfigureResponse) {}
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func (r *EnvironmentResource) Create(_ context.Context, _ resource.CreateRequest, _ *resource.CreateResponse) {}
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func (r *EnvironmentResource) Read(_ context.Context, _ resource.ReadRequest, _ *resource.ReadResponse) {}
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func (r *EnvironmentResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) {}
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func (r *EnvironmentResource) Delete(_ context.Context, _ resource.DeleteRequest, _ *resource.DeleteResponse) {}
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@@ -0,0 +1,30 @@
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package resources
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import (
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"context"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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)
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var _ resource.Resource = &FunctionResource{}
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type FunctionResource struct{}
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func NewFunctionResource() resource.Resource {
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return &FunctionResource{}
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}
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func (r *FunctionResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_function"
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}
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func (r *FunctionResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{}
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}
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func (r *FunctionResource) Configure(_ context.Context, _ resource.ConfigureRequest, _ *resource.ConfigureResponse) {}
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func (r *FunctionResource) Create(_ context.Context, _ resource.CreateRequest, _ *resource.CreateResponse) {}
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func (r *FunctionResource) Read(_ context.Context, _ resource.ReadRequest, _ *resource.ReadResponse) {}
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func (r *FunctionResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) {}
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func (r *FunctionResource) Delete(_ context.Context, _ resource.DeleteRequest, _ *resource.DeleteResponse) {}
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@@ -0,0 +1,30 @@
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package resources
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import (
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"context"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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)
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var _ resource.Resource = &HTTPTriggerResource{}
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type HTTPTriggerResource struct{}
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func NewHTTPTriggerResource() resource.Resource {
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return &HTTPTriggerResource{}
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}
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func (r *HTTPTriggerResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_http_trigger"
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}
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func (r *HTTPTriggerResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{}
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}
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func (r *HTTPTriggerResource) Configure(_ context.Context, _ resource.ConfigureRequest, _ *resource.ConfigureResponse) {}
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func (r *HTTPTriggerResource) Create(_ context.Context, _ resource.CreateRequest, _ *resource.CreateResponse) {}
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func (r *HTTPTriggerResource) Read(_ context.Context, _ resource.ReadRequest, _ *resource.ReadResponse) {}
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func (r *HTTPTriggerResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) {}
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func (r *HTTPTriggerResource) Delete(_ context.Context, _ resource.DeleteRequest, _ *resource.DeleteResponse) {}
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@@ -0,0 +1,30 @@
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package resources
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import (
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"context"
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"github.com/hashicorp/terraform-plugin-framework/resource"
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"github.com/hashicorp/terraform-plugin-framework/resource/schema"
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)
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var _ resource.Resource = &PackageResource{}
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type PackageResource struct{}
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func NewPackageResource() resource.Resource {
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return &PackageResource{}
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}
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func (r *PackageResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
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resp.TypeName = req.ProviderTypeName + "_package"
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}
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func (r *PackageResource) Schema(_ context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
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resp.Schema = schema.Schema{}
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}
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func (r *PackageResource) Configure(_ context.Context, _ resource.ConfigureRequest, _ *resource.ConfigureResponse) {}
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func (r *PackageResource) Create(_ context.Context, _ resource.CreateRequest, _ *resource.CreateResponse) {}
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func (r *PackageResource) Read(_ context.Context, _ resource.ReadRequest, _ *resource.ReadResponse) {}
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func (r *PackageResource) Update(_ context.Context, _ resource.UpdateRequest, _ *resource.UpdateResponse) {}
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func (r *PackageResource) Delete(_ context.Context, _ resource.DeleteRequest, _ *resource.DeleteResponse) {}
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