From 2c614fcab2d529b62294a7f82bf7011857bedf4d Mon Sep 17 00:00:00 2001 From: behrooz Date: Mon, 1 Dec 2025 19:38:12 +0330 Subject: [PATCH] init project --- .gitignore | 29 +++++++++ README.md | 82 +++++++++++++++++++++++++ example/main.tf | 36 +++++++++++ go.mod | 44 ++++++++++++++ go.sum | 145 ++++++++++++++++++++++++++++++++++++++++++++ main.go | 13 ++++ provider.go | 105 ++++++++++++++++++++++++++++++++ resource_cluster.go | 139 ++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 593 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 example/main.tf create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go create mode 100644 provider.go create mode 100644 resource_cluster.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..12a1f25 --- /dev/null +++ b/.gitignore @@ -0,0 +1,29 @@ +# Go build artifacts +bin/ +*.exe +*.exe~ +*.dll +*.so +*.dylib +*.test +*.out + +# Terraform local files +**/.terraform/ +**/.terraform.lock.hcl +**/terraform.tfstate +**/terraform.tfstate.* +**/crash.log +**/crash.*.log +**/.terraform.tfstate.lock.info + +# Provider binary built in project root +terraform-provider-vcluster + +# Editor / IDE +.vscode/ +.idea/ +*.swp +*~ + + diff --git a/README.md b/README.md new file mode 100644 index 0000000..be68010 --- /dev/null +++ b/README.md @@ -0,0 +1,82 @@ +## vcluster Terraform Provider + +Custom Terraform provider that talks to a vcluster API and calls `/createcluster` to create clusters. + +### Build + +```bash +cd /home/behrooz/Projects/vcluster_terraform +go build -o terraform-provider-vcluster +``` + +### Install locally for Terraform + +Terraform expects the provider binary in a specific directory based on +`////_`. + +For a local provider with: + +- **source**: `local/vcluster/vcluster` +- **version**: `0.1` + +Copy the binary like this (Linux amd64 example): + +```bash +mkdir -p ~/.terraform.d/plugins/local/vcluster/vcluster/0.1/linux_amd64 +cp terraform-provider-vcluster ~/.terraform.d/plugins/local/vcluster/vcluster/0.1/linux_amd64/ +``` + +Adjust the OS/arch folder name if necessary. + +### Example Terraform configuration + +Create a new directory for using the provider, e.g. `example/` and add `main.tf`: + +```hcl +terraform { + required_providers { + vcluster = { + source = "local/vcluster/vcluster" + version = "0.1" + } + } +} + +provider "vcluster" { + base_url = "http://localhost:8082" + + # Credentials used for POST /login. The provider will automatically + # call /login, get the token from {"token": "..."} and send it as + # the Authorization header on subsequent API calls. + username = "admin" + password = "admin" +} + +resource "vcluster_cluster" "example" { + name = "mytiny" + cluster_id = "2qjqhhqr" + control_plane = "k8s" + status = "Progressing" + cpu = "1" + memory = "1024" + platform_version = "v1.31.6" + health_check = "" + alert = "" + endpoint = "" + cluster_type = "tiny" + coredns_cpu = "0.1" + coredns_memory = "0.25Gi" + apiserver_cpu = "0.1" + apiserver_memory = "0.25Gi" +} +``` + +Then run: + +```bash +cd example +terraform init +terraform apply +``` + + diff --git a/example/main.tf b/example/main.tf new file mode 100644 index 0000000..2e6ef43 --- /dev/null +++ b/example/main.tf @@ -0,0 +1,36 @@ +terraform { + required_providers { + vcluster = { + source = "local/vcluster/vcluster" + version = "0.1" + } + } +} + +provider "vcluster" { + base_url = "http://localhost:8082" + + # Credentials used for POST /login. The provider will automatically + # call /login, get the token from {"token": "..."} and send it as + # the Authorization header on subsequent API calls. + username = "admin" + password = "admin" +} + +resource "vcluster_cluster" "example" { + name = "myttiny" + cluster_id = "2qjqhhqr" + control_plane = "k8s" + status = "Progressing" + cpu = "1" + memory = "1024" + platform_version = "v1.31.6" + health_check = "" + alert = "" + endpoint = "" + cluster_type = "tiny" + coredns_cpu = "0.3" + coredns_memory = "0.200Gi" + apiserver_cpu = "0.3" + apiserver_memory = "0.200Gi" +} \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..6562178 --- /dev/null +++ b/go.mod @@ -0,0 +1,44 @@ +module github.com/behrooz/terraform-provider-vcluster + +go 1.22 + +require github.com/hashicorp/terraform-plugin-sdk/v2 v2.32.0 + +require ( + github.com/agext/levenshtein v1.2.2 // indirect + github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect + github.com/fatih/color v1.13.0 // indirect + github.com/golang/protobuf v1.5.3 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320 // indirect + github.com/hashicorp/go-hclog v1.5.0 // indirect + github.com/hashicorp/go-plugin v1.6.0 // indirect + github.com/hashicorp/go-uuid v1.0.3 // indirect + github.com/hashicorp/go-version v1.6.0 // indirect + github.com/hashicorp/hcl/v2 v2.19.1 // indirect + github.com/hashicorp/logutils v1.0.0 // indirect + github.com/hashicorp/terraform-plugin-go v0.21.0 // indirect + github.com/hashicorp/terraform-plugin-log v0.9.0 // indirect + github.com/hashicorp/terraform-registry-address v0.2.3 // indirect + github.com/hashicorp/terraform-svchost v0.1.1 // indirect + github.com/hashicorp/yamux v0.1.1 // indirect + github.com/mattn/go-colorable v0.1.12 // indirect + github.com/mattn/go-isatty v0.0.14 // indirect + github.com/mitchellh/copystructure v1.2.0 // indirect + github.com/mitchellh/go-testing-interface v1.14.1 // indirect + github.com/mitchellh/go-wordwrap v1.0.0 // indirect + github.com/mitchellh/mapstructure v1.5.0 // indirect + github.com/mitchellh/reflectwalk v1.0.2 // indirect + github.com/oklog/run v1.0.0 // indirect + github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect + github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect + github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect + github.com/zclconf/go-cty v1.14.2 // indirect + golang.org/x/net v0.18.0 // indirect + golang.org/x/sys v0.16.0 // indirect + golang.org/x/text v0.14.0 // indirect + google.golang.org/appengine v1.6.8 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 // indirect + google.golang.org/grpc v1.61.0 // indirect + google.golang.org/protobuf v1.32.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..be700ac --- /dev/null +++ b/go.sum @@ -0,0 +1,145 @@ +github.com/agext/levenshtein 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new file mode 100644 index 0000000..5a380f0 --- /dev/null +++ b/main.go @@ -0,0 +1,13 @@ +package main + +import ( + "github.com/hashicorp/terraform-plugin-sdk/v2/plugin" +) + +func main() { + plugin.Serve(&plugin.ServeOpts{ + ProviderFunc: Provider, + }) +} + + diff --git a/provider.go b/provider.go new file mode 100644 index 0000000..790ab3c --- /dev/null +++ b/provider.go @@ -0,0 +1,105 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "io" + "net/http" + + "github.com/hashicorp/terraform-plugin-sdk/v2/diag" + "github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema" +) + +// apiClient holds configuration and auth token for talking to the backend API. +type apiClient struct { + BaseURL string + Token string +} + +// loginRequest represents the request body for /login. +type loginRequest struct { + Username string `json:"username"` + Password string `json:"password"` +} + +// loginResponse represents the response body from /login. +type loginResponse struct { + Token string `json:"token"` +} + +// Provider defines the vcluster Terraform provider. +func Provider() *schema.Provider { + return &schema.Provider{ + Schema: map[string]*schema.Schema{ + "base_url": { + Type: schema.TypeString, + Required: true, + Description: "Base URL of vcluster API, e.g. http://localhost:8082", + }, + "username": { + Type: schema.TypeString, + Required: true, + Description: "Username for login to vcluster API", + }, + "password": { + Type: schema.TypeString, + Required: true, + Sensitive: true, + Description: "Password for login to vcluster API", + }, + }, + ResourcesMap: map[string]*schema.Resource{ + "vcluster_cluster": resourceCluster(), + }, + ConfigureContextFunc: func(ctx context.Context, d *schema.ResourceData) (interface{}, diag.Diagnostics) { + baseURL := d.Get("base_url").(string) + username := d.Get("username").(string) + password := d.Get("password").(string) + + client := &apiClient{ + BaseURL: baseURL, + } + + // Perform login to obtain token. + reqBody, err := json.Marshal(loginRequest{ + Username: username, + Password: password, + }) + if err != nil { + return nil, diag.FromErr(err) + } + + req, err := http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/login", baseURL), bytes.NewReader(reqBody)) + if err != nil { + return nil, diag.FromErr(err) + } + req.Header.Set("Content-Type", "application/json") + + resp, err := http.DefaultClient.Do(req) + if err != nil { + return nil, diag.FromErr(err) + } + defer resp.Body.Close() + + if resp.StatusCode < 200 || resp.StatusCode >= 300 { + b, _ := io.ReadAll(resp.Body) + return nil, diag.Errorf("login failed: %s: %s", resp.Status, string(b)) + } + + var lr loginResponse + if err := json.NewDecoder(resp.Body).Decode(&lr); err != nil { + return nil, diag.FromErr(err) + } + if lr.Token == "" { + return nil, diag.Errorf("login succeeded but no token returned") + } + + client.Token = lr.Token + return client, nil + }, + } +} + + diff --git a/resource_cluster.go b/resource_cluster.go new file mode 100644 index 0000000..7597454 --- /dev/null +++ b/resource_cluster.go @@ -0,0 +1,139 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "io" + "net/http" + + "github.com/hashicorp/terraform-plugin-sdk/v2/diag" + "github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema" +) + +// ClusterPayload represents the JSON body sent to /createcluster. +type ClusterPayload struct { + Name string `json:"Name"` + ClusterID string `json:"ClusterID"` + ControlPlane string `json:"ControlPlane"` + Status string `json:"Status"` + Cpu string `json:"Cpu"` + Memory string `json:"Memory"` + PlatformVersion string `json:"PlatformVersion"` + HealthCheck string `json:"HealthCheck"` + Alert string `json:"Alert"` + EndPoint string `json:"EndPoint"` + ClusterType string `json:"ClusterType"` + CoreDNSCpu string `json:"CoreDNSCpu"` + CoreDNSMemory string `json:"CoreDNSMemory"` + ApiServerCpu string `json:"ApiServerCpu"` + ApiServerMemory string `json:"ApiServerMemory"` +} + +// resourceCluster defines the vcluster_cluster resource schema and CRUD. +func resourceCluster() *schema.Resource { + return &schema.Resource{ + CreateContext: resourceClusterCreate, + ReadContext: resourceClusterRead, + UpdateContext: resourceClusterUpdate, + DeleteContext: resourceClusterDelete, + + Schema: map[string]*schema.Schema{ + "name": {Type: schema.TypeString, Required: true}, + "cluster_id": {Type: schema.TypeString, Required: true}, + "control_plane": {Type: schema.TypeString, Required: true}, + "status": {Type: schema.TypeString, Optional: true, Default: "Progressing"}, + "cpu": {Type: schema.TypeString, Required: true}, + "memory": {Type: schema.TypeString, Required: true}, + "platform_version": {Type: schema.TypeString, Required: true}, + "health_check": {Type: schema.TypeString, Optional: true}, + "alert": {Type: schema.TypeString, Optional: true}, + "endpoint": {Type: schema.TypeString, Optional: true, Computed: true}, + "cluster_type": {Type: schema.TypeString, Required: true}, + "coredns_cpu": {Type: schema.TypeString, Required: true}, + "coredns_memory": {Type: schema.TypeString, Required: true}, + "apiserver_cpu": {Type: schema.TypeString, Required: true}, + "apiserver_memory": {Type: schema.TypeString, Required: true}, + }, + } +} + +// buildPayload converts Terraform state to API payload. +func buildPayload(d *schema.ResourceData) ClusterPayload { + return ClusterPayload{ + Name: d.Get("name").(string), + ClusterID: d.Get("cluster_id").(string), + ControlPlane: d.Get("control_plane").(string), + Status: d.Get("status").(string), + Cpu: d.Get("cpu").(string), + Memory: d.Get("memory").(string), + PlatformVersion: d.Get("platform_version").(string), + HealthCheck: d.Get("health_check").(string), + Alert: d.Get("alert").(string), + EndPoint: d.Get("endpoint").(string), + ClusterType: d.Get("cluster_type").(string), + CoreDNSCpu: d.Get("coredns_cpu").(string), + CoreDNSMemory: d.Get("coredns_memory").(string), + ApiServerCpu: d.Get("apiserver_cpu").(string), + ApiServerMemory: d.Get("apiserver_memory").(string), + } +} + +// resourceClusterCreate calls POST /createcluster. +func resourceClusterCreate(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics { + client, ok := m.(*apiClient) + if !ok || client == nil { + return diag.Errorf("invalid API client configuration") + } + + payload := buildPayload(d) + body, err := json.Marshal(payload) + if err != nil { + return diag.FromErr(err) + } + + req, err := http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/createcluster", client.BaseURL), bytes.NewReader(body)) + if err != nil { + return diag.FromErr(err) + } + req.Header.Set("Content-Type", "application/json") + // Set Authorization header with raw token as provided by the login API usage. + req.Header.Set("Authorization", client.Token) + + resp, err := http.DefaultClient.Do(req) + if err != nil { + return diag.FromErr(err) + } + defer resp.Body.Close() + + if resp.StatusCode < 200 || resp.StatusCode >= 300 { + b, _ := io.ReadAll(resp.Body) + return diag.Errorf("createcluster failed: %s: %s", resp.Status, string(b)) + } + + // Use ClusterID as Terraform resource ID. + d.SetId(payload.ClusterID) + return resourceClusterRead(ctx, d, m) +} + +// resourceClusterRead is a stub until a read API is available. +func resourceClusterRead(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics { + // TODO: Implement GET call to sync state from API if/when available. + return nil +} + +// resourceClusterUpdate is a stub; you can extend it to call an update endpoint. +func resourceClusterUpdate(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics { + // TODO: Implement update behavior when API supports it. + return resourceClusterRead(ctx, d, m) +} + +// resourceClusterDelete clears state; extend to call delete endpoint when available. +func resourceClusterDelete(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics { + // TODO: Implement delete behavior when API supports it. + d.SetId("") + return nil +} + +