Implement plugin catalog and discovery system

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
2026-04-02 13:56:56 +00:00 · 2026-03-30 11:51:21 +03:00
parent d9f51d047d
commit 1db4e66099
12 changed files with 1980 additions and 0 deletions
--- a/internal/plugin/update_test.go
+++ b/internal/plugin/update_test.go
@@ -0,0 +1,153 @@
+/*
+Copyright 2026 The Flux authors
+
+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.
+*/
+
+package plugin
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestCheckUpdateUpToDate(t *testing.T) {
+	manifest := `
+apiVersion: cli.fluxcd.io/v1beta1
+kind: Plugin
+name: operator
+bin: flux-operator
+versions:
+  - version: 0.45.0
+    platforms:
+      - os: linux
+        arch: amd64
+        url: https://example.com/archive.tar.gz
+        checksum: sha256:abc123
+`
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte(manifest))
+	}))
+	defer server.Close()
+
+	pluginDir := t.TempDir()
+
+	// Write receipt with same version.
+	receiptData := `name: operator
+version: "0.45.0"
+installedAt: "2026-03-28T20:05:00Z"
+platform:
+  os: linux
+  arch: amd64
+`
+	os.WriteFile(filepath.Join(pluginDir, "flux-operator.yaml"), []byte(receiptData), 0o644)
+
+	catalog := &CatalogClient{
+		BaseURL:    server.URL + "/",
+		HTTPClient: server.Client(),
+		GetEnv:     func(key string) string { return "" },
+	}
+
+	result := CheckUpdate(pluginDir, "operator", catalog, "linux", "amd64")
+	if result.Err != nil {
+		t.Fatalf("unexpected error: %v", result.Err)
+	}
+	if !result.Skipped {
+		t.Error("expected skipped=true")
+	}
+	if result.SkipReason != SkipReasonUpToDate {
+		t.Errorf("expected %q, got %q", SkipReasonUpToDate, result.SkipReason)
+	}
+}
+
+func TestCheckUpdateAvailable(t *testing.T) {
+	manifest := `
+apiVersion: cli.fluxcd.io/v1beta1
+kind: Plugin
+name: operator
+bin: flux-operator
+versions:
+  - version: 0.46.0
+    platforms:
+      - os: linux
+        arch: amd64
+        url: https://example.com/archive.tar.gz
+        checksum: sha256:abc123
+  - version: 0.45.0
+    platforms:
+      - os: linux
+        arch: amd64
+        url: https://example.com/archive.tar.gz
+        checksum: sha256:def456
+`
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte(manifest))
+	}))
+	defer server.Close()
+
+	pluginDir := t.TempDir()
+
+	receiptData := `name: operator
+version: "0.45.0"
+installedAt: "2026-03-28T20:05:00Z"
+platform:
+  os: linux
+  arch: amd64
+`
+	os.WriteFile(filepath.Join(pluginDir, "flux-operator.yaml"), []byte(receiptData), 0o644)
+
+	catalog := &CatalogClient{
+		BaseURL:    server.URL + "/",
+		HTTPClient: server.Client(),
+		GetEnv:     func(key string) string { return "" },
+	}
+
+	result := CheckUpdate(pluginDir, "operator", catalog, "linux", "amd64")
+	if result.Err != nil {
+		t.Fatalf("unexpected error: %v", result.Err)
+	}
+	if result.Skipped {
+		t.Error("expected skipped=false")
+	}
+	if result.FromVersion != "0.45.0" {
+		t.Errorf("expected from '0.45.0', got %q", result.FromVersion)
+	}
+	if result.ToVersion != "0.46.0" {
+		t.Errorf("expected to '0.46.0', got %q", result.ToVersion)
+	}
+}
+
+func TestCheckUpdateManualInstall(t *testing.T) {
+	pluginDir := t.TempDir()
+
+	// No receipt — manually installed.
+	catalog := &CatalogClient{
+		BaseURL:    "https://example.com/",
+		HTTPClient: http.DefaultClient,
+		GetEnv:     func(key string) string { return "" },
+	}
+
+	result := CheckUpdate(pluginDir, "operator", catalog, "linux", "amd64")
+	if result.Err != nil {
+		t.Fatalf("unexpected error: %v", result.Err)
+	}
+	if !result.Skipped {
+		t.Error("expected skipped=true")
+	}
+	if result.SkipReason != SkipReasonManual {
+		t.Errorf("expected 'manually installed', got %q", result.SkipReason)
+	}
+}