feat: ci namespace fallback

SocialGouv · Jul 24, 2023 · 82739a8 · 82739a8
1 parent c4d2a2c
commit 82739a8
Show file tree

Hide file tree

Showing 3 changed files with 63 additions and 11 deletions.
diff --git a/packages/common/config/load-config.js b/packages/common/config/load-config.js
@@ -30,6 +30,7 @@ const slug = require("../utils/slug")
 const normalizeRepositoryUrl = require("../utils/normalize-repository-url")
 
 const gitEnv = require("../utils/git-env")
+const kubectl = require("../utils/kubectl-retry")
 
 const loadDependencies = require("./load-dependencies")
 
@@ -55,6 +56,8 @@ const loadConfig = async (
 ) => {
   const env = ctx.get("env") || process.env
 
+  configMeta.__cachedResults = configMeta.__cachedResults || {}
+
   const setConfigMeta = (configKey, key, value) => {
     if (!configMeta[configKey]) {
       configMeta[configKey] = {}
@@ -478,14 +481,6 @@ const loadConfig = async (
         return `${webhookUri}/api/v1/oas/artifacts/status?${query}`
       },
     },
-    ciNamespace: {
-      option: "ci-namespace",
-      env: "KS_CI_NAMESPACE",
-      defaultFunction: (config) =>
-        config.repositoryName
-          ? `${config.projectName || config.repositoryName}-ci`
-          : undefined,
-    },
     ci: {
       env: "KS_CI",
       defaultFunction: () => ciDetect(),
@@ -544,6 +539,61 @@ const loadConfig = async (
         return kubeconfigContext[config.environment]
       },
     },
+    ciNamespaceDefaultFallback: {
+      default: false,
+    },
+    ciNamespace: {
+      option: "ci-namespace",
+      env: "KS_CI_NAMESPACE",
+      envParser: envParserCastArray,
+      defaultFunction: (config) =>
+        config.ciNamespaceDefaultFallback
+          ? [
+              `ci-${config.projectName || config.repositoryName}`,
+              `${config.projectName || config.repositoryName}-ci`,
+            ]
+          : `${config.projectName || config.repositoryName}-ci`,
+      transform: async (value, config) => {
+        if (!Array.isArray(value)) {
+          return value
+        }
+        if (value.length <= 1) {
+          return value[0]
+        }
+
+        const cached = configMeta.__cachedResults
+        if (!cached.ciNamespaces) {
+          cached.ciNamespaces = {}
+        }
+        const cachedCiNs = cached.ciNamespaces
+
+        for (const ns of value) {
+          if (cachedCiNs[ns] !== undefined) {
+            if (cachedCiNs[ns]) {
+              return ns
+            }
+            continue
+          }
+          try {
+            await kubectl(`get ns ${ns}`, {
+              kubeconfig: config.kubeconfig,
+              kubeconfigContext: config.kubeconfigContext,
+              logInfo: false,
+              logError: false,
+              logger,
+            })
+            cachedCiNs[ns] = true
+            return ns
+          } catch (err) {
+            cachedCiNs[ns] = false
+            // do nothing
+          }
+        }
+        throw new Error(
+          `no matching ci namespace found, looked for: ${value.join(", ")}`
+        )
+      },
+    },
     linksSelfLocation: {
       default: "socialgouv/kontinuous",
     },

diff --git a/packages/kontinuous/src/cli/options.js b/packages/kontinuous/src/cli/options.js
@@ -76,7 +76,10 @@ module.exports.deployWith = new Option(
   "set deploy-with plugin to handle the deployment"
 )
 
-module.exports.ciNamespace = new Option("--ci-namespace <ns>", "ci namespace")
+module.exports.ciNamespace = new Option(
+  "--ci-namespace <ns...>",
+  "ci namespace"
+)
 
 module.exports.rancherProjectId = new Option(
   "--rancher-project-id <project-id>",

diff --git a/plugins/contrib/values-compilers/06-global-defaults.js b/plugins/contrib/values-compilers/06-global-defaults.js
@@ -57,8 +57,7 @@ module.exports = async (values, options, { config, utils, ctx }) => {
 
   const { projectName } = config
 
-  const ciNamespace =
-    config.ciNamespace || `${projectName || repositoryName}-ci`
+  const { ciNamespace } = config
 
   const replicas = isProd ? 2 : 1