fix: check for namespace

Signed-off-by: Lenin Mehedy <lenin.mehedy@swirldslabs.com>

fullstack-network-manager/src/commands/chart.mjs

@@ -99,6 +99,10 @@ export class ChartCommand extends BaseCommand {
       config.enableTls, config.tlsClusterIssuerName, config.tlsClusterIssuerNamespace, config.enableHederaExplorerTls,
       config.acmeClusterIssuer, config.selfSignedClusterIssuer)
 
+    if (!await this.kubectl2.hasNamespace(config.namespace)) {
+      throw new FullstackTestingError(`namespace ${config.namespace} does not exist`)
+    }
+
     return config
   }
 

fullstack-network-manager/src/commands/node.mjs

@@ -123,6 +123,10 @@ export class NodeCommand extends BaseCommand {
             chainId: await prompts.promptChainId(task, argv.chainId)
           }
 
+          if (!await this.kubectl2.hasNamespace(config.namespace)) {
+            throw new FullstackTestingError(`namespace ${config.namespace} does not exist`)
+          }
+
           // compute other config parameters
           config.releasePrefix = Templates.prepareReleasePrefix(config.releaseTag)
           config.buildZipFile = `${config.cacheDir} /${config.releasePrefix}/build-${config.releaseTag}.zip`
@@ -215,6 +219,10 @@ export class NodeCommand extends BaseCommand {
             namespace: await prompts.promptSelectNamespaceArg(task, namespace, namespaces),
             nodeIds: await prompts.promptNodeIdsArg(task, argv.nodeIds)
           }
+
+          if (!await this.kubectl2.hasNamespace(ctx.config.namespace)) {
+            throw new FullstackTestingError(`namespace ${ctx.config.namespace} does not exist`)
+          }
         }
       },
       {
@@ -289,11 +297,14 @@ export class NodeCommand extends BaseCommand {
 
           // get existing choices
           const namespaces = await self.kubectl2.getNamespaces()
-
           ctx.config = {
             namespace: await prompts.promptSelectNamespaceArg(task, namespace, namespaces),
             nodeIds: await prompts.promptNodeIdsArg(task, argv.nodeIds)
           }
+
+          if (!await this.kubectl2.hasNamespace(ctx.config.namespace)) {
+            throw new FullstackTestingError(`namespace ${ctx.config.namespace} does not exist`)
+          }
         }
       },
       {

fullstack-network-manager/src/core/kubectl2.mjs

@@ -132,6 +132,16 @@ export class Kubectl2 {
     throw new FullstackTestingError('incorrect response received from kubernetes API. Unable to list namespaces')
   }
 
+  /**
+   * Returns true if a namespace exists with the given name
+   * @param namespace namespace name
+   * @return {Promise<boolean>}
+   */
+  async hasNamespace (namespace) {
+    const namespaces = await this.getNamespaces()
+    return namespaces.includes(namespace)
+  }
+
   /**
    * Get a podName by name
    * @param name podName name