Add Cluster Discovery

hpe-container-platform-community-demos · Jun 16, 2020 · e25d908 · e25d908
1 parent 9926a08
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diff --git a/GettingStarted.ipynb b/GettingStarted.ipynb
@@ -133,84 +133,163 @@
     "hpecp k8scluster list "
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### `Do not continue if you dont get any output from the command above`"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
     " ### 2b.) Create kube_admin_config\n",
-    " Execute the following command to create the Kubernetes Admin configs for all clusters managed by HPECP"
+    " Execute the following command to create the Kubernetes Cluster Configuration\n"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 31,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Clustername detected: development\n"
+     ]
+    }
+   ],
    "source": [
-    "mkdir -p /home/${NB_USER}/data/k8sconfig/\n",
-    "CLUSTERS=$(hpecp k8scluster list --columns [id,name]  --output text | sed 1d | tr -s '[:blank:]' ',')\n",
-    "for CLUSTER in $CLUSTERS;\n",
-    "do\n",
-    "    ID=$(echo $CLUSTER | cut -d ',' -f 1)\n",
-    "    NAME=$(echo $CLUSTER | cut -d ',' -f 2)\n",
-    "    hpecp k8scluster admin-kube-config $ID > /home/${NB_USER}/data/k8sconfig/${NAME}_kube.conf\n",
-    "done\n",
-    "unset KUBECONFIG\n",
-    "for i in $(find /home/${NB_USER}/data/k8sconfig/*_kube.conf -maxdepth 0 -type f)\n",
-    "do\n",
-    "         export KUBECONFIG=$KUBECONFIG:${i}\n",
-    " done\n",
-    "\n",
-    "\n"
+    "/home/hpecp/data/hpecp-tutorialbox-demo/tools/k8s-discovery.sh"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    " ### 2c.) Check if you are able to connect to the Kubernetes Cluster using the kubectl cli \n",
-    " You should receive the node list for your kubernetes cluster"
+    " ### 2c.) Check if you are able to list and access  the Kubernetes Cluster using the kubectl cli \n",
+    "#### List your kubernetes Cluster"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
       "NAME\n",
-      "k8s-3\n"
+      "development\n"
      ]
     }
    ],
    "source": [
     "kubectl config get-clusters"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Select a kubernetes Cluster"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Switched to context \"development\".\n"
+     ]
+    }
+   ],
+   "source": [
+    "kubectx development"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### List the Namespaces in your Cluster"
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "NAME                                       STATUS   ROLES    AGE   VERSION\n",
-      "ip-10-1-0-122.eu-west-3.compute.internal   Ready    worker   60d   v1.17.0\n",
-      "ip-10-1-0-154.eu-west-3.compute.internal   Ready    worker   60d   v1.17.0\n",
-      "ip-10-1-0-16.eu-west-3.compute.internal    Ready    master   68d   v1.17.0\n",
-      "ip-10-1-0-254.eu-west-3.compute.internal   Ready    worker   60d   v1.17.0\n",
-      "ip-10-1-0-56.eu-west-3.compute.internal    Ready    worker   68d   v1.17.0\n",
-      "ip-10-1-0-64.eu-west-3.compute.internal    Ready    worker   68d   v1.17.0\n"
+      "NAME      STATUS   AGE\n",
+      "default   Active   69d\n"
      ]
     }
    ],
    "source": [
-    "kubectl get nodes"
+    "kubectl get ns default"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Select a Namespace\n",
+    "The tool kubens can be used to easily switch between namespace/tenants"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Context \"development\" modified.\n",
+      "Active namespace is \"default\".\n"
+     ]
+    }
+   ],
+   "source": [
+    "kubens default"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### list Pods running in your Namespace\n",
+    "kubectl pods will list all the pods running in the namespace"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "NAME                                READY   STATUS    RESTARTS   AGE\n",
+      "mysql-1586443628-589d9d5fc5-4lpjq   1/1     Running   32         68d\n"
+     ]
+    }
+   ],
+   "source": [
+    "kubectl get pods"
    ]
   },
   {
@@ -220,6 +299,37 @@
     "# You are now Ready to start with the tutorials"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## List of Tutorials \n",
+    "\n",
+    "Data Engineer\n",
+    "\n",
+    "*   Red\n",
+    "*   Green\n",
+    "*   Blue\n",
+    "\n",
+    "Data Scientist\n",
+    "\n",
+    "*   Red\n",
+    "*   Green\n",
+    "*   Blue\n",
+    "\n",
+    "App Developer\n",
+    "\n",
+    "*   Red\n",
+    "*   Green\n",
+    "*   Blue\n",
+    "\n",
+    "Operator\n",
+    "\n",
+    "*   Red\n",
+    "*   Green\n",
+    "*   Blue"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},

diff --git a/tools/k8s-discovery.sh b/tools/k8s-discovery.sh
@@ -0,0 +1,14 @@
+mkdir -p /home/${NB_USER}/data/k8sconfig/
+CLUSTERS=$(hpecp k8scluster list --columns [id,name]  --output text | sed 1d | tr -s '[:blank:]' ',')
+for CLUSTER in $CLUSTERS;
+do
+    ID=$(echo $CLUSTER | cut -d ',' -f 1)
+    NAME=$(echo $CLUSTER | cut -d ',' -f 2)
+    hpecp k8scluster admin-kube-config $ID > /home/${NB_USER}/data/k8sconfig/${NAME}_kube.conf
+done
+unset KUBECONFIG
+for i in $(find /home/${NB_USER}/data/k8sconfig/*_kube.conf -maxdepth 0 -type f)
+do
+         export KUBECONFIG=$KUBECONFIG:${i}
+ done
+/home/${NB_USER}/data/hpecp-tutorialbox-demo/tools/kubeconfigtweak.py