add cleanup instructions and other minor task improvements (#217)

_docs/samples/bookinfo.md

@@ -239,9 +239,12 @@ This application is polyglot, i.e., the microservices are written in different l
 Now that you have the BookInfo sample up and running, you can use Istio to control traffic routing,
 inject faults, rate limit services, etc..
 
-* To get started, check out the [request routing task]({{home}}/docs/tasks/request-routing.html)
+To get started, check out the [request routing task]({{home}}/docs/tasks/request-routing.html)
 
-* When you're finished experimenting with the BookInfo sample, you can uninstall it as follows:
+
+## Cleanup
+
+When you're finished experimenting with the BookInfo sample, you can uninstall it as follows:
 
 1. Delete the routing rules and terminate the application pods
 

_docs/tasks/egress.md

@@ -22,10 +22,14 @@ service or, alternatively, to simply enable direct calls to an external service.
 * Setup Istio by following the instructions in the
   [Installation guide](./installing-istio.html).
 
-* Start a service pod that you can use as a test source for external calls.
+* Start the [sleep](https://github.com/istio/istio/tree/master/samples/apps/sleep) sample
-  Any pod that you can `exec` and `curl` from will do, for example,
+  which will be used as a test source for external calls.
-  the [sleep sample](https://github.com/istio/istio/tree/master/samples/apps/sleep)
+  
-  is a good choice.
+  ```bash
+  kubectl apply -f <(istioctl kube-inject -f samples/apps/sleep/sleep.yaml)
+  ```
+
+  Note that any pod that you can `exec` and `curl` from would do.
 
 ## Using the Istio Egress service
 
@@ -167,6 +171,22 @@ The second approach bypasses the Istio sidecar proxy, giving your services direc
 external URL. However, configuring the proxy this way does require
 cloud provider specific knowledge and configuration.
 
+
+## Cleanup
+
+1. Remove the external services.
+    
+   ```bash
+   kubectl delete service externalbin securegoogle 
+   ```
+
+1. Shutdown the [sleep](https://github.com/istio/istio/tree/master/samples/apps/sleep) service.
+
+   ```
+   kubectl delete -f samples/apps/sleep/sleep.yaml
+   ```
+
+
 ## What's next
 
 * Read more about the [egress service]({{home}}/docs/concepts/traffic-management/request-routing.html#ingress-and-egress-envoys).

_docs/tasks/fault-injection.md

@@ -102,3 +102,7 @@ continue without any errors.
 * Learn more about [fault injection]({{home}}/docs/concepts/traffic-management/fault-injection.html).
 
 * Limit requests to the BookInfo `ratings` service with Istio [rate limiting](./rate-limiting.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.

_docs/tasks/ingress.md

@@ -301,7 +301,7 @@ We also showed how to control the ingress traffic using an Istio route rule.
     
    ```bash
    istioctl delete route-rule httpbin-3s-rule 
-   kubectl delete ingress istio-ingress secured-ingress 
+   kubectl delete ingress simple-ingress secured-ingress 
    kubectl delete secret ingress-secret
    ```
 
@@ -311,6 +311,7 @@ We also showed how to control the ingress traffic using an Istio route rule.
    kubectl delete -f samples/apps/httpbin/httpbin.yaml
    ```
 
+
 ## What's next
 
 * Learn more about [routing rules]({{home}}/docs/concepts/traffic-management/rules-configuration.html).

_docs/tasks/metrics-logs.md

@@ -258,3 +258,7 @@ Config API to add support for creating new descriptors.
 * Discover the full [Attribute Vocabulary]({{home}}/docs/reference/config/mixer/attribute-vocabulary.html).
 
 * Read the reference guide to [Writing Config]({{home}}/docs/reference/writing-config.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.

_docs/tasks/rate-limiting.md

@@ -164,3 +164,7 @@ the following config validation error if any labels are missing.
 * Discover the full [Attribute Vocabulary]({{home}}/docs/reference/config/mixer/attribute-vocabulary.html).
 
 * Read the reference guide to [Writing Config]({{home}}/docs/reference/writing-config.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.

_docs/tasks/request-routing.md

@@ -175,3 +175,7 @@ that we created exclusively for him:
 * Learn more about [request routing]({{home}}/docs/concepts/traffic-management/rules-configuration.html).
 
 * Test the BookInfo application resiliency by [injecting faults](./fault-injection.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.

_docs/tasks/request-timeouts.md

@@ -123,3 +123,7 @@ the timeout is specified in millisecond (instead of second) units.
 * Learn more about [failure handling]({{home}}/docs/concepts/traffic-management/handling-failures.html).
 
 * Learn more about [routing rules]({{home}}/docs/concepts/traffic-management/rules-configuration.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.

_docs/tasks/zipkin-tracing.md

@@ -158,3 +158,7 @@ When you make downstream calls, make sure to include those headers.
 * Discover the full [Attribute Vocabulary]({{home}}/docs/reference/config/mixer/attribute-vocabulary.html).
 
 * Read the reference guide to [Writing Config]({{home}}/docs/reference/writing-config.html).
+
+* If you are not planning to explore any follow-on tasks, refer to the
+  [BookInfo cleanup]({{home}}/docs/samples/bookinfo.html#cleanup) instructions
+  to shutdown the application and cleanup the associated rules.