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OpenStack Ceilometer example: more literate text

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This commit is contained in:
Eugene Kalinin
2016-10-15 14:50:43 +03:00
committed by Travis Reeder
parent 1e77d19af1
commit 8cf6eb5ada
1 changed files with 13 additions and 12 deletions
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examples/openstack-ceilometer/README.md
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@@ -1,10 +1,11 @@
# OpenStack Ceilometer Example
This is an example how to call IronFunctions from OpenStack Ceilometer.
This is an example of using OpenStack Ceilometer notifications as an event
source for IronFunctions.
For simplicity, we will use vagrant & devstack.
For simplicity, we will use [vagrant](https://github.com/mitchellh/vagrant) & [devstack](https://github.com/openstack-dev/devstack).
It's assumed that execution file is located in this directory (`functions`).
It's assumed that IronFunctions is built and located in this directory (`functions`).
## Install OpenStack
@@ -19,9 +20,9 @@ The password: admin
This is your host ip: 192.168.1.11
```
## Run IronFunctions inside the
## Run IronFunctions inside the VM
Login into vagrant's box and run IronFunctions binary:
Login to Vagrant instance and start IronFunctions:
```bash
$ vagrant ssh
@@ -38,10 +39,10 @@ INFO[0000] async workers:1
...
```
Dont's exit this session. We will need this log later.
Don't exit this session. We will need this log later.
## Configure IronFunction
## Configure IronFunctions
Login again and add some configuration for calling IronFunctions:
@@ -53,7 +54,7 @@ $ curl -H "Content-Type: application/json" -X POST -d '{"route": {"path":"/hello
{"message":"Route successfully created","route":{"appname":"myapp","path":"/hello","image":"iron/hello","memory":128,"type":"sync","config":null}}
```
## Start an instance inside OpenStack
## Start a Nova compute instance inside OpenStack
```bash
$ . devstack/openrc admin admin
@@ -67,7 +68,7 @@ $ nova list --all-tenants
+--------------------------------------+-------------+----------------------------------+--------+------------+-------------+------------------+
```
## Create an Alarm in OpenStack Ceilometer
## Use the OpenStack Ceilometer CLI to create an alarm threshold"
```bash
$ ceilometer alarm-threshold-create \
@@ -89,9 +90,9 @@ $ ceilometer alarm-list
+--------------------------------------+----------+-------+----------+---------+------------+--------------------------------------+------------------+
```
## Add some load to the instance
## Trigger the alarm we created in the previous step by adding load to the instance
Login into just started instance:
Login to Nova compute instance we created in previous step:
```bash
host $ vagrant ssh
@@ -114,4 +115,4 @@ INFO[1633] name=run.exec_time type
[GIN] 2016/10/14 - 12:43:39 | 200 | 985.96401ms | 127.0.0.1 | POST /r/myapp/hello
```
Hooray! `myapp/hello` was called by OpenStack Ceilometer!
Hooray! `myapp/hello` was triggered by OpenStack Ceilometer!