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armada/docs/source/operations/guide-build-armada-yaml.rst

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Armada - Making Your First Armada Manifest
==========================================
armada/Manifest/v1
------------------
+---------------------+--------+----------------------+
| keyword | type | action |
+=====================+========+======================+
| ``release_prefix`` | string | appends to the |
| | | front of all |
| | | charts |
| | | released |
| | | by the |
| | | manifest in |
| | | order to |
| | | manage releases |
| | | throughout their |
| | | lifecycle |
+---------------------+--------+----------------------+
| ``chart_groups`` | array | references |
| | | ChartGroup document |
| | | of all groups |
| | | |
+---------------------+--------+----------------------+
Example
^^^^^^^
::
---
schema: armada/Manifest/v1
metadata:
schema: metadata/Document/v1
name: simple-armada
data:
release_prefix: armada
chart_groups:
- chart_group
armada/ChartGroup/v1
--------------------
+-----------------+----------+------------------------------------------------------------------------+
| keyword | type | action |
+=================+==========+========================================================================+
| description | string | description of chart set |
+-----------------+----------+------------------------------------------------------------------------+
| chart_group | array | reference to chart document |
+-----------------+----------+------------------------------------------------------------------------+
| sequenced | bool | enables sequenced chart deployment in a group |
+-----------------+----------+------------------------------------------------------------------------+
| test_charts | bool | run pre-defined helm tests helm in a ChartGroup |
+-----------------+----------+------------------------------------------------------------------------+
Example
^^^^^^^
::
---
schema: armada/ChartGroup/v1
metadata:
schema: metadata/Document/v1
name: blog-group
data:
description: Deploys Simple Service
sequenced: False
chart_group:
- chart
- chart
armada/Chart/v1
---------------
.. DANGER::
DEPRICATION: ``timeout`` key-value will be removed timeout will be defiend
under ``wait`` object.
Chart
^^^^^
+-----------------+----------+---------------------------------------------------------------------------------------+
| keyword | type | action |
+=================+==========+=======================================================================================+
| chart\_name | string | name for the chart |
+-----------------+----------+---------------------------------------------------------------------------------------+
| release\_name | string | name of the release |
+-----------------+----------+---------------------------------------------------------------------------------------+
| namespace | string | namespace of your chart |
+-----------------+----------+---------------------------------------------------------------------------------------+
| wait | object | contains wait information such as (timeout, lables) |
+-----------------+----------+---------------------------------------------------------------------------------------+
| test | bool | run pre-defined helm tests helm in a chart |
+-----------------+----------+---------------------------------------------------------------------------------------+
| install | object | install the chart into your Kubernetes cluster |
+-----------------+----------+---------------------------------------------------------------------------------------+
| update | object | update the chart managed by the armada yaml |
+-----------------+----------+---------------------------------------------------------------------------------------+
| values | object | override any default values in the charts |
+-----------------+----------+---------------------------------------------------------------------------------------+
| source | object | provide a path to a ``git repo``, ``local dir``, or ``tarball url`` chart |
+-----------------+----------+---------------------------------------------------------------------------------------+
| dependencies | object | reference any chart dependencies before install |
+-----------------+----------+---------------------------------------------------------------------------------------+
| timeout | int | time (in seconds) allotted for chart to deploy when 'wait' flag is set (DEPRICATED) |
+-----------------+----------+---------------------------------------------------------------------------------------+
Update - Pre or Post
^^^^^^^^^^^^^^^^^^^^
+-------------+----------+---------------------------------------------------------------+
| keyword | type | action |
+=============+==========+===============================================================+
| pre | object | actions prior to updating chart |
+-------------+----------+---------------------------------------------------------------+
| post | object | actions post updating chart |
+-------------+----------+---------------------------------------------------------------+
Update - Actions
^^^^^^^^^^^^^^^^
+-------------+----------+---------------------------------------------------------------+
| keyword | type | action |
+=============+==========+===============================================================+
| update | object | updates daemonsets in pre update actions |
+-------------+----------+---------------------------------------------------------------+
| delete | object | delete jobs in pre delete actions |
+-------------+----------+---------------------------------------------------------------+
.. note::
Update actions are performed in the pre/post sections of update
Update - Actions - Update/Delete
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+-------------+----------+---------------------------------------------------------------+
| keyword | type | action |
+=============+==========+===============================================================+
| name | string | name of action |
+-------------+----------+---------------------------------------------------------------+
| type | string | type of kubernetes workload to execute |
+-------------+----------+---------------------------------------------------------------+
| labels | object | array of labels to query against kinds. (key: value) |
+-------------+----------+---------------------------------------------------------------+
.. note::
Update Actions only support type: 'daemonset'
.. note::
Delete Actions only support type: 'job'
Example
^^^^^^^
::
# type git
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release_name: blog-1
namespace: default
wait:
timeout: 100
labels:
component: blog
install:
no_hook: false
upgrade:
no_hook: false
values: {}
source:
type: git
location: https://github.com/namespace/repo
subpath: .
reference: master
dependencies: []
# type local
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release_name: blog-1
namespace: default
wait:
timeout: 100
install:
no_hook: false
upgrade:
no_hook: false
values: {}
source:
type: local
location: /path/to/charts
subpath: chart
reference: master
dependencies: []
# type tar
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release_name: blog-1
namespace: default
wait:
timeout: 100
install:
no_hook: false
upgrade:
no_hook: false
values: {}
source:
type: tar
location: https://localhost:8879/charts/chart-0.1.0.tgz
subpath: mariadb
reference: null
dependencies: []
Source
^^^^^^
+-------------+----------+-----------------------------------------------------------------------------------+
| keyword | type | action |
+=============+==========+===================================================================================+
| type | string | source to build the chart: ``git``, ``local``, or ``tar`` |
+-------------+----------+-----------------------------------------------------------------------------------+
| location | string | ``url`` or ``path`` to the chart's parent directory |
+-------------+----------+-----------------------------------------------------------------------------------+
| subpath | string | (optional) relative path to target chart from parent (``.`` if not specified) |
+-------------+----------+-----------------------------------------------------------------------------------+
| reference | string | (optional) branch, commit, or reference in the repo (``master`` if not specified) |
+-------------+----------+-----------------------------------------------------------------------------------+
Example
^^^^^^^
::
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release_name: blog-1
namespace: default
wait:
timeout: 100
install:
no_hook: false
upgrade:
no_hook: false
pre:
update:
- name: test-daemonset
type: daemonset
labels:
foo: bar
component: bar
rak1: enababled
delete:
- name: test-job
type: job
labels:
foo: bar
component: bar
rak1: enababled
values: {}
source:
type: git
location: https://github.com/namespace/repo
subpath: .
reference: master
dependencies: []
Defining a Manifest
~~~~~~~~~~~~~~~~~~~
To define your Manifest you need to define a ``armada/Manifest/v1`` document,
``armada/ChartGroup/v1`` document, ``armada/Chart/v1``.
Following the definitions above for each document you will be able to construct
an armada manifest.
Armada - Deploy Behavior
^^^^^^^^^^^^^^^^^^^^^^^^
1. Armada will perform set of pre-flight checks to before applying the manifest
- validate input manifest
- check tiller service is Running
- check chart source locations are valid
2. Deploying Armada Manifest
1. If the chart is not found
- we will install the chart
3. If exist then
- Armada will check if there are any differences in the chart
- if the charts are different then it will execute an upgrade
- else it will not perform any actions
.. note::
You can use references in order to build your charts, this will reduce
the size of the chart definition will show example in multichart below
Simple Example
^^^^^^^^^^^^^^
::
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release: blog-1
namespace: default
values: {}
source:
type: git
location: http://github.com/namespace/repo
subpath: blog-1
reference: new-feat
dependencies: []
---
schema: armada/ChartGroup/v1
metadata:
schema: metadata/Document/v1
name: blog-group
data:
description: Deploys Simple Service
sequenced: False
chart_group:
- blog-1
---
schema: armada/Manifest/v1
metadata:
schema: metadata/Document/v1
name: simple-armada
data:
release_prefix: armada
chart_groups:
- blog-group
Multichart Example
^^^^^^^^^^^^^^^^^^
::
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-1
data:
chart_name: blog-1
release: blog-1
namespace: default
values: {}
source:
type: git
location: https://github.com/namespace/repo
subpath: blog1
reference: master
dependencies: []
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-2
data:
chart_name: blog-2
release: blog-2
namespace: default
values: {}
source:
type: tar
location: https://github.com/namespace/repo/blog2.tgz
subpath: blog2
dependencies: []
---
schema: armada/Chart/v1
metadata:
schema: metadata/Document/v1
name: blog-3
data:
chart_name: blog-3
release: blog-3
namespace: default
values: {}
source:
type: local
location: /home/user/namespace/repo/blog3
dependencies: []
---
schema: armada/ChartGroup/v1
metadata:
schema: metadata/Document/v1
name: blog-group-1
data:
description: Deploys Simple Service
sequenced: False
chart_group:
- blog-2
---
schema: armada/ChartGroup/v1
metadata:
schema: metadata/Document/v1
name: blog-group-2
data:
description: Deploys Simple Service
sequenced: False
chart_group:
- blog-1
- blog-3
---
schema: armada/Manifest/v1
metadata:
schema: metadata/Document/v1
name: simple-armada
data:
release_prefix: armada
chart_groups:
- blog-group-1
- blog-group-2
References
~~~~~~~~~~
For working examples please check the examples in our repo
`here <https://github.com/att-comdev/armada/tree/master/examples>`__
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