Use code-block:: yaml for all template snippets
This replaces any existing literal blocks containing template snippets with a yaml highlighted code block, which is more consistent with newer content. The resource HOT Syntax generation is also fixed to use yaml syntax highlighting by setting the rawsource argument Change-Id: Ie3404420ef70eba6402a4f7171cc56fb5a1f9445
This commit is contained in:
Steve Baker
parent
1b854ae932
commit
e9707af332
@ -176,7 +176,7 @@ resources:
|
||||
the_resource:
|
||||
type: %s%s''' % (self.resource_type, props_str)
|
||||
|
||||
block = nodes.literal_block('', template, language="hot")
|
||||
block = nodes.literal_block(template, template, language="yaml")
|
||||
section.append(block)
|
||||
|
||||
@staticmethod
|
||||
|
||||
@ -42,7 +42,9 @@ To achieve this:
|
||||
|
||||
The following examples illustrate how you can use a custom template to define
|
||||
new types of resources. These examples use a custom template stored in a
|
||||
:file:`my_nova.yaml` file::
|
||||
:file:`my_nova.yaml` file
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2014-10-16
|
||||
|
||||
@ -62,7 +64,9 @@ new types of resources. These examples use a custom template stored in a
|
||||
Use the template filename as type
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
The following template defines the :file:`my_nova.yaml` file as value for the
|
||||
``type`` property of a resource::
|
||||
``type`` property of a resource
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2014-10-16
|
||||
|
||||
@ -99,7 +103,9 @@ resource will override the default one.
|
||||
In the following example a new ``OS::Nova::Server`` resource overrides the
|
||||
default resource of the same name.
|
||||
|
||||
An :file:`env.yaml` environment file holds the definition of the new resource::
|
||||
An :file:`env.yaml` environment file holds the definition of the new resource
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resource_registry:
|
||||
"OS::Nova::Server": my_nova.yaml
|
||||
@ -108,7 +114,9 @@ An :file:`env.yaml` environment file holds the definition of the new resource::
|
||||
|
||||
See :ref:`environments` for more detail about environment files.
|
||||
|
||||
You can now use the new ``OS::Nova::Server`` in your new template::
|
||||
You can now use the new ``OS::Nova::Server`` in your new template
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2014-10-16
|
||||
|
||||
@ -126,7 +134,9 @@ Get access to nested attributes
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
There are implicit attributes of a template resource. Accessing nested
|
||||
attributes requires ``heat_template_version`` 2014-10-16 or higher. These are
|
||||
accessible as follows::
|
||||
accessible as follows
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2014-10-16
|
||||
|
||||
@ -146,7 +156,9 @@ Making your template resource more "transparent"
|
||||
|
||||
If you wish to be able to return the ID of one of the inner resources
|
||||
instead of the nested stack's identifier, you can add the special reserved
|
||||
output ``OS::stack_id`` to your template resource::
|
||||
output ``OS::stack_id`` to your template resource
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2014-10-16
|
||||
|
||||
|
||||
@ -35,7 +35,8 @@ name : String
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{Ref: my_server}
|
||||
|
||||
@ -57,7 +58,7 @@ value : String
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
{"Fn::Base64": "convert this string please."}
|
||||
|
||||
@ -85,7 +86,7 @@ second_level_key : String
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
Mapping:
|
||||
MyContacts:
|
||||
@ -112,7 +113,7 @@ attribute : String
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
{Fn::GetAtt: [my_server, PublicIp]}
|
||||
|
||||
@ -132,7 +133,8 @@ region : String
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{Fn::GetAZs: ""}
|
||||
|
||||
@ -154,7 +156,7 @@ list : list
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
{Fn::Join: [",", ["beer", "wine", "more beer"]]}
|
||||
|
||||
@ -179,14 +181,16 @@ Usage
|
||||
~~~~~
|
||||
|
||||
For a list lookup:
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{ "Fn::Select" : [ "2", [ "apples", "grapes", "mangoes" ] ] }
|
||||
|
||||
Returns ``mangoes``.
|
||||
|
||||
For a map lookup:
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{ "Fn::Select" : [ "red", {"red": "a", "flu": "b"} ] }
|
||||
|
||||
@ -208,7 +212,8 @@ string : String
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{ "Fn::Split" : [ ",", "str1,str2,str3,str4"]}
|
||||
|
||||
@ -228,7 +233,8 @@ string: String
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{"Fn::Replace": [
|
||||
{'$var1': 'foo', '%var2%': 'bar'},
|
||||
@ -254,7 +260,7 @@ attribute_name : String
|
||||
Usage
|
||||
~~~~~
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
{'Fn::ResourceFacade': 'Metadata'}
|
||||
{'Fn::ResourceFacade': 'DeletionPolicy'}
|
||||
@ -265,7 +271,7 @@ Example
|
||||
~~~~~~~
|
||||
Here is a top level template ``top.yaml``
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
my_server:
|
||||
@ -276,7 +282,8 @@ Here is a top level template ``top.yaml``
|
||||
|
||||
|
||||
Here is a resource template ``my_actual_server.yaml``
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
_actual_server_:
|
||||
@ -284,7 +291,8 @@ Here is a resource template ``my_actual_server.yaml``
|
||||
metadata: {'Fn::ResourceFacade': Metadata}
|
||||
|
||||
The environment file ``env.yaml``
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resource_registry:
|
||||
resources:
|
||||
@ -320,7 +328,8 @@ list: A list of strings
|
||||
|
||||
Usage
|
||||
~~~~~
|
||||
::
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
{'Fn::MemberListToMap': ['Name', 'Value', ['.member.0.Name=key',
|
||||
'.member.0.Value=door',
|
||||
|
||||
@ -46,7 +46,7 @@ definition using only predefined properties (along with the mandatory Heat
|
||||
template version tag). For example, the template below could be used to simply
|
||||
deploy a single compute instance.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2013-05-23
|
||||
|
||||
@ -66,7 +66,7 @@ it is good practice to include some useful text that describes what users can do
|
||||
with the template. In case you want to provide a longer description that does
|
||||
not fit on a single line, you can provide multi-line text in YAML, for example:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
description: >
|
||||
This is how you can provide a longer description
|
||||
@ -96,7 +96,7 @@ their custom key-pairs, provide their own image, and to select a flavor for the
|
||||
compute instance. This can be achieved by extending the initial template as
|
||||
follows:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2013-05-23
|
||||
|
||||
@ -135,7 +135,7 @@ case the user does not provide the respective parameter during deployment. For
|
||||
example, the following definition for the *instance_type* parameter would select
|
||||
the 'm1.small' flavor unless specified otherwise by the user.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
instance_type:
|
||||
@ -149,7 +149,7 @@ users request information about a stack deployed from a template. This is
|
||||
achieved by the *hidden* attribute and useful, for example when requesting
|
||||
passwords as user input:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
database_password:
|
||||
@ -170,7 +170,7 @@ templates can be restricted by adding a *constraints* section (see also
|
||||
For example, the following would allow only three values to be provided as input
|
||||
for the *instance_type* parameter:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
instance_type:
|
||||
@ -186,7 +186,7 @@ all be fulfilled by user input. For example, the following list of constraints
|
||||
could be used to clearly specify format requirements on a password to be
|
||||
provided by users:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
database_password:
|
||||
@ -218,7 +218,7 @@ above can be accessed should be provided to users. Otherwise, users would have
|
||||
to look it up themselves. The definition for providing the IP address of the
|
||||
compute instance as an output is shown in the following snippet:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
outputs:
|
||||
instance_ip:
|
||||
|
||||
@ -41,7 +41,7 @@ Template structure
|
||||
|
||||
HOT templates are defined in YAML and follow the structure outlined below.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
heat_template_version: 2013-05-23
|
||||
|
||||
@ -160,9 +160,7 @@ For example, Heat currently supports the following values for the
|
||||
The key with value ``2015-10-15`` indicates that the YAML document is a HOT
|
||||
template and it may contain features added and/or removed up until the
|
||||
Liberty release. This version removes the *Fn::Select* function, path based
|
||||
``get_attr``/``get_param`` references should be used instead.
|
||||
|
||||
::
|
||||
``get_attr``/``get_param`` references should be used instead::
|
||||
|
||||
get_attr
|
||||
get_file
|
||||
@ -190,7 +188,7 @@ parameters. Each parameter should be associated to a specific group only once
|
||||
using the parameter name to bind it to a defined parameter in the
|
||||
``parameters`` section.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameter_groups:
|
||||
- label: <human-readable label of parameter group>
|
||||
@ -228,7 +226,7 @@ Each parameter is specified in a separated nested block with the name of the
|
||||
parameters defined in the first line and additional attributes such as type or
|
||||
default value defined as nested elements.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
<param name>:
|
||||
@ -300,7 +298,9 @@ The table below describes all currently supported types with examples:
|
||||
| | false value. | |
|
||||
+----------------------+-------------------------------+------------------+
|
||||
|
||||
The following example shows a minimalistic definition of two parameters::
|
||||
The following example shows a minimalistic definition of two parameters
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
user_name:
|
||||
@ -326,7 +326,9 @@ The ``constraints`` block of a parameter definition defines
|
||||
additional validation constraints that apply to the value of the
|
||||
parameter. The parameter values provided by a user are validated against the
|
||||
constraints at instantiation time. The constraints are defined as a list with
|
||||
the following syntax::
|
||||
the following syntax
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
constraints:
|
||||
- <constraint type>: <constraint definition>
|
||||
@ -351,7 +353,7 @@ constraints. Note that while the descriptions for each constraint are optional,
|
||||
it is good practice to provide concrete descriptions to present useful messages
|
||||
to the user at deployment time.
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
user_name:
|
||||
@ -378,7 +380,9 @@ The ``length`` constraint applies to parameters of type
|
||||
``string``. It defines a lower and upper limit for the length of the
|
||||
string value.
|
||||
|
||||
The syntax of the ``length`` constraint is::
|
||||
The syntax of the ``length`` constraint is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
length: { min: <lower limit>, max: <upper limit> }
|
||||
|
||||
@ -391,7 +395,9 @@ The ``range`` constraint applies to parameters of type ``number``.
|
||||
It defines a lower and upper limit for the numeric value of the
|
||||
parameter.
|
||||
|
||||
The syntax of the ``range`` constraint is::
|
||||
The syntax of the ``range`` constraint is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
range: { min: <lower limit>, max: <upper limit> }
|
||||
|
||||
@ -400,7 +406,9 @@ upper limit. However, at least one of ``min`` or ``max`` must be specified.
|
||||
|
||||
The minimum and maximum boundaries are included in the range. For example, the
|
||||
following range constraint would allow for all numeric values between 0 and
|
||||
10::
|
||||
10
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
range: { min: 0, max: 10 }
|
||||
|
||||
@ -412,18 +420,24 @@ The ``allowed_values`` constraint applies to parameters of type
|
||||
parameter. At deployment time, the user-provided value for the
|
||||
respective parameter must match one of the elements of the list.
|
||||
|
||||
The syntax of the ``allowed_values`` constraint is::
|
||||
The syntax of the ``allowed_values`` constraint is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
allowed_values: [ <value>, <value>, ... ]
|
||||
|
||||
Alternatively, the following YAML list notation can be used::
|
||||
Alternatively, the following YAML list notation can be used
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
allowed_values:
|
||||
- <value>
|
||||
- <value>
|
||||
- ...
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
instance_type:
|
||||
@ -442,11 +456,15 @@ The ``allowed_pattern`` constraint applies to parameters of type
|
||||
``string``. It specifies a regular expression against which a
|
||||
user-provided parameter value must evaluate at deployment.
|
||||
|
||||
The syntax of the ``allowed_pattern`` constraint is::
|
||||
The syntax of the ``allowed_pattern`` constraint is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
allowed_pattern: <regular expression>
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
user_name:
|
||||
@ -465,7 +483,9 @@ generally to check that the specified resource exists in the backend. Custom
|
||||
constraints get implemented by plug-ins and can provide any kind of advanced
|
||||
constraint validation logic.
|
||||
|
||||
The syntax of the ``custom_constraint`` constraint is::
|
||||
The syntax of the ``custom_constraint`` constraint is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
custom_constraint: <name>
|
||||
|
||||
@ -473,7 +493,9 @@ The ``name`` attribute specifies the concrete type of custom constraint. It
|
||||
corresponds to the name under which the respective validation plugin has been
|
||||
registered in the Orchestration engine.
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
key_name
|
||||
@ -509,7 +531,9 @@ deployed from the HOT template (for instance compute instances, networks,
|
||||
storage volumes).
|
||||
|
||||
Each resource is defined as a separate block in the ``resources`` section with
|
||||
the following syntax::
|
||||
the following syntax
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
<resource ID>:
|
||||
@ -562,7 +586,9 @@ All resource types that can be used in CFN templates can also be used in HOT
|
||||
templates, adapted to the YAML structure as outlined above.
|
||||
|
||||
The following example demonstrates the definition of a simple compute resource
|
||||
with some fixed property values::
|
||||
with some fixed property values
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
my_instance:
|
||||
@ -581,7 +607,9 @@ resource and one or more other resources.
|
||||
|
||||
If a resource depends on just one other resource, the ID of the other resource
|
||||
is specified as string of the ``depends_on`` attribute, as shown in the
|
||||
following example::
|
||||
following example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
server1:
|
||||
@ -593,7 +621,9 @@ following example::
|
||||
|
||||
If a resource depends on more than one other resources, the value of the
|
||||
``depends_on`` attribute is specified as a list of resource IDs, as shown in
|
||||
the following example::
|
||||
the following example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
server1:
|
||||
@ -617,7 +647,9 @@ such as IP addresses of deployed instances, or URLs of web applications
|
||||
deployed as part of a stack.
|
||||
|
||||
Each output parameter is defined as a separate block within the outputs section
|
||||
according to the following syntax::
|
||||
according to the following syntax
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
outputs:
|
||||
<parameter name>:
|
||||
@ -639,7 +671,9 @@ parameter value
|
||||
This attribute is required.
|
||||
|
||||
The example below shows how the IP address of a compute resource can
|
||||
be defined as an output parameter::
|
||||
be defined as an output parameter
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
outputs:
|
||||
instance_ip:
|
||||
@ -669,7 +703,9 @@ instance created from the respective resource definition.
|
||||
Path based attribute referencing using keys or indexes requires
|
||||
``heat_template_version`` ``2014-10-16`` or higher.
|
||||
|
||||
The syntax of the ``get_attr`` function is::
|
||||
The syntax of the ``get_attr`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
get_attr:
|
||||
- <resource name>
|
||||
@ -689,7 +725,9 @@ attribute name
|
||||
specified. These additional parameters are used to navigate the data
|
||||
structure to return the desired value.
|
||||
|
||||
The following example demonstrates how to use the :code:`get_attr` function::
|
||||
The following example demonstrates how to use the :code:`get_attr` function
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
my_instance:
|
||||
@ -719,7 +757,9 @@ The ``get_file`` function returns the content of a file into the template.
|
||||
It is generally used as a file inclusion mechanism for files
|
||||
containing scripts or configuration files.
|
||||
|
||||
The syntax of ``get_file`` function is::
|
||||
The syntax of ``get_file`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
get_file: <content key>
|
||||
|
||||
@ -737,7 +777,9 @@ to the absolute URLs required by the Orchestration API.
|
||||
engine).
|
||||
|
||||
The example below demonstrates the ``get_file`` function usage with both
|
||||
relative and absolute URLs::
|
||||
relative and absolute URLs
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
my_instance:
|
||||
@ -765,7 +807,9 @@ get_param
|
||||
The ``get_param`` function references an input parameter of a template. It
|
||||
resolves to the value provided for this input parameter at runtime.
|
||||
|
||||
The syntax of the ``get_param`` function is::
|
||||
The syntax of the ``get_param`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
get_param:
|
||||
- <parameter name>
|
||||
@ -779,7 +823,9 @@ parameter name
|
||||
specified. These additional parameters are used to navigate the data
|
||||
structure to return the desired value.
|
||||
|
||||
The following example demonstrates the use of the ``get_param`` function::
|
||||
The following example demonstrates the use of the ``get_param`` function
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
instance_type:
|
||||
@ -815,14 +861,18 @@ The ``get_resource`` function references another resource within the
|
||||
same template. At runtime, it is resolved to reference the ID of the referenced
|
||||
resource, which is resource type specific. For example, a reference to a
|
||||
floating IP resource returns the respective IP address at runtime. The syntax
|
||||
of the ``get_resource`` function is::
|
||||
of the ``get_resource`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
get_resource: <resource ID>
|
||||
|
||||
The resource ID of the referenced resource is given as single parameter to the
|
||||
``get_resource`` function.
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
instance_port:
|
||||
@ -841,13 +891,17 @@ list_join
|
||||
---------
|
||||
The ``list_join`` function joins a list of strings with the given delimiter.
|
||||
|
||||
The syntax of the ``list_join`` function is::
|
||||
The syntax of the ``list_join`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
list_join:
|
||||
- <delimiter>
|
||||
- <list to join>
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
list_join: [', ', ['one', 'two', 'and three']]
|
||||
|
||||
@ -860,7 +914,9 @@ The ``digest`` function allows for performing digest operations on a given
|
||||
value. This function has been introduced in the Kilo release and is usable with
|
||||
HOT versions later than ``2015-04-30``.
|
||||
|
||||
The syntax of the ``digest`` function is::
|
||||
The syntax of the ``digest`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
digest:
|
||||
- <algorithm>
|
||||
@ -875,7 +931,9 @@ value
|
||||
of the value.
|
||||
|
||||
|
||||
For example::
|
||||
For example
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
# from a user supplied parameter
|
||||
pwd_hash: { digest: ['sha512', { get_param: raw_password }] }
|
||||
@ -891,7 +949,9 @@ over the contents of one or more source lists and replacing the list elements
|
||||
into a template. The result of this function is a new list, where the elements
|
||||
are set to the template, rendered for each list item.
|
||||
|
||||
The syntax of the ``repeat`` function is::
|
||||
The syntax of the ``repeat`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
repeat:
|
||||
template:
|
||||
@ -916,7 +976,9 @@ for_each
|
||||
dictionary can be given as functions such as ``get_attr`` or ``get_param``.
|
||||
|
||||
The following example shows how a security group resource can be defined to
|
||||
include a list of ports given as a parameter::
|
||||
include a list of ports given as a parameter
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
ports:
|
||||
@ -939,7 +1001,9 @@ include a list of ports given as a parameter::
|
||||
port_range_max: %port%
|
||||
|
||||
The following example demonstrates how the use of multiple lists enables the
|
||||
security group to also include parameterized protocols::
|
||||
security group to also include parameterized protocols
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
ports:
|
||||
@ -976,7 +1040,9 @@ provider template.
|
||||
|
||||
A provider template provides a custom definition of a resource, called its
|
||||
facade. For more information about custom templates, see :ref:`composition`.
|
||||
The syntax of the ``resource_facade`` function is::
|
||||
The syntax of the ``resource_facade`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resource_facade: <data type>
|
||||
|
||||
@ -991,7 +1057,9 @@ providing a template string with placeholders and a list of mappings to assign
|
||||
values to those placeholders at runtime. The placeholders are replaced with
|
||||
mapping values wherever a mapping key exactly matches a placeholder.
|
||||
|
||||
The syntax of the ``str_replace`` function is::
|
||||
The syntax of the ``str_replace`` function is
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
str_replace:
|
||||
template: <template string>
|
||||
@ -1007,7 +1075,9 @@ params
|
||||
|
||||
The following example shows a simple use of the ``str_replace`` function in the
|
||||
outputs section of a template to build a URL for logging into a deployed
|
||||
application::
|
||||
application
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
resources:
|
||||
my_instance:
|
||||
@ -1024,7 +1094,9 @@ application::
|
||||
host: { get_attr: [ my_instance, first_address ] }
|
||||
|
||||
The following examples show the use of the ``str_replace``
|
||||
function to build an instance initialization script::
|
||||
function to build an instance initialization script
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
parameters:
|
||||
DBRootPassword:
|
||||
@ -1062,26 +1134,34 @@ providing an arbitrary delimiter, the opposite of ``list_join``.
|
||||
|
||||
The syntax of the ``str_split`` function is as follows:
|
||||
|
||||
::
|
||||
.. code-block:: yaml
|
||||
|
||||
str_split:
|
||||
- ','
|
||||
- string,to,split
|
||||
|
||||
Or::
|
||||
Or:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
str_split: [',', 'string,to,split']
|
||||
|
||||
The result of which is::
|
||||
The result of which is:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
['string', 'to', 'split']
|
||||
|
||||
Optionally, an index may be provided to select a specific entry from the
|
||||
resulting list, similar to ``get_attr``/``get_param``::
|
||||
resulting list, similar to ``get_attr``/``get_param``:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
str_split: [',', 'string,to,split', 0]
|
||||
|
||||
The result of which is::
|
||||
The result of which is:
|
||||
|
||||
.. code-block:: yaml
|
||||
|
||||
'string'
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user