From c9c5e158c93e6cd91c18ec09ca911acf170be8c3 Mon Sep 17 00:00:00 2001 From: Steven Hardy <shardy@redhat.com> Date: Tue, 5 Apr 2016 13:41:22 +0100 Subject: [PATCH] Add resource_group index lookup example This has been a FAQ in #heat recently, so add an example showing how you can do a list/map lookup via %index% by using a nested stack. Change-Id: I0484e0b69baa6cd0b57fe5d12a9ec87c5a56bc6f --- hot/resource_group/random.yaml | 17 ++++++++++++ .../resource_group_index_lookup.yaml | 26 +++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 hot/resource_group/random.yaml create mode 100644 hot/resource_group/resource_group_index_lookup.yaml diff --git a/hot/resource_group/random.yaml b/hot/resource_group/random.yaml new file mode 100644 index 00000000..6bbc40b2 --- /dev/null +++ b/hot/resource_group/random.yaml @@ -0,0 +1,17 @@ +heat_template_version: 2015-10-15 + +parameters: + lengths: + type: comma_delimited_list + index: + type: number + +resources: + random: + type: OS::Heat::RandomString + properties: + length: {get_param: [lengths, {get_param: index}]} + +outputs: + value: + value: {get_attr: [random, value]} diff --git a/hot/resource_group/resource_group_index_lookup.yaml b/hot/resource_group/resource_group_index_lookup.yaml new file mode 100644 index 00000000..ba380eef --- /dev/null +++ b/hot/resource_group/resource_group_index_lookup.yaml @@ -0,0 +1,26 @@ +heat_template_version: 2015-04-30 + +description: Shows how to look up list/map values by group index + +parameters: + random_lengths: + type: comma_delimited_list + default: [4, 5, 6] + +resources: + random_group: + type: OS::Heat::ResourceGroup + properties: + count: 3 + resource_def: + type: random.yaml + properties: + # Note you have to pass the index and the entire list into the + # nested template, resolving via %index% doesn't work directly + # in the get_param here + index: "%index%" + lengths: {get_param: random_lengths} + +outputs: + all_values: + value: {get_attr: [random_group, value]}