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heat_template_version: 2016-10-14
description: 'Upgrade steps for all roles'
parameters:
servers:
type: json
role_data:
type: json
description: Mapping of Role name e.g Controller to the per-role data
UpdateIdentifier:
type: string
description: >
Setting to a previously unused value during stack-update will trigger
the Upgrade resources to re-run on all roles.
UpgradeInitCommand:
type: string
description: |
Command or script snippet to run on all overcloud nodes to
initialize the upgrade process. E.g. a repository switch.
default: ''
resources:
# For the UpgradeInit also rename /etc/resolv.conf.save for +bug/1567004
UpgradeInitConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
config:
list_join:
- ''
- - "#!/bin/bash\n\n"
- "if [[ -f /etc/resolv.conf.save ]] ; then rm /etc/resolv.conf.save; fi\n\n"
- get_param: UpgradeInitCommand
{% for role in roles %}
{{role.name}}Upgrade_Init:
type: OS::Heat::StructuredDeploymentGroup
properties:
name: {{role.name}}Upgrade_Init
servers: {get_param: [servers, {{role.name}}]}
config: {get_resource: UpgradeInitConfig}
{% endfor %}
# Upgrade Steps for all roles
# FIXME(shardy): would be nice to make the number of steps configurable
{% for step in range(1, 8) %}
{% for role in roles %}
# Step {{step}} resources
{{role.name}}UpgradeConfig_Step{{step}}:
type: OS::TripleO::UpgradeConfig
# The UpgradeConfig resources could actually be created without
# serialization, but the event output is easier to follow if we
# do, and there should be minimal performance hit (creating the
# config is cheap compared to the time to apply the deployment).
depends_on:
{% if step == 1 %}
- {{role.name}}Upgrade_Init
{% else %}
{% for dep in roles %}
- {{dep.name}}Upgrade_Step{{step -1}}
{% endfor %}
{% endif %}
properties:
UpgradeStepConfig: {get_param: [role_data, {{role.name}}, upgrade_tasks]}
step: {{step}}
{{role.name}}Upgrade_Step{{step}}:
type: OS::Heat::StructuredDeploymentGroup
{% if step > 1 %}
depends_on:
{% for dep in roles %}
- {{dep.name}}Upgrade_Step{{step -1}}
{% endfor %}
{% endif %}
properties:
name: {{role.name}}Upgrade_Step{{step}}
servers: {get_param: [servers, {{role.name}}]}
config: {get_resource: {{role.name}}UpgradeConfig_Step{{step}}}
input_values:
role: {{role.name}}
update_identifier: {get_param: UpdateIdentifier}
{% endfor %}
{% endfor %}
outputs:
# Output the config for each role, just use Step1 as the config should be
# the same for all steps (only the tag provided differs)
upgrade_configs:
description: The per-role upgrade configuration used
value:
{% for role in roles %}
{{role.name.lower()}}: {get_attr: [{{role.name}}UpgradeConfig_Step1, upgrade_config]}
{% endfor %}
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