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Add support for helm template (#368)

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* Add support for helm template
This commit adds basic support for helm template. The functionality
allows one to either render a chart's templates to a specific directory,
or capture the rendered templates as a string of concatenated yaml
documents.
* Add changelog fragment
* Address PR feedback
* Set changed to true
This commit is contained in:
Mike Graves
2021-02-17 08:01:49 -05:00
committed by GitHub
parent dc80c418e9
commit a4ac078625
3 changed files with 546 additions and 280 deletions
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604
molecule/default/roles/helm/tasks/tests_chart.yml
View File

@@ -1,321 +1,365 @@
---
- name: Check helm_info empty
helm_info:
binary_path: "{{ helm_binary }}"
name: test
namespace: "{{ helm_namespace }}"
register: empty_info
- name: Chart tests
block:
- name: Create temp directory
tempfile:
state: directory
register: tmpdir
- name: "Assert that no charts are installed with helm_info"
assert:
that:
- empty_info.status is undefined
- name: Set temp directory fact
set_fact:
temp_dir: "{{ tmpdir.path }}"
- name: "Install fail {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
ignore_errors: yes
register: install_fail
- name: Check helm_info empty
helm_info:
binary_path: "{{ helm_binary }}"
name: test
namespace: "{{ helm_namespace }}"
register: empty_info
- name: "Assert that Install fail {{ chart_test }} from {{ source }}"
assert:
that:
- install_fail is failed
- "'Error: create: failed to create: namespaces \"' + helm_namespace + '\" not found' in install_fail.stderr"
- name: "Assert that no charts are installed with helm_info"
assert:
that:
- empty_info.status is undefined
- name: "Install {{ chart_test }} from {{ source }} in check mode"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
create_namespace: true
register: install_check_mode
check_mode: true
- name: "Install fail {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
ignore_errors: yes
register: install_fail
- name: "Assert that {{ chart_test }} chart is installed from {{ source }} in check mode"
assert:
that:
- install_check_mode is changed
- install_check_mode.status is defined
- install_check_mode.status.values is defined
- name: "Assert that Install fail {{ chart_test }} from {{ source }}"
assert:
that:
- install_fail is failed
- "'Error: create: failed to create: namespaces \"' + helm_namespace + '\" not found' in install_fail.stderr"
- name: "Install {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
create_namespace: true
register: install
- name: "Install {{ chart_test }} from {{ source }} in check mode"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
create_namespace: true
register: install_check_mode
check_mode: true
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status.status | lower == 'deployed'
- name: "Assert that {{ chart_test }} chart is installed from {{ source }} in check mode"
assert:
that:
- install_check_mode is changed
- install_check_mode.status is defined
- install_check_mode.status.values is defined
- name: Check helm_info content
helm_info:
binary_path: "{{ helm_binary }}"
name: test
namespace: "{{ helm_namespace }}"
register: content_info
- name: "Install {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
create_namespace: true
register: install
- name: "Assert that {{ chart_test }} is installed from {{ source }} with helm_info"
assert:
that:
- content_info.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- content_info.status.status | lower == 'deployed'
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status.status | lower == 'deployed'
- name: Check idempotency
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Check helm_info content
helm_info:
binary_path: "{{ helm_binary }}"
name: test
namespace: "{{ helm_namespace }}"
register: content_info
- name: Assert idempotency
assert:
that:
- install is not changed
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status.status | lower == 'deployed'
- name: "Assert that {{ chart_test }} is installed from {{ source }} with helm_info"
assert:
that:
- content_info.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- content_info.status.status | lower == 'deployed'
- name: "Add vars to {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values: "{{ chart_test_values }}"
register: install
- name: Check idempotency
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart is upgraded with new var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: Assert idempotency
assert:
that:
- install is not changed
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status.status | lower == 'deployed'
- name: Check idempotency after adding vars
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values: "{{ chart_test_values }}"
register: install
- name: "Add vars to {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values: "{{ chart_test_values }}"
register: install
- name: Assert idempotency after add vars
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: "Assert that {{ chart_test }} chart is upgraded with new var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: "Remove Vars to {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Check idempotency after adding vars
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values: "{{ chart_test_values }}"
register: install
- name: "Assert that {{ chart_test }} chart is upgraded with new var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status['values'] == {}
- name: Assert idempotency after add vars
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: Check idempotency after removing vars
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: "Remove Vars to {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Assert idempotency after removing vars
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status['values'] == {}
- name: "Assert that {{ chart_test }} chart is upgraded with new var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status['values'] == {}
- name: "Upgrade {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source_upgrade | default(chart_source) }}"
chart_version: "{{ chart_source_version_upgrade | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Check idempotency after removing vars
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart is upgraded with new version from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version_upgrade }}"
- name: Assert idempotency after removing vars
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- install.status['values'] == {}
- name: Check idempotency after upgrade
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source_upgrade | default(chart_source) }}"
chart_version: "{{ chart_source_version_upgrade | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: "Upgrade {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source_upgrade | default(chart_source) }}"
chart_version: "{{ chart_source_version_upgrade | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Assert idempotency after upgrade
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version_upgrade }}"
- name: "Assert that {{ chart_test }} chart is upgraded with new version from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version_upgrade }}"
- name: "Remove {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test
namespace: "{{ helm_namespace }}"
register: install
- name: Check idempotency after upgrade
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source_upgrade | default(chart_source) }}"
chart_version: "{{ chart_source_version_upgrade | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart is removed from {{ source }}"
assert:
that:
- install is changed
- name: Assert idempotency after upgrade
assert:
that:
- install is not changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version_upgrade }}"
- name: Check idempotency after remove
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test
namespace: "{{ helm_namespace }}"
register: install
- name: "Remove {{ chart_test }} from {{ source }}"
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test
namespace: "{{ helm_namespace }}"
register: install
- name: Assert idempotency
assert:
that:
- install is not changed
- name: "Assert that {{ chart_test }} chart is removed from {{ source }}"
assert:
that:
- install is changed
# Test --replace
- name: Install chart for replace option
helm:
binary_path: "{{ helm_binary }}"
name: test-0001
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Check idempotency after remove
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- name: Assert idempotency
assert:
that:
- install is not changed
- name: Remove {{ chart_test }} with --purge
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test-0001
purge: False
namespace: "{{ helm_namespace }}"
register: install
# Test --replace
- name: Install chart for replace option
helm:
binary_path: "{{ helm_binary }}"
name: test-0001
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
register: install
- name: Check if chart is removed
assert:
that:
- install is changed
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- name: Install chart again with same name test-0001
helm:
binary_path: "{{ helm_binary }}"
name: test-0001
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
replace: True
register: install
- name: Remove {{ chart_test }} with --purge
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test-0001
purge: False
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- name: Check if chart is removed
assert:
that:
- install is changed
- name: Remove {{ chart_test }} (cleanup)
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test-0001
namespace: "{{ helm_namespace }}"
register: install
- name: Install chart again with same name test-0001
helm:
binary_path: "{{ helm_binary }}"
name: test-0001
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
replace: True
register: install
- name: Check if chart is removed
assert:
that:
- install is changed
- name: "Assert that {{ chart_test }} chart is installed from {{ source }}"
assert:
that:
- install is changed
- name: "Install {{ chart_test }} from {{ source }} with values_files"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values_files:
- "{{ role_path }}/files/values.yaml"
register: install
- name: Remove {{ chart_test }} (cleanup)
helm:
binary_path: "{{ helm_binary }}"
state: absent
name: test-0001
namespace: "{{ helm_namespace }}"
register: install
- name: "Assert that {{ chart_test }} chart has var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: Check if chart is removed
assert:
that:
- install is changed
- name: "Install {{ chart_test }} from {{ source }} with values_files (again)"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values_files:
- "{{ role_path }}/files/values.yaml"
register: install
- name: "Install {{ chart_test }} from {{ source }} with values_files"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values_files:
- "{{ role_path }}/files/values.yaml"
register: install
- name: "Assert the result is consistent"
assert:
that:
- not (install is changed)
- name: "Assert that {{ chart_test }} chart has var from {{ source }}"
assert:
that:
- install is changed
- install.status.status | lower == 'deployed'
- install.status.chart == "{{ chart_test }}-{{ chart_test_version }}"
- "install.status['values'].revisionHistoryLimit == 0"
- name: Remove helm namespace
k8s:
api_version: v1
kind: Namespace
name: "{{ helm_namespace }}"
state: absent
wait: true
wait_timeout: 180
- name: "Install {{ chart_test }} from {{ source }} with values_files (again)"
helm:
binary_path: "{{ helm_binary }}"
name: test
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
namespace: "{{ helm_namespace }}"
values_files:
- "{{ role_path }}/files/values.yaml"
register: install
- name: "Assert the result is consistent"
assert:
that:
- not (install is changed)
- name: Render templates
helm_template:
binary_path: "{{ helm_binary }}"
chart_ref: "{{ chart_source }}"
chart_version: "{{ chart_source_version | default(omit) }}"
output_dir: "{{ temp_dir }}"
values_files:
- "{{ role_path }}/files/values.yaml"
register: result
- assert:
that:
- result is changed
- result is not failed
- result.rc == 0
- result.command is match("{{ helm_binary }} template {{ chart_source }}")
- name: Check templates created
stat:
path: "{{ temp_dir }}/{{ chart_test }}/templates"
register: result
- assert:
that:
result.stat.exists
always:
- name: Clean up temp dir
file:
state: absent
path: "{{ temp_dir }}"
ignore_errors: true
- name: Remove helm namespace
k8s:
api_version: v1
kind: Namespace
name: "{{ helm_namespace }}"
state: absent
wait: true
wait_timeout: 180