diff --git a/changelogs/fragments/800-helm-add-reset_then_reuse_values-support.yml b/changelogs/fragments/800-helm-add-reset_then_reuse_values-support.yml
new file mode 100644
index 0000000000..0db6456d2d
--- /dev/null
+++ b/changelogs/fragments/800-helm-add-reset_then_reuse_values-support.yml
@@ -0,0 +1,3 @@
+---
+minor_changes:
+ - helm - add reset_then_reuse_values support to helm module (https://github.com/ansible-collections/kubernetes.core/issues/803).
diff --git a/docs/kubernetes.core.helm_module.rst b/docs/kubernetes.core.helm_module.rst
index 93da13595c..3ddb5b7b64 100644
--- a/docs/kubernetes.core.helm_module.rst
+++ b/docs/kubernetes.core.helm_module.rst
@@ -476,6 +476,27 @@ Parameters
+
+
+ reset_then_reuse_values
+
+
+ boolean
+
+ added in 5.1.0
+ |
+
+
+ |
+
+ When upgrading package, reset the values to the ones built into the chart, apply the last release's values and merge in any overrides from parameters release_values, values_files or set_values.
+ If reset_values or reuse_values is set to True , this is ignored.
+ |
+
diff --git a/plugins/modules/helm.py b/plugins/modules/helm.py
index 079285d7bc..b1f4a8e8f2 100644
--- a/plugins/modules/helm.py
+++ b/plugins/modules/helm.py
@@ -145,6 +145,16 @@
required: false
default: True
version_added: 2.5.0
+ reset_then_reuse_values:
+ description:
+ - When upgrading package, reset the values to the ones built into the chart, apply the last release's values and merge in any overrides from
+ parameters O(release_values), O(values_files) or O(set_values).
+ - If O(reset_values) or O(reuse_values) is set to V(True), this is ignored.
+ - This feature requires helm diff >= 3.9.12.
+ type: bool
+ required: false
+ default: False
+ version_added: 5.1.0
#Helm options
disable_hook:
@@ -509,6 +519,7 @@ def deploy(
set_value_args=None,
reuse_values=None,
reset_values=True,
+ reset_then_reuse_values=False,
):
"""
Install/upgrade/rollback release chart
@@ -526,6 +537,15 @@ def deploy(
if reuse_values is not None:
deploy_command += " --reuse-values=" + str(reuse_values)
+ if reset_then_reuse_values:
+ helm_version = module.get_helm_version()
+ if LooseVersion(helm_version) < LooseVersion("3.14.0"):
+ module.warn(
+ "helm support option --reset-then-reuse-values starting release >= 3.14.0"
+ )
+ else:
+ deploy_command += " --reset-then-reuse-values"
+
if wait:
deploy_command += " --wait"
if wait_timeout is not None:
@@ -642,6 +662,7 @@ def helmdiff_check(
set_value_args=None,
reuse_values=None,
reset_values=True,
+ reset_then_reuse_values=False,
):
"""
Use helm diff to determine if a release would change by upgrading a chart.
@@ -676,6 +697,20 @@ def helmdiff_check(
if reuse_values:
cmd += " --reuse-values"
+ if reset_then_reuse_values:
+ helm_diff_version = get_plugin_version("diff")
+ helm_version = module.get_helm_version()
+ if LooseVersion(helm_diff_version) < LooseVersion("3.9.12"):
+ module.warn(
+ "helm diff support option --reset-then-reuse-values starting release >= 3.9.12"
+ )
+ elif LooseVersion(helm_version) < LooseVersion("3.14.0"):
+ module.warn(
+ "helm support option --reset-then-reuse-values starting release >= 3.14.0"
+ )
+ else:
+ cmd += " --reset-then-reuse-values"
+
rc, out, err = module.run_helm_command(cmd)
return (len(out.strip()) > 0, out.strip())
@@ -735,6 +770,7 @@ def argument_spec():
set_values=dict(type="list", elements="dict"),
reuse_values=dict(type="bool"),
reset_values=dict(type="bool", default=True),
+ reset_then_reuse_values=dict(type="bool", default=False),
)
)
return arg_spec
@@ -787,6 +823,7 @@ def main():
set_values = module.params.get("set_values")
reuse_values = module.params.get("reuse_values")
reset_values = module.params.get("reset_values")
+ reset_then_reuse_values = module.params.get("reset_then_reuse_values")
if update_repo_cache:
run_repo_update(module)
@@ -883,6 +920,7 @@ def main():
set_value_args=set_value_args,
reuse_values=reuse_values,
reset_values=reset_values,
+ reset_then_reuse_values=reset_then_reuse_values,
)
changed = True
@@ -908,6 +946,7 @@ def main():
set_value_args,
reuse_values=reuse_values,
reset_values=reset_values,
+ reset_then_reuse_values=reset_then_reuse_values,
)
if would_change and module._diff:
opt_result["diff"] = {"prepared": prepared}
@@ -943,6 +982,7 @@ def main():
set_value_args=set_value_args,
reuse_values=reuse_values,
reset_values=reset_values,
+ reset_then_reuse_values=reset_then_reuse_values,
)
changed = True
diff --git a/tests/integration/targets/helm/tasks/run_test.yml b/tests/integration/targets/helm/tasks/run_test.yml
index 76d55b22ca..522122306d 100644
--- a/tests/integration/targets/helm/tasks/run_test.yml
+++ b/tests/integration/targets/helm/tasks/run_test.yml
@@ -28,6 +28,9 @@
- name: test helm upgrade with reuse_values
include_tasks: test_helm_reuse_values.yml
+- name: test helm upgrade with reset_then_reuse_values
+ include_tasks: test_helm_reset_then_reuse_values.yml
+
- name: test helm dependency update
include_tasks: test_up_dep.yml
diff --git a/tests/integration/targets/helm/tasks/test_helm_reset_then_reuse_values.yml b/tests/integration/targets/helm/tasks/test_helm_reset_then_reuse_values.yml
new file mode 100644
index 0000000000..982ad1030c
--- /dev/null
+++ b/tests/integration/targets/helm/tasks/test_helm_reset_then_reuse_values.yml
@@ -0,0 +1,75 @@
+---
+- name: Test helm reset_then_reuse_values
+ vars:
+ helm_namespace: "{{ test_namespace[9] }}"
+ chart_release_values:
+ replica:
+ replicaCount: 3
+ master:
+ count: 1
+ kind: Deployment
+ chart_reset_then_reuse_values:
+ replica:
+ replicaCount: 1
+ master:
+ count: 3
+ block:
+ - name: Initial chart installation
+ helm:
+ binary_path: "{{ helm_binary }}"
+ chart_ref: oci://registry-1.docker.io/bitnamicharts/redis
+ release_name: test-redis
+ release_namespace: "{{ helm_namespace }}"
+ create_namespace: true
+ release_values: "{{ chart_release_values }}"
+ register: install
+
+ - name: Get value set as string
+ helm_info:
+ binary_path: "{{ helm_binary }}"
+ release_name: test-redis
+ release_namespace: "{{ helm_namespace }}"
+ register: release_value
+
+ - name: Validate that chart values are as expected
+ assert:
+ that:
+ - install is changed
+ - '"--reset-then-reuse-values" not in install.command'
+ - release_value["status"]["values"] == chart_release_values
+
+ - name: Upgrade chart using reset_then_reuse_values=true
+ helm:
+ binary_path: "{{ helm_binary }}"
+ chart_ref: oci://registry-1.docker.io/bitnamicharts/redis
+ release_name: test-redis
+ release_namespace: "{{ helm_namespace }}"
+ reuse_values: false
+ reset_values: false
+ reset_then_reuse_values: true
+ release_values: "{{ chart_reset_then_reuse_values }}"
+ register: upgrade
+
+ - name: Get value set as string
+ helm_info:
+ binary_path: "{{ helm_binary }}"
+ release_name: test-redis
+ release_namespace: "{{ helm_namespace }}"
+ register: release_value
+
+ - name: Validate that chart values are as expected
+ assert:
+ that:
+ - upgrade is changed
+ - '"--reset-then-reuse-values" in upgrade.command'
+ - '"--reuse-values" not in upgrade.command'
+ - '"--reset-values" not in upgrade.command'
+ - release_value["status"]["values"] == chart_release_values | combine(chart_reset_then_reuse_values, recursive=true)
+
+ always:
+ - name: Remove helm namespace
+ k8s:
+ api_version: v1
+ kind: Namespace
+ name: "{{ helm_namespace }}"
+ state: absent
diff --git a/tests/integration/targets/helm_diff/tasks/main.yml b/tests/integration/targets/helm_diff/tasks/main.yml
index c37d947f5f..8c30142eca 100644
--- a/tests/integration/targets/helm_diff/tasks/main.yml
+++ b/tests/integration/targets/helm_diff/tasks/main.yml
@@ -302,3 +302,5 @@
ignore_errors: yes
- include_tasks: reuse_values.yml
+
+- include_tasks: reset_then_reuse_values.yml
diff --git a/tests/integration/targets/helm_diff/tasks/reset_then_reuse_values.yml b/tests/integration/targets/helm_diff/tasks/reset_then_reuse_values.yml
new file mode 100644
index 0000000000..44a68d7bb3
--- /dev/null
+++ b/tests/integration/targets/helm_diff/tasks/reset_then_reuse_values.yml
@@ -0,0 +1,94 @@
+---
+- name: Create temporary directory for helm chart
+ tempfile:
+ suffix: .helm
+ state: directory
+ register: helm_dir
+
+- name: Test helm diff functionality
+ vars:
+ test_chart_path: "{{ helm_dir.path }}/test-chart-reuse-values"
+ test_release_name: "myrelease"
+
+ block:
+ - name: Install helm diff
+ kubernetes.core.helm_plugin:
+ binary_path: "{{ helm_binary }}"
+ state: present
+ plugin_path: https://github.com/databus23/helm-diff
+ plugin_version: 3.9.4
+
+ - name: Copy test chart
+ ansible.builtin.copy:
+ src: "test-chart-reuse-values"
+ dest: "{{ helm_dir.path }}"
+
+ - name: Create helm release
+ kubernetes.core.helm:
+ state: present
+ binary_path: "{{ helm_binary }}"
+ chart_ref: "{{ test_chart_path }}"
+ release_name: "{{ test_release_name }}"
+ release_namespace: "{{ helm_namespace }}"
+ create_namespace: true
+ release_values:
+ ansible_version: devel
+ phase: ci
+ wait: true
+
+ - name: Upgrade helm release (reset_values=false and reuse_values=false and reset_then_reuse_values=true)
+ kubernetes.core.helm:
+ binary_path: "{{ helm_binary }}"
+ chart_ref: "{{ test_chart_path }}"
+ reset_values: false
+ reuse_values: false
+ reset_then_reuse_values: true
+ release_name: "{{ test_release_name }}"
+ release_namespace: "{{ helm_namespace }}"
+ values:
+ ansible_version: devel
+ register: helm_upgrade
+
+ - name: Ensure task did not reported change
+ assert:
+ that:
+ - helm_upgrade is not changed
+
+ - name: Upgrade helm release (reset_then_reuse_values=true with default value for reset_values and reuse_values=false)
+ kubernetes.core.helm:
+ binary_path: "{{ helm_binary }}"
+ chart_ref: "{{ test_chart_path }}"
+ reuse_values: false
+ reset_then_reuse_values: true
+ release_name: "{{ test_release_name }}"
+ release_namespace: "{{ helm_namespace }}"
+ values:
+ ansible_version: devel
+ register: helm_upgrade
+
+ - name: Ensure task reported change
+ assert:
+ that:
+ - helm_upgrade is changed
+
+ always:
+ - name: Remove temporary directory
+ file:
+ path: "{{ helm_dir.path }}"
+ state: absent
+ ignore_errors: true
+
+ - name: Uninstall helm diff
+ kubernetes.core.helm_plugin:
+ binary_path: "{{ helm_binary }}"
+ state: absent
+ plugin_name: diff
+ ignore_errors: true
+
+ - name: Remove helm namespace
+ kubernetes.core.k8s:
+ api_version: v1
+ kind: Namespace
+ name: "{{ helm_namespace }}"
+ state: absent
+ ignore_errors: true
|