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Test chart upgrades (#103)

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* Test chart upgrades against previous version

Upgrade testing will be run if the --upgrade flag is set (default true)
and chart version increment does not indicate a breaking change
according to the SemVer 2.0 spec.

Any releases associated with previous chart versions which fail to roll
out or for which an initial `helm test` fails will be ignored.

Signed-off-by: Jacob LeGrone <git@jacob.work>

* fix(dep): add version constraint for github.com/otiai10/copy

Signed-off-by: Jacob LeGrone <git@jacob.work>

* refactor(git): checkout whole repository with worktree

Signed-off-by: Jacob LeGrone <git@jacob.work>

* Rename test* to do*

Signed-off-by: Jacob LeGrone <git@jacob.work>

* Return bool, error from BreakingChangeAllowed

Signed-off-by: Jacob LeGrone <git@jacob.work>

* Use errors.Wrapf

Co-Authored-By: jlegrone <jlegrone@users.noreply.github.com>
Signed-off-by: Jacob LeGrone <git@jacob.work>

* Explicitly disable upgrade when not install

Signed-off-by: Jacob LeGrone <git@jacob.work>
This commit is contained in:
Jacob LeGrone
2019-03-18 11:11:57 -04:00
committed by Scott Rigby
parent 9dfa4f21be
commit de59b1cdfb
20 changed files with 435 additions and 71 deletions
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2
doc/ct.md
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@@ -26,4 +26,4 @@ in given chart directories.
* [ct list-changed](ct_list-changed.md) - List changed charts
* [ct version](ct_version.md) - Print version information
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019

16
doc/ct_install.md
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@@ -4,13 +4,17 @@ Install and test a chart
### Synopsis
Run 'helm install' and ' helm test' on
Run 'helm install', 'helm test', and optionally 'helm upgrade' on
* changed charts (default)
* specific charts (--charts)
* all charts (--all)
in given chart directories.
in given chart directories. If upgrade (--upgrade) is true, then this
command will validate that 'helm test' passes for the following upgrade paths:
* previous chart revision => current chart version (if non-breaking SemVer change)
* current chart version => current chart version
Charts may have multiple custom values files matching the glob pattern
'*-values.yaml' in a directory named 'ci' in the root of the chart's
@@ -51,15 +55,17 @@ ct install [flags]
multiple times or separate values with commas
-h, --help help for install
--namespace string Namespace to install the release(s) into. If not specified, each release will be
installed in its own randomly generated namespace.
installed in its own randomly generated namespace
--release-label string The label to be used as a selector when inspecting resources created by charts.
This is only used if namespace is specified. (default "app.kubernetes.io/instance")
This is only used if namespace is specified (default "app.kubernetes.io/instance")
--remote string The name of the Git remote used to identify changed charts (default "origin")
--target-branch string The name of the target branch used to identify changed charts (default "master")
--upgrade Whether to test an in-place upgrade of each chart from its previous revision if the
current version should not introduce a breaking change according to the SemVer spec
```
### SEE ALSO
* [ct](ct.md) - The Helm chart testing tool
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019

8
doc/ct_lint-and-install.md
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@@ -46,11 +46,13 @@ ct lint-and-install [flags]
is searched in the current directory, '$HOME/.ct', and '/etc/ct', in
that order
--namespace string Namespace to install the release(s) into. If not specified, each release will be
installed in its own randomly generated namespace.
installed in its own randomly generated namespace
--release-label string The label to be used as a selector when inspecting resources created by charts.
This is only used if namespace is specified. (default "app.kubernetes.io/instance")
This is only used if namespace is specified (default "app.kubernetes.io/instance")
--remote string The name of the Git remote used to identify changed charts (default "origin")
--target-branch string The name of the target branch used to identify changed charts (default "master")
--upgrade Whether to test an in-place upgrade of each chart from its previous revision if the
current version should not introduce a breaking change according to the SemVer spec
--validate-chart-schema Enable schema validation of 'Chart.yaml' using Yamale (default: true) (default true)
--validate-maintainers Enable validation of maintainer account names in chart.yml (default: true).
Works for GitHub, GitLab, and Bitbucket (default true)
@@ -61,4 +63,4 @@ ct lint-and-install [flags]
* [ct](ct.md) - The Helm chart testing tool
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019

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doc/ct_lint.md
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@@ -65,4 +65,4 @@ ct lint [flags]
* [ct](ct.md) - The Helm chart testing tool
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019

2
doc/ct_list-changed.md
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@@ -28,4 +28,4 @@ ct list-changed [flags]
* [ct](ct.md) - The Helm chart testing tool
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019

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doc/ct_version.md
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@@ -20,4 +20,4 @@ ct version [flags]
* [ct](ct.md) - The Helm chart testing tool
###### Auto generated by spf13/cobra on 31-Jan-2019
###### Auto generated by spf13/cobra on 26-Feb-2019