This refactor cleans up downloadAll's validation, download, and save
logic:
1. A temporary directory is created, and removed after all references to
the struct have been dropped via `defer`
2. Any local dependencies in the `charts` directory are kept intact and validated
3. Charts that have been updated are moved to the `charts` directory
This refactor has a number of improvements, including:
- tmpCharts is removed after execution
- no remote charts are downloaded to destPath: they are all pulled into
tmpPath, validated, then moved to destPath
- lots of code cleanup/improvements, like the `if` block checking
whether the `charts` directory was actually not a directory. In some
cases it could be checking a `nil` object, causing a runtime panic.
- the cyclomatic complexity of the code was simplified
- extra (and in some cases, dangerous) calls to `os.RemoveAll` have been
refactored, cleaning the code and preventing certain failure cases.
A test has been provided to demonstrate the tmpCharts removal issue has
been fixed.
Signed-off-by: Matthew Fisher <matt.fisher@microsoft.com>
This subcommand will display manifests under `crds/` if some exist.
This also changes the behaviour of `show all` to include CRDs.
Signed-off-by: Mario Valderrama <woldy401@gmail.com>
The templating engine handles errors originating from the `required` and
`fail` template functions specially, cleaning up the error messages to
be more presentable to users. Go's text/template package unfortunately
does not make this straightforward to implement. Despite
template.ExecError implementing Unwrap, the error value returned from
the template function cannot be retrieved using errors.As. The wrapped
error in ExecError is a pre-formatted error string with the template
function's error string interpolated in with the original error value
erased. Helm works around this limitation by delimiting the
template-supplied message and extracting the message out of the
ExecError string with a regex.
Fix the parsing of `required` and `fail` error messages containing
newlines by setting the regex flag to make `.` match newline characters.
Signed-off-by: Cory Snider <csnider@mirantis.com>
The 'helm.sh/resource-policy' annotation is only supported on top level
objects. The annotation is ignored if given on a nested object within a
list.
Ref #9829
Signed-off-by: Adam Reese <adam@reese.io>
The URL passed to the getter for WithURL needs to be a full URL
rather than a chart reference used at the CLI. For example,
bitnami/wordpress can point to the wordpress chart in the bitnami
repo where the bitnami repo is at https://charts.bitnami.com.
WithURL needs the full URL to the repo and not bitnami/wordpress.
This is important because getters use the full URL information.
In this case the http getter uses the host name for SNI handling.
Before this change WithURL was being set to the chart reference
instead of the URL. This was a silent bug.
This change sets WithURL using a URL after for the repo is
available when a reference is used instead of a full url.
Signed-off-by: Matt Farina <matt.farina@suse.com>
managedFields were a changed that landed in 1.18. This is an array
under metadata with managedFields. The kubernetes client pkgs that
Helm uses automatically add them.
This change added a manager for the managedFields. The flow for
deciding on the name to use is:
1. An explicit name if one is chosen
2. The base name of the first os.Arg (the binary name) if no name
explicitly set.
3. unknown if no name set and name cannot be detected
The name is at the package level as there is no other place to easily
set it for Helm v3. Since the name is for the binary or app it should
be ok to set app wide.
Signed-off-by: Matt Farina <matt.farina@suse.com>
It just makes the code better, I suppose the following is rational:
- use standard libaray common constants instead of hardcode though it's
really common
- close the response body even if the http status code is not 200 OK.
The doc says *It is the caller's responsibility to close Body*.
- move the `bytes.Buffer` return value declaration where it gets used.
Signed-off-by: longkai <im.longkai@gmail.com>