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Split out the Package type into a first class Kubernetes resource (#295)

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Split out the Package type into a first class Kubernetes resource. Before this change, packages were implicitly tied to functions.

This wasn't ideal because:
 * Functions will need to share packages
 * A package storage system may be more generally useful than just
   functions (for example, for storing static assets)

This change does the following:
* Updates the fission and tpr types to add a new Package and PackageSpec.  It also creates a PackageRef type, and a FunctionPackageRef type. The PackageRef simply references a package, but the FunctionPackageRef includes the name of a function within the package. This allows us to share packages between different functions.
* Updates fetcher and other components for first-class packages
* Allows customization of fetcher image pull policy in the helm charts
This commit is contained in:
Soam Vasani
2017-08-25 13:40:45 -07:00
committed by GitHub
parent b19be5c0a3
commit 6f017cf400
20 changed files with 639 additions and 121 deletions
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controller/client/function.go
-9
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@@ -24,20 +24,11 @@ import (
"k8s.io/client-go/1.5/pkg/api"
"github.com/fission/fission"
"github.com/fission/fission/tpr"
)
func (c *Client) FunctionCreate(f *tpr.Function) (*api.ObjectMeta, error) {
// ensure size limits
if len(f.Spec.Source.Literal) > 256*1024 {
return nil, fission.MakeError(fission.ErrorSizeLimitExceeded, "Source package literal larger than 256k")
}
if len(f.Spec.Deployment.Literal) > 256*1024 {
return nil, fission.MakeError(fission.ErrorSizeLimitExceeded, "Deployment package literal larger than 256k")
}
reqbody, err := json.Marshal(f)
if err != nil {
return nil, err