/
native.go
134 lines (114 loc) · 3.36 KB
/
native.go
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// Copyright 2018 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package policybackend
import (
"fmt"
"io"
"time"
multierror "github.com/hashicorp/go-multierror"
"istio.io/istio/pkg/test/fakes/policy"
"istio.io/istio/pkg/test/framework/api/component"
"istio.io/istio/pkg/test/framework/api/components"
"istio.io/istio/pkg/test/framework/api/context"
"istio.io/istio/pkg/test/framework/api/descriptors"
"istio.io/istio/pkg/test/framework/api/lifecycle"
"istio.io/istio/pkg/test/framework/runtime/api"
"istio.io/istio/pkg/test/framework/runtime/components/environment/native"
"istio.io/istio/pkg/test/scopes"
"istio.io/istio/pkg/test/util/retry"
)
var (
retryDelay = retry.Delay(time.Second)
_ components.PolicyBackend = &nativeComponent{}
_ api.Component = &nativeComponent{}
_ io.Closer = &nativeComponent{}
_ api.Resettable = &nativeComponent{}
)
// NewNativeComponent factory function for the component
func NewNativeComponent() (api.Component, error) {
return &nativeComponent{}, nil
}
type nativeComponent struct {
*client
namespace string
scope lifecycle.Scope
backend *policy.Backend
}
func (c *nativeComponent) Descriptor() component.Descriptor {
return descriptors.PolicyBackend
}
func (c *nativeComponent) Scope() lifecycle.Scope {
return c.scope
}
func (c *nativeComponent) Start(ctx context.Instance, scope lifecycle.Scope) (err error) {
c.scope = scope
env, err := native.GetEnvironment(ctx)
if err != nil {
return err
}
c.namespace = env.Namespace
c.client = &client{
env: env,
}
scopes.CI.Infof("=== BEGIN: Start local PolicyBackend ===")
defer func() {
if err != nil {
scopes.CI.Infof("=== FAILED: Start local PolicyBackend ===")
_ = c.Close()
} else {
scopes.CI.Infof("=== SUCCEEDED: Start local PolicyBackend ===")
}
}()
c.backend = policy.NewPolicyBackend(0) // auto-allocate port
if err = c.backend.Start(); err != nil {
return
}
var ctl interface{}
ctl, err = retry.Do(func() (interface{}, bool, error) {
c, err := policy.NewController(fmt.Sprintf(":%d", c.backend.Port()))
if err != nil {
scopes.Framework.Debugf("error while connecting to the PolicyBackend controller: %v", err)
return nil, false, err
}
return c, true, nil
}, retryDelay)
if err != nil {
return err
}
c.client.controller = ctl.(*policy.Controller)
return nil
}
func (c *nativeComponent) CreateConfigSnippet(name string) string {
return fmt.Sprintf(
`apiVersion: "config.istio.io/v1alpha2"
kind: bypass
metadata:
name: %s
namespace: %s
spec:
backend_address: 127.0.0.1:%d
`, name, c.namespace, c.backend.Port())
}
func (c *nativeComponent) Reset() error {
if c.client != nil {
return c.client.Reset()
}
return nil
}
func (c *nativeComponent) Close() (err error) {
if c.backend != nil {
err = multierror.Append(err, c.backend.Close()).ErrorOrNil()
}
return
}