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experimentcacher.go
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/
experimentcacher.go
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// Copyright 2024 The Bucketeer 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 cacher
import (
"context"
"go.uber.org/zap"
"google.golang.org/protobuf/types/known/wrapperspb"
"github.com/bucketeer-io/bucketeer/pkg/batch/jobs"
"github.com/bucketeer-io/bucketeer/pkg/cache"
cachev3 "github.com/bucketeer-io/bucketeer/pkg/cache/v3"
envclient "github.com/bucketeer-io/bucketeer/pkg/environment/client"
expclient "github.com/bucketeer-io/bucketeer/pkg/experiment/client"
envproto "github.com/bucketeer-io/bucketeer/proto/environment"
expproto "github.com/bucketeer-io/bucketeer/proto/experiment"
)
type experimentCacher struct {
environmentClient envclient.Client
experimentClient expclient.Client
cache cachev3.ExperimentsCache
opts *jobs.Options
logger *zap.Logger
}
func NewExperimentCacher(
environmentClient envclient.Client,
experimentClient expclient.Client,
cache cache.MultiGetCache,
opts ...jobs.Option,
) jobs.Job {
dopts := &jobs.Options{
Logger: zap.NewNop(),
}
for _, opt := range opts {
opt(dopts)
}
return &experimentCacher{
environmentClient: environmentClient,
experimentClient: experimentClient,
cache: cachev3.NewExperimentsCache(cache),
opts: dopts,
logger: dopts.Logger.Named("experiment-cacher"),
}
}
func (c *experimentCacher) Run(ctx context.Context) error {
envs, err := c.listAllEnvironments(ctx)
if err != nil {
c.logger.Error("Failed to list all environments")
return err
}
for _, env := range envs {
experiments, err := c.listExperiments(ctx, env.Id)
if err != nil {
c.logger.Error("Failed to list experiments", zap.String("environmentId", env.Id))
return err
}
if err := c.cache.Put(&expproto.Experiments{Experiments: experiments}, env.Id); err != nil {
c.logger.Error("Failed to cache experiments", zap.String("environmentId", env.Id))
continue
}
}
return nil
}
func (c *experimentCacher) listAllEnvironments(
ctx context.Context,
) ([]*envproto.EnvironmentV2, error) {
req := &envproto.ListEnvironmentsV2Request{
PageSize: 0,
}
resp, err := c.environmentClient.ListEnvironmentsV2(ctx, req)
if err != nil {
return nil, err
}
return resp.Environments, nil
}
// List only running, stopped, and not archived experiments
func (c *experimentCacher) listExperiments(
ctx context.Context,
environmentID string,
) ([]*expproto.Experiment, error) {
req := &expproto.ListExperimentsRequest{
PageSize: 0,
EnvironmentNamespace: environmentID,
Statuses: []expproto.Experiment_Status{
expproto.Experiment_RUNNING,
expproto.Experiment_STOPPED,
},
Archived: &wrapperspb.BoolValue{Value: false},
}
resp, err := c.experimentClient.ListExperiments(ctx, req)
if err != nil {
return nil, err
}
return resp.Experiments, nil
}