| // Copyright 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 clusterboot |
| |
| import ( |
| "fmt" |
| ) |
| |
| import ( |
| "github.com/hashicorp/go-multierror" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/cluster" |
| _ "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/cluster/kube" |
| _ "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/cluster/staticvm" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/config" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/scopes" |
| ) |
| |
| var _ cluster.Factory = factory{} |
| |
| func NewFactory() cluster.Factory { |
| return factory{} |
| } |
| |
| type factory struct { |
| configs []cluster.Config |
| } |
| |
| func (a factory) Kind() cluster.Kind { |
| return cluster.Aggregate |
| } |
| |
| func (a factory) With(configs ...cluster.Config) cluster.Factory { |
| return factory{configs: append(a.configs, configs...)} |
| } |
| |
| func (a factory) Build() (cluster.Clusters, error) { |
| scopes.Framework.Infof("=== BEGIN: Building clusters ===") |
| |
| // use multierror to give as much detail as possible if the config is bad |
| var errs error |
| defer func() { |
| if errs != nil { |
| scopes.Framework.Infof("=== FAILED: Building clusters ===") |
| } |
| }() |
| |
| allClusters := make(cluster.Map) |
| var clusters cluster.Clusters |
| for i, cfg := range a.configs { |
| c, err := buildCluster(cfg, allClusters) |
| if err != nil { |
| errs = multierror.Append(errs, fmt.Errorf("failed building cluster from config %d: %v", i, err)) |
| continue |
| } |
| if _, ok := allClusters[c.Name()]; ok { |
| errs = multierror.Append(errs, fmt.Errorf("more than one cluster named %s", c.Name())) |
| continue |
| } |
| allClusters[c.Name()] = c |
| clusters = append(clusters, c) |
| } |
| if errs != nil { |
| return nil, errs |
| } |
| |
| // validate the topology has no open edges |
| for _, c := range allClusters { |
| if primary, ok := allClusters[c.PrimaryName()]; !ok { |
| errs = multierror.Append(errs, fmt.Errorf("primary %s for %s is not in the topology", c.PrimaryName(), c.Name())) |
| continue |
| } else if !validPrimaryOrConfig(primary) { |
| errs = multierror.Append(errs, fmt.Errorf("primary %s for %s is of kind %s, primaries must be Kubernetes", primary.Name(), c.Name(), primary.Kind())) |
| continue |
| } |
| if cfg, ok := allClusters[c.ConfigName()]; !ok { |
| errs = multierror.Append(errs, fmt.Errorf("config %s for %s is not in the topology", c.ConfigName(), c.Name())) |
| continue |
| } else if !validPrimaryOrConfig(cfg) { |
| errs = multierror.Append(errs, fmt.Errorf("config %s for %s is of kind %s, primaries must be Kubernetes", cfg.Name(), c.Name(), cfg.Kind())) |
| continue |
| } |
| } |
| if errs != nil { |
| return nil, errs |
| } |
| |
| for _, c := range clusters { |
| scopes.Framework.Infof("Built Cluster:\n%s", c.String()) |
| } |
| |
| scopes.Framework.Infof("=== DONE: Building clusters ===") |
| return clusters, errs |
| } |
| |
| func validPrimaryOrConfig(c cluster.Cluster) bool { |
| return c.Kind() == cluster.Kubernetes || c.Kind() == cluster.Fake |
| } |
| |
| func buildCluster(cfg cluster.Config, allClusters cluster.Map) (cluster.Cluster, error) { |
| cfg, err := validConfig(cfg) |
| if err != nil { |
| return nil, err |
| } |
| f, err := cluster.GetFactory(cfg) |
| if err != nil { |
| return nil, err |
| } |
| return f(cfg, cluster.NewTopology(cfg, allClusters)) |
| } |
| |
| func validConfig(cfg cluster.Config) (cluster.Config, error) { |
| if cfg.Name == "" { |
| return cfg, fmt.Errorf("empty cluster name") |
| } |
| if cfg.Kind == "" { |
| return cfg, fmt.Errorf("unspecified Kind for %s", cfg.Name) |
| } |
| if cfg.PrimaryClusterName == "" { |
| cfg.PrimaryClusterName = cfg.Name |
| } |
| if cfg.ConfigClusterName == "" { |
| cfg.ConfigClusterName = cfg.PrimaryClusterName |
| } |
| if cfg.Meta == nil { |
| cfg.Meta = config.Map{} |
| } |
| return cfg, nil |
| } |