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/*
Copyright 2014 Outbrain Inc.
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 inst
import (
"github.com/outbrain/orchestrator/go/config"
"regexp"
"strings"
)
// ClusterInfo makes for a cluster status/info summary
type ClusterInfo struct {
ClusterName string
ClusterAlias string // Human friendly alias
ClusterDomain string // CNAME/VIP/A-record/whatever of the master of this cluster
CountInstances uint
HeuristicLag int64
HasAutomatedMasterRecovery bool
HasAutomatedIntermediateMasterRecovery bool
}
// ReadRecoveryInfo
func (this *ClusterInfo) ReadRecoveryInfo() {
this.HasAutomatedMasterRecovery = this.filtersMatchCluster(config.Config.RecoverMasterClusterFilters)
this.HasAutomatedIntermediateMasterRecovery = this.filtersMatchCluster(config.Config.RecoverIntermediateMasterClusterFilters)
}
// filtersMatchCluster will see whether the given filters match the given cluster details
func (this *ClusterInfo) filtersMatchCluster(filters []string) bool {
for _, filter := range filters {
if strings.HasPrefix(filter, "alias=") {
// Match by exact cluster alias name
alias := strings.SplitN(filter, "=", 2)[1]
if alias == this.ClusterAlias {
return true
}
} else if strings.HasPrefix(filter, "alias~=") {
// Match by cluster alias regex
aliasPattern := strings.SplitN(filter, "~=", 2)[1]
if matched, _ := regexp.MatchString(aliasPattern, this.ClusterAlias); matched {
return true
}
} else if filter == "*" {
return true
} else if matched, _ := regexp.MatchString(filter, this.ClusterName); matched && filter != "" {
return true
}
}
return false
}
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