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service.go
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service.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package health
import (
"net/http"
"go.uber.org/zap"
"github.com/MetalBlockchain/metalgo/utils/logging"
)
type Service struct {
log logging.Logger
health Reporter
}
// APIReply is the response for Readiness, Health, and Liveness.
type APIReply struct {
Checks map[string]Result `json:"checks"`
Healthy bool `json:"healthy"`
}
// APIArgs is the arguments for Readiness, Health, and Liveness.
type APIArgs struct {
Tags []string `json:"tags"`
}
// Readiness returns if the node has finished initialization
func (s *Service) Readiness(_ *http.Request, args *APIArgs, reply *APIReply) error {
s.log.Debug("API called",
zap.String("service", "health"),
zap.String("method", "readiness"),
zap.Strings("tags", args.Tags),
)
reply.Checks, reply.Healthy = s.health.Readiness(args.Tags...)
return nil
}
// Health returns a summation of the health of the node
func (s *Service) Health(_ *http.Request, args *APIArgs, reply *APIReply) error {
s.log.Debug("API called",
zap.String("service", "health"),
zap.String("method", "health"),
zap.Strings("tags", args.Tags),
)
reply.Checks, reply.Healthy = s.health.Health(args.Tags...)
return nil
}
// Liveness returns if the node is in need of a restart
func (s *Service) Liveness(_ *http.Request, args *APIArgs, reply *APIReply) error {
s.log.Debug("API called",
zap.String("service", "health"),
zap.String("method", "liveness"),
zap.Strings("tags", args.Tags),
)
reply.Checks, reply.Healthy = s.health.Liveness(args.Tags...)
return nil
}