63 lines
2.5 KiB
Go
63 lines
2.5 KiB
Go
package autoconf
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import (
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"context"
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"net"
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"github.com/hashicorp/consul/agent/config"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/lib"
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"github.com/hashicorp/go-hclog"
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)
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// DirectRPC is the interface that needs to be satisifed for AutoConfig to be able to perform
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// direct RPCs against individual servers. This will not be used for any ongoing RPCs as once
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// the agent gets configured, it can go through the normal RPC means of selecting a available
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// server automatically.
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type DirectRPC interface {
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RPC(dc string, node string, addr net.Addr, method string, args interface{}, reply interface{}) error
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}
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// CertMonitor is the interface that needs to be satisfied for AutoConfig to be able to
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// setup monitoring of the Connect TLS certificate after we first get it.
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type CertMonitor interface {
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Update(*structs.SignedResponse) error
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Start(context.Context) (<-chan struct{}, error)
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Stop() bool
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}
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// Config contains all the tunables for AutoConfig
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type Config struct {
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// Logger is any logger that should be utilized. If not provided,
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// then no logs will be emitted.
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Logger hclog.Logger
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// DirectRPC is the interface to be used by AutoConfig to make the
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// AutoConfig.InitialConfiguration RPCs for generating the bootstrap
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// configuration. Setting this field is required.
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DirectRPC DirectRPC
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// Waiter is a RetryWaiter to be used during retrieval of the
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// initial configuration. When a round of requests fails we will
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// wait and eventually make another round of requests (1 round
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// is trying the RPC once against each configured server addr). The
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// waiting implements some backoff to prevent from retrying these RPCs
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// to often. This field is not required and if left unset a waiter will
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// be used that has a max wait duration of 10 minutes and a randomized
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// jitter of 25% of the wait time. Setting this is mainly useful for
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// testing purposes to allow testing out the retrying functionality without
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// having the test take minutes/hours to complete.
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Waiter *lib.RetryWaiter
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// CertMonitor is the Connect TLS Certificate Monitor to be used for ongoing
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// certificate renewals and connect CA roots updates. This field is not
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// strictly required but if not provided the TLS certificates retrieved
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// through by the AutoConfig.InitialConfiguration RPC will not be used
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// or renewed.
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CertMonitor CertMonitor
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// Loader merges source with the existing FileSources and returns the complete
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// RuntimeConfig.
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Loader func(source config.Source) (cfg *config.RuntimeConfig, warnings []string, err error)
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}
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