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Add otlploggrpc exporter skeleton (#5246)
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| # OTLP Log gRPC Exporter | ||
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| [](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc) |
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| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package otlploggrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc" | ||
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| type client struct { | ||
| // TODO: implement. | ||
| } | ||
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| // newClient creates a new gRPC log client. | ||
| func newClient(cfg config) (*client, error) { | ||
| // TODO: implement. | ||
| return &client{}, nil | ||
| } |
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| @@ -0,0 +1,227 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package otlploggrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc" | ||
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| import ( | ||
| "time" | ||
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| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials" | ||
| ) | ||
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| // Option applies an option to the Exporter. | ||
| type Option interface { | ||
| applyHTTPOption(config) config | ||
| } | ||
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| type config struct { | ||
| // TODO: implement. | ||
| } | ||
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| func newConfig(options []Option) config { | ||
| var c config | ||
| for _, opt := range options { | ||
| c = opt.applyHTTPOption(c) | ||
| } | ||
| return c | ||
| } | ||
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| // RetryConfig defines configuration for retrying the export of log data | ||
| // that failed. | ||
| // | ||
| // This configuration does not define any network retry strategy. That is | ||
| // entirely handled by the gRPC ClientConn. | ||
| type RetryConfig struct { | ||
| // TODO: implement. | ||
| } | ||
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| // WithInsecure disables client transport security for the Exporter's gRPC | ||
| // connection, just like grpc.WithInsecure() | ||
| // (https://pkg.go.dev/google.golang.org/grpc#WithInsecure) does. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_LOGS_ENDPOINT | ||
| // environment variable is set, and this option is not passed, that variable | ||
| // value will be used to determine client security. If the endpoint has a | ||
| // scheme of "http" or "unix" client security will be disabled. If both are | ||
| // set, OTEL_EXPORTER_OTLP_LOGS_ENDPOINT will take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, client security will be used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithInsecure() Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
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| // WithEndpoint sets the target endpoint the Exporter will connect to. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_LOGS_ENDPOINT | ||
| // environment variable is set, and this option is not passed, that variable | ||
| // value will be used. If both are set, OTEL_EXPORTER_OTLP_LOGS_ENDPOINT | ||
| // will take precedence. | ||
| // | ||
| // If both this option and WithEndpointURL are used, the last used option will | ||
| // take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, "localhost:4317" will be used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithEndpoint(endpoint string) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithEndpointURL sets the target endpoint URL the Exporter will connect to. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_LOGS_ENDPOINT | ||
| // environment variable is set, and this option is not passed, that variable | ||
| // value will be used. If both are set, OTEL_EXPORTER_OTLP_LOGS_ENDPOINT | ||
| // will take precedence. | ||
| // | ||
| // If both this option and WithEndpoint are used, the last used option will | ||
| // take precedence. | ||
| // | ||
| // If an invalid URL is provided, the default value will be kept. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, "localhost:4317" will be used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithEndpointURL(u string) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
|
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| // WithReconnectionPeriod set the minimum amount of time between connection | ||
| // attempts to the target endpoint. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithReconnectionPeriod(rp time.Duration) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithCompressor sets the compressor the gRPC client uses. | ||
| // Supported compressor values: "gzip". | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_COMPRESSION or | ||
| // OTEL_EXPORTER_OTLP_LOGS_COMPRESSION environment variable is set, and | ||
| // this option is not passed, that variable value will be used. That value can | ||
| // be either "none" or "gzip". If both are set, | ||
| // OTEL_EXPORTER_OTLP_LOGS_COMPRESSION will take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, no compressor will be used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithCompressor(compressor string) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithHeaders will send the provided headers with each gRPC requests. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_HEADERS or OTEL_EXPORTER_OTLP_LOGS_HEADERS | ||
| // environment variable is set, and this option is not passed, that variable | ||
| // value will be used. The value will be parsed as a list of key value pairs. | ||
| // These pairs are expected to be in the W3C Correlation-Context format | ||
| // without additional semi-colon delimited metadata (i.e. "k1=v1,k2=v2"). If | ||
| // both are set, OTEL_EXPORTER_OTLP_LOGS_HEADERS will take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, no user headers will be set. | ||
| func WithHeaders(headers map[string]string) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
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| // WithTLSCredentials sets the gRPC connection to use creds. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_CERTIFICATE or | ||
| // OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE environment variable is set, and | ||
| // this option is not passed, that variable value will be used. The value will | ||
| // be parsed the filepath of the TLS certificate chain to use. If both are | ||
| // set, OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE will take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, no TLS credentials will be used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithTLSCredentials(_ credentials.TransportCredentials) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
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| // WithServiceConfig defines the default gRPC service config used. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithServiceConfig(serviceConfig string) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
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| // WithDialOption sets explicit grpc.DialOptions to use when establishing a | ||
| // gRPC connection. The options here are appended to the internal grpc.DialOptions | ||
| // used so they will take precedence over any other internal grpc.DialOptions | ||
| // they might conflict with. | ||
| // The [grpc.WithBlock], [grpc.WithTimeout], and [grpc.WithReturnConnectionError] | ||
| // grpc.DialOptions are ignored. | ||
| // | ||
| // This option has no effect if WithGRPCConn is used. | ||
| func WithDialOption(_ ...grpc.DialOption) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithGRPCConn sets conn as the gRPC ClientConn used for all communication. | ||
| // | ||
| // This option takes precedence over any other option that relates to | ||
| // establishing or persisting a gRPC connection to a target endpoint. Any | ||
| // other option of those types passed will be ignored. | ||
| // | ||
| // It is the callers responsibility to close the passed conn. The Exporter | ||
| // Shutdown method will not close this connection. | ||
| func WithGRPCConn(_ *grpc.ClientConn) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithTimeout sets the max amount of time an Exporter will attempt an export. | ||
| // | ||
| // This takes precedence over any retry settings defined by WithRetry. Once | ||
| // this time limit has been reached the export is abandoned and the log | ||
| // data is dropped. | ||
| // | ||
| // If the OTEL_EXPORTER_OTLP_TIMEOUT or OTEL_EXPORTER_OTLP_LOGS_TIMEOUT | ||
| // environment variable is set, and this option is not passed, that variable | ||
| // value will be used. The value will be parsed as an integer representing the | ||
| // timeout in milliseconds. If both are set, | ||
| // OTEL_EXPORTER_OTLP_LOGS_TIMEOUT will take precedence. | ||
| // | ||
| // By default, if an environment variable is not set, and this option is not | ||
| // passed, a timeout of 10 seconds will be used. | ||
| func WithTimeout(duration time.Duration) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // WithRetry sets the retry policy for transient retryable errors that are | ||
| // returned by the target endpoint. | ||
| // | ||
| // If the target endpoint responds with not only a retryable error, but | ||
| // explicitly returns a backoff time in the response, that time will take | ||
| // precedence over these settings. | ||
| // | ||
| // These settings do not define any network retry strategy. That is entirely | ||
| // handled by the gRPC ClientConn. | ||
| // | ||
| // If unset, the default retry policy will be used. It will retry the export | ||
| // 5 seconds after receiving a retryable error and increase exponentially | ||
| // after each error for no more than a total time of 1 minute. | ||
| func WithRetry(settings RetryConfig) Option { | ||
| // TODO: implement. | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| // Package otlploggrpc provides an OTLP log exporter. The exporter uses gRPC to | ||
| // transport OTLP protobuf payloads. | ||
| package otlploggrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
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| package otlploggrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc" | ||
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| import ( | ||
| "context" | ||
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| "go.opentelemetry.io/otel/sdk/log" | ||
| ) | ||
|
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| // Exporter is a OpenTelemetry log Exporter. It transports log data encoded as | ||
| // OTLP protobufs using gRPC. | ||
| type Exporter struct { | ||
| // TODO: implement. | ||
| } | ||
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| // Compile-time check Exporter implements [log.Exporter]. | ||
| var _ log.Exporter = (*Exporter)(nil) | ||
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| // New returns a new [Exporter]. | ||
| func New(_ context.Context, options ...Option) (*Exporter, error) { | ||
| cfg := newConfig(options) | ||
| c, err := newClient(cfg) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return newExporter(c, cfg) | ||
| } | ||
|
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| func newExporter(*client, config) (*Exporter, error) { | ||
| // TODO: implement | ||
| return &Exporter{}, nil | ||
| } | ||
|
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| // Export transforms and transmits log records to an OTLP receiver. | ||
| func (e *Exporter) Export(ctx context.Context, records []log.Record) error { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // Shutdown shuts down the Exporter. Calls to Export or ForceFlush will perform | ||
| // no operation after this is called. | ||
| func (e *Exporter) Shutdown(ctx context.Context) error { | ||
| // TODO: implement. | ||
| return nil | ||
| } | ||
|
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| // ForceFlush does nothing. The Exporter holds no state. | ||
| func (e *Exporter) ForceFlush(ctx context.Context) error { | ||
| // TODO: implement. | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| module go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc | ||
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| go 1.21 | ||
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| require ( | ||
| github.com/stretchr/testify v1.9.0 | ||
| go.opentelemetry.io/otel/sdk/log v0.2.0-alpha | ||
| google.golang.org/grpc v1.63.2 | ||
| ) | ||
|
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| require ( | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/go-logr/logr v1.4.1 // indirect | ||
| github.com/go-logr/stdr v1.2.2 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| go.opentelemetry.io/otel v1.26.0 // indirect | ||
| go.opentelemetry.io/otel/log v0.2.0-alpha // indirect | ||
| go.opentelemetry.io/otel/metric v1.26.0 // indirect | ||
| go.opentelemetry.io/otel/sdk v1.26.0 // indirect | ||
| go.opentelemetry.io/otel/trace v1.26.0 // indirect | ||
| golang.org/x/net v0.23.0 // indirect | ||
| golang.org/x/sys v0.19.0 // indirect | ||
| golang.org/x/text v0.14.0 // indirect | ||
| google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect | ||
| google.golang.org/protobuf v1.33.0 // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) | ||
|
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| replace go.opentelemetry.io/otel => ../../../.. | ||
|
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| replace go.opentelemetry.io/otel/sdk/log => ../../../../sdk/log | ||
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| replace go.opentelemetry.io/otel/sdk => ../../../../sdk | ||
|
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| replace go.opentelemetry.io/otel/log => ../../../../log | ||
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| replace go.opentelemetry.io/otel/trace => ../../../../trace | ||
|
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| replace go.opentelemetry.io/otel/metric => ../../../../metric |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= | ||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= | ||
| github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ= | ||
| github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= | ||
| github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= | ||
| github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= | ||
| github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= | ||
| github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= | ||
| github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= | ||
| github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= | ||
| golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs= | ||
| golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg= | ||
| golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o= | ||
| golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= | ||
| golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= | ||
| golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= | ||
| google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY= | ||
| google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY= | ||
| google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM= | ||
| google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA= | ||
| google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI= | ||
| google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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