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config.go
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config.go
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// Copyright The OpenTelemetry 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:https://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 couchdbreceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/couchdbreceiver"
import (
"errors"
"fmt"
"net/url"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/receiver/scraperhelper"
"go.uber.org/multierr"
"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/couchdbreceiver/internal/metadata"
)
const defaultEndpoint = "http:https://localhost:5984"
var (
// Errors for missing required config fields.
errMissingUsername = errors.New(`no "username" specified in config`)
errMissingPassword = errors.New(`no "password" specified in config`)
// Errors for invalid url components in the endpoint.
errInvalidEndpoint = errors.New(`"endpoint" %q must be in the form of <scheme>:https://<hostname>:<port>`)
)
// Config defines the configuration for the various elements of the receiver agent.
type Config struct {
scraperhelper.ScraperControllerSettings `mapstructure:",squash"`
confighttp.HTTPClientSettings `mapstructure:",squash"`
metadata.MetricsBuilderConfig `mapstructure:",squash"`
Username string `mapstructure:"username"`
Password string `mapstructure:"password"`
}
// Validate validates missing and invalid configuration fields.
func (cfg *Config) Validate() error {
var err error
if cfg.Username == "" {
err = multierr.Append(err, errMissingUsername)
}
if cfg.Password == "" {
err = multierr.Append(err, errMissingPassword)
}
_, parseErr := url.Parse(cfg.Endpoint)
if parseErr != nil {
err = multierr.Append(err, fmt.Errorf(errInvalidEndpoint.Error(), parseErr))
}
return err
}