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factory.go
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factory.go
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// Copyright 2020 The PipeCD 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://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 factory
import (
"fmt"
"os"
"strings"
"go.uber.org/zap"
"github.com/pipe-cd/pipecd/pkg/app/piped/analysisprovider/metrics"
"github.com/pipe-cd/pipecd/pkg/app/piped/analysisprovider/metrics/datadog"
"github.com/pipe-cd/pipecd/pkg/app/piped/analysisprovider/metrics/prometheus"
"github.com/pipe-cd/pipecd/pkg/config"
"github.com/pipe-cd/pipecd/pkg/model"
)
// NewProvider generates an appropriate provider according to analysis provider config.
func NewProvider(analysisTempCfg *config.TemplatableAnalysisMetrics, providerCfg *config.PipedAnalysisProvider, logger *zap.Logger) (metrics.Provider, error) {
switch providerCfg.Type {
case model.AnalysisProviderPrometheus:
options := []prometheus.Option{
prometheus.WithLogger(logger),
prometheus.WithTimeout(analysisTempCfg.Timeout.Duration()),
}
cfg := providerCfg.PrometheusConfig
if cfg.UsernameFile != "" && cfg.PasswordFile != "" {
username, err := os.ReadFile(cfg.UsernameFile)
if err != nil {
return nil, fmt.Errorf("failed to read the username file: %w", err)
}
password, err := os.ReadFile(cfg.PasswordFile)
if err != nil {
return nil, fmt.Errorf("failed to read the password file: %w", err)
}
options = append(options, prometheus.WithBasicAuth(strings.TrimSpace(string(username)), strings.TrimSpace(string(password))))
}
return prometheus.NewProvider(providerCfg.PrometheusConfig.Address, options...)
case model.AnalysisProviderDatadog:
var apiKey, applicationKey string
cfg := providerCfg.DatadogConfig
if cfg.APIKeyFile != "" {
a, err := os.ReadFile(cfg.APIKeyFile)
if err != nil {
return nil, fmt.Errorf("failed to read the api-key file: %w", err)
}
apiKey = strings.TrimSpace(string(a))
}
if cfg.ApplicationKeyFile != "" {
a, err := os.ReadFile(cfg.ApplicationKeyFile)
if err != nil {
return nil, fmt.Errorf("failed to read the application-key file: %w", err)
}
applicationKey = strings.TrimSpace(string(a))
}
options := []datadog.Option{
datadog.WithLogger(logger),
datadog.WithTimeout(analysisTempCfg.Timeout.Duration()),
}
if cfg.Address != "" {
options = append(options, datadog.WithAddress(cfg.Address))
}
return datadog.NewProvider(apiKey, applicationKey, options...)
default:
return nil, fmt.Errorf("any of providers config not found")
}
}