mirror of
https://github.com/cloudnative-pg/plugin-barman-cloud.git
synced 2026-01-11 05:13:10 +01:00
1be34fe13e
Adopt the new attribution information for contributions to CloudNativePG: ``` Copyright © contributors to CloudNativePG, established as CloudNativePG a Series of LF Projects, LLC. ``` Adopt the SPDX format for Apache License 2.0 Signed-off-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com> Signed-off-by: Leonardo Cecchi <leonardo.cecchi@enterprisedb.com> Co-authored-by: Leonardo Cecchi <leonardo.cecchi@enterprisedb.com>
95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
/*
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Copyright © contributors to CloudNativePG, established as
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CloudNativePG a Series of LF Projects, LLC.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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SPDX-License-Identifier: Apache-2.0
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*/
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package healthcheck
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import (
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"fmt"
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"os"
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"path"
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"github.com/cloudnative-pg/machinery/pkg/log"
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"github.com/spf13/cobra"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/health/grpc_health_v1"
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"github.com/cloudnative-pg/plugin-barman-cloud/internal/cnpgi/metadata"
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)
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// NewCmd returns the healthcheck command
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func NewCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: "healthcheck",
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Short: "healthcheck commands",
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}
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cmd.AddCommand(unixHealthCheck())
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return cmd
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}
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func unixHealthCheck() *cobra.Command {
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cmd := &cobra.Command{
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Use: "unix",
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Short: "executes the health check command on unix:///plugins/barman-cloud.cloudnative-pg.io",
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RunE: func(cmd *cobra.Command, _ []string) error {
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dialPath := fmt.Sprintf("unix://%s", path.Join("/plugins", metadata.PluginName))
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cli, cliErr := grpc.NewClient(dialPath, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if cliErr != nil {
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log.Error(cliErr, "while building the client")
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return cliErr
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}
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healthCli := grpc_health_v1.NewHealthClient(cli)
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res, healthErr := healthCli.Check(
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cmd.Context(),
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&grpc_health_v1.HealthCheckRequest{},
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)
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if healthErr != nil {
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log.Error(healthErr, "while executing the healthcheck call")
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return healthErr
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}
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if res.Status == grpc_health_v1.HealthCheckResponse_SERVING {
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log.Trace("healthcheck response OK")
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os.Exit(0)
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return nil
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}
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log.Error(fmt.Errorf("unexpected healthcheck status: %v", res.Status),
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"while processing healthcheck response")
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// exit code 1 is returned when we exit from the function with an error
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switch res.Status {
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case grpc_health_v1.HealthCheckResponse_UNKNOWN:
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os.Exit(2)
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case grpc_health_v1.HealthCheckResponse_NOT_SERVING:
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os.Exit(3)
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default:
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os.Exit(125)
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}
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return nil
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},
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}
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return cmd
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}
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