mirror of
https://github.com/versity/versitygw.git
synced 2026-08-20 06:06:19 +00:00
Ben McClelland
7aa733ae9e
Using Docker ENTRYPOINT should allow for configuration of running versitygw within Docker container similar to how the systemd service is setup with environment variables. This also adds the backends azure and plugin to the acceptable backend options for both docker and systemd. Fixes #1335
76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
// Copyright 2025 Versity Software
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// This file is licensed under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package main
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import (
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"errors"
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"fmt"
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"plugin"
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"github.com/urfave/cli/v2"
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"github.com/versity/versitygw/plugins"
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)
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func pluginCommand() *cli.Command {
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return &cli.Command{
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Name: "plugin",
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Usage: "load a backend from a plugin",
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Description: "Runs a s3 gateway and redirects the requests to the backend defined in the plugin",
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Action: runPluginBackend,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "config",
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Usage: "location of the plugin config file",
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Aliases: []string{"c"},
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EnvVars: []string{"VGW_PLUGIN_CONFIG"},
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},
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},
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}
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}
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func runPluginBackend(ctx *cli.Context) error {
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if ctx.NArg() == 0 {
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return fmt.Errorf("no plugin file provided to be loaded")
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}
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pluginPath := ctx.Args().Get(0)
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config := ctx.String("config")
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p, err := plugin.Open(pluginPath)
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if err != nil {
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return err
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}
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backendSymbol, err := p.Lookup("Backend")
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if err != nil {
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return err
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}
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backendPluginPtr, ok := backendSymbol.(*plugins.BackendPlugin)
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if !ok {
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return errors.New("plugin is not of type *plugins.BackendPlugin")
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}
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if backendPluginPtr == nil {
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return errors.New("variable Backend is nil")
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}
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be, err := (*backendPluginPtr).New(config)
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if err != nil {
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return err
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}
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return runGateway(ctx.Context, be)
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}
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