mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-05-19 08:48:08 +00:00
300 lines
8.5 KiB
Go
300 lines
8.5 KiB
Go
// Copyright 2018 Drone.IO Inc.
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//
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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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//
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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, 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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package main
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import (
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"context"
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"crypto/tls"
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"errors"
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"net"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/keepalive"
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"google.golang.org/grpc/metadata"
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"golang.org/x/crypto/acme/autocert"
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"golang.org/x/sync/errgroup"
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"github.com/woodpecker-ci/woodpecker/cncd/logging"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/rpc/proto"
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"github.com/woodpecker-ci/woodpecker/cncd/pubsub"
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"github.com/woodpecker-ci/woodpecker/plugins/sender"
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"github.com/woodpecker-ci/woodpecker/remote"
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"github.com/woodpecker-ci/woodpecker/server"
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woodpeckerGrpcServer "github.com/woodpecker-ci/woodpecker/server/grpc"
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"github.com/woodpecker-ci/woodpecker/server/router"
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"github.com/woodpecker-ci/woodpecker/server/router/middleware"
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"github.com/woodpecker-ci/woodpecker/store"
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"github.com/gin-gonic/contrib/ginrus"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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oldcontext "golang.org/x/net/context"
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)
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func loop(c *cli.Context) error {
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// debug level if requested by user
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if c.Bool("debug") {
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logrus.SetLevel(logrus.DebugLevel)
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} else {
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logrus.SetLevel(logrus.WarnLevel)
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}
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// must configure the drone_host variable
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if c.String("server-host") == "" {
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logrus.Fatalln("DRONE_HOST/DRONE_SERVER_HOST/WOODPECKER_HOST/WOODPECKER_SERVER_HOST is not properly configured")
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}
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if !strings.Contains(c.String("server-host"), "://") {
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logrus.Fatalln(
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"DRONE_HOST/DRONE_SERVER_HOST/WOODPECKER_HOST/WOODPECKER_SERVER_HOST must be <scheme>://<hostname> format",
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)
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}
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if strings.Contains(c.String("server-host"), "://localhost") {
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logrus.Warningln(
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"DRONE_HOST/DRONE_SERVER_HOST/WOODPECKER_HOST/WOODPECKER_SERVER_HOST should probably be publicly accessible (not localhost)",
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)
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}
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if strings.HasSuffix(c.String("server-host"), "/") {
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logrus.Fatalln(
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"DRONE_HOST/DRONE_SERVER_HOST/WOODPECKER_HOST/WOODPECKER_SERVER_HOST must not have trailing slash",
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)
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}
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remote_, err := SetupRemote(c)
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if err != nil {
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logrus.Fatal(err)
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}
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store_ := setupStore(c)
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setupEvilGlobals(c, store_, remote_)
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// we are switching from gin to httpservermux|treemux,
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// so if this code looks strange, that is why.
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tree := setupTree(c)
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// setup the server and start the listener
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handler := router.Load(
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tree,
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ginrus.Ginrus(logrus.StandardLogger(), time.RFC3339, true),
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middleware.Version,
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middleware.Config(c),
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middleware.Store(c, store_),
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middleware.Remote(remote_),
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)
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var g errgroup.Group
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// start the grpc server
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g.Go(func() error {
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lis, err := net.Listen("tcp", c.String("grpc-addr"))
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if err != nil {
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logrus.Error(err)
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return err
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}
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auther := &authorizer{
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password: c.String("agent-secret"),
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}
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grpcServer := grpc.NewServer(
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grpc.StreamInterceptor(auther.streamInterceptor),
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grpc.UnaryInterceptor(auther.unaryIntercaptor),
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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MinTime: c.Duration("keepalive-min-time"),
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}),
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)
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droneServer := woodpeckerGrpcServer.NewDroneServer(
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remote_,
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server.Config.Services.Queue,
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server.Config.Services.Logs,
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server.Config.Services.Pubsub,
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store_,
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server.Config.Server.Host,
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)
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proto.RegisterDroneServer(grpcServer, droneServer)
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err = grpcServer.Serve(lis)
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if err != nil {
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logrus.Error(err)
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return err
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}
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return nil
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})
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setupMetrics(&g, store_)
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// start the server with tls enabled
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if c.String("server-cert") != "" {
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g.Go(func() error {
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return http.ListenAndServe(":http", http.HandlerFunc(redirect))
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})
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g.Go(func() error {
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serve := &http.Server{
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Addr: ":https",
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Handler: handler,
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TLSConfig: &tls.Config{
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NextProtos: []string{"http/1.1"}, // disable h2 because Safari :(
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},
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}
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return serve.ListenAndServeTLS(
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c.String("server-cert"),
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c.String("server-key"),
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)
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})
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return g.Wait()
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}
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// start the server without tls enabled
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if !c.Bool("lets-encrypt") {
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return http.ListenAndServe(
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c.String("server-addr"),
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handler,
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)
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}
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// start the server with lets encrypt enabled
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// listen on ports 443 and 80
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address, err := url.Parse(c.String("server-host"))
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if err != nil {
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return err
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}
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dir := cacheDir()
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os.MkdirAll(dir, 0700)
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manager := &autocert.Manager{
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Prompt: autocert.AcceptTOS,
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HostPolicy: autocert.HostWhitelist(address.Host),
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Cache: autocert.DirCache(dir),
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}
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g.Go(func() error {
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return http.ListenAndServe(":http", manager.HTTPHandler(http.HandlerFunc(redirect)))
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})
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g.Go(func() error {
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serve := &http.Server{
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Addr: ":https",
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Handler: handler,
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TLSConfig: &tls.Config{
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GetCertificate: manager.GetCertificate,
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NextProtos: []string{"http/1.1"}, // disable h2 because Safari :(
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},
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}
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return serve.ListenAndServeTLS("", "")
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})
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return g.Wait()
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}
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func setupEvilGlobals(c *cli.Context, v store.Store, r remote.Remote) {
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// storage
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server.Config.Storage.Files = v
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server.Config.Storage.Config = v
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// services
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server.Config.Services.Queue = setupQueue(c, v)
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server.Config.Services.Logs = logging.New()
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server.Config.Services.Pubsub = pubsub.New()
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server.Config.Services.Pubsub.Create(context.Background(), "topic/events")
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server.Config.Services.Registries = setupRegistryService(c, v)
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server.Config.Services.Secrets = setupSecretService(c, v)
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server.Config.Services.Senders = sender.New(v, v)
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server.Config.Services.Environ = setupEnvironService(c, v)
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if endpoint := c.String("gating-service"); endpoint != "" {
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server.Config.Services.Senders = sender.NewRemote(endpoint)
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}
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// limits
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server.Config.Pipeline.Limits.MemSwapLimit = c.Int64("limit-mem-swap")
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server.Config.Pipeline.Limits.MemLimit = c.Int64("limit-mem")
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server.Config.Pipeline.Limits.ShmSize = c.Int64("limit-shm-size")
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server.Config.Pipeline.Limits.CPUQuota = c.Int64("limit-cpu-quota")
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server.Config.Pipeline.Limits.CPUShares = c.Int64("limit-cpu-shares")
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server.Config.Pipeline.Limits.CPUSet = c.String("limit-cpu-set")
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// server configuration
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server.Config.Server.Cert = c.String("server-cert")
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server.Config.Server.Key = c.String("server-key")
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server.Config.Server.Pass = c.String("agent-secret")
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server.Config.Server.Host = c.String("server-host")
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server.Config.Server.Port = c.String("server-addr")
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server.Config.Server.RepoConfig = c.String("repo-config")
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server.Config.Server.SessionExpires = c.Duration("session-expires")
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server.Config.Pipeline.Networks = c.StringSlice("network")
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server.Config.Pipeline.Volumes = c.StringSlice("volume")
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server.Config.Pipeline.Privileged = c.StringSlice("escalate")
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// prometheus
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server.Config.Prometheus.AuthToken = c.String("prometheus-auth-token")
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}
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type authorizer struct {
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password string
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}
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func (a *authorizer) streamInterceptor(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
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if err := a.authorize(stream.Context()); err != nil {
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return err
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}
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return handler(srv, stream)
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}
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func (a *authorizer) unaryIntercaptor(ctx oldcontext.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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if err := a.authorize(ctx); err != nil {
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return nil, err
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}
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return handler(ctx, req)
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}
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func (a *authorizer) authorize(ctx context.Context) error {
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if md, ok := metadata.FromIncomingContext(ctx); ok {
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if len(md["password"]) > 0 && md["password"][0] == a.password {
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return nil
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}
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return errors.New("invalid agent token")
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}
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return errors.New("missing agent token")
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}
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func redirect(w http.ResponseWriter, req *http.Request) {
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var serverHost string = server.Config.Server.Host
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serverHost = strings.TrimPrefix(serverHost, "http://")
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serverHost = strings.TrimPrefix(serverHost, "https://")
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req.URL.Scheme = "https"
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req.URL.Host = serverHost
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w.Header().Set("Strict-Transport-Security", "max-age=31536000")
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http.Redirect(w, req, req.URL.String(), http.StatusMovedPermanently)
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}
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func cacheDir() string {
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const base = "golang-autocert"
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if xdg := os.Getenv("XDG_CACHE_HOME"); xdg != "" {
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return filepath.Join(xdg, base)
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}
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return filepath.Join(os.Getenv("HOME"), ".cache", base)
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}
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