mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-24 09:20:31 +00:00
346 lines
7.9 KiB
Go
346 lines
7.9 KiB
Go
// Copyright 2023 Woodpecker Authors
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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 rpc
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import (
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"context"
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"encoding/json"
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"strings"
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"time"
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"github.com/rs/zerolog/log"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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backend "github.com/woodpecker-ci/woodpecker/pipeline/backend/types"
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"github.com/woodpecker-ci/woodpecker/pipeline/rpc"
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"github.com/woodpecker-ci/woodpecker/pipeline/rpc/proto"
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)
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var backoff = time.Second
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// set grpc version on compile time to compare against server version response
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const ClientGrpcVersion int32 = proto.Version
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type client struct {
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client proto.WoodpeckerClient
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conn *grpc.ClientConn
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}
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// NewGrpcClient returns a new grpc Client.
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func NewGrpcClient(conn *grpc.ClientConn) rpc.Peer {
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client := new(client)
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client.client = proto.NewWoodpeckerClient(conn)
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client.conn = conn
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return client
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}
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func (c *client) Close() error {
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return c.conn.Close()
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}
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// Version returns the server- & grpc-version
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func (c *client) Version(ctx context.Context) (*rpc.Version, error) {
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res, err := c.client.Version(ctx, &proto.Empty{})
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if err != nil {
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return nil, err
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}
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return &rpc.Version{
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GrpcVersion: res.GrpcVersion,
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ServerVersion: res.ServerVersion,
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}, nil
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}
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// Next returns the next pipeline in the queue.
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func (c *client) Next(ctx context.Context, f rpc.Filter) (*rpc.Pipeline, error) {
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var res *proto.NextResponse
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var err error
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req := new(proto.NextRequest)
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req.Filter = new(proto.Filter)
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req.Filter.Labels = f.Labels
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for {
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res, err = c.client.Next(ctx, req)
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if err == nil {
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break
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}
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// TODO: remove after adding continuous data exchange by something like #536
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if strings.Contains(err.Error(), "\"too_many_pings\"") {
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// https://github.com/woodpecker-ci/woodpecker/issues/717#issuecomment-1049365104
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log.Trace().Err(err).Msg("grpc: to many keepalive pings without sending data")
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} else {
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log.Err(err).Msgf("grpc error: done(): code: %v: %s", status.Code(err), err)
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}
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return nil, err
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}
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if ctx.Err() != nil {
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return nil, ctx.Err()
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}
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<-time.After(backoff)
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}
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if res.GetPipeline() == nil {
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return nil, nil
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}
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p := new(rpc.Pipeline)
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p.ID = res.GetPipeline().GetId()
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p.Timeout = res.GetPipeline().GetTimeout()
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p.Config = new(backend.Config)
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if err := json.Unmarshal(res.GetPipeline().GetPayload(), p.Config); err != nil {
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log.Error().Err(err).Msgf("could not unmarshal pipeline config of '%s'", p.ID)
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}
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return p, nil
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}
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// Wait blocks until the pipeline is complete.
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func (c *client) Wait(ctx context.Context, id string) (err error) {
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req := new(proto.WaitRequest)
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req.Id = id
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for {
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_, err = c.client.Wait(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: wait(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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// Init signals the pipeline is initialized.
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func (c *client) Init(ctx context.Context, id string, state rpc.State) (err error) {
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req := new(proto.InitRequest)
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req.Id = id
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req.State = new(proto.State)
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req.State.Error = state.Error
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req.State.ExitCode = int32(state.ExitCode)
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req.State.Exited = state.Exited
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req.State.Finished = state.Finished
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req.State.Started = state.Started
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req.State.Name = state.Step
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for {
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_, err = c.client.Init(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: init(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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// Done signals the pipeline is complete.
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func (c *client) Done(ctx context.Context, id string, state rpc.State) (err error) {
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req := new(proto.DoneRequest)
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req.Id = id
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req.State = new(proto.State)
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req.State.Error = state.Error
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req.State.ExitCode = int32(state.ExitCode)
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req.State.Exited = state.Exited
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req.State.Finished = state.Finished
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req.State.Started = state.Started
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req.State.Name = state.Step
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for {
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_, err = c.client.Done(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: done(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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// Extend extends the pipeline deadline
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func (c *client) Extend(ctx context.Context, id string) (err error) {
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req := new(proto.ExtendRequest)
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req.Id = id
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for {
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_, err = c.client.Extend(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: extend(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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// Update updates the pipeline state.
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func (c *client) Update(ctx context.Context, id string, state rpc.State) (err error) {
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req := new(proto.UpdateRequest)
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req.Id = id
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req.State = new(proto.State)
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req.State.Error = state.Error
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req.State.ExitCode = int32(state.ExitCode)
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req.State.Exited = state.Exited
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req.State.Finished = state.Finished
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req.State.Started = state.Started
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req.State.Name = state.Step
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for {
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_, err = c.client.Update(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: update(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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// Log writes the pipeline log entry.
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func (c *client) Log(ctx context.Context, id string, line *rpc.Line) (err error) {
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req := new(proto.LogRequest)
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req.Id = id
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req.Line = new(proto.Line)
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req.Line.Out = line.Out
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req.Line.Pos = int32(line.Pos)
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req.Line.Step = line.Step
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req.Line.Time = line.Time
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for {
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_, err = c.client.Log(ctx, req)
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if err == nil {
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break
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}
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log.Err(err).Msgf("grpc error: log(): code: %v: %s", status.Code(err), err)
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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return nil
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}
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func (c *client) RegisterAgent(ctx context.Context, platform, backend, version string, capacity int) (int64, error) {
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req := new(proto.RegisterAgentRequest)
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req.Platform = platform
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req.Backend = backend
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req.Version = version
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req.Capacity = int32(capacity)
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res, err := c.client.RegisterAgent(ctx, req)
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return res.GetAgentId(), err
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}
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func (c *client) ReportHealth(ctx context.Context) (err error) {
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req := new(proto.ReportHealthRequest)
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req.Status = "I am alive!"
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for {
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_, err = c.client.ReportHealth(ctx, req)
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if err == nil {
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return nil
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}
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switch status.Code(err) {
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case
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codes.Aborted,
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codes.DataLoss,
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codes.DeadlineExceeded,
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codes.Internal,
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codes.Unavailable:
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// non-fatal errors
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default:
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return err
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}
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<-time.After(backoff)
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}
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}
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