-
Notifications
You must be signed in to change notification settings - Fork 290
/
synclet_build_and_deployer.go
125 lines (101 loc) · 3.78 KB
/
synclet_build_and_deployer.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
package engine
import (
"context"
"fmt"
"github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"github.com/windmilleng/tilt/internal/build"
"github.com/windmilleng/tilt/internal/ignore"
"github.com/windmilleng/tilt/internal/model"
"github.com/windmilleng/tilt/internal/store"
)
var _ BuildAndDeployer = &SyncletBuildAndDeployer{}
type SyncletBuildAndDeployer struct {
sm SyncletManager
}
func NewSyncletBuildAndDeployer(sm SyncletManager) *SyncletBuildAndDeployer {
return &SyncletBuildAndDeployer{
sm: sm,
}
}
func (sbd *SyncletBuildAndDeployer) BuildAndDeploy(ctx context.Context, specs []model.TargetSpec, stateSet store.BuildStateSet) (store.BuildResultSet, error) {
iTargets, kTargets := extractImageAndK8sTargets(specs)
if len(kTargets) != 1 || len(iTargets) != 1 {
return store.BuildResultSet{}, RedirectToNextBuilderf(
"SyncletBuildAndDeployer requires exactly one image spec and one k8s deploy spec")
}
span, ctx := opentracing.StartSpanFromContext(ctx, "SyncletBuildAndDeployer-BuildAndDeploy")
span.SetTag("target", kTargets[0].Name)
defer span.Finish()
iTarget := iTargets[0]
state := stateSet[iTarget.ID()]
if err := sbd.canSyncletBuild(ctx, iTarget, state); err != nil {
return store.BuildResultSet{}, WrapRedirectToNextBuilder(err)
}
return sbd.updateViaSynclet(ctx, iTarget, state)
}
// canSyncletBuild returns an error if we CAN'T build this manifest via the synclet
func (sbd *SyncletBuildAndDeployer) canSyncletBuild(ctx context.Context,
image model.ImageTarget, state store.BuildState) error {
// SyncletBuildAndDeployer doesn't support initial build
if state.IsEmpty() {
return fmt.Errorf("prev. build state is empty; synclet build does not support initial deploy")
}
if !image.IsFastBuild() {
return fmt.Errorf("container build only supports FastBuilds")
}
// Can't do container update if we don't know what container manifest is running in.
if state.DeployInfo.Empty() {
return fmt.Errorf("no deploy info")
}
return nil
}
func (sbd *SyncletBuildAndDeployer) updateViaSynclet(ctx context.Context,
image model.ImageTarget, state store.BuildState) (store.BuildResultSet, error) {
paths, err := build.FilesToPathMappings(
state.FilesChanged(), image.FastBuildInfo().Mounts)
if err != nil {
return store.BuildResultSet{}, err
}
// archive files to copy to container
ab := build.NewArchiveBuilder(ignore.CreateBuildContextFilter(image))
err = ab.ArchivePathsIfExist(ctx, paths)
if err != nil {
return store.BuildResultSet{}, errors.Wrap(err, "archivePathsIfExists")
}
archive, err := ab.BytesBuffer()
if err != nil {
return store.BuildResultSet{}, err
}
// get files to rm
toRemove, err := build.MissingLocalPaths(ctx, paths)
if err != nil {
return store.BuildResultSet{}, errors.Wrap(err, "missingLocalPaths")
}
// TODO(maia): can refactor MissingLocalPaths to just return ContainerPaths?
containerPathsToRm := build.PathMappingsToContainerPaths(toRemove)
deployInfo := state.DeployInfo
if deployInfo.Empty() {
return store.BuildResultSet{}, fmt.Errorf("no deploy info")
}
cmds, err := build.BoilSteps(image.FastBuildInfo().Steps, paths)
if err != nil {
return store.BuildResultSet{}, err
}
sCli, err := sbd.sm.ClientForPod(ctx, deployInfo.PodID, deployInfo.Namespace)
if err != nil {
return store.BuildResultSet{}, err
}
err = sCli.UpdateContainer(ctx, deployInfo.ContainerID, archive.Bytes(), containerPathsToRm, cmds)
if err != nil {
if build.IsUserBuildFailure(err) {
return store.BuildResultSet{}, WrapDontFallBackError(err)
}
return store.BuildResultSet{}, err
}
res := state.LastResult.ShallowCloneForContainerUpdate(state.FilesChangedSet)
res.ContainerID = deployInfo.ContainerID // the container we deployed on top of
resultSet := store.BuildResultSet{}
resultSet[image.ID()] = res
return resultSet, nil
}