/
runner.go
177 lines (152 loc) · 3.6 KB
/
runner.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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
package runner
import (
"io/ioutil"
"sync"
"github.com/hashicorp/go-hclog"
"github.com/umbracle/vesta/internal/client/runner/allocrunner"
"github.com/umbracle/vesta/internal/client/runner/docker"
"github.com/umbracle/vesta/internal/client/runner/hooks"
"github.com/umbracle/vesta/internal/client/runner/state"
proto "github.com/umbracle/vesta/internal/client/runner/structs"
)
type Config struct {
Logger hclog.Logger
Volume *HostVolume
AllocStateUpdated allocrunner.StateUpdater
State state.State
Hooks []hooks.TaskHookFactory
}
type HostVolume struct {
Path string
}
type Runner struct {
config *Config
logger hclog.Logger
state state.State
driver *docker.Docker
allocs map[string]*allocrunner.AllocRunner
hooks []hooks.TaskHookFactory
}
func NewRunner(config *Config) (*Runner, error) {
logger := config.Logger
if logger == nil {
logger = hclog.NewNullLogger()
}
if config.Volume == nil {
tmpDir, err := ioutil.TempDir("/tmp", "vesta-")
if err != nil {
return nil, err
}
config.Volume = &HostVolume{
Path: tmpDir,
}
logger.Info("volume not set, using temporal location", "path", tmpDir)
} else {
logger.Info("volume path set", "path", config.Volume.Path)
}
driver, err := docker.NewDockerDriver(logger, "vesta")
if err != nil {
return nil, err
}
r := &Runner{
logger: logger,
config: config,
driver: driver,
allocs: map[string]*allocrunner.AllocRunner{},
hooks: config.Hooks,
}
if err := r.initState(); err != nil {
return nil, err
}
return r, nil
}
func (r *Runner) initState() error {
if r.config.State != nil {
r.state = r.config.State
} else {
state, err := state.NewBoltdbStore("client.db")
if err != nil {
return err
}
r.state = state
}
allocs, err := r.state.GetAllocations()
if err != nil {
return err
}
for _, alloc := range allocs {
config := &allocrunner.Config{
Alloc: alloc,
Logger: r.logger,
State: r.state,
StateUpdater: r.config.AllocStateUpdated,
Driver: r.driver,
Hooks: r.hooks,
ClientVolumeDir: r.config.Volume.Path,
}
handle, err := allocrunner.NewAllocRunner(config)
if err != nil {
panic(err)
}
r.allocs[alloc.Deployment.Name] = handle
if err := handle.Restore(); err != nil {
return err
}
}
for _, a := range r.allocs {
go a.Run()
}
return nil
}
func (r *Runner) UpsertDeployment(deployment *proto.Deployment) {
handle, ok := r.allocs[deployment.Name]
if ok {
if deployment.Sequence > handle.Alloc().Deployment.Sequence {
// update
handle.Update(deployment)
}
// TODO: Save the allocation again (handle race)
if err := r.state.PutAllocation(handle.Alloc()); err != nil {
panic(err)
}
} else {
// create
alloc := &proto.Allocation{
Deployment: deployment,
}
if err := r.state.PutAllocation(alloc); err != nil {
panic(err)
}
config := &allocrunner.Config{
Alloc: alloc,
Logger: r.logger,
State: r.state,
StateUpdater: r.config.AllocStateUpdated,
Driver: r.driver,
Hooks: r.hooks,
ClientVolumeDir: r.config.Volume.Path,
}
var err error
if handle, err = allocrunner.NewAllocRunner(config); err != nil {
panic(err)
}
r.allocs[alloc.Deployment.Name] = handle
go handle.Run()
}
}
func (r *Runner) Shutdown() error {
wg := sync.WaitGroup{}
for _, tr := range r.allocs {
wg.Add(1)
go func(tr *allocrunner.AllocRunner) {
tr.Shutdown()
<-tr.ShutdownCh()
wg.Done()
}(tr)
}
wg.Wait()
if err := r.state.Close(); err != nil {
return err
}
return nil
}