/
machines_releasecommand.go
240 lines (209 loc) · 8.97 KB
/
machines_releasecommand.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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
package deploy
import (
"context"
"errors"
"fmt"
"net/http"
"strconv"
"strings"
"time"
"github.com/samber/lo"
fly "github.com/superfly/fly-go"
"github.com/superfly/fly-go/flaps"
"github.com/superfly/flyctl/helpers"
"github.com/superfly/flyctl/internal/appconfig"
"github.com/superfly/flyctl/internal/machine"
"github.com/superfly/flyctl/internal/statuslogger"
"github.com/superfly/flyctl/internal/tracing"
"go.opentelemetry.io/otel/trace"
)
func (md *machineDeployment) runReleaseCommand(ctx context.Context) (err error) {
ctx, span := tracing.GetTracer().Start(ctx, "run_release_cmd")
defer func() {
if err != nil {
tracing.RecordError(span, err, "failed to run release_cmd")
}
span.End()
}()
if md.appConfig.Deploy == nil || md.appConfig.Deploy.ReleaseCommand == "" {
span.AddEvent("no release command")
return nil
}
fmt.Fprintf(md.io.ErrOut, "Running %s release_command: %s\n",
md.colorize.Bold(md.app.Name),
md.appConfig.Deploy.ReleaseCommand,
)
ctx, loggerCleanup := statuslogger.SingleLine(ctx, true)
defer func() {
if err != nil {
statuslogger.Failed(ctx, err)
}
loggerCleanup(false)
}()
err = md.createOrUpdateReleaseCmdMachine(ctx)
if err != nil {
tracing.RecordError(span, err, "failed to create release cmd machine")
return fmt.Errorf("error running release_command machine: %w", err)
}
releaseCmdMachine := md.releaseCommandMachine.GetMachines()[0]
// FIXME: consolidate this wait stuff with deploy waits? Especially once we improve the outpu
err = md.waitForReleaseCommandToFinish(ctx, releaseCmdMachine)
if err != nil {
tracing.RecordError(span, err, "failed to wait for release cmd machine")
return err
}
lastExitEvent, err := releaseCmdMachine.WaitForEventTypeAfterType(ctx, "exit", "start", md.releaseCmdTimeout, true)
if err != nil {
return fmt.Errorf("error finding the release_command machine %s exit event: %w", releaseCmdMachine.Machine().ID, err)
}
exitCode, err := lastExitEvent.Request.GetExitCode()
if err != nil {
return fmt.Errorf("error get release_command machine %s exit code: %w", releaseCmdMachine.Machine().ID, err)
}
if exitCode != 0 {
statuslogger.LogStatus(ctx, statuslogger.StatusFailure, "release_command failed")
// Preemptive cleanup of the logger so that the logs have a clean place to write to
loggerCleanup(false)
time.Sleep(2 * time.Second) // Wait 2 secs to be sure logs have reached OpenSearch
fmt.Fprintf(md.io.ErrOut, "Error release_command failed running on machine %s with exit code %s.\n",
md.colorize.Bold(releaseCmdMachine.Machine().ID), md.colorize.Red(strconv.Itoa(exitCode)))
fmt.Fprintf(md.io.ErrOut, "Check its logs: here's the last 100 lines below, or run 'fly logs -i %s':\n",
releaseCmdMachine.Machine().ID)
releaseCmdLogs, _, err := md.apiClient.GetAppLogs(ctx, md.app.Name, "", md.appConfig.PrimaryRegion, releaseCmdMachine.Machine().ID)
if fly.IsNotAuthenticatedError(err) {
fmt.Fprintf(md.io.ErrOut, "Warn: not authorized to retrieve app logs (this can happen when using deploy tokens), so we can't show you what failed. Use `fly logs -i %s` or open the monitoring dashboard to see them: https://fly.io/apps/%s/monitoring?region=&instance=%s\n", releaseCmdMachine.Machine().ID, md.appConfig.AppName, releaseCmdMachine.Machine().ID)
} else {
if err != nil {
return fmt.Errorf("error getting release_command logs: %w", err)
}
for _, l := range releaseCmdLogs {
fmt.Fprintf(md.io.ErrOut, " %s\n", l.Message)
}
}
return fmt.Errorf("error release_command machine %s exited with non-zero status of %d", releaseCmdMachine.Machine().ID, exitCode)
}
statuslogger.LogfStatus(ctx,
statuslogger.StatusSuccess,
"release_command %s completed successfully",
md.colorize.Bold(releaseCmdMachine.Machine().ID),
)
return nil
}
// dedicatedHostIdMismatch checks if the dedicatedHostID on a machine is the same as the one set in the fly.toml
// a mismatch will result in a delete+recreate op
func dedicatedHostIdMismatch(m *fly.Machine, ac *appconfig.Config) bool {
return strings.TrimSpace(ac.HostDedicationID) != "" && m.Config.Guest.HostDedicationID != ac.HostDedicationID
}
func (md *machineDeployment) createOrUpdateReleaseCmdMachine(ctx context.Context) error {
span := trace.SpanFromContext(ctx)
if md.releaseCommandMachine.IsEmpty() {
return md.createReleaseCommandMachine(ctx)
}
releaseCmdMachine := md.releaseCommandMachine.GetMachines()[0]
if dedicatedHostIdMismatch(releaseCmdMachine.Machine(), md.appConfig) {
span.AddEvent("dedicated hostid mismatch")
if err := releaseCmdMachine.Destroy(ctx, true); err != nil {
return fmt.Errorf("error destroying release_command machine: %w", err)
}
return md.createReleaseCommandMachine(ctx)
}
return md.updateReleaseCommandMachine(ctx)
}
func (md *machineDeployment) createReleaseCommandMachine(ctx context.Context) error {
ctx, span := tracing.GetTracer().Start(ctx, "create_release_cmd_machine")
defer span.End()
launchInput := md.launchInputForReleaseCommand(nil)
releaseCmdMachine, err := md.flapsClient.Launch(ctx, *launchInput)
if err != nil {
tracing.RecordError(span, err, "failed to get ip addresses")
return fmt.Errorf("error creating a release_command machine: %w", err)
}
statuslogger.Logf(ctx, "Created release_command machine %s", md.colorize.Bold(releaseCmdMachine.ID))
md.releaseCommandMachine = machine.NewMachineSet(md.flapsClient, md.io, []*fly.Machine{releaseCmdMachine})
return nil
}
func (md *machineDeployment) updateReleaseCommandMachine(ctx context.Context) error {
ctx, span := tracing.GetTracer().Start(ctx, "update_release_cmd_machine")
defer span.End()
releaseCmdMachine := md.releaseCommandMachine.GetMachines()[0]
fmt.Fprintf(md.io.ErrOut, " Updating release_command machine %s\n", md.colorize.Bold(releaseCmdMachine.Machine().ID))
if err := releaseCmdMachine.WaitForState(ctx, fly.MachineStateStopped, md.waitTimeout, false); err != nil {
err = suggestChangeWaitTimeout(err, "wait-timeout")
return err
}
if err := md.releaseCommandMachine.AcquireLeases(ctx, md.leaseTimeout); err != nil {
return err
}
defer md.releaseCommandMachine.ReleaseLeases(ctx) // skipcq: GO-S2307
md.releaseCommandMachine.StartBackgroundLeaseRefresh(ctx, md.leaseTimeout, md.leaseDelayBetween)
launchInput := md.launchInputForReleaseCommand(releaseCmdMachine.Machine())
if err := releaseCmdMachine.Update(ctx, *launchInput); err != nil {
return fmt.Errorf("error updating release_command machine: %w", err)
}
return nil
}
func (md *machineDeployment) launchInputForReleaseCommand(origMachineRaw *fly.Machine) *fly.LaunchMachineInput {
if origMachineRaw == nil {
origMachineRaw = &fly.Machine{
Region: md.appConfig.PrimaryRegion,
}
}
// We can ignore the error because ToReleaseMachineConfig fails only
// if it can't split the command and we test that at initialization
mConfig, _ := md.appConfig.ToReleaseMachineConfig()
mConfig.Guest = md.inferReleaseCommandGuest()
mConfig.Image = md.img
md.setMachineReleaseData(mConfig)
if hdid := md.appConfig.HostDedicationID; hdid != "" {
mConfig.Guest.HostDedicationID = hdid
}
return &fly.LaunchMachineInput{
Config: mConfig,
Region: origMachineRaw.Region,
}
}
func (md *machineDeployment) inferReleaseCommandGuest() *fly.MachineGuest {
defaultGuest := fly.MachinePresets[fly.DefaultVMSize]
desiredGuest := fly.MachinePresets["shared-cpu-2x"]
if mg := md.machineGuest; mg != nil && (mg.CPUKind != defaultGuest.CPUKind || mg.CPUs != defaultGuest.CPUs || mg.MemoryMB != defaultGuest.MemoryMB) {
desiredGuest = mg
}
if !md.machineSet.IsEmpty() {
group := md.appConfig.DefaultProcessName()
ram := func(m *fly.Machine) int {
if m != nil && m.Config != nil && m.Config.Guest != nil {
return m.Config.Guest.MemoryMB
}
return 0
}
maxRamMach := lo.Reduce(md.machineSet.GetMachines(), func(prevBest *fly.Machine, lm machine.LeasableMachine, _ int) *fly.Machine {
mach := lm.Machine()
if mach.ProcessGroup() != group {
return prevBest
}
return lo.Ternary(ram(mach) > ram(prevBest), mach, prevBest)
}, nil)
if maxRamMach != nil {
desiredGuest = maxRamMach.Config.Guest
}
}
return helpers.Clone(desiredGuest)
}
func (md *machineDeployment) waitForReleaseCommandToFinish(ctx context.Context, releaseCmdMachine machine.LeasableMachine) error {
err := releaseCmdMachine.WaitForState(ctx, fly.MachineStateStarted, md.waitTimeout, false)
if err != nil {
var flapsErr *flaps.FlapsError
if errors.As(err, &flapsErr) && flapsErr.ResponseStatusCode == http.StatusNotFound {
// The machine exited and was destroyed quickly.
return nil
}
err = suggestChangeWaitTimeout(err, "wait-timeout")
return fmt.Errorf("error waiting for release_command machine %s to start: %w", releaseCmdMachine.Machine().ID, err)
}
err = releaseCmdMachine.WaitForState(ctx, fly.MachineStateDestroyed, md.releaseCmdTimeout, true)
if err != nil {
err = suggestChangeWaitTimeout(err, "release-command-timeout")
return fmt.Errorf("error waiting for release_command machine %s to finish running: %w", releaseCmdMachine.Machine().ID, err)
}
return nil
}