-
Notifications
You must be signed in to change notification settings - Fork 9
/
ingress.go
140 lines (118 loc) · 3.99 KB
/
ingress.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
// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package kubernetes
import (
"context"
"fmt"
"io"
"google.golang.org/protobuf/types/known/anypb"
"namespacelabs.dev/foundation/internal/console"
"namespacelabs.dev/foundation/internal/planning/constants"
"namespacelabs.dev/foundation/internal/runtime"
"namespacelabs.dev/foundation/internal/runtime/kubernetes/kubeobserver"
"namespacelabs.dev/foundation/internal/runtime/kubernetes/networking/ingress"
"namespacelabs.dev/foundation/internal/runtime/kubernetes/networking/ingress/nginx"
fnschema "namespacelabs.dev/foundation/schema"
)
func planIngress(ctx context.Context, r clusterTarget, stack *fnschema.Stack, allFragments []*fnschema.IngressFragment) (*runtime.DeploymentPlan, error) {
var state runtime.DeploymentPlan
cleanup, err := anypb.New(&ingress.OpCleanupMigration{Namespace: r.namespace})
if err != nil {
return nil, err
}
state.Definitions = append(state.Definitions, &fnschema.SerializedInvocation{
Description: "Ingress migration cleanup",
Impl: cleanup,
})
certSecretMap, secrets := ingress.MakeCertificateSecrets(r.namespace, allFragments)
for _, apply := range secrets {
// XXX we could actually collect which servers refer what certs, to use as scope.
def, err := apply.ToDefinition()
if err != nil {
return nil, err
}
state.Definitions = append(state.Definitions, def)
}
// XXX ensure that any single domain is only used by a single ingress.
var allManaged ingress.MapAddressList
for _, srv := range stack.Entry {
var frags []*fnschema.IngressFragment
for _, fr := range allFragments {
if srv.GetPackageName().Equals(fr.Owner) {
frags = append(frags, fr)
}
}
if len(frags) == 0 {
continue
}
defs, managed, err := ingress.PlanIngress(ctx, r.namespace, r.env, srv.Server, frags, certSecretMap)
if err != nil {
return nil, err
}
for _, apply := range defs {
def, err := apply.ToDefinition(srv.GetPackageName())
if err != nil {
return nil, err
}
state.Definitions = append(state.Definitions, def)
}
if err := allManaged.Merge(managed); err != nil {
return nil, err
}
}
// XXX this could be reduced in effort (e.g. batched).
for _, frag := range allManaged.Sorted() {
impl, err := anypb.New(&ingress.OpMapAddress{
Fdqn: frag.FQDN,
IngressNs: frag.Ingress.Namespace,
IngressName: frag.Ingress.Name,
})
if err != nil {
return nil, err
}
state.Definitions = append(state.Definitions, &fnschema.SerializedInvocation{
Description: fmt.Sprintf("Update %s's address", frag.FQDN),
Impl: impl,
})
}
return &state, nil
}
func (r *Cluster) ForwardIngress(ctx context.Context, localAddrs []string, localPort int, notify runtime.PortForwardedFunc) (io.Closer, error) {
svc := nginx.IngressLoadBalancerService()
ctxWithCancel, cancel := context.WithCancel(ctx)
obs := kubeobserver.NewPodObserver(ctxWithCancel, r.cli, svc.Namespace, nginx.ControllerSelector())
go func() {
if err := r.StartAndBlockPortFwd(ctxWithCancel, StartAndBlockPortFwdArgs{
Namespace: svc.Namespace,
Identifier: "ingress",
LocalAddrs: localAddrs,
LocalPort: localPort,
ContainerPort: svc.ContainerPort,
PodResolver: obs,
ReportPorts: func(p runtime.ForwardedPort) {
notify(runtime.ForwardedPortEvent{
Added: []runtime.ForwardedPort{{
LocalPort: p.LocalPort,
ContainerPort: p.ContainerPort,
}},
Endpoint: &fnschema.Endpoint{
ServiceName: constants.IngressServiceName,
ServiceMetadata: []*fnschema.ServiceMetadata{{
Protocol: "http",
Kind: constants.IngressServiceKind,
}},
},
})
},
}); err != nil {
fmt.Fprintf(console.Errors(ctx), "ingress forwarding failed: %v\n", err)
}
}()
return closerCallback(cancel), nil
}
type closerCallback func()
func (c closerCallback) Close() error {
c()
return nil
}