-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathprogram_observer_test.go
More file actions
141 lines (130 loc) · 6.35 KB
/
Copy pathprogram_observer_test.go
File metadata and controls
141 lines (130 loc) · 6.35 KB
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
package boatstack
import (
"context"
"encoding/json"
"errors"
"strings"
"testing"
"time"
"github.com/operatorstack/boatstack/boatstack/core"
"github.com/operatorstack/boatstack/boatstack/delivery"
"github.com/operatorstack/boatstack/boatstack/flow/standard"
"github.com/operatorstack/boatstack/boatstack/internal/softwaredelivery/model"
"github.com/operatorstack/boatstack/boatstack/internal/softwaredelivery/ports"
)
type fixedObservation struct{ value model.Observation }
func (o fixedObservation) Observe(context.Context, ports.ObservationRequest) (model.Observation, error) {
return o.value, nil
}
func TestRuntimeErrorPreservesBoundedClassAndMessage(t *testing.T) {
extension := delivery.CompiledExtension{
Identity: delivery.ComponentIdentity{ID: "example.runtime", Version: "1.0.0"},
}
err := validateExtensionResponse(extension, delivery.ExtensionObserveOperation, "correlation", delivery.ExtensionResponse{
ProtocolVersion: delivery.ExtensionProtocolVersion, Operation: delivery.ExtensionObserveOperation,
ExtensionID: "example.runtime", ExtensionVersion: "1.0.0", CorrelationID: "correlation",
ErrorClass: "temporary", Error: "provider response was incomplete",
})
var runtimeErr ComponentRuntimeError
if !errors.As(err, &runtimeErr) || runtimeErr.Class != "temporary" || runtimeErr.Message != "provider response was incomplete" {
t.Fatalf("runtime error detail was lost: %#v (%v)", runtimeErr, err)
}
}
type isolatedObservationExtension struct {
id string
forbid string
sawFact *bool
executable bool
calls *int
}
func (e isolatedObservationExtension) ExtensionManifest(context.Context) (delivery.ExtensionManifest, error) {
manifest := delivery.ExtensionManifest{
ID: e.id, Version: "1.0.0", ProtocolVersion: delivery.ExtensionProtocolVersion,
SettingsSchema: json.RawMessage(`{"type":"object"}`), Facts: []string{e.id + ".fact"},
Capabilities: []delivery.Capability{delivery.CapabilityCommandExecute},
PrivacyClassification: "metadata-only", TelemetryClassification: "transition-receipt",
}
if e.executable {
manifest.ExecutableSHA256 = strings.Repeat("a", 64)
}
return manifest, nil
}
func (e isolatedObservationExtension) Runtime() delivery.ExtensionRuntime { return e }
func (e isolatedObservationExtension) Invoke(_ context.Context, request delivery.ExtensionRequest) (delivery.ExtensionResponse, error) {
if e.calls != nil {
*e.calls++
}
var projection struct {
ExtensionFacts map[string]json.RawMessage `json:"extension_facts"`
}
if err := json.Unmarshal(request.Snapshot, &projection); err != nil {
return delivery.ExtensionResponse{}, err
}
_, *e.sawFact = projection.ExtensionFacts[e.forbid]
return delivery.ExtensionResponse{
ProtocolVersion: delivery.ExtensionProtocolVersion, Operation: request.Operation,
ExtensionID: e.id, ExtensionVersion: "1.0.0", CorrelationID: request.CorrelationID,
Facts: []delivery.ExtensionFact{{ID: e.id + ".fact", Status: delivery.FactKnown, Value: "observed", Fingerprint: e.id + "-fingerprint"}},
}, nil
}
func TestExecutableExtensionObservationWaitsForVerifiedProgramBinding(t *testing.T) {
// control-law: repository-selected-code-is-inert-before-exact-program-admission
var calls int
var sawFact bool
extension := isolatedObservationExtension{id: "example.external", sawFact: &sawFact, executable: true, calls: &calls}
program, err := delivery.Compile(context.Background(), delivery.CompileRequest{
KernelVersion: "test-kernel", Core: core.System(), Runtime: standard.Definition(), Extensions: []delivery.Extension{extension},
})
if err != nil {
t.Fatal(err)
}
invocation := model.InvocationContext{Correlation: "pre-admission-gate"}
base := model.Observation{
Invocation: invocation, ObservedAt: time.Unix(100, 0).UTC(),
Configuration: model.Known(model.ConfigurationVerified, model.Evidence{Source: "test", Fingerprint: "configuration", ObservedAt: time.Unix(100, 0).UTC()}),
}
observer := programObserver{base: fixedObservation{value: base}, program: program}
observed, err := observer.Observe(context.Background(), ports.ObservationRequest{Invocation: invocation, Capabilities: []delivery.Capability{delivery.CapabilityCommandExecute}})
if err != nil {
t.Fatal(err)
}
if calls != 0 || len(observed.ExtensionFacts) != 0 {
t.Fatalf("unbound program executed extension: calls=%d facts=%#v", calls, observed.ExtensionFacts)
}
base.RecordedProgramFingerprint = program.Fingerprint()
observer.base = fixedObservation{value: base}
observed, err = observer.Observe(context.Background(), ports.ObservationRequest{Invocation: invocation, Capabilities: []delivery.Capability{delivery.CapabilityCommandExecute}})
if err != nil {
t.Fatal(err)
}
if calls != 1 || observed.ExtensionFacts["example.external.fact"].Value != "observed" {
t.Fatalf("verified binding did not execute extension once: calls=%d facts=%#v", calls, observed.ExtensionFacts)
}
}
func TestExtensionObserversConsumeOneOrderIndependentProjection(t *testing.T) {
// control-law: extension-observation-order-cannot-create-cross-extension-facts
var alphaSawBeta, betaSawAlpha bool
alpha := isolatedObservationExtension{id: "example.alpha", forbid: "example.beta.fact", sawFact: &alphaSawBeta}
beta := isolatedObservationExtension{id: "example.beta", forbid: "example.alpha.fact", sawFact: &betaSawAlpha}
program, err := delivery.Compile(context.Background(), delivery.CompileRequest{
KernelVersion: "test-kernel", Core: core.System(), Runtime: standard.Definition(),
Extensions: []delivery.Extension{beta, alpha},
})
if err != nil {
t.Fatal(err)
}
invocation := model.InvocationContext{Correlation: "observation-order"}
observed, err := (programObserver{
base: fixedObservation{value: model.Observation{Invocation: invocation, ObservedAt: time.Unix(100, 0).UTC()}},
program: program,
}).Observe(context.Background(), ports.ObservationRequest{Invocation: invocation, Capabilities: []delivery.Capability{delivery.CapabilityCommandExecute}})
if err != nil {
t.Fatal(err)
}
if alphaSawBeta || betaSawAlpha {
t.Fatalf("extension observer consumed another extension's invocation-order fact: alpha=%v beta=%v", alphaSawBeta, betaSawAlpha)
}
if len(observed.ExtensionFacts) != 2 || observed.ExtensionFacts["example.alpha.fact"].Value != "observed" || observed.ExtensionFacts["example.beta.fact"].Value != "observed" {
t.Fatalf("final layered observation lost extension facts: %#v", observed.ExtensionFacts)
}
}