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Copy pathoxide_test.go
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456 lines (407 loc) · 16 KB
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
// Copyright 2024 Oxide Computer Company
package main
import (
"context"
"net/http"
"net/http/httptest"
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/oxidecomputer/oxide.go/oxide"
"github.com/rancher/machine/commands/commandstest"
"github.com/rancher/machine/libmachine/state"
)
var _ = Describe("Driver", func() {
var SUT *Driver
var opts *commandstest.FakeFlagger
BeforeEach(func() {
SUT = newDriver("bob", "path")
opts = defaultMockDriverOptions()
})
Describe("SetConfigFromFlags", func() {
It("should succeed when all required fields are given", func() {
Expect(SUT.SetConfigFromFlags(opts)).To(Succeed())
})
Describe("errors", func() {
DescribeTable("should fail when a required string field is missing",
func(fields []string) {
for _, field := range fields {
opts.Data[field] = ""
}
err := SUT.SetConfigFromFlags(opts)
Expect(err).To(HaveOccurred())
},
Entry("host", []string{flagHost}),
Entry("token", []string{flagToken}),
Entry("project", []string{flagProject}),
Entry("diskImageId", []string{flagBootDiskImageID}),
Entry("sshUser", []string{flagSSHUser}),
)
It("should fail when nothing is given", func() {
err := SUT.SetConfigFromFlags(&commandstest.FakeFlagger{
Data: map[string]any{},
})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("required option \"oxide-host\" not set"))
Expect(err.Error()).To(ContainSubstring("required option \"oxide-token\" not set"))
Expect(err.Error()).To(ContainSubstring("required option \"oxide-project\" not set"))
Expect(err.Error()).To(ContainSubstring("required option \"oxide-boot-disk-image-id\" not set"))
Expect(err.Error()).To(ContainSubstring("required option \"oxide-ssh-user\" not set"))
})
})
})
Describe("PreCreateCheck", func() {
It("should validate every anti-affinity group", func() {
requestedGroups := []string{}
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Expect(r.Method).To(Equal(http.MethodGet))
Expect(r.URL.Query().Get("project")).To(Equal("project"))
requestedGroups = append(requestedGroups, r.URL.Path)
_, _ = w.Write([]byte(`{}`))
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.Project = "project"
SUT.AntiAffinityGroups = []string{"data", "workers"}
Expect(SUT.PreCreateCheck()).To(Succeed())
Expect(requestedGroups).To(ConsistOf(
"/v1/anti-affinity-groups/data",
"/v1/anti-affinity-groups/workers",
))
})
It("should validate an anti-affinity group ID without specifying a project", func() {
const groupID = "4b92e59d-bd20-4a8a-8d78-a154411c06cd"
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Expect(r.Method).To(Equal(http.MethodGet))
Expect(r.URL.Path).To(Equal("/v1/anti-affinity-groups/" + groupID))
Expect(r.URL.Query()).NotTo(HaveKey("project"))
_, _ = w.Write([]byte(`{}`))
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.Project = "project"
SUT.AntiAffinityGroups = []string{groupID}
Expect(SUT.PreCreateCheck()).To(Succeed())
})
It("should identify a missing anti-affinity group", func() {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
http.Error(w, "not found", http.StatusNotFound)
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.Project = "project"
SUT.AntiAffinityGroups = []string{"missing"}
err := SUT.PreCreateCheck()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(`anti-affinity group "missing" does not exist in project "project"`))
})
})
Describe("Remove", func() {
It("should retry removal after a transient failure", func() {
sshKeyExists := true
instanceExists := true
bootDiskExists := true
additionalDiskExists := true
instanceDeleteAttempts := 0
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodPost && r.URL.Path == "/v1/instances/instance-id/stop":
if !instanceExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
_, _ = w.Write([]byte("{}"))
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id":
if !instanceExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
_, _ = w.Write([]byte(`{"run_state":"stopped"}`))
case r.Method == http.MethodDelete && r.URL.Path == "/v1/me/ssh-keys/ssh-key-id":
if !sshKeyExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
sshKeyExists = false
w.WriteHeader(http.StatusNoContent)
case r.Method == http.MethodDelete && r.URL.Path == "/v1/instances/instance-id":
instanceDeleteAttempts++
if instanceDeleteAttempts == 1 {
http.Error(w, "failed deleting instance", http.StatusInternalServerError)
return
}
if !instanceExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
instanceExists = false
w.WriteHeader(http.StatusNoContent)
case r.Method == http.MethodDelete && r.URL.Path == "/v1/disks/boot-disk-id":
if !bootDiskExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
bootDiskExists = false
w.WriteHeader(http.StatusNoContent)
case r.Method == http.MethodDelete && r.URL.Path == "/v1/disks/additional-disk-id":
if !additionalDiskExists {
http.Error(w, "not found", http.StatusNotFound)
return
}
additionalDiskExists = false
w.WriteHeader(http.StatusNoContent)
default:
http.Error(w, "unexpected request", http.StatusInternalServerError)
}
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.SSHPublicKeyID = "ssh-key-id"
SUT.InstanceID = "instance-id"
SUT.BootDiskID = "boot-disk-id"
SUT.AdditionalDiskIDs = []string{"additional-disk-id"}
Expect(SUT.Remove()).To(Succeed())
Expect(sshKeyExists).To(BeFalse())
Expect(instanceExists).To(BeFalse())
Expect(bootDiskExists).To(BeFalse())
Expect(additionalDiskExists).To(BeFalse())
Expect(instanceDeleteAttempts).To(Equal(2))
Expect(SUT.Remove()).To(Succeed())
})
It("should keep polling after transient stop and state failures", func() {
stopAttempts := 0
stateAttempts := 0
instanceDeleted := false
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodPost && r.URL.Path == "/v1/instances/instance-id/stop":
stopAttempts++
http.Error(w, "temporarily unavailable", http.StatusServiceUnavailable)
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id":
stateAttempts++
if stateAttempts <= retryAttempts+1 {
http.Error(w, "temporarily unavailable", http.StatusServiceUnavailable)
return
}
_, _ = w.Write([]byte(`{"run_state":"stopped"}`))
case r.Method == http.MethodDelete && r.URL.Path == "/v1/instances/instance-id":
instanceDeleted = true
w.WriteHeader(http.StatusNoContent)
default:
http.Error(w, "unexpected request", http.StatusInternalServerError)
}
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
Expect(SUT.Remove()).To(Succeed())
Expect(stopAttempts).To(Equal(retryAttempts))
Expect(stateAttempts).To(Equal(retryAttempts + 2))
Expect(instanceDeleted).To(BeTrue())
})
It("should attempt every resource after permanent deletion failures", func() {
deleteRequests := make(map[string]int)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodPost && r.URL.Path == "/v1/instances/instance-id/stop":
_, _ = w.Write([]byte("{}"))
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id":
_, _ = w.Write([]byte(`{"run_state":"stopped"}`))
case r.Method == http.MethodDelete:
deleteRequests[r.URL.Path]++
http.Error(w, "invalid request", http.StatusBadRequest)
default:
http.Error(w, "unexpected request", http.StatusInternalServerError)
}
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.SSHPublicKeyID = "ssh-key-id"
SUT.InstanceID = "instance-id"
SUT.BootDiskID = "boot-disk-id"
SUT.AdditionalDiskIDs = []string{"additional-disk-id"}
err := SUT.Remove()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("failed deleting SSH key"))
Expect(err.Error()).To(ContainSubstring("failed deleting instance"))
Expect(err.Error()).To(ContainSubstring("failed deleting boot disk"))
Expect(err.Error()).To(ContainSubstring("failed deleting additional disk"))
Expect(deleteRequests).To(HaveLen(4))
for _, requests := range deleteRequests {
Expect(requests).To(Equal(1))
}
})
It("should recover missing additional disk IDs before deletion", func() {
additionalDiskDeleted := false
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id/disks":
_, _ = w.Write([]byte(`{"items":[{"id":"additional-disk-id","name":"disk-00-data-bob"}]}`))
case r.Method == http.MethodPost && r.URL.Path == "/v1/instances/instance-id/stop":
_, _ = w.Write([]byte("{}"))
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id":
_, _ = w.Write([]byte(`{"run_state":"stopped"}`))
case r.Method == http.MethodDelete && r.URL.Path == "/v1/instances/instance-id":
w.WriteHeader(http.StatusNoContent)
case r.Method == http.MethodDelete && r.URL.Path == "/v1/disks/additional-disk-id":
additionalDiskDeleted = true
w.WriteHeader(http.StatusNoContent)
default:
http.Error(w, "unexpected request", http.StatusInternalServerError)
}
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
SUT.additionalDisks = []additionalDisk{{label: "data"}}
Expect(SUT.Remove()).To(Succeed())
Expect(SUT.AdditionalDiskIDs).To(Equal([]string{"additional-disk-id"}))
Expect(additionalDiskDeleted).To(BeTrue())
})
It("should preserve the instance when disk ID recovery fails", func() {
stopCalled := false
instanceDeleteCalled := false
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && r.URL.Path == "/v1/instances/instance-id/disks":
http.Error(w, "invalid request", http.StatusBadRequest)
case r.Method == http.MethodPost && r.URL.Path == "/v1/instances/instance-id/stop":
stopCalled = true
_, _ = w.Write([]byte("{}"))
case r.Method == http.MethodDelete && r.URL.Path == "/v1/instances/instance-id":
instanceDeleteCalled = true
w.WriteHeader(http.StatusNoContent)
default:
http.Error(w, "unexpected request", http.StatusInternalServerError)
}
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
SUT.additionalDisks = []additionalDisk{{label: "data"}}
err := SUT.Remove()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("failed recording additional disks"))
Expect(stopCalled).To(BeFalse())
Expect(instanceDeleteCalled).To(BeFalse())
})
It("should bound retries with the provided context", func() {
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Millisecond)
defer cancel()
attempts := 0
start := time.Now()
err := retry(ctx, func() error {
attempts++
<-ctx.Done()
return ctx.Err()
}, retryAttempts, time.Second)
Expect(err).To(MatchError(context.DeadlineExceeded))
Expect(time.Since(start)).To(BeNumerically("<", time.Second))
Expect(attempts).To(Equal(1))
})
})
Describe("recordAdditionalDiskIDs", func() {
It("should record every disk except the boot disk", func() {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Expect(r.Method).To(Equal(http.MethodGet))
Expect(r.URL.Path).To(Equal("/v1/instances/instance-id/disks"))
_, _ = w.Write([]byte(`{"items":[{"id":"boot-disk-id"},{"id":"additional-disk-id","name":"disk-00-data-bob"},{"id":"unrelated-disk-id","name":"unrelated"}]}`))
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
SUT.BootDiskID = "boot-disk-id"
SUT.additionalDisks = []additionalDisk{{label: "data"}}
client, err := SUT.createOxideClient()
Expect(err).NotTo(HaveOccurred())
SUT.oxideClient = client
Expect(SUT.recordAdditionalDiskIDs(context.Background())).To(Succeed())
Expect(SUT.AdditionalDiskIDs).To(Equal([]string{"additional-disk-id"}))
})
It("should fail when not every configured disk is listed", func() {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{"items":[{"id":"boot-disk-id"}]}`))
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
SUT.BootDiskID = "boot-disk-id"
SUT.additionalDisks = []additionalDisk{{}}
client, err := SUT.createOxideClient()
Expect(err).NotTo(HaveOccurred())
SUT.oxideClient = client
err = SUT.recordAdditionalDiskIDs(context.Background())
Expect(err).To(MatchError("found 0 of 1 additional disks"))
})
It("should retain disk IDs across incomplete listings", func() {
requests := 0
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
requests++
if requests == 1 {
_, _ = w.Write([]byte(`{"items":[{"id":"additional-disk-1","name":"disk-00-one-bob"}]}`))
return
}
_, _ = w.Write([]byte(`{"items":[{"id":"additional-disk-2","name":"disk-01-two-bob"}]}`))
}))
defer server.Close()
SUT.Host = server.URL
SUT.Token = "token"
SUT.InstanceID = "instance-id"
SUT.BootDiskID = "boot-disk-id"
SUT.additionalDisks = []additionalDisk{
{label: "one"},
{label: "two"},
}
client, err := SUT.createOxideClient()
Expect(err).NotTo(HaveOccurred())
SUT.oxideClient = client
Expect(retry(context.Background(), func() error {
return SUT.recordAdditionalDiskIDs(context.Background())
}, retryAttempts, time.Millisecond)).To(Succeed())
Expect(SUT.AdditionalDiskIDs).To(ConsistOf(
"additional-disk-1",
"additional-disk-2",
))
})
})
DescribeTable("RancherMachineState mapping is correct",
func(instanceState oxide.InstanceState, expectedState state.State) {
Expect(toRancherMachineState(instanceState)).To(Equal(expectedState))
},
Entry("creating", oxide.InstanceStateCreating, state.Starting),
Entry("starting", oxide.InstanceStateStarting, state.Starting),
Entry("running", oxide.InstanceStateRunning, state.Running),
Entry("stopping", oxide.InstanceStateStopping, state.Stopping),
Entry("stopped", oxide.InstanceStateStopped, state.Stopped),
Entry("repairing", oxide.InstanceStateRepairing, state.Starting),
Entry("rebooting", oxide.InstanceStateRebooting, state.Starting),
Entry("migrating", oxide.InstanceStateMigrating, state.Running),
Entry("failed", oxide.InstanceStateFailed, state.Error),
Entry("destroyed", oxide.InstanceStateDestroyed, state.NotFound),
Entry("unknown", oxide.InstanceState("unknown"), state.None),
)
})
func defaultMockDriverOptions() (rv *commandstest.FakeFlagger) {
rv = &commandstest.FakeFlagger{
Data: map[string]any{},
}
rv.Data[flagHost] = "host"
rv.Data[flagToken] = "token"
rv.Data[flagProject] = "project"
rv.Data[flagBootDiskImageID] = "image"
rv.Data[flagSSHUser] = "oxide"
return rv
}