/
repository_test.go
3341 lines (2955 loc) · 121 KB
/
repository_test.go
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package repository
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
goio "io"
"io/fs"
"os"
"os/exec"
"path"
"path/filepath"
"regexp"
"sort"
"strings"
"testing"
"time"
cacheutil "github.com/argoproj/argo-cd/v2/util/cache"
log "github.com/sirupsen/logrus"
"k8s.io/apimachinery/pkg/api/resource"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/yaml"
"github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
argoappv1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
"github.com/argoproj/argo-cd/v2/reposerver/apiclient"
"github.com/argoproj/argo-cd/v2/reposerver/cache"
repositorymocks "github.com/argoproj/argo-cd/v2/reposerver/cache/mocks"
"github.com/argoproj/argo-cd/v2/reposerver/metrics"
fileutil "github.com/argoproj/argo-cd/v2/test/fixture/path"
"github.com/argoproj/argo-cd/v2/util/argo"
dbmocks "github.com/argoproj/argo-cd/v2/util/db/mocks"
"github.com/argoproj/argo-cd/v2/util/git"
gitmocks "github.com/argoproj/argo-cd/v2/util/git/mocks"
"github.com/argoproj/argo-cd/v2/util/helm"
helmmocks "github.com/argoproj/argo-cd/v2/util/helm/mocks"
"github.com/argoproj/argo-cd/v2/util/io"
iomocks "github.com/argoproj/argo-cd/v2/util/io/mocks"
)
const testSignature = `gpg: Signature made Wed Feb 26 23:22:34 2020 CET
gpg: using RSA key 4AEE18F83AFDEB23
gpg: Good signature from "GitHub (web-flow commit signing) <noreply@github.com>" [ultimate]
`
type clientFunc func(*gitmocks.Client, *helmmocks.Client, *iomocks.TempPaths)
type repoCacheMocks struct {
mock.Mock
cacheutilCache *cacheutil.Cache
cache *cache.Cache
mockCache *repositorymocks.MockRepoCache
}
type newGitRepoHelmChartOptions struct {
chartName string
chartVersion string
// valuesFiles is a map of the values file name to the key/value pairs to be written to the file
valuesFiles map[string]map[string]string
}
type newGitRepoOptions struct {
path string
createPath bool
remote string
addEmptyCommit bool
helmChartOptions newGitRepoHelmChartOptions
}
func newCacheMocks() *repoCacheMocks {
mockRepoCache := repositorymocks.NewMockRepoCache(&repositorymocks.MockCacheOptions{
RepoCacheExpiration: 1 * time.Minute,
RevisionCacheExpiration: 1 * time.Minute,
ReadDelay: 0,
WriteDelay: 0,
})
cacheutilCache := cacheutil.NewCache(mockRepoCache.RedisClient)
return &repoCacheMocks{
cacheutilCache: cacheutilCache,
cache: cache.NewCache(cacheutilCache, 1*time.Minute, 1*time.Minute),
mockCache: mockRepoCache,
}
}
func newServiceWithMocks(t *testing.T, root string, signed bool) (*Service, *gitmocks.Client, *repoCacheMocks) {
root, err := filepath.Abs(root)
if err != nil {
panic(err)
}
return newServiceWithOpt(t, func(gitClient *gitmocks.Client, helmClient *helmmocks.Client, paths *iomocks.TempPaths) {
gitClient.On("Init").Return(nil)
gitClient.On("Fetch", mock.Anything).Return(nil)
gitClient.On("Checkout", mock.Anything, mock.Anything).Return(nil)
gitClient.On("LsRemote", mock.Anything).Return(mock.Anything, nil)
gitClient.On("CommitSHA").Return(mock.Anything, nil)
gitClient.On("Root").Return(root)
gitClient.On("IsAnnotatedTag").Return(false)
if signed {
gitClient.On("VerifyCommitSignature", mock.Anything).Return(testSignature, nil)
} else {
gitClient.On("VerifyCommitSignature", mock.Anything).Return("", nil)
}
chart := "my-chart"
oobChart := "out-of-bounds-chart"
version := "1.1.0"
helmClient.On("GetIndex", mock.AnythingOfType("bool"), mock.Anything).Return(&helm.Index{Entries: map[string]helm.Entries{
chart: {{Version: "1.0.0"}, {Version: version}},
oobChart: {{Version: "1.0.0"}, {Version: version}},
}}, nil)
helmClient.On("ExtractChart", chart, version).Return("./testdata/my-chart", io.NopCloser, nil)
helmClient.On("ExtractChart", oobChart, version).Return("./testdata2/out-of-bounds-chart", io.NopCloser, nil)
helmClient.On("CleanChartCache", chart, version).Return(nil)
helmClient.On("CleanChartCache", oobChart, version).Return(nil)
helmClient.On("DependencyBuild").Return(nil)
paths.On("Add", mock.Anything, mock.Anything).Return(root, nil)
paths.On("GetPath", mock.Anything).Return(root, nil)
paths.On("GetPathIfExists", mock.Anything).Return(root, nil)
}, root)
}
func newServiceWithOpt(t *testing.T, cf clientFunc, root string) (*Service, *gitmocks.Client, *repoCacheMocks) {
helmClient := &helmmocks.Client{}
gitClient := &gitmocks.Client{}
paths := &iomocks.TempPaths{}
cf(gitClient, helmClient, paths)
cacheMocks := newCacheMocks()
t.Cleanup(cacheMocks.mockCache.StopRedisCallback)
service := NewService(metrics.NewMetricsServer(), cacheMocks.cache, RepoServerInitConstants{ParallelismLimit: 1}, argo.NewResourceTracking(), &git.NoopCredsStore{}, root)
service.newGitClient = func(rawRepoURL string, root string, creds git.Creds, insecure bool, enableLfs bool, proxy string, opts ...git.ClientOpts) (client git.Client, e error) {
return gitClient, nil
}
service.newHelmClient = func(repoURL string, creds helm.Creds, enableOci bool, proxy string, opts ...helm.ClientOpts) helm.Client {
return helmClient
}
service.gitRepoInitializer = func(rootPath string) goio.Closer {
return io.NopCloser
}
service.gitRepoPaths = paths
return service, gitClient, cacheMocks
}
func newService(t *testing.T, root string) *Service {
service, _, _ := newServiceWithMocks(t, root, false)
return service
}
func newServiceWithSignature(t *testing.T, root string) *Service {
service, _, _ := newServiceWithMocks(t, root, true)
return service
}
func newServiceWithCommitSHA(t *testing.T, root, revision string) *Service {
var revisionErr error
commitSHARegex := regexp.MustCompile("^[0-9A-Fa-f]{40}$")
if !commitSHARegex.MatchString(revision) {
revisionErr = errors.New("not a commit SHA")
}
service, gitClient, _ := newServiceWithOpt(t, func(gitClient *gitmocks.Client, helmClient *helmmocks.Client, paths *iomocks.TempPaths) {
gitClient.On("Init").Return(nil)
gitClient.On("Fetch", mock.Anything).Return(nil)
gitClient.On("Checkout", mock.Anything, mock.Anything).Return(nil)
gitClient.On("LsRemote", revision).Return(revision, revisionErr)
gitClient.On("CommitSHA").Return("632039659e542ed7de0c170a4fcc1c571b288fc0", nil)
gitClient.On("Root").Return(root)
paths.On("GetPath", mock.Anything).Return(root, nil)
paths.On("GetPathIfExists", mock.Anything).Return(root, nil)
}, root)
service.newGitClient = func(rawRepoURL string, root string, creds git.Creds, insecure bool, enableLfs bool, proxy string, opts ...git.ClientOpts) (client git.Client, e error) {
return gitClient, nil
}
return service
}
func TestGenerateYamlManifestInDir(t *testing.T) {
service := newService(t, "../../manifests/base")
src := argoappv1.ApplicationSource{Path: "."}
q := apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
ApplicationSource: &src,
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
// update this value if we add/remove manifests
const countOfManifests = 48
res1, err := service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
assert.Equal(t, countOfManifests, len(res1.Manifests))
// this will test concatenated manifests to verify we split YAMLs correctly
res2, err := GenerateManifests(context.Background(), "./testdata/concatenated", "/", "", &q, false, &git.NoopCredsStore{}, resource.MustParse("0"), nil)
assert.NoError(t, err)
assert.Equal(t, 3, len(res2.Manifests))
}
func Test_GenerateManifests_NoOutOfBoundsAccess(t *testing.T) {
testCases := []struct {
name string
outOfBoundsFilename string
outOfBoundsFileContents string
mustNotContain string // Optional string that must not appear in error or manifest output. If empty, use outOfBoundsFileContents.
}{
{
name: "out of bounds JSON file should not appear in error output",
outOfBoundsFilename: "test.json",
outOfBoundsFileContents: `{"some": "json"}`,
},
{
name: "malformed JSON file contents should not appear in error output",
outOfBoundsFilename: "test.json",
outOfBoundsFileContents: "$",
},
{
name: "out of bounds JSON manifest should not appear in manifest output",
outOfBoundsFilename: "test.json",
// JSON marshalling is deterministic. So if there's a leak, exactly this should appear in the manifests.
outOfBoundsFileContents: `{"apiVersion":"v1","kind":"Secret","metadata":{"name":"test","namespace":"default"},"type":"Opaque"}`,
},
{
name: "out of bounds YAML manifest should not appear in manifest output",
outOfBoundsFilename: "test.yaml",
outOfBoundsFileContents: "apiVersion: v1\nkind: Secret\nmetadata:\n name: test\n namespace: default\ntype: Opaque",
mustNotContain: `{"apiVersion":"v1","kind":"Secret","metadata":{"name":"test","namespace":"default"},"type":"Opaque"}`,
},
}
for _, testCase := range testCases {
testCaseCopy := testCase
t.Run(testCaseCopy.name, func(t *testing.T) {
t.Parallel()
outOfBoundsDir := t.TempDir()
outOfBoundsFile := path.Join(outOfBoundsDir, testCaseCopy.outOfBoundsFilename)
err := os.WriteFile(outOfBoundsFile, []byte(testCaseCopy.outOfBoundsFileContents), os.FileMode(0444))
require.NoError(t, err)
repoDir := t.TempDir()
err = os.Symlink(outOfBoundsFile, path.Join(repoDir, testCaseCopy.outOfBoundsFilename))
require.NoError(t, err)
var mustNotContain = testCaseCopy.outOfBoundsFileContents
if testCaseCopy.mustNotContain != "" {
mustNotContain = testCaseCopy.mustNotContain
}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &argoappv1.ApplicationSource{}, ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
res, err := GenerateManifests(context.Background(), repoDir, "", "", &q, false, &git.NoopCredsStore{}, resource.MustParse("0"), nil)
require.Error(t, err)
assert.NotContains(t, err.Error(), mustNotContain)
assert.Contains(t, err.Error(), "illegal filepath")
assert.Nil(t, res)
})
}
}
func TestGenerateManifests_MissingSymlinkDestination(t *testing.T) {
repoDir := t.TempDir()
err := os.Symlink("/obviously/does/not/exist", path.Join(repoDir, "test.yaml"))
require.NoError(t, err)
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &argoappv1.ApplicationSource{}, ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
_, err = GenerateManifests(context.Background(), repoDir, "", "", &q, false, &git.NoopCredsStore{}, resource.MustParse("0"), nil)
require.NoError(t, err)
}
func TestGenerateManifests_K8SAPIResetCache(t *testing.T) {
service := newService(t, "../../manifests/base")
src := argoappv1.ApplicationSource{Path: "."}
q := apiclient.ManifestRequest{
KubeVersion: "v1.16.0",
Repo: &argoappv1.Repository{},
ApplicationSource: &src,
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
cachedFakeResponse := &apiclient.ManifestResponse{Manifests: []string{"Fake"}}
err := service.cache.SetManifests(mock.Anything, &src, q.RefSources, &q, "", "", "", "", &cache.CachedManifestResponse{ManifestResponse: cachedFakeResponse}, nil)
assert.NoError(t, err)
res, err := service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
assert.Equal(t, cachedFakeResponse, res)
q.KubeVersion = "v1.17.0"
res, err = service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
assert.NotEqual(t, cachedFakeResponse, res)
assert.True(t, len(res.Manifests) > 1)
}
func TestGenerateManifests_EmptyCache(t *testing.T) {
service, gitMocks, mockCache := newServiceWithMocks(t, "../../manifests/base", false)
src := argoappv1.ApplicationSource{Path: "."}
q := apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
ApplicationSource: &src,
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
err := service.cache.SetManifests(mock.Anything, &src, q.RefSources, &q, "", "", "", "", &cache.CachedManifestResponse{ManifestResponse: nil}, nil)
assert.NoError(t, err)
res, err := service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
assert.True(t, len(res.Manifests) > 0)
mockCache.mockCache.AssertCacheCalledTimes(t, &repositorymocks.CacheCallCounts{
ExternalSets: 2,
ExternalGets: 2,
ExternalDeletes: 1})
gitMocks.AssertCalled(t, "LsRemote", mock.Anything)
gitMocks.AssertCalled(t, "Fetch", mock.Anything)
}
// Test that calling manifest generation on source helm reference helm files that when the revision is cached it does not call ls-remote
func TestGenerateManifestsHelmWithRefs_CachedNoLsRemote(t *testing.T) {
dir := t.TempDir()
repopath := fmt.Sprintf("%s/tmprepo", dir)
cacheMocks := newCacheMocks()
t.Cleanup(func() {
cacheMocks.mockCache.StopRedisCallback()
err := filepath.WalkDir(dir,
func(path string, di fs.DirEntry, err error) error {
if err == nil {
return os.Chmod(path, 0777)
}
return err
})
if err != nil {
t.Fatal(err)
}
})
service := NewService(metrics.NewMetricsServer(), cacheMocks.cache, RepoServerInitConstants{ParallelismLimit: 1}, argo.NewResourceTracking(), &git.NoopCredsStore{}, repopath)
var gitClient git.Client
var err error
service.newGitClient = func(rawRepoURL string, root string, creds git.Creds, insecure bool, enableLfs bool, proxy string, opts ...git.ClientOpts) (client git.Client, e error) {
opts = append(opts, git.WithEventHandlers(git.EventHandlers{
// Primary check, we want to make sure ls-remote is not called when the item is in cache
OnLsRemote: func(repo string) func() {
return func() {
assert.Fail(t, "LsRemote should not be called when the item is in cache")
}
},
}))
gitClient, err = git.NewClientExt(rawRepoURL, root, creds, insecure, enableLfs, proxy, opts...)
return gitClient, err
}
repoRemote := fmt.Sprintf("file://%s", repopath)
revision := initGitRepo(t, newGitRepoOptions{
path: repopath,
createPath: true,
remote: repoRemote,
helmChartOptions: newGitRepoHelmChartOptions{
chartName: "my-chart",
chartVersion: "v1.0.0",
valuesFiles: map[string]map[string]string{"test.yaml": {"testval": "test"}}},
})
src := argoappv1.ApplicationSource{RepoURL: repoRemote, Path: ".", TargetRevision: "HEAD", Helm: &argoappv1.ApplicationSourceHelm{
ValueFiles: []string{"$ref/test.yaml"},
}}
repo := &argoappv1.Repository{
Repo: repoRemote,
}
q := apiclient.ManifestRequest{
Repo: repo,
Revision: "HEAD",
HasMultipleSources: true,
ApplicationSource: &src,
ProjectName: "default",
ProjectSourceRepos: []string{"*"},
RefSources: map[string]*argoappv1.RefTarget{"$ref": {TargetRevision: "HEAD", Repo: *repo}},
}
err = cacheMocks.cacheutilCache.SetItem(fmt.Sprintf("git-refs|%s", repoRemote), [][2]string{{"HEAD", revision}}, 30*time.Second, false)
assert.NoError(t, err)
_, err = service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
cacheMocks.mockCache.AssertCacheCalledTimes(t, &repositorymocks.CacheCallCounts{
ExternalSets: 2,
ExternalGets: 5})
}
// ensure we can use a semver constraint range (>= 1.0.0) and get back the correct chart (1.0.0)
func TestHelmManifestFromChartRepo(t *testing.T) {
root := t.TempDir()
service, gitMocks, mockCache := newServiceWithMocks(t, root, false)
source := &argoappv1.ApplicationSource{Chart: "my-chart", TargetRevision: ">= 1.0.0"}
request := &apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: source, NoCache: true, ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
response, err := service.GenerateManifest(context.Background(), request)
assert.NoError(t, err)
assert.NotNil(t, response)
assert.Equal(t, &apiclient.ManifestResponse{
Manifests: []string{"{\"apiVersion\":\"v1\",\"kind\":\"ConfigMap\",\"metadata\":{\"name\":\"my-map\"}}"},
Namespace: "",
Server: "",
Revision: "1.1.0",
SourceType: "Helm",
}, response)
mockCache.mockCache.AssertCacheCalledTimes(t, &repositorymocks.CacheCallCounts{
ExternalSets: 1,
ExternalGets: 0})
gitMocks.AssertNotCalled(t, "LsRemote", mock.Anything)
}
func TestHelmChartReferencingExternalValues(t *testing.T) {
service := newService(t, ".")
spec := argoappv1.ApplicationSpec{
Sources: []argoappv1.ApplicationSource{
{RepoURL: "https://helm.example.com", Chart: "my-chart", TargetRevision: ">= 1.0.0", Helm: &argoappv1.ApplicationSourceHelm{
ValueFiles: []string{"$ref/testdata/my-chart/my-chart-values.yaml"},
}},
{Ref: "ref", RepoURL: "https://git.example.com/test/repo"},
},
}
repoDB := &dbmocks.ArgoDB{}
repoDB.On("GetRepository", context.Background(), "https://git.example.com/test/repo").Return(&argoappv1.Repository{
Repo: "https://git.example.com/test/repo",
}, nil)
refSources, err := argo.GetRefSources(context.Background(), spec, repoDB)
require.NoError(t, err)
request := &apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &spec.Sources[0], NoCache: true, RefSources: refSources, HasMultipleSources: true, ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
response, err := service.GenerateManifest(context.Background(), request)
assert.NoError(t, err)
assert.NotNil(t, response)
assert.Equal(t, &apiclient.ManifestResponse{
Manifests: []string{"{\"apiVersion\":\"v1\",\"kind\":\"ConfigMap\",\"metadata\":{\"name\":\"my-map\"}}"},
Namespace: "",
Server: "",
Revision: "1.1.0",
SourceType: "Helm",
}, response)
}
func TestHelmChartReferencingExternalValues_OutOfBounds_Symlink(t *testing.T) {
service := newService(t, ".")
err := os.Mkdir("testdata/oob-symlink", 0755)
require.NoError(t, err)
t.Cleanup(func() {
err = os.RemoveAll("testdata/oob-symlink")
require.NoError(t, err)
})
// Create a symlink to a file outside of the repo
err = os.Symlink("../../../values.yaml", "./testdata/oob-symlink/oob-symlink.yaml")
// Create a regular file to reference from another source
err = os.WriteFile("./testdata/oob-symlink/values.yaml", []byte("foo: bar"), 0644)
require.NoError(t, err)
spec := argoappv1.ApplicationSpec{
Sources: []argoappv1.ApplicationSource{
{RepoURL: "https://helm.example.com", Chart: "my-chart", TargetRevision: ">= 1.0.0", Helm: &argoappv1.ApplicationSourceHelm{
// Reference `ref` but do not use the oob symlink. The mere existence of the link should be enough to
// cause an error.
ValueFiles: []string{"$ref/testdata/oob-symlink/values.yaml"},
}},
{Ref: "ref", RepoURL: "https://git.example.com/test/repo"},
},
}
repoDB := &dbmocks.ArgoDB{}
repoDB.On("GetRepository", context.Background(), "https://git.example.com/test/repo").Return(&argoappv1.Repository{
Repo: "https://git.example.com/test/repo",
}, nil)
refSources, err := argo.GetRefSources(context.Background(), spec, repoDB)
require.NoError(t, err)
request := &apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &spec.Sources[0], NoCache: true, RefSources: refSources, HasMultipleSources: true}
_, err = service.GenerateManifest(context.Background(), request)
assert.Error(t, err)
}
func TestGenerateManifestsUseExactRevision(t *testing.T) {
service, gitClient, _ := newServiceWithMocks(t, ".", false)
src := argoappv1.ApplicationSource{Path: "./testdata/recurse", Directory: &argoappv1.ApplicationSourceDirectory{Recurse: true}}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &src, Revision: "abc", ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
res1, err := service.GenerateManifest(context.Background(), &q)
assert.Nil(t, err)
assert.Equal(t, 2, len(res1.Manifests))
assert.Equal(t, gitClient.Calls[0].Arguments[0], "abc")
}
func TestRecurseManifestsInDir(t *testing.T) {
service := newService(t, ".")
src := argoappv1.ApplicationSource{Path: "./testdata/recurse", Directory: &argoappv1.ApplicationSourceDirectory{Recurse: true}}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &src, ProjectName: "something",
ProjectSourceRepos: []string{"*"}}
res1, err := service.GenerateManifest(context.Background(), &q)
assert.Nil(t, err)
assert.Equal(t, 2, len(res1.Manifests))
}
func TestInvalidManifestsInDir(t *testing.T) {
service := newService(t, ".")
src := argoappv1.ApplicationSource{Path: "./testdata/invalid-manifests", Directory: &argoappv1.ApplicationSourceDirectory{Recurse: true}}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &src}
_, err := service.GenerateManifest(context.Background(), &q)
assert.NotNil(t, err)
}
func TestInvalidMetadata(t *testing.T) {
service := newService(t, ".")
src := argoappv1.ApplicationSource{Path: "./testdata/invalid-metadata", Directory: &argoappv1.ApplicationSourceDirectory{Recurse: true}}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &src, AppLabelKey: "test", AppName: "invalid-metadata", TrackingMethod: "annotation+label"}
_, err := service.GenerateManifest(context.Background(), &q)
assert.Error(t, err)
assert.Contains(t, err.Error(), "contains non-string key in the map")
}
func TestNilMetadataAccessors(t *testing.T) {
service := newService(t, ".")
expected := "{\"apiVersion\":\"v1\",\"kind\":\"ConfigMap\",\"metadata\":{\"annotations\":{\"argocd.argoproj.io/tracking-id\":\"nil-metadata-accessors:/ConfigMap:/my-map\"},\"labels\":{\"test\":\"nil-metadata-accessors\"},\"name\":\"my-map\"},\"stringData\":{\"foo\":\"bar\"}}"
src := argoappv1.ApplicationSource{Path: "./testdata/nil-metadata-accessors", Directory: &argoappv1.ApplicationSourceDirectory{Recurse: true}}
q := apiclient.ManifestRequest{Repo: &argoappv1.Repository{}, ApplicationSource: &src, AppLabelKey: "test", AppName: "nil-metadata-accessors", TrackingMethod: "annotation+label"}
res, err := service.GenerateManifest(context.Background(), &q)
assert.NoError(t, err)
assert.Equal(t, len(res.Manifests), 1)
assert.Equal(t, expected, res.Manifests[0])
}
func TestGenerateJsonnetManifestInDir(t *testing.T) {
service := newService(t, ".")
q := apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/jsonnet",
Directory: &argoappv1.ApplicationSourceDirectory{
Jsonnet: argoappv1.ApplicationSourceJsonnet{
ExtVars: []argoappv1.JsonnetVar{{Name: "extVarString", Value: "extVarString"}, {Name: "extVarCode", Value: "\"extVarCode\"", Code: true}},
TLAs: []argoappv1.JsonnetVar{{Name: "tlaString", Value: "tlaString"}, {Name: "tlaCode", Value: "\"tlaCode\"", Code: true}},
Libs: []string{"testdata/jsonnet/vendor"},
},
},
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
res1, err := service.GenerateManifest(context.Background(), &q)
assert.Nil(t, err)
assert.Equal(t, 2, len(res1.Manifests))
}
func TestGenerateJsonnetManifestInRootDir(t *testing.T) {
service := newService(t, "testdata/jsonnet-1")
q := apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
ApplicationSource: &argoappv1.ApplicationSource{
Path: ".",
Directory: &argoappv1.ApplicationSourceDirectory{
Jsonnet: argoappv1.ApplicationSourceJsonnet{
ExtVars: []argoappv1.JsonnetVar{{Name: "extVarString", Value: "extVarString"}, {Name: "extVarCode", Value: "\"extVarCode\"", Code: true}},
TLAs: []argoappv1.JsonnetVar{{Name: "tlaString", Value: "tlaString"}, {Name: "tlaCode", Value: "\"tlaCode\"", Code: true}},
Libs: []string{"."},
},
},
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
res1, err := service.GenerateManifest(context.Background(), &q)
assert.Nil(t, err)
assert.Equal(t, 2, len(res1.Manifests))
}
func TestGenerateJsonnetLibOutside(t *testing.T) {
service := newService(t, ".")
q := apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/jsonnet",
Directory: &argoappv1.ApplicationSourceDirectory{
Jsonnet: argoappv1.ApplicationSourceJsonnet{
Libs: []string{"../../../testdata/jsonnet/vendor"},
},
},
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
_, err := service.GenerateManifest(context.Background(), &q)
require.Error(t, err)
require.Contains(t, err.Error(), "file '../../../testdata/jsonnet/vendor' resolved to outside repository root")
}
func TestManifestGenErrorCacheByNumRequests(t *testing.T) {
// Returns the state of the manifest generation cache, by querying the cache for the previously set result
getRecentCachedEntry := func(service *Service, manifestRequest *apiclient.ManifestRequest) *cache.CachedManifestResponse {
assert.NotNil(t, service)
assert.NotNil(t, manifestRequest)
cachedManifestResponse := &cache.CachedManifestResponse{}
err := service.cache.GetManifests(mock.Anything, manifestRequest.ApplicationSource, manifestRequest.RefSources, manifestRequest, manifestRequest.Namespace, "", manifestRequest.AppLabelKey, manifestRequest.AppName, cachedManifestResponse, nil)
assert.Nil(t, err)
return cachedManifestResponse
}
// Example:
// With repo server (test) parameters:
// - PauseGenerationAfterFailedGenerationAttempts: 2
// - PauseGenerationOnFailureForRequests: 4
// - TotalCacheInvocations: 10
//
// After 2 manifest generation failures in a row, the next 4 manifest generation requests should be cached,
// with the next 2 after that being uncached. Here's how it looks...
//
// request count) result
// --------------------------
// 1) Attempt to generate manifest, fails.
// 2) Second attempt to generate manifest, fails.
// 3) Return cached error attempt from #2
// 4) Return cached error attempt from #2
// 5) Return cached error attempt from #2
// 6) Return cached error attempt from #2. Max response limit hit, so reset cache entry.
// 7) Attempt to generate manifest, fails.
// 8) Attempt to generate manifest, fails.
// 9) Return cached error attempt from #8
// 10) Return cached error attempt from #8
// The same pattern PauseGenerationAfterFailedGenerationAttempts generation attempts, followed by
// PauseGenerationOnFailureForRequests cached responses, should apply for various combinations of
// both parameters.
tests := []struct {
PauseGenerationAfterFailedGenerationAttempts int
PauseGenerationOnFailureForRequests int
TotalCacheInvocations int
}{
{2, 4, 10},
{3, 5, 10},
{1, 2, 5},
}
for _, tt := range tests {
testName := fmt.Sprintf("gen-attempts-%d-pause-%d-total-%d", tt.PauseGenerationAfterFailedGenerationAttempts, tt.PauseGenerationOnFailureForRequests, tt.TotalCacheInvocations)
t.Run(testName, func(t *testing.T) {
service := newService(t, ".")
service.initConstants = RepoServerInitConstants{
ParallelismLimit: 1,
PauseGenerationAfterFailedGenerationAttempts: tt.PauseGenerationAfterFailedGenerationAttempts,
PauseGenerationOnFailureForMinutes: 0,
PauseGenerationOnFailureForRequests: tt.PauseGenerationOnFailureForRequests,
}
totalAttempts := service.initConstants.PauseGenerationAfterFailedGenerationAttempts + service.initConstants.PauseGenerationOnFailureForRequests
for invocationCount := 0; invocationCount < tt.TotalCacheInvocations; invocationCount++ {
adjustedInvocation := invocationCount % totalAttempts
fmt.Printf("%d )-------------------------------------------\n", invocationCount)
manifestRequest := &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
}
res, err := service.GenerateManifest(context.Background(), manifestRequest)
// Verify invariant: res != nil xor err != nil
if err != nil {
assert.True(t, res == nil, "both err and res are non-nil res: %v err: %v", res, err)
} else {
assert.True(t, res != nil, "both err and res are nil")
}
cachedManifestResponse := getRecentCachedEntry(service, manifestRequest)
isCachedError := err != nil && strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix)
if adjustedInvocation < service.initConstants.PauseGenerationAfterFailedGenerationAttempts {
// GenerateManifest should not return cached errors for the first X responses, where X is the FailGenAttempts constants
require.False(t, isCachedError)
require.NotNil(t, cachedManifestResponse)
// nolint:staticcheck
assert.Nil(t, cachedManifestResponse.ManifestResponse)
// nolint:staticcheck
assert.True(t, cachedManifestResponse.FirstFailureTimestamp != 0)
// Internal cache consec failures value should increase with invocations, cached response should stay the same,
// nolint:staticcheck
assert.True(t, cachedManifestResponse.NumberOfConsecutiveFailures == adjustedInvocation+1)
// nolint:staticcheck
assert.True(t, cachedManifestResponse.NumberOfCachedResponsesReturned == 0)
} else {
// GenerateManifest SHOULD return cached errors for the next X responses, where X is the
// PauseGenerationOnFailureForRequests constant
assert.True(t, isCachedError)
require.NotNil(t, cachedManifestResponse)
// nolint:staticcheck
assert.Nil(t, cachedManifestResponse.ManifestResponse)
// nolint:staticcheck
assert.True(t, cachedManifestResponse.FirstFailureTimestamp != 0)
// Internal cache values should update correctly based on number of return cache entries, consecutive failures should stay the same
// nolint:staticcheck
assert.True(t, cachedManifestResponse.NumberOfConsecutiveFailures == service.initConstants.PauseGenerationAfterFailedGenerationAttempts)
// nolint:staticcheck
assert.True(t, cachedManifestResponse.NumberOfCachedResponsesReturned == (adjustedInvocation-service.initConstants.PauseGenerationAfterFailedGenerationAttempts+1))
}
}
})
}
}
func TestManifestGenErrorCacheFileContentsChange(t *testing.T) {
tmpDir := t.TempDir()
service := newService(t, tmpDir)
service.initConstants = RepoServerInitConstants{
ParallelismLimit: 1,
PauseGenerationAfterFailedGenerationAttempts: 2,
PauseGenerationOnFailureForMinutes: 0,
PauseGenerationOnFailureForRequests: 4,
}
for step := 0; step < 3; step++ {
// step 1) Attempt to generate manifests against invalid helm chart (should return uncached error)
// step 2) Attempt to generate manifest against valid helm chart (should succeed and return valid response)
// step 3) Attempt to generate manifest against invalid helm chart (should return cached value from step 2)
errorExpected := step%2 == 0
// Ensure that the target directory will succeed or fail, so we can verify the cache correctly handles it
err := os.RemoveAll(tmpDir)
assert.NoError(t, err)
err = os.MkdirAll(tmpDir, 0777)
assert.NoError(t, err)
if errorExpected {
// Copy invalid helm chart into temporary directory, ensuring manifest generation will fail
err = fileutil.CopyDir("./testdata/invalid-helm", tmpDir)
assert.NoError(t, err)
} else {
// Copy valid helm chart into temporary directory, ensuring generation will succeed
err = fileutil.CopyDir("./testdata/my-chart", tmpDir)
assert.NoError(t, err)
}
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: ".",
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
})
fmt.Println("-", step, "-", res != nil, err != nil, errorExpected)
fmt.Println(" err: ", err)
fmt.Println(" res: ", res)
if step < 2 {
assert.True(t, (err != nil) == errorExpected, "error return value and error expected did not match")
assert.True(t, (res != nil) == !errorExpected, "GenerateManifest return value and expected value did not match")
}
if step == 2 {
assert.NoError(t, err, "error ret val was non-nil on step 3")
assert.NotNil(t, res, "GenerateManifest ret val was nil on step 3")
}
}
}
func TestManifestGenErrorCacheByMinutesElapsed(t *testing.T) {
tests := []struct {
// Test with a range of pause expiration thresholds
PauseGenerationOnFailureForMinutes int
}{
{1}, {2}, {10}, {24 * 60},
}
for _, tt := range tests {
testName := fmt.Sprintf("pause-time-%d", tt.PauseGenerationOnFailureForMinutes)
t.Run(testName, func(t *testing.T) {
service := newService(t, ".")
// Here we simulate the passage of time by overriding the now() function of Service
currentTime := time.Now()
service.now = func() time.Time {
return currentTime
}
service.initConstants = RepoServerInitConstants{
ParallelismLimit: 1,
PauseGenerationAfterFailedGenerationAttempts: 1,
PauseGenerationOnFailureForMinutes: tt.PauseGenerationOnFailureForMinutes,
PauseGenerationOnFailureForRequests: 0,
}
// 1) Put the cache into the failure state
for x := 0; x < 2; x++ {
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
})
assert.True(t, err != nil && res == nil)
// Ensure that the second invocation triggers the cached error state
if x == 1 {
assert.True(t, strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
}
}
// 2) Jump forward X-1 minutes in time, where X is the expiration boundary
currentTime = currentTime.Add(time.Duration(tt.PauseGenerationOnFailureForMinutes-1) * time.Minute)
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
})
// 3) Ensure that the cache still returns a cached copy of the last error
assert.True(t, err != nil && res == nil)
assert.True(t, strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
// 4) Jump forward 2 minutes in time, such that the pause generation time has elapsed and we should return to normal state
currentTime = currentTime.Add(2 * time.Minute)
res, err = service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
})
// 5) Ensure that the service no longer returns a cached copy of the last error
assert.True(t, err != nil && res == nil)
assert.True(t, !strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
})
}
}
func TestManifestGenErrorCacheRespectsNoCache(t *testing.T) {
service := newService(t, ".")
service.initConstants = RepoServerInitConstants{
ParallelismLimit: 1,
PauseGenerationAfterFailedGenerationAttempts: 1,
PauseGenerationOnFailureForMinutes: 0,
PauseGenerationOnFailureForRequests: 4,
}
// 1) Put the cache into the failure state
for x := 0; x < 2; x++ {
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
})
assert.True(t, err != nil && res == nil)
// Ensure that the second invocation is cached
if x == 1 {
assert.True(t, strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
}
}
// 2) Call generateManifest with NoCache enabled
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
NoCache: true,
})
// 3) Ensure that the cache returns a new generation attempt, rather than a previous cached error
assert.True(t, err != nil && res == nil)
assert.True(t, !strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
// 4) Call generateManifest
res, err = service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: "./testdata/invalid-helm",
},
})
// 5) Ensure that the subsequent invocation, after nocache, is cached
assert.True(t, err != nil && res == nil)
assert.True(t, strings.HasPrefix(err.Error(), cachedManifestGenerationPrefix))
}
func TestGenerateHelmWithValues(t *testing.T) {
service := newService(t, "../../util/helm/testdata/redis")
res, err := service.GenerateManifest(context.Background(), &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: ".",
Helm: &argoappv1.ApplicationSourceHelm{
ValueFiles: []string{"values-production.yaml"},
ValuesObject: &runtime.RawExtension{Raw: []byte(`cluster: {slaveCount: 2}`)},
},
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
})
assert.NoError(t, err)
replicasVerified := false
for _, src := range res.Manifests {
obj := unstructured.Unstructured{}
err = json.Unmarshal([]byte(src), &obj)
assert.NoError(t, err)
if obj.GetKind() == "Deployment" && obj.GetName() == "test-redis-slave" {
var dep v1.Deployment
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &dep)
assert.NoError(t, err)
assert.Equal(t, int32(2), *dep.Spec.Replicas)
replicasVerified = true
}
}
assert.True(t, replicasVerified)
}
func TestHelmWithMissingValueFiles(t *testing.T) {
service := newService(t, "../../util/helm/testdata/redis")
missingValuesFile := "values-prod-overrides.yaml"
req := &apiclient.ManifestRequest{
Repo: &argoappv1.Repository{},
AppName: "test",
ApplicationSource: &argoappv1.ApplicationSource{
Path: ".",
Helm: &argoappv1.ApplicationSourceHelm{
ValueFiles: []string{"values-production.yaml", missingValuesFile},
},
},
ProjectName: "something",
ProjectSourceRepos: []string{"*"},
}
// Should fail since we're passing a non-existent values file, and error should indicate that