791 lines
20 KiB
Go
791 lines
20 KiB
Go
package app
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import (
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"bufio"
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"bytes"
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"io"
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"path/filepath"
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"sync"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/roboll/helmfile/pkg/exectest"
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"github.com/roboll/helmfile/pkg/helmexec"
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"github.com/roboll/helmfile/pkg/testhelper"
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"github.com/variantdev/vals"
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)
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func TestSync(t *testing.T) {
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type fields struct {
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skipNeeds bool
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includeNeeds bool
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}
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type testcase struct {
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fields fields
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ns string
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concurrency int
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skipDiffOnInstall bool
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error string
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files map[string]string
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selectors []string
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lists map[exectest.ListKey]string
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upgraded []exectest.Release
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deleted []exectest.Release
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log string
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}
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check := func(t *testing.T, tc testcase) {
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t.Helper()
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wantUpgrades := tc.upgraded
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wantDeletes := tc.deleted
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var helm = &exectest.Helm{
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FailOnUnexpectedList: true,
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FailOnUnexpectedDiff: true,
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Lists: tc.lists,
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DiffMutex: &sync.Mutex{},
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ChartsMutex: &sync.Mutex{},
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ReleasesMutex: &sync.Mutex{},
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}
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bs := &bytes.Buffer{}
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func() {
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t.Helper()
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logReader, logWriter := io.Pipe()
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logFlushed := &sync.WaitGroup{}
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// Ensure all the log is consumed into `bs` by calling `logWriter.Close()` followed by `logFlushed.Wait()`
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logFlushed.Add(1)
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go func() {
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scanner := bufio.NewScanner(logReader)
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for scanner.Scan() {
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bs.Write(scanner.Bytes())
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bs.WriteString("\n")
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}
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logFlushed.Done()
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}()
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defer func() {
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// This is here to avoid data-trace on bytes buffer `bs` to capture logs
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if err := logWriter.Close(); err != nil {
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panic(err)
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}
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logFlushed.Wait()
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}()
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logger := helmexec.NewLogger(logWriter, "debug")
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valsRuntime, err := vals.New(vals.Options{CacheSize: 32})
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if err != nil {
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t.Errorf("unexpected error creating vals runtime: %v", err)
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}
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app := appWithFs(&App{
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OverrideHelmBinary: DefaultHelmBinary,
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glob: filepath.Glob,
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abs: filepath.Abs,
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OverrideKubeContext: "default",
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Env: "default",
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Logger: logger,
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helms: map[helmKey]helmexec.Interface{
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createHelmKey("helm", "default"): helm,
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},
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valsRuntime: valsRuntime,
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}, tc.files)
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if tc.ns != "" {
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app.Namespace = tc.ns
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}
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if tc.selectors != nil {
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app.Selectors = tc.selectors
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}
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syncErr := app.Sync(applyConfig{
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// if we check log output, concurrency must be 1. otherwise the test becomes non-deterministic.
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concurrency: tc.concurrency,
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logger: logger,
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skipDiffOnInstall: tc.skipDiffOnInstall,
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skipNeeds: tc.fields.skipNeeds,
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includeNeeds: tc.fields.includeNeeds,
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})
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var gotErr string
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if syncErr != nil {
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gotErr = syncErr.Error()
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}
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if d := cmp.Diff(tc.error, gotErr); d != "" {
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t.Fatalf("unexpected error: want (-), got (+): %s", d)
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}
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if len(wantUpgrades) > len(helm.Releases) {
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t.Fatalf("insufficient number of upgrades: got %d, want %d", len(helm.Releases), len(wantUpgrades))
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}
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for relIdx := range wantUpgrades {
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if wantUpgrades[relIdx].Name != helm.Releases[relIdx].Name {
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t.Errorf("releases[%d].name: got %q, want %q", relIdx, helm.Releases[relIdx].Name, wantUpgrades[relIdx].Name)
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}
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for flagIdx := range wantUpgrades[relIdx].Flags {
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if wantUpgrades[relIdx].Flags[flagIdx] != helm.Releases[relIdx].Flags[flagIdx] {
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t.Errorf("releaes[%d].flags[%d]: got %v, want %v", relIdx, flagIdx, helm.Releases[relIdx].Flags[flagIdx], wantUpgrades[relIdx].Flags[flagIdx])
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}
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}
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}
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if len(wantDeletes) > len(helm.Deleted) {
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t.Fatalf("insufficient number of deletes: got %d, want %d", len(helm.Deleted), len(wantDeletes))
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}
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for relIdx := range wantDeletes {
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if wantDeletes[relIdx].Name != helm.Deleted[relIdx].Name {
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t.Errorf("releases[%d].name: got %q, want %q", relIdx, helm.Deleted[relIdx].Name, wantDeletes[relIdx].Name)
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}
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for flagIdx := range wantDeletes[relIdx].Flags {
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if wantDeletes[relIdx].Flags[flagIdx] != helm.Deleted[relIdx].Flags[flagIdx] {
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t.Errorf("releaes[%d].flags[%d]: got %v, want %v", relIdx, flagIdx, helm.Deleted[relIdx].Flags[flagIdx], wantDeletes[relIdx].Flags[flagIdx])
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}
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}
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}
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}()
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if tc.log != "" {
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actual := bs.String()
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diff, exists := testhelper.Diff(tc.log, actual, 3)
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if exists {
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t.Errorf("unexpected log:\nDIFF\n%s\nEOD", diff)
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}
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}
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}
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t.Run("skip-needs=true", func(t *testing.T) {
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check(t, testcase{
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fields: fields{
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skipNeeds: true,
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},
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files: map[string]string{
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"/path/to/helmfile.yaml": `
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{{ $mark := "a" }}
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releases:
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- name: kubernetes-external-secrets
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chart: incubator/raw
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namespace: kube-system
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- name: external-secrets
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- kube-system/kubernetes-external-secrets
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- name: my-release
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- default/external-secrets
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`,
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},
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selectors: []string{"app=test"},
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upgraded: []exectest.Release{
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{Name: "external-secrets", Flags: []string{"--kube-context", "default", "--namespace", "default"}},
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{Name: "my-release", Flags: []string{"--kube-context", "default", "--namespace", "default"}},
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},
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// as we check for log output, set concurrency to 1 to avoid non-deterministic test result
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concurrency: 1,
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log: `processing file "helmfile.yaml" in directory "."
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first-pass rendering starting for "helmfile.yaml.part.0": inherited=&{default map[] map[]}, overrode=<nil>
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first-pass uses: &{default map[] map[]}
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first-pass rendering output of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7:
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8: - name: external-secrets
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9: chart: incubator/raw
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10: namespace: default
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11: labels:
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12: app: test
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13: needs:
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14: - kube-system/kubernetes-external-secrets
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15:
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16: - name: my-release
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17: chart: incubator/raw
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18: namespace: default
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19: labels:
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20: app: test
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21: needs:
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22: - default/external-secrets
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23:
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first-pass produced: &{default map[] map[]}
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first-pass rendering result of "helmfile.yaml.part.0": {default map[] map[]}
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vals:
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map[]
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defaultVals:[]
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second-pass rendering result of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7:
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8: - name: external-secrets
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9: chart: incubator/raw
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10: namespace: default
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11: labels:
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12: app: test
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13: needs:
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14: - kube-system/kubernetes-external-secrets
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15:
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16: - name: my-release
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17: chart: incubator/raw
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18: namespace: default
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19: labels:
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20: app: test
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21: needs:
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22: - default/external-secrets
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23:
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merged environment: &{default map[] map[]}
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2 release(s) matching app=test found in helmfile.yaml
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Affected releases are:
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external-secrets (incubator/raw) UPDATED
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my-release (incubator/raw) UPDATED
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processing 2 groups of releases in this order:
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GROUP RELEASES
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1 default/external-secrets
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2 default/my-release
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processing releases in group 1/2: default/external-secrets
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getting deployed release version failed:unexpected list key: {^external-secrets$ --kube-contextdefault--deployed--failed--pending}
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processing releases in group 2/2: default/my-release
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getting deployed release version failed:unexpected list key: {^my-release$ --kube-contextdefault--deployed--failed--pending}
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UPDATED RELEASES:
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NAME CHART VERSION
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external-secrets incubator/raw
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my-release incubator/raw
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`,
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})
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})
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t.Run("skip-needs=false include-needs=true", func(t *testing.T) {
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check(t, testcase{
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fields: fields{
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skipNeeds: false,
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includeNeeds: true,
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},
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error: ``,
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files: map[string]string{
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"/path/to/helmfile.yaml": `
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{{ $mark := "a" }}
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releases:
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- name: kubernetes-external-secrets
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chart: incubator/raw
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namespace: kube-system
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- name: external-secrets
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- kube-system/kubernetes-external-secrets
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- name: my-release
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- default/external-secrets
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`,
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},
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selectors: []string{"app=test"},
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upgraded: []exectest.Release{},
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// as we check for log output, set concurrency to 1 to avoid non-deterministic test result
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concurrency: 1,
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log: `processing file "helmfile.yaml" in directory "."
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first-pass rendering starting for "helmfile.yaml.part.0": inherited=&{default map[] map[]}, overrode=<nil>
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first-pass uses: &{default map[] map[]}
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first-pass rendering output of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7:
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8: - name: external-secrets
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9: chart: incubator/raw
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10: namespace: default
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11: labels:
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12: app: test
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13: needs:
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14: - kube-system/kubernetes-external-secrets
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15:
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16: - name: my-release
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17: chart: incubator/raw
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18: namespace: default
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19: labels:
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20: app: test
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21: needs:
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22: - default/external-secrets
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23:
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first-pass produced: &{default map[] map[]}
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first-pass rendering result of "helmfile.yaml.part.0": {default map[] map[]}
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vals:
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map[]
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defaultVals:[]
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second-pass rendering result of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7:
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8: - name: external-secrets
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9: chart: incubator/raw
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10: namespace: default
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11: labels:
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12: app: test
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13: needs:
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14: - kube-system/kubernetes-external-secrets
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15:
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16: - name: my-release
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17: chart: incubator/raw
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18: namespace: default
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19: labels:
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20: app: test
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21: needs:
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22: - default/external-secrets
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23:
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merged environment: &{default map[] map[]}
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2 release(s) matching app=test found in helmfile.yaml
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Affected releases are:
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external-secrets (incubator/raw) UPDATED
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kubernetes-external-secrets (incubator/raw) UPDATED
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my-release (incubator/raw) UPDATED
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processing 3 groups of releases in this order:
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GROUP RELEASES
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1 kube-system/kubernetes-external-secrets
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2 default/external-secrets
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3 default/my-release
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processing releases in group 1/3: kube-system/kubernetes-external-secrets
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getting deployed release version failed:unexpected list key: {^kubernetes-external-secrets$ --kube-contextdefault--deployed--failed--pending}
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processing releases in group 2/3: default/external-secrets
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getting deployed release version failed:unexpected list key: {^external-secrets$ --kube-contextdefault--deployed--failed--pending}
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processing releases in group 3/3: default/my-release
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getting deployed release version failed:unexpected list key: {^my-release$ --kube-contextdefault--deployed--failed--pending}
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UPDATED RELEASES:
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NAME CHART VERSION
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kubernetes-external-secrets incubator/raw
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external-secrets incubator/raw
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my-release incubator/raw
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`,
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})
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})
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t.Run("skip-needs=false include-needs=true with installed but disabled release", func(t *testing.T) {
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check(t, testcase{
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fields: fields{
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skipNeeds: false,
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includeNeeds: true,
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},
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error: ``,
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files: map[string]string{
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"/path/to/helmfile.yaml": `
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{{ $mark := "a" }}
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releases:
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- name: kubernetes-external-secrets
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chart: incubator/raw
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namespace: kube-system
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installed: false
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- name: external-secrets
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- kube-system/kubernetes-external-secrets
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- name: my-release
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chart: incubator/raw
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namespace: default
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labels:
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app: test
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needs:
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- default/external-secrets
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`,
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},
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selectors: []string{"app=test"},
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upgraded: []exectest.Release{},
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lists: map[exectest.ListKey]string{
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// delete frontend-v1 and backend-v1
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exectest.ListKey{Filter: "^kubernetes-external-secrets$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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^kubernetes-external-secrets$ 4 Fri Nov 1 08:40:07 2019 DEPLOYED backend-3.1.0 3.1.0 default
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`,
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},
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// as we check for log output, set concurrency to 1 to avoid non-deterministic test result
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concurrency: 1,
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log: `processing file "helmfile.yaml" in directory "."
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first-pass rendering starting for "helmfile.yaml.part.0": inherited=&{default map[] map[]}, overrode=<nil>
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first-pass uses: &{default map[] map[]}
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first-pass rendering output of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7: installed: false
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8:
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9: - name: external-secrets
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10: chart: incubator/raw
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11: namespace: default
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12: labels:
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13: app: test
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14: needs:
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15: - kube-system/kubernetes-external-secrets
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16:
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17: - name: my-release
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18: chart: incubator/raw
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19: namespace: default
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20: labels:
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21: app: test
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22: needs:
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23: - default/external-secrets
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24:
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first-pass produced: &{default map[] map[]}
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first-pass rendering result of "helmfile.yaml.part.0": {default map[] map[]}
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vals:
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map[]
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defaultVals:[]
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second-pass rendering result of "helmfile.yaml.part.0":
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0:
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1:
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2:
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3: releases:
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4: - name: kubernetes-external-secrets
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5: chart: incubator/raw
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6: namespace: kube-system
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7: installed: false
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8:
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9: - name: external-secrets
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10: chart: incubator/raw
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11: namespace: default
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12: labels:
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13: app: test
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14: needs:
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15: - kube-system/kubernetes-external-secrets
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16:
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17: - name: my-release
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18: chart: incubator/raw
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19: namespace: default
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20: labels:
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21: app: test
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22: needs:
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23: - default/external-secrets
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24:
|
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|
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merged environment: &{default map[] map[]}
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2 release(s) matching app=test found in helmfile.yaml
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|
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Affected releases are:
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external-secrets (incubator/raw) UPDATED
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kubernetes-external-secrets (incubator/raw) DELETED
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my-release (incubator/raw) UPDATED
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|
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processing 1 groups of releases in this order:
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GROUP RELEASES
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1 kube-system/kubernetes-external-secrets
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processing releases in group 1/1: kube-system/kubernetes-external-secrets
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processing 2 groups of releases in this order:
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|
GROUP RELEASES
|
|
1 default/external-secrets
|
|
2 default/my-release
|
|
|
|
processing releases in group 1/2: default/external-secrets
|
|
getting deployed release version failed:unexpected list key: {^external-secrets$ --kube-contextdefault--deployed--failed--pending}
|
|
processing releases in group 2/2: default/my-release
|
|
getting deployed release version failed:unexpected list key: {^my-release$ --kube-contextdefault--deployed--failed--pending}
|
|
|
|
UPDATED RELEASES:
|
|
NAME CHART VERSION
|
|
external-secrets incubator/raw
|
|
my-release incubator/raw
|
|
|
|
|
|
DELETED RELEASES:
|
|
NAME
|
|
kubernetes-external-secrets
|
|
`,
|
|
})
|
|
})
|
|
|
|
t.Run("skip-needs=false include-needs=true with not installed and disabled release", func(t *testing.T) {
|
|
check(t, testcase{
|
|
fields: fields{
|
|
skipNeeds: false,
|
|
includeNeeds: true,
|
|
},
|
|
error: ``,
|
|
files: map[string]string{
|
|
"/path/to/helmfile.yaml": `
|
|
{{ $mark := "a" }}
|
|
|
|
releases:
|
|
- name: kubernetes-external-secrets
|
|
chart: incubator/raw
|
|
namespace: kube-system
|
|
installed: false
|
|
|
|
- name: external-secrets
|
|
chart: incubator/raw
|
|
namespace: default
|
|
labels:
|
|
app: test
|
|
needs:
|
|
- kube-system/kubernetes-external-secrets
|
|
|
|
- name: my-release
|
|
chart: incubator/raw
|
|
namespace: default
|
|
labels:
|
|
app: test
|
|
needs:
|
|
- default/external-secrets
|
|
`,
|
|
},
|
|
selectors: []string{"app=test"},
|
|
upgraded: []exectest.Release{},
|
|
lists: map[exectest.ListKey]string{
|
|
// delete frontend-v1 and backend-v1
|
|
exectest.ListKey{Filter: "^kubernetes-external-secrets$", Flags: "--kube-contextdefault--deployed--failed--pending"}: ``,
|
|
},
|
|
// as we check for log output, set concurrency to 1 to avoid non-deterministic test result
|
|
concurrency: 1,
|
|
log: `processing file "helmfile.yaml" in directory "."
|
|
first-pass rendering starting for "helmfile.yaml.part.0": inherited=&{default map[] map[]}, overrode=<nil>
|
|
first-pass uses: &{default map[] map[]}
|
|
first-pass rendering output of "helmfile.yaml.part.0":
|
|
0:
|
|
1:
|
|
2:
|
|
3: releases:
|
|
4: - name: kubernetes-external-secrets
|
|
5: chart: incubator/raw
|
|
6: namespace: kube-system
|
|
7: installed: false
|
|
8:
|
|
9: - name: external-secrets
|
|
10: chart: incubator/raw
|
|
11: namespace: default
|
|
12: labels:
|
|
13: app: test
|
|
14: needs:
|
|
15: - kube-system/kubernetes-external-secrets
|
|
16:
|
|
17: - name: my-release
|
|
18: chart: incubator/raw
|
|
19: namespace: default
|
|
20: labels:
|
|
21: app: test
|
|
22: needs:
|
|
23: - default/external-secrets
|
|
24:
|
|
|
|
first-pass produced: &{default map[] map[]}
|
|
first-pass rendering result of "helmfile.yaml.part.0": {default map[] map[]}
|
|
vals:
|
|
map[]
|
|
defaultVals:[]
|
|
second-pass rendering result of "helmfile.yaml.part.0":
|
|
0:
|
|
1:
|
|
2:
|
|
3: releases:
|
|
4: - name: kubernetes-external-secrets
|
|
5: chart: incubator/raw
|
|
6: namespace: kube-system
|
|
7: installed: false
|
|
8:
|
|
9: - name: external-secrets
|
|
10: chart: incubator/raw
|
|
11: namespace: default
|
|
12: labels:
|
|
13: app: test
|
|
14: needs:
|
|
15: - kube-system/kubernetes-external-secrets
|
|
16:
|
|
17: - name: my-release
|
|
18: chart: incubator/raw
|
|
19: namespace: default
|
|
20: labels:
|
|
21: app: test
|
|
22: needs:
|
|
23: - default/external-secrets
|
|
24:
|
|
|
|
merged environment: &{default map[] map[]}
|
|
2 release(s) matching app=test found in helmfile.yaml
|
|
|
|
Affected releases are:
|
|
external-secrets (incubator/raw) UPDATED
|
|
my-release (incubator/raw) UPDATED
|
|
|
|
processing 2 groups of releases in this order:
|
|
GROUP RELEASES
|
|
1 default/external-secrets
|
|
2 default/my-release
|
|
|
|
processing releases in group 1/2: default/external-secrets
|
|
getting deployed release version failed:unexpected list key: {^external-secrets$ --kube-contextdefault--deployed--failed--pending}
|
|
processing releases in group 2/2: default/my-release
|
|
getting deployed release version failed:unexpected list key: {^my-release$ --kube-contextdefault--deployed--failed--pending}
|
|
|
|
UPDATED RELEASES:
|
|
NAME CHART VERSION
|
|
external-secrets incubator/raw
|
|
my-release incubator/raw
|
|
|
|
`,
|
|
})
|
|
})
|
|
|
|
t.Run("bad --selector", func(t *testing.T) {
|
|
check(t, testcase{
|
|
files: map[string]string{
|
|
"/path/to/helmfile.yaml": `
|
|
{{ $mark := "a" }}
|
|
|
|
releases:
|
|
- name: kubernetes-external-secrets
|
|
chart: incubator/raw
|
|
namespace: kube-system
|
|
|
|
- name: external-secrets
|
|
chart: incubator/raw
|
|
namespace: default
|
|
labels:
|
|
app: test
|
|
needs:
|
|
- kube-system/kubernetes-external-secrets
|
|
|
|
- name: my-release
|
|
chart: incubator/raw
|
|
namespace: default
|
|
labels:
|
|
app: test
|
|
needs:
|
|
- default/external-secrets
|
|
`,
|
|
},
|
|
selectors: []string{"app=test_non_existent"},
|
|
upgraded: []exectest.Release{},
|
|
error: "err: no releases found that matches specified selector(app=test_non_existent) and environment(default), in any helmfile",
|
|
// as we check for log output, set concurrency to 1 to avoid non-deterministic test result
|
|
concurrency: 1,
|
|
log: `processing file "helmfile.yaml" in directory "."
|
|
first-pass rendering starting for "helmfile.yaml.part.0": inherited=&{default map[] map[]}, overrode=<nil>
|
|
first-pass uses: &{default map[] map[]}
|
|
first-pass rendering output of "helmfile.yaml.part.0":
|
|
0:
|
|
1:
|
|
2:
|
|
3: releases:
|
|
4: - name: kubernetes-external-secrets
|
|
5: chart: incubator/raw
|
|
6: namespace: kube-system
|
|
7:
|
|
8: - name: external-secrets
|
|
9: chart: incubator/raw
|
|
10: namespace: default
|
|
11: labels:
|
|
12: app: test
|
|
13: needs:
|
|
14: - kube-system/kubernetes-external-secrets
|
|
15:
|
|
16: - name: my-release
|
|
17: chart: incubator/raw
|
|
18: namespace: default
|
|
19: labels:
|
|
20: app: test
|
|
21: needs:
|
|
22: - default/external-secrets
|
|
23:
|
|
|
|
first-pass produced: &{default map[] map[]}
|
|
first-pass rendering result of "helmfile.yaml.part.0": {default map[] map[]}
|
|
vals:
|
|
map[]
|
|
defaultVals:[]
|
|
second-pass rendering result of "helmfile.yaml.part.0":
|
|
0:
|
|
1:
|
|
2:
|
|
3: releases:
|
|
4: - name: kubernetes-external-secrets
|
|
5: chart: incubator/raw
|
|
6: namespace: kube-system
|
|
7:
|
|
8: - name: external-secrets
|
|
9: chart: incubator/raw
|
|
10: namespace: default
|
|
11: labels:
|
|
12: app: test
|
|
13: needs:
|
|
14: - kube-system/kubernetes-external-secrets
|
|
15:
|
|
16: - name: my-release
|
|
17: chart: incubator/raw
|
|
18: namespace: default
|
|
19: labels:
|
|
20: app: test
|
|
21: needs:
|
|
22: - default/external-secrets
|
|
23:
|
|
|
|
merged environment: &{default map[] map[]}
|
|
0 release(s) matching app=test_non_existent found in helmfile.yaml
|
|
|
|
`,
|
|
})
|
|
})
|
|
}
|