454 lines
13 KiB
Go
454 lines
13 KiB
Go
package app
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import (
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"bufio"
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"bytes"
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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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"go.uber.org/zap"
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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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)
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type destroyConfig struct {
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args string
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concurrency int
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interactive bool
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logger *zap.SugaredLogger
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}
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func (d destroyConfig) Args() string {
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return d.args
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}
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func (d destroyConfig) Interactive() bool {
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return d.interactive
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}
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func (d destroyConfig) Logger() *zap.SugaredLogger {
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return d.logger
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}
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func (d destroyConfig) Concurrency() int {
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return d.concurrency
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}
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func TestDestroy(t *testing.T) {
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testcases := []struct {
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name string
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loc string
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ns string
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concurrency int
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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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diffs map[exectest.DiffKey]error
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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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//
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// complex test cases for smoke testing
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//
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{
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name: "smoke",
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loc: location(),
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files: map[string]string{
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"/path/to/helmfile.yaml": `
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releases:
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- name: database
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chart: charts/mysql
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needs:
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- logging
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- name: frontend-v1
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chart: charts/frontend
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installed: false
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needs:
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- servicemesh
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- logging
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- backend-v1
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- name: frontend-v2
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chart: charts/frontend
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needs:
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- servicemesh
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- logging
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- backend-v2
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- name: frontend-v3
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chart: charts/frontend
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needs:
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- servicemesh
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- logging
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- backend-v2
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- name: backend-v1
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chart: charts/backend
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installed: false
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needs:
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- servicemesh
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- logging
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- database
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- anotherbackend
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- name: backend-v2
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chart: charts/backend
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needs:
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- servicemesh
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- logging
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- database
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- anotherbackend
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- name: anotherbackend
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chart: charts/anotherbackend
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needs:
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- servicemesh
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- logging
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- database
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- name: servicemesh
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chart: charts/istio
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needs:
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- logging
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- name: logging
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chart: charts/fluent-bit
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- name: front-proxy
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chart: stable/envoy
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`,
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},
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diffs: map[exectest.DiffKey]error{},
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lists: map[exectest.ListKey]string{
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exectest.ListKey{Filter: "^frontend-v1$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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`,
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exectest.ListKey{Filter: "^frontend-v2$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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frontend-v2 4 Fri Nov 1 08:40:07 2019 DEPLOYED frontend-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^frontend-v3$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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frontend-v3 4 Fri Nov 1 08:40:07 2019 DEPLOYED frontend-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^backend-v1$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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`,
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exectest.ListKey{Filter: "^backend-v2$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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backend-v2 4 Fri Nov 1 08:40:07 2019 DEPLOYED backend-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^logging$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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logging 4 Fri Nov 1 08:40:07 2019 DEPLOYED fluent-bit-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^front-proxy$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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front-proxy 4 Fri Nov 1 08:40:07 2019 DEPLOYED envoy-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^servicemesh$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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servicemesh 4 Fri Nov 1 08:40:07 2019 DEPLOYED istio-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^database$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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database 4 Fri Nov 1 08:40:07 2019 DEPLOYED mysql-3.1.0 3.1.0 default
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`,
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exectest.ListKey{Filter: "^anotherbackend$", Flags: "--kube-contextdefault--deployed--failed--pending"}: `NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
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anotherbackend 4 Fri Nov 1 08:40:07 2019 DEPLOYED anotherbackend-3.1.0 3.1.0 default
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`,
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},
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// Disable concurrency to avoid in-deterministic result
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concurrency: 1,
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upgraded: []exectest.Release{},
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deleted: []exectest.Release{
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{Name: "frontend-v3", Flags: []string{}},
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{Name: "frontend-v2", Flags: []string{}},
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{Name: "frontend-v1", Flags: []string{}},
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{Name: "backend-v2", Flags: []string{}},
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{Name: "backend-v1", Flags: []string{}},
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{Name: "anotherbackend", Flags: []string{}},
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{Name: "database", Flags: []string{}},
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{Name: "servicemesh", Flags: []string{}},
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{Name: "front-proxy", Flags: []string{}},
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{Name: "logging", Flags: []string{}},
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},
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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: releases:
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2: - name: database
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3: chart: charts/mysql
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4: needs:
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5: - logging
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6: - name: frontend-v1
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7: chart: charts/frontend
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8: installed: false
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9: needs:
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10: - servicemesh
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11: - logging
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12: - backend-v1
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13: - name: frontend-v2
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14: chart: charts/frontend
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15: needs:
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16: - servicemesh
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17: - logging
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18: - backend-v2
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19: - name: frontend-v3
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20: chart: charts/frontend
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21: needs:
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22: - servicemesh
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23: - logging
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24: - backend-v2
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25: - name: backend-v1
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26: chart: charts/backend
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27: installed: false
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28: needs:
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29: - servicemesh
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30: - logging
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31: - database
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32: - anotherbackend
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33: - name: backend-v2
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34: chart: charts/backend
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35: needs:
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36: - servicemesh
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37: - logging
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38: - database
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39: - anotherbackend
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40: - name: anotherbackend
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41: chart: charts/anotherbackend
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42: needs:
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43: - servicemesh
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44: - logging
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45: - database
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46: - name: servicemesh
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47: chart: charts/istio
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48: needs:
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49: - logging
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50: - name: logging
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51: chart: charts/fluent-bit
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52: - name: front-proxy
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53: chart: stable/envoy
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54:
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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: releases:
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2: - name: database
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3: chart: charts/mysql
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4: needs:
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5: - logging
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6: - name: frontend-v1
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7: chart: charts/frontend
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8: installed: false
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9: needs:
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10: - servicemesh
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11: - logging
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12: - backend-v1
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13: - name: frontend-v2
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14: chart: charts/frontend
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15: needs:
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16: - servicemesh
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17: - logging
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18: - backend-v2
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19: - name: frontend-v3
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20: chart: charts/frontend
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21: needs:
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22: - servicemesh
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23: - logging
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24: - backend-v2
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25: - name: backend-v1
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26: chart: charts/backend
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27: installed: false
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28: needs:
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29: - servicemesh
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30: - logging
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31: - database
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32: - anotherbackend
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33: - name: backend-v2
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34: chart: charts/backend
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35: needs:
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36: - servicemesh
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37: - logging
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38: - database
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39: - anotherbackend
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40: - name: anotherbackend
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41: chart: charts/anotherbackend
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42: needs:
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43: - servicemesh
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44: - logging
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45: - database
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46: - name: servicemesh
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47: chart: charts/istio
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48: needs:
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49: - logging
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50: - name: logging
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51: chart: charts/fluent-bit
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52: - name: front-proxy
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53: chart: stable/envoy
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54:
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merged environment: &{default map[] map[]}
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10 release(s) found in helmfile.yaml
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processing 5 groups of releases in this order:
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GROUP RELEASES
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1 frontend-v3, frontend-v2, frontend-v1
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2 backend-v2, backend-v1
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3 anotherbackend
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4 database, servicemesh
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5 front-proxy, logging
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processing releases in group 1/5: frontend-v3, frontend-v2, frontend-v1
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release "frontend-v3" processed
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release "frontend-v2" processed
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release "frontend-v1" processed
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processing releases in group 2/5: backend-v2, backend-v1
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release "backend-v2" processed
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release "backend-v1" processed
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processing releases in group 3/5: anotherbackend
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release "anotherbackend" processed
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processing releases in group 4/5: database, servicemesh
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release "database" processed
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release "servicemesh" processed
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processing releases in group 5/5: front-proxy, logging
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release "front-proxy" processed
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release "logging" processed
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DELETED RELEASES:
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NAME
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frontend-v3
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frontend-v2
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frontend-v1
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backend-v2
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backend-v1
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anotherbackend
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database
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servicemesh
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front-proxy
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logging
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`,
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},
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}
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for i := range testcases {
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tc := testcases[i]
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t.Run(tc.name, func(t *testing.T) {
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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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Diffs: tc.diffs,
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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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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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destroyErr := app.Destroy(destroyConfig{
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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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})
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if tc.error == "" && destroyErr != nil {
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t.Fatalf("unexpected error for data defined at %s: %v", tc.loc, destroyErr)
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} else if tc.error != "" && destroyErr == nil {
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t.Fatalf("expected error did not occur for data defined at %s", tc.loc)
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} else if tc.error != "" && destroyErr != nil && tc.error != destroyErr.Error() {
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t.Fatalf("invalid error: expected %q, got %q", tc.error, destroyErr.Error())
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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 for data defined %s:\nDIFF\n%s\nEOD", tc.loc, diff)
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}
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}
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})
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}
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}
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