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hook up linter

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This commit is contained in:
Brad Rydzewski
2019-10-16 23:47:18 -07:00
parent 47c1f5248a
commit 241df7a44b
30 changed files with 724 additions and 24 deletions
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53
engine/linter/linter.go
View File

@@ -34,6 +34,11 @@ type Opts struct {
// rules are broken.
type Linter struct{}
// New returns a new Linter.
func New() *Linter {
return new(Linter)
}
// Lint executes the linting rules for the pipeline
// configuration.
func (l *Linter) Lint(pipeline *resource.Pipeline, opts Opts) error {
@@ -41,9 +46,9 @@ func (l *Linter) Lint(pipeline *resource.Pipeline, opts Opts) error {
}
func checkPipeline(pipeline *resource.Pipeline, trusted bool) error {
if err := checkNames(pipeline); err != nil {
return err
}
// if err := checkNames(pipeline); err != nil {
// return err
// }
if err := checkSteps(pipeline, trusted); err != nil {
return err
}
@@ -53,21 +58,21 @@ func checkPipeline(pipeline *resource.Pipeline, trusted bool) error {
return nil
}
func checkNames(pipeline *resource.Pipeline) error {
names := map[string]struct{}{}
if !pipeline.Clone.Disable {
names["clone"] = struct{}{}
}
steps := append(pipeline.Services, pipeline.Steps...)
for _, step := range steps {
_, ok := names[step.Name]
if ok {
return ErrDuplicateStepName
}
names[step.Name] = struct{}{}
}
return nil
}
// func checkNames(pipeline *resource.Pipeline) error {
// names := map[string]struct{}{}
// if !pipeline.Clone.Disable {
// names["clone"] = struct{}{}
// }
// steps := append(pipeline.Services, pipeline.Steps...)
// for _, step := range steps {
// _, ok := names[step.Name]
// if ok {
// return ErrDuplicateStepName
// }
// names[step.Name] = struct{}{}
// }
// return nil
// }
func checkSteps(pipeline *resource.Pipeline, trusted bool) error {
steps := append(pipeline.Services, pipeline.Steps...)
@@ -83,12 +88,12 @@ func checkStep(step *resource.Step, trusted bool) error {
if step.Image == "" {
return errors.New("linter: invalid or missing image")
}
if step.Name == "" {
return errors.New("linter: invalid or missing name")
}
if len(step.Name) > 100 {
return errors.New("linter: name exceeds maximum length")
}
// if step.Name == "" {
// return errors.New("linter: invalid or missing name")
// }
// if len(step.Name) > 100 {
// return errors.New("linter: name exceeds maximum length")
// }
if trusted == false && step.Privileged {
return errors.New("linter: untrusted repositories cannot enable privileged mode")
}

224
engine/linter/linter_test.go
View File

@@ -3,3 +3,227 @@
// that can be found in the LICENSE file.
package linter
import (
"path"
"testing"
"github.com/drone-runners/drone-runner-docker/engine/resource"
"github.com/drone/runner-go/manifest"
)
func TestLint(t *testing.T) {
tests := []struct {
path string
trusted bool
invalid bool
message string
}{
{
path: "testdata/simple.yml",
trusted: false,
invalid: false,
},
{
path: "testdata/missing_image.yml",
invalid: true,
message: "linter: invalid or missing image",
},
// user should not use reserved volume names.
{
path: "testdata/volume_invalid_name.yml",
trusted: false,
invalid: true,
message: "linter: invalid volume name: _workspace",
},
{
path: "testdata/pipeline_volume_invalid_name.yml",
trusted: false,
invalid: true,
message: "linter: invalid volume name: _docker_socket",
},
// user should not be able to mount host path
// volumes unless the repository is trusted.
{
path: "testdata/volume_host_path.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot mount host volumes",
},
{
path: "testdata/volume_host_path.yml",
trusted: true,
invalid: false,
},
// user should be able to mount emptyDir volumes
// where no medium is specified.
{
path: "testdata/volume_empty_dir.yml",
trusted: false,
invalid: false,
},
// user should not be able to mount in-memory
// emptyDir volumes unless the repository is
// trusted.
{
path: "testdata/volume_empty_dir_memory.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot mount in-memory volumes",
},
{
path: "testdata/volume_empty_dir_memory.yml",
trusted: true,
invalid: false,
},
// user should not be able to mount devices unless
// the repository is trusted.
{
path: "testdata/service_device.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot mount devices",
},
{
path: "testdata/service_device.yml",
trusted: true,
invalid: false,
},
{
path: "testdata/pipeline_device.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot mount devices",
},
{
path: "testdata/pipeline_device.yml",
trusted: true,
invalid: false,
},
// user should not be able to set the securityContext
// unless the repository is trusted.
{
path: "testdata/pipeline_privileged.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot enable privileged mode",
},
{
path: "testdata/pipeline_privileged.yml",
trusted: true,
invalid: false,
},
// user should not be able to set dns, dns_search or
// extra_hosts unless the repository is trusted.
{
path: "testdata/pipeline_dns.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot configure dns",
},
{
path: "testdata/pipeline_dns.yml",
trusted: true,
invalid: false,
},
{
path: "testdata/pipeline_dns_search.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot configure dns_search",
},
{
path: "testdata/pipeline_dns_search.yml",
trusted: true,
invalid: false,
},
{
path: "testdata/pipeline_extra_hosts.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot configure extra_hosts",
},
{
path: "testdata/pipeline_extra_hosts.yml",
trusted: true,
invalid: false,
},
{
path: "testdata/pipeline_network_mode.yml",
trusted: false,
invalid: true,
message: "linter: untrusted repositories cannot configure network_mode",
},
{
path: "testdata/pipeline_network_mode.yml",
trusted: true,
invalid: false,
},
//
// The below checks were moved to the parser, however, we
// should decide where we want this logic to live.
//
// // user should not be able to use duplicate names
// // for steps or services.
// {
// path: "testdata/duplicate_step.yml",
// invalid: true,
// message: "linter: duplicate step names",
// },
// {
// path: "testdata/duplicate_step_service.yml",
// invalid: true,
// message: "linter: duplicate step names",
// },
// {
// path: "testdata/missing_name.yml",
// invalid: true,
// message: "linter: invalid or missing name",
// },
}
for _, test := range tests {
name := path.Base(test.path)
if test.trusted {
name = name + "/trusted"
}
t.Run(name, func(t *testing.T) {
resources, err := manifest.ParseFile(test.path)
if err != nil {
t.Logf("yaml: %s", test.path)
t.Logf("trusted: %v", test.trusted)
t.Error(err)
return
}
lint := New()
opts := Opts{Trusted: test.trusted}
err = lint.Lint(resources.Resources[0].(*resource.Pipeline), opts)
if err == nil && test.invalid == true {
t.Logf("yaml: %s", test.path)
t.Logf("trusted: %v", test.trusted)
t.Errorf("Expect lint error")
return
}
if err != nil && test.invalid == false {
t.Logf("yaml: %s", test.path)
t.Logf("trusted: %v", test.trusted)
t.Errorf("Expect lint error is nil, got %s", err)
return
}
if err == nil {
return
}
if got, want := err.Error(), test.message; got != want {
t.Logf("yaml: %s", test.path)
t.Logf("trusted: %v", test.trusted)
t.Errorf("Want message %q, got %q", want, got)
return
}
})
}
}

24
engine/linter/testdata/duplicate_name.yml vendored Normal file
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@@ -0,0 +1,24 @@
---
kind: pipeline
type: docker
name: default
steps:
- name: build
image: golang
commands:
- go build
- go test
---
kind: pipeline
name: default
steps:
- name: build
image: golang
commands:
- go build
- go test
...

17
engine/linter/testdata/duplicate_step.yml vendored Normal file
View File

@@ -0,0 +1,17 @@
---
kind: pipeline
type: docker
name: default
steps:
- name: build
image: golang
commands:
- go build
- go test
- name: build
image: golang
commands:
- go build
- go test

15
engine/linter/testdata/duplicate_step_service.yml vendored Normal file
View File

@@ -0,0 +1,15 @@
---
kind: pipeline
type: docker
name: default
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: test
image: redis

15
engine/linter/testdata/invalid_arch.yml vendored Normal file
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@@ -0,0 +1,15 @@
---
kind: pipeline
type: docker
name: linux
platform:
os: linux
arch: s390x
steps:
- name: build
image: golang
commands:
- go build
- go test

14
engine/linter/testdata/invalid_os.yml vendored Normal file
View File

@@ -0,0 +1,14 @@
---
kind: pipeline
type: docker
name: linux
platform:
os: openbsd
steps:
- name: build
image: golang
commands:
- go build
- go test

9
engine/linter/testdata/missing_build_image.yml vendored Normal file
View File

@@ -0,0 +1,9 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
build: {}

35
engine/linter/testdata/missing_dep.yml vendored Normal file
View File

@@ -0,0 +1,35 @@
---
kind: pipeline
type: docker
name: amd64
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
---
kind: pipeline
name: arm
platform:
arch: arm
steps:
- name: test
image: golang
commands:
- go build
- go test
depends_on:
- foo
...

10
engine/linter/testdata/missing_image.yml vendored Normal file
View File

@@ -0,0 +1,10 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
commands:
- go build
- go test

10
engine/linter/testdata/missing_name.yml vendored Normal file
View File

@@ -0,0 +1,10 @@
---
kind: pipeline
type: docker
name: linux
steps:
- image: golang
commands:
- go build
- go test

20
engine/linter/testdata/pipeline_device.yml vendored Normal file
View File

@@ -0,0 +1,20 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
devices:
- name: data
path: /dev/xvda
services:
- name: database
image: redis
ports:
- 6379

13
engine/linter/testdata/pipeline_dns.yml vendored Normal file
View File

@@ -0,0 +1,13 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
dns:
- 8.8.8.8

14
engine/linter/testdata/pipeline_dns_search.yml vendored Normal file
View File

@@ -0,0 +1,14 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
dns_search:
- dc1.example.com
- dc2.example.com

14
engine/linter/testdata/pipeline_extra_hosts.yml vendored Normal file
View File

@@ -0,0 +1,14 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
extra_hosts:
- "somehost:162.242.195.82"
- "otherhost:50.31.209.229"

12
engine/linter/testdata/pipeline_network_mode.yml vendored Normal file
View File

@@ -0,0 +1,12 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
network_mode: host

18
engine/linter/testdata/pipeline_port_host.yml vendored Normal file
View File

@@ -0,0 +1,18 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: database
image: redis
detach: true
ports:
- port: 6379
host: 6379
- name: test
image: golang
commands:
- go build
- go test

18
engine/linter/testdata/pipeline_privileged.yml vendored Normal file
View File

@@ -0,0 +1,18 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
privileged: true
services:
- name: database
image: redis
ports:
- 6379

14
engine/linter/testdata/pipeline_volume_invalid_name.yml vendored Normal file
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@@ -0,0 +1,14 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: docker
volumes:
- name: _docker_socket
path: /var/run/docker.sock
commands:
- docker system prune

20
engine/linter/testdata/service_device.yml vendored Normal file
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@@ -0,0 +1,20 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
devices:
- name: data
path: /dev/xvda

18
engine/linter/testdata/service_port_host.yml vendored Normal file
View File

@@ -0,0 +1,18 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- port: 6379
host: 6379

39
engine/linter/testdata/simple.yml vendored Normal file
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@@ -0,0 +1,39 @@
---
kind: pipeline
type: docker
name: amd64
steps:
- name: build
image: golang
commands:
- go build
- name: test
image: golang
commands:
- go test
services:
- name: database
image: redis
ports:
- 6379
---
kind: pipeline
name: arm
platform:
arch: arm
steps:
- name: test
image: golang
commands:
- go build
- go test
depends_on:
- amd64
...

21
engine/linter/testdata/volume_empty_dir.yml vendored Normal file
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@@ -0,0 +1,21 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
volumes:
- name: vol
temp: {}

22
engine/linter/testdata/volume_empty_dir_memory.yml vendored Normal file
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@@ -0,0 +1,22 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
volumes:
- name: vol
temp:
medium: memory

22
engine/linter/testdata/volume_host_path.yml vendored Normal file
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@@ -0,0 +1,22 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
volumes:
- name: vol
host:
path: /any/path/it/will/be/replaced

21
engine/linter/testdata/volume_invalid_name.yml vendored Normal file
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@@ -0,0 +1,21 @@
---
kind: pipeline
type: docker
name: linux
steps:
- name: test
image: golang
commands:
- go build
- go test
services:
- name: database
image: redis
ports:
- 6379
volumes:
- name: _workspace
temp: {}