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lint.go
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lint.go
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package validate
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/argoproj/pkg/json"
"github.com/argoproj/argo/errors"
"github.com/argoproj/argo/pkg/apis/workflow"
wfv1 "github.com/argoproj/argo/pkg/apis/workflow/v1alpha1"
"github.com/argoproj/argo/workflow/common"
"github.com/argoproj/argo/workflow/templateresolution"
)
// LintWorkflowDir validates all workflow manifests in a directory. Ignores non-workflow manifests
func ParseWfFromFile(filePath string, strict bool) ([]wfv1.Workflow, error) {
body, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "Can't read from file: %s, err: %v", filePath, err)
}
var workflows []wfv1.Workflow
if json.IsJSON(body) {
var wf wfv1.Workflow
if strict {
err = json.UnmarshalStrict(body, &wf)
} else {
err = json.Unmarshal(body, &wf)
}
if err == nil {
workflows = []wfv1.Workflow{wf}
} else {
if wf.Kind != "" && wf.Kind != workflow.WorkflowKind {
// If we get here, it was a k8s manifest which was not of type 'Workflow'
// We ignore these since we only care about validating Workflow manifests.
return nil, nil
}
}
} else {
workflows, err = common.SplitWorkflowYAMLFile(body, strict)
}
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "%s failed to parse: %v", filePath, err)
}
return workflows, nil
}
func ParseWfTmplFromFile(filePath string, strict bool) ([]wfv1.WorkflowTemplate, error) {
body, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "Can't read from file: %s, err: %v", filePath, err)
}
var workflowTmpls []wfv1.WorkflowTemplate
if json.IsJSON(body) {
var wfTmpl wfv1.WorkflowTemplate
if strict {
err = json.UnmarshalStrict(body, &wfTmpl)
} else {
err = json.Unmarshal(body, &wfTmpl)
}
if err == nil {
workflowTmpls = []wfv1.WorkflowTemplate{wfTmpl}
} else {
if wfTmpl.Kind != "" && wfTmpl.Kind != workflow.WorkflowTemplateKind {
// If we get here, it was a k8s manifest which was not of type 'Workflow'
// We ignore these since we only care about validating Workflow manifests.
return nil, nil
}
}
} else {
workflowTmpls, err = common.SplitWorkflowTemplateYAMLFile(body, strict)
}
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "%s failed to parse: %v", filePath, err)
}
return workflowTmpls, nil
}
// LintWorkflowTemplateDir validates all workflow manifests in a directory. Ignores non-workflow template manifests
func LintWorkflowTemplateDir(wftmplGetter templateresolution.WorkflowTemplateNamespacedGetter, cwftmplGetter templateresolution.ClusterWorkflowTemplateGetter, dirPath string, strict bool) error {
walkFunc := func(path string, info os.FileInfo, err error) error {
if info == nil || info.IsDir() {
return nil
}
fileExt := filepath.Ext(info.Name())
switch fileExt {
case ".yaml", ".yml", ".json":
default:
return nil
}
return LintWorkflowTemplateFile(wftmplGetter, cwftmplGetter, path, strict)
}
return filepath.Walk(dirPath, walkFunc)
}
// LintWorkflowTemplateFile lints a json file, or multiple workflow template manifest in a single yaml file. Ignores
// non-workflow template manifests
func LintWorkflowTemplateFile(wftmplGetter templateresolution.WorkflowTemplateNamespacedGetter, cwftmplGetter templateresolution.ClusterWorkflowTemplateGetter, filePath string, strict bool) error {
body, err := ioutil.ReadFile(filePath)
if err != nil {
return errors.Errorf(errors.CodeBadRequest, "Can't read from file: %s, err: %v", filePath, err)
}
var workflowTemplates []wfv1.WorkflowTemplate
if json.IsJSON(body) {
var wftmpl wfv1.WorkflowTemplate
if strict {
err = json.UnmarshalStrict(body, &wftmpl)
} else {
err = json.Unmarshal(body, &wftmpl)
}
if err == nil {
workflowTemplates = []wfv1.WorkflowTemplate{wftmpl}
} else {
if wftmpl.Kind != "" && wftmpl.Kind != workflow.WorkflowTemplateKind {
// If we get here, it was a k8s manifest which was not of type 'Workflow'
// We ignore these since we only care about validating Workflow manifests.
return nil
}
}
} else {
workflowTemplates, err = common.SplitWorkflowTemplateYAMLFile(body, strict)
}
if err != nil {
return errors.Errorf(errors.CodeBadRequest, "%s failed to parse: %v", filePath, err)
}
for _, wftmpl := range workflowTemplates {
_, err = ValidateWorkflowTemplate(wftmplGetter, cwftmplGetter, &wftmpl)
if err != nil {
return errors.Errorf(errors.CodeBadRequest, "%s: %s", filePath, err.Error())
}
}
return nil
}
func ParseCronWorkflowsFromFile(filePath string, strict bool) ([]wfv1.CronWorkflow, error) {
body, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, fmt.Errorf("Can't read from file: %s, err: %v", filePath, err)
}
var cronWorkflows []wfv1.CronWorkflow
if json.IsJSON(body) {
var cronWf wfv1.CronWorkflow
if strict {
err = json.UnmarshalStrict(body, &cronWf)
} else {
err = json.Unmarshal(body, &cronWf)
}
if err == nil {
cronWorkflows = []wfv1.CronWorkflow{cronWf}
} else {
if cronWf.Kind != "" && cronWf.Kind != workflow.CronWorkflowKind {
// If we get here, it was a k8s manifest which was not of type 'CronWorkflow'
// We ignore these since we only care about validating cron workflow manifests.
return nil, nil
}
}
} else {
cronWorkflows, err = common.SplitCronWorkflowYAMLFile(body, strict)
}
if err != nil {
return nil, fmt.Errorf("%s failed to parse: %v", filePath, err)
}
return cronWorkflows, nil
}
func ParseCWfTmplFromFile(filePath string, strict bool) ([]wfv1.ClusterWorkflowTemplate, error) {
body, err := ioutil.ReadFile(filePath)
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "Can't read from file: %s, err: %v", filePath, err)
}
var clusterWorkflowTmpls []wfv1.ClusterWorkflowTemplate
if json.IsJSON(body) {
var cwfTmpl wfv1.ClusterWorkflowTemplate
if strict {
err = json.UnmarshalStrict(body, &cwfTmpl)
} else {
err = json.Unmarshal(body, &cwfTmpl)
}
if err == nil {
clusterWorkflowTmpls = []wfv1.ClusterWorkflowTemplate{cwfTmpl}
} else {
if cwfTmpl.Kind != "" && cwfTmpl.Kind != workflow.ClusterWorkflowTemplateKind {
// If we get here, it was a k8s manifest which was not of type 'Workflow'
// We ignore these since we only care about validating Workflow manifests.
return nil, nil
}
}
} else {
clusterWorkflowTmpls, err = common.SplitClusterWorkflowTemplateYAMLFile(body, strict)
}
if err != nil {
return nil, errors.Errorf(errors.CodeBadRequest, "%s failed to parse: %v", filePath, err)
}
return clusterWorkflowTmpls, nil
}