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Make CLI functions return error instead of fatal out (#1379)

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Before this PR, CLI functions fatal out when encountering error
instead of returning it. Such behavior makes it hard to reuse 
the functions nor writing unit tests. This PR aims to make functions 
return errors instead of error out.
This commit is contained in:
Ta-Ching Chen
2019-11-05 16:50:13 +08:00
committed by GitHub
parent b0d27ee5d2
commit 93d4b88d84
72 changed files with 894 additions and 632 deletions
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pkg/fission-cli/cmd/function/create.go
+15 -11
View File
@@ -30,11 +30,11 @@ import (
"github.com/fission/fission/pkg/controller/client"
ferror "github.com/fission/fission/pkg/error"
"github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
"github.com/fission/fission/pkg/fission-cli/cmd"
"github.com/fission/fission/pkg/fission-cli/cmd/httptrigger"
_package "github.com/fission/fission/pkg/fission-cli/cmd/package"
"github.com/fission/fission/pkg/fission-cli/cmd/spec"
"github.com/fission/fission/pkg/fission-cli/log"
"github.com/fission/fission/pkg/fission-cli/consolemsg"
"github.com/fission/fission/pkg/fission-cli/util"
"github.com/fission/fission/pkg/types"
)
@@ -50,8 +50,12 @@ type CreateSubCommand struct {
}
func Create(flags cli.Input) error {
c, err := util.GetServer(flags)
if err != nil {
return err
}
opts := CreateSubCommand{
client: cmd.GetServer(flags),
client: c,
}
return opts.do(flags)
}
@@ -79,10 +83,10 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
toSpec = true
opts.specFile = fmt.Sprintf("function-%v.yaml", fnName)
}
specDir := cmd.GetSpecDir(flags)
specDir := util.GetSpecDir(flags)
// check for unique function names within a namespace
metadata, err := cmd.GetMetadata("name", "fnNamespace", flags)
metadata, err := util.GetMetadata("name", "fnNamespace", flags)
if err != nil {
return err
}
@@ -110,7 +114,7 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
if err != nil {
return err
}
resourceReq, err := cmd.GetResourceReqs(flags, &apiv1.ResourceRequirements{})
resourceReq, err := util.GetResourceReqs(flags, &apiv1.ResourceRequirements{})
if err != nil {
return err
}
@@ -129,7 +133,7 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
pkgMetadata = &pkg.Metadata
envName = pkg.Spec.Environment.Name
if envName != flags.String("env") {
log.Warn("Function's environment is different than package's environment, package's environment will be used for creating function")
consolemsg.Warn("Function's environment is different than package's environment, package's environment will be used for creating function")
}
envNamespace = pkg.Spec.Environment.Namespace
} else {
@@ -147,7 +151,7 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
})
if err != nil {
if e, ok := err.(ferror.Error); ok && e.Code == ferror.ErrorNotFound {
log.Warn(fmt.Sprintf("Environment \"%v\" does not exist. Please create the environment before executing the function. \nFor example: `fission env create --name %v --envns %v --image <image>`\n", envName, envName, envNamespace))
consolemsg.Warn(fmt.Sprintf("Environment \"%v\" does not exist. Please create the environment before executing the function. \nFor example: `fission env create --name %v --envns %v --image <image>`\n", envName, envName, envNamespace))
} else {
return errors.Wrap(err, "error retrieving environment information")
}
@@ -192,7 +196,7 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
})
if err != nil {
if k8serrors.IsNotFound(err) {
log.Warn(fmt.Sprintf("Secret %s not found in Namespace: %s. Secret needs to be present in the same namespace as function", secretName, fnNamespace))
consolemsg.Warn(fmt.Sprintf("Secret %s not found in Namespace: %s. Secret needs to be present in the same namespace as function", secretName, fnNamespace))
} else {
return errors.Wrap(err, "error checking secret")
}
@@ -216,7 +220,7 @@ func (opts *CreateSubCommand) complete(flags cli.Input) error {
})
if err != nil {
if k8serrors.IsNotFound(err) {
log.Warn(fmt.Sprintf("ConfigMap %s not found in Namespace: %s. ConfigMap needs to be present in the same namespace as function", cfgMapName, fnNamespace))
consolemsg.Warn(fmt.Sprintf("ConfigMap %s not found in Namespace: %s. ConfigMap needs to be present in the same namespace as function", cfgMapName, fnNamespace))
} else {
return errors.Wrap(err, "error checking configmap")
}
@@ -353,7 +357,7 @@ func getInvokeStrategy(flags cli.Input, existingInvokeStrategy *fv1.InvokeStrate
}
if flags.IsSet("mincpu") || flags.IsSet("maxcpu") || flags.IsSet("minmemory") || flags.IsSet("maxmemory") {
log.Warn("To limit CPU/Memory for function with executor type \"poolmgr\", please specify resources limits when creating environment")
consolemsg.Warn("To limit CPU/Memory for function with executor type \"poolmgr\", please specify resources limits when creating environment")
}
strategy = &fv1.InvokeStrategy{
StrategyType: fv1.StrategyTypeExecution,