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remove cli.Context from main goss packages (#546)

* remote cli.Context from main goss packages

This turns the cli.Context into a plain struct and passes the
struct, or fields from the struct, into all the various goss
internals.

This is a step one towards being able to use goss as a package
without requiring the CLI stuff

* add comments to new functionality

* remove os.Exit() and use error propagation instead

This is the result of simply grepping through the code and finding
os.Exit(1) and replacing those with err being returned, also a few
places errors were ignored I now return them so there might be a
bit of additional errors appearing - but I think they are good
it's mostly around WriteJson and fails to add resources - error
reporting there seems like a good thing

* remove some log.Fatal() calls

* Update cmd/goss/goss.go

Co-authored-by: Ahmed Elsabbahy <aelsabbahy@users.noreply.github.com>
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ripienaar and aelsabbahy committed Feb 26, 2020
1 parent da32f41 commit 81b227a3c5a241145de24d8ff4a48e105adfa104
Showing with 387 additions and 234 deletions.
  1. +57 −60 add.go
  2. +70 −35 cmd/goss/goss.go
  3. +3 −5 outputs/outputs.go
  4. +12 −3 resource/process.go
  5. +14 −5 resource/resource_list.go
  6. +27 −14 serve.go
  7. +80 −50 store.go
  8. +11 −10 system/process.go
  9. +13 −9 system/system.go
  10. +15 −9 template.go
  11. +85 −34 validate.go
117 add.go
@@ -9,184 +9,177 @@ import (

"github.com/aelsabbahy/goss/system"
"github.com/aelsabbahy/goss/util"
"github.com/urfave/cli"
)

// Simple wrapper to add multiple resources
func AddResources(fileName, resourceName string, keys []string, c *cli.Context) error {
outStoreFormat = getStoreFormatFromFileName(fileName)
func AddResources(fileName, resourceName string, keys []string, c *RuntimeConfig) error {
var err error
outStoreFormat, err = getStoreFormatFromFileName(fileName)
if err != nil {
return err
}

config := util.Config{
IgnoreList: c.GlobalStringSlice("exclude-attr"),
Timeout: int(c.Duration("timeout") / time.Millisecond),
AllowInsecure: c.Bool("insecure"),
NoFollowRedirects: c.Bool("no-follow-redirects"),
Server: c.String("server"),
Username: c.String("username"),
Password: c.String("password"),
IgnoreList: c.ExcludeAttributes,
Timeout: int(c.Timeout / time.Millisecond),
AllowInsecure: c.Insecure,
NoFollowRedirects: c.NoFollowRedirects,
Server: c.Server,
Username: c.Username,
Password: c.Password,
}

var gossConfig GossConfig
if _, err := os.Stat(fileName); err == nil {
gossConfig = ReadJSON(fileName)
gossConfig, err = ReadJSON(fileName)
if err != nil {
return err
}
} else {
gossConfig = *NewGossConfig()
}

sys := system.New(c)
sys := system.New(c.PackageManager)

for _, key := range keys {
if err := AddResource(fileName, gossConfig, resourceName, key, c, config, sys); err != nil {
if err := AddResource(fileName, gossConfig, resourceName, key, config, sys); err != nil {
return err
}
}
WriteJSON(fileName, gossConfig)

return nil
return WriteJSON(fileName, gossConfig)
}

func AddResource(fileName string, gossConfig GossConfig, resourceName, key string, c *cli.Context, config util.Config, sys *system.System) error {
func AddResource(fileName string, gossConfig GossConfig, resourceName, key string, config util.Config, sys *system.System) error {
// Need to figure out a good way to refactor this
switch resourceName {
case "Addr":
res, err := gossConfig.Addrs.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Command":
res, err := gossConfig.Commands.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "DNS":
res, err := gossConfig.DNS.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "File":
res, err := gossConfig.Files.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Group":
res, err := gossConfig.Groups.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Package":
res, err := gossConfig.Packages.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Port":
res, err := gossConfig.Ports.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Process":
res, err := gossConfig.Processes.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Service":
res, err := gossConfig.Services.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "User":
res, err := gossConfig.Users.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Gossfile":
res, err := gossConfig.Gossfiles.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "KernelParam":
res, err := gossConfig.KernelParams.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Mount":
res, err := gossConfig.Mounts.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "Interface":
res, err := gossConfig.Interfaces.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
case "HTTP":
res, err := gossConfig.HTTPs.AppendSysResource(key, sys, config)
if err != nil {
fmt.Println(err)
os.Exit(1)
return err
}
resourcePrint(fileName, res)
default:
panic("Undefined resource name: " + resourceName)
return fmt.Errorf("undefined resource name: %s", resourceName)
}

return nil
}

// Simple wrapper to add multiple resources
func AutoAddResources(fileName string, keys []string, c *cli.Context) error {
outStoreFormat = getStoreFormatFromFileName(fileName)
config := util.Config{
IgnoreList: c.GlobalStringSlice("exclude-attr"),
Timeout: int(c.Duration("timeout") / time.Millisecond),
func AutoAddResources(fileName string, keys []string, c *RuntimeConfig) error {
var err error
outStoreFormat, err = getStoreFormatFromFileName(fileName)
if err != nil {
return err
}

var gossConfig GossConfig
if _, err := os.Stat(fileName); err == nil {
gossConfig = ReadJSON(fileName)
if _, err = os.Stat(fileName); err == nil {
gossConfig, err = ReadJSON(fileName)
if err != nil {
return err
}
} else {
gossConfig = *NewGossConfig()
}

sys := system.New(c)
sys := system.New(c.PackageManager)

for _, key := range keys {
if err := AutoAddResource(fileName, gossConfig, key, c, config, sys); err != nil {
if err := AutoAddResource(fileName, gossConfig, key, sys); err != nil {
return err
}
}
WriteJSON(fileName, gossConfig)

return nil
return WriteJSON(fileName, gossConfig)
}

func AutoAddResource(fileName string, gossConfig GossConfig, key string, c *cli.Context, config util.Config, sys *system.System) error {
func AutoAddResource(fileName string, gossConfig GossConfig, key string, sys *system.System) error {
// file
if strings.Contains(key, "/") {
if res, _, ok := gossConfig.Files.AppendSysResourceIfExists(key, sys); ok == true {
@@ -210,7 +203,11 @@ func AutoAddResource(fileName string, gossConfig GossConfig, key string, c *cli.
}

// process
if res, sysres, ok := gossConfig.Processes.AppendSysResourceIfExists(key, sys); ok == true {
res, sysres, ok, err := gossConfig.Processes.AppendSysResourceIfExists(key, sys)
if err != nil {
return err
}
if ok {
resourcePrint(fileName, res)
ports := system.GetPorts(true)
pids, _ := sysres.Pids()

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