add info message when there is no hub index (#492)

cmd/crowdsec-cli/capi.go

@@ -126,6 +126,7 @@ func NewCapiCmd() *cobra.Command {
 			}
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to load hub index : %s", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			scenarios, err := cwhub.GetUpstreamInstalledScenariosAsString()
 			if err != nil {

cmd/crowdsec-cli/collections.go

@@ -43,7 +43,8 @@ func NewCollectionsCmd() *cobra.Command {
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			for _, name := range args {
 				InstallItem(name, cwhub.COLLECTIONS, forceInstall)
@@ -63,6 +64,7 @@ func NewCollectionsCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			if removeAll {
@@ -87,6 +89,7 @@ func NewCollectionsCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if upgradeAll {
 				UpgradeConfig(cwhub.COLLECTIONS, "", forceUpgrade)
@@ -109,7 +112,8 @@ func NewCollectionsCmd() *cobra.Command {
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			for _, name := range args {
 				InspectItem(name, cwhub.COLLECTIONS)
@@ -127,7 +131,8 @@ func NewCollectionsCmd() *cobra.Command {
 		Args:    cobra.ExactArgs(0),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			ListItem(cwhub.COLLECTIONS, args)
 		},

cmd/crowdsec-cli/config.go

@@ -297,7 +297,8 @@ func NewConfigCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			var err error
 			if err = cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if err = backupConfigToDirectory(args[0]); err != nil {
 				log.Fatalf("Failed to backup configurations: %s", err)
@@ -321,7 +322,8 @@ func NewConfigCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			var err error
 			if err = cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if err := restoreConfigFromDirectory(args[0]); err != nil {
 				log.Fatalf("failed restoring configurations from %s : %s", args[0], err)

cmd/crowdsec-cli/hub.go

@@ -42,6 +42,7 @@ cscli hub update # Download list of available configurations from the hub
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			cwhub.DisplaySummary()

cmd/crowdsec-cli/lapi.go

@@ -129,6 +129,7 @@ Keep in mind the machine needs to be validated by an administrator on LAPI side
 			}
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to load hub index : %s", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			scenarios, err := cwhub.GetUpstreamInstalledScenariosAsString()
 			if err != nil {

cmd/crowdsec-cli/parsers.go

@@ -47,7 +47,8 @@ cscli parsers remove crowdsecurity/sshd-logs
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			for _, name := range args {
 				InstallItem(name, cwhub.PARSERS, forceInstall)
@@ -67,6 +68,7 @@ cscli parsers remove crowdsecurity/sshd-logs
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			if removeAll {
@@ -91,6 +93,7 @@ cscli parsers remove crowdsecurity/sshd-logs
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if upgradeAll {
 				UpgradeConfig(cwhub.PARSERS, "", forceUpgrade)
@@ -113,7 +116,8 @@ cscli parsers remove crowdsecurity/sshd-logs
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			InspectItem(args[0], cwhub.PARSERS)
 		},
@@ -129,7 +133,8 @@ cscli parsers remove crowdsecurity/sshd-logs
 cscli parser list crowdsecurity/xxx`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			ListItem(cwhub.PARSERS, args)
 		},

cmd/crowdsec-cli/postoverflows.go

@@ -46,7 +46,8 @@ func NewPostOverflowsCmd() *cobra.Command {
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			for _, name := range args {
 				InstallItem(name, cwhub.PARSERS_OVFLW, forceInstall)
@@ -66,6 +67,7 @@ func NewPostOverflowsCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			if removeAll {
@@ -90,6 +92,7 @@ func NewPostOverflowsCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if upgradeAll {
 				UpgradeConfig(cwhub.PARSERS_OVFLW, "", forceUpgrade)
@@ -112,7 +115,8 @@ func NewPostOverflowsCmd() *cobra.Command {
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			InspectItem(args[0], cwhub.PARSERS_OVFLW)
 		},
@@ -127,7 +131,8 @@ func NewPostOverflowsCmd() *cobra.Command {
 cscli postoverflows list crowdsecurity/xxx`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			ListItem(cwhub.PARSERS_OVFLW, args)
 		},

cmd/crowdsec-cli/scenarios.go

@@ -47,7 +47,8 @@ cscli scenarios remove crowdsecurity/ssh-bf
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			for _, name := range args {
 				InstallItem(name, cwhub.SCENARIOS, forceInstall)
@@ -67,6 +68,7 @@ cscli scenarios remove crowdsecurity/ssh-bf
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			if removeAll {
@@ -91,6 +93,7 @@ cscli scenarios remove crowdsecurity/ssh-bf
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
 				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			if upgradeAll {
 				UpgradeConfig(cwhub.SCENARIOS, "", forceUpgrade)
@@ -113,7 +116,8 @@ cscli scenarios remove crowdsecurity/ssh-bf
 		Args:    cobra.MinimumNArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			InspectItem(args[0], cwhub.SCENARIOS)
 		},
@@ -129,7 +133,8 @@ cscli scenarios remove crowdsecurity/ssh-bf
 cscli scenarios list crowdsecurity/xxx`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 			ListItem(cwhub.SCENARIOS, args)
 		},

cmd/crowdsec-cli/simulation.go

@@ -126,7 +126,8 @@ cscli simulation disable crowdsecurity/ssh-bf`,
 		Example: `cscli simulation enable`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := cwhub.GetHubIdx(csConfig.Cscli); err != nil {
-				log.Fatalf("failed to get Hub index : %v", err)
+				log.Fatalf("Failed to get Hub index : %v", err)
+				log.Infoln("Run 'sudo cscli hub update' to get the hub index")
 			}
 
 			if len(args) > 0 {

pkg/cwhub/loader.go

@@ -342,7 +342,6 @@ func GetHubIdx(cscli *csconfig.CscliCfg) error {
 	bidx, err := ioutil.ReadFile(cscli.HubIndexFile)
 	if err != nil {
 		return errors.Wrap(err, "unable to read index file")
-		log.Fatalf("Unable to read downloaded index : %v. Please run update", err)
 	}
 	ret, err := LoadPkgIndex(bidx)
 	if err != nil {