Fixes #50 Adds --yaml option

Even though the default output looks similar to YAML, it is not
marshalled as YAML and thus shouldn't be parsed by YAML parsers since it
is unsafe.

This adds an official YAML output option, which also updates several
keys to match YAML naming conventions (snake case).

pkg/cmd/cli/bios/amd/epyc/rome/decoder.go

@@ -59,19 +59,19 @@ type Library struct {
 
 // Attribute is a single bios attribute
 type Attribute struct {
-	AttributeName string      `json:"AttributeName"`
-	DefaultValue  interface{} `json:"DefaultValue"` // can be int or string, maybe bool
-	DisplayName   string      `json:"DisplayName"`
-	HelpText      string      `json:"HelpText"`
-	ReadOnly      bool        `json:"ReadOnly"`
-	Type          string      `json:"Type"`
-	Value         []Value     `json:"Value"`
+	AttributeName string      `json:"AttributeName" yaml:"attribute_name"`
+	DefaultValue  interface{} `json:"DefaultValue" yaml:"default_value"` // can be int or string, maybe bool
+	DisplayName   string      `json:"DisplayName" yaml:"display_name"`
+	HelpText      string      `json:"HelpText" yaml:"help_text"`
+	ReadOnly      bool        `json:"ReadOnly" yaml:"read_only"`
+	Type          string      `json:"Type" yaml:"type"`
+	Value         []Value     `json:"Value" yaml:"value"`
 }
 
 // Value is the display name and a name
 type Value struct {
-	ValueDisplayName string `json:"ValueDisplayName"`
-	ValueName        string `json:"ValueName"`
+	ValueDisplayName string `json:"ValueDisplayName" yaml:"value_display_name"`
+	ValueName        string `json:"ValueName" yaml:"value_name"`
 }
 
 // newEmbeddedLibrary embeds JSON files from: sh control.Rome.BiosParameters.sh <BMC> renew_json

pkg/cmd/cli/bios/bios.go

@@ -41,9 +41,9 @@ import (
 
 // Settings is a structure for holding current BIOS attributes, pending attributes, and errors.
 type Settings struct {
-	Attributes map[string]interface{} `json:"attributes,omitempty"`
-	Pending    map[string]interface{} `json:"pending,omitempty"`
-	Error      error                  `json:"error,omitempty"`
+	Attributes map[string]interface{} `json:"attributes,omitempty" yaml:"attributes,omitempty"`
+	Pending    map[string]interface{} `json:"pending,omitempty" yaml:"pending,omitempty"`
+	Error      error                  `json:"error,omitempty" yaml:"error,omitempty"`
 }
 
 // Attributes are an array of attribute names (and optionally values).

pkg/cmd/cli/chassis/boot/boot.go

@@ -36,15 +36,15 @@ import (
 
 // Boot represents boot configuration on the BMC. Only Error is emitted on empty.
 type Boot struct {
-	Order []string `json:"order,omitempty"`
-	Next  string   `json:"next,omitempty"`
-	Error error    `json:"error,omitempty"`
+	Order []string `json:"order,omitempty" yaml:"order,omitempty"`
+	Next  string   `json:"next,omitempty" yaml:"next,omitempty"`
+	Error error    `json:"error,omitempty" yaml:"error,omitempty"`
 }
 
 // Override represents the result of the boot override.
 type Override struct {
-	Target redfish.BootSourceOverrideTarget `json:"target"`
-	Error  error                            `json:"error,omitempty"`
+	Target redfish.BootSourceOverrideTarget `json:"target" yaml:"target"`
+	Error  error                            `json:"error,omitempty" yaml:"error,omitempty"`
 }
 
 // NewCommand creates the `boot` subcommand for `chassis`.

pkg/cmd/cli/chassis/power/power.go

@@ -53,15 +53,15 @@ func NewCommand() *cobra.Command {
 
 // StateChange represents a change in power states.
 type StateChange struct {
-	PreviousPowerState  redfish.PowerState `json:"previousPowerState,omitempty"`
-	RequestedPowerState redfish.ResetType  `json:"requestedPowerState,omitempty"`
-	Error               error              `json:"error,omitempty"`
+	PreviousPowerState  redfish.PowerState `json:"previousPowerState,omitempty" yaml:"previous_power_state,omitempty"`
+	RequestedPowerState redfish.ResetType  `json:"requestedPowerState,omitempty" yaml:"requested_power_state,omitempty"`
+	Error               error              `json:"error,omitempty" yaml:"error,omitempty"`
 }
 
 // State represents a single power state.
 type State struct {
-	PowerState redfish.PowerState `json:"powerState"`
-	Error      error              `json:"error,omitempty"`
+	PowerState redfish.PowerState `json:"powerState" yaml:"power_state"`
+	Error      error              `json:"error,omitempty" yaml:"error,omitempty"`
 }
 
 // Issue issues an action against a host.

pkg/cmd/cli/cli.go

@@ -30,6 +30,7 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
+	"gopkg.in/yaml.v3"
 	"os"
 	"reflect"
 	"sort"
@@ -140,6 +141,12 @@ func MapPrint(content map[string]interface{}) {
 			panic(fmt.Errorf("could not create valid JSON from %v", content))
 		}
 		fmt.Printf("%s\n", string(JSON))
+	} else if viper.GetBool("yaml") {
+		YAML, err := yaml.Marshal(content)
+		if err != nil {
+			panic(fmt.Errorf("could not create valid YAML from %v", content))
+		}
+		fmt.Printf("%s\n", string(YAML))
 	} else {
 		keys := make([]string, 0, len(content))
 		for k := range content {

pkg/cmd/cli/system/system.go

@@ -28,10 +28,10 @@ package system
 
 // System represents system meta from the BMC. Only Error is omitted on empty.
 type System struct {
-	BIOSVersion     string `json:"biosVersion"`
-	FirmwareVersion string `json:"firmwareVersion"`
-	ProcessorModel  string `json:"processorModel"`
-	Manufacturer    string `json:"manufacturer"`
-	Model           string `json:"model"`
-	Error           error  `json:"error,omitempty"`
+	BIOSVersion     string `json:"biosVersion" yaml:"bios_version"`
+	FirmwareVersion string `json:"firmwareVersion" yaml:"firmware_version"`
+	ProcessorModel  string `json:"processorModel" yaml:"processor_model"`
+	Manufacturer    string `json:"manufacturer" yaml:"manufacturer"`
+	Model           string `json:"model" yaml:"model"`
+	Error           error  `json:"error,omitempty" yaml:"error,omitempty"`
 }

pkg/cmd/gru/gru.go

@@ -86,7 +86,13 @@ the YAML file may provide these per host.
 		"json",
 		"j",
 		false,
-		"Output results in JSON",
+		"Output in JSON",
+	)
+	c.PersistentFlags().BoolP(
+		"yaml",
+		"y",
+		false,
+		"Output in YAML",
 	)
 	c.AddCommand(
 		bios.NewCommand(),

spec/functional/bios_get_attributes_spec.sh

@@ -40,7 +40,16 @@ It "--config ${GRU_CONF} --attributes BootTimeout 127.0.0.1:5000 --json"
   The status should equal 0
   The stdout should include 'BootTimeout'
   The stdout should be_json
-  The lines of stderr should equal 0
+  The lines of stderr should equal 1
+End
+
+# getting a single key should return only those key in yaml
+It "--config ${GRU_CONF} --attributes BootTimeout 127.0.0.1:5000 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" --attributes BootTimeout 127.0.0.1:5000 --yaml
+  The status should equal 0
+  The stdout should include 'BootTimeout'
+  The stdout should be_yaml
+  The lines of stderr should equal 1
 End
 
 # getting multiple keys should return only those keys
@@ -60,7 +69,17 @@ It "--config ${GRU_CONF} --attributes ProcessorHyperThreadingDisable,SRIOVEnable
   The stdout should include 'ProcessorHyperThreadingDisable'
   The stdout should include 'SRIOVEnable'
   The stdout should be_json
-  The lines of stderr should equal 0
+  The lines of stderr should equal 1
+End
+
+# getting specific keys should return only those keys and should be yaml
+It "--config ${GRU_CONF} --attributes ProcessorHyperThreadingDisable,SRIOVEnable 127.0.0.1:5000 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" --attributes ProcessorHyperThreadingDisable,SRIOVEnable 127.0.0.1:5000 --yaml
+  The status should equal 0
+  The stdout should include 'ProcessorHyperThreadingDisable'
+  The stdout should include 'SRIOVEnable'
+  The stdout should be_yaml
+  The lines of stderr should equal 1
 End
 
 # it should error if no matching keys were found
@@ -103,8 +122,21 @@ It "--config ${GRU_CONF} --virtualization 127.0.0.1:5001 --json"
   The stdout should include 'Rome0059' # 'SMT Control'
   The stdout should include 'Rome0162' # 'IOMMU'
   The stdout should include 'Rome0565' # 'SVM Mode'
+  The lines of stderr should equal 1
   The stdout should be_json
-  The lines of stderr should equal 0
+End
+
+# --virtualization shortcut should return only virtualization attributes in yaml format (Gigabyte)
+It "--config ${GRU_CONF} --virtualization 127.0.0.1:5001 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" --virtualization 127.0.0.1:5001 --yaml
+  The status should equal 0
+  The stdout should include 'PCIS007' # 'SR-IOV Support'
+  The stdout should include 'Rome0039' # 'Local APIC Mode'
+  The stdout should include 'Rome0059' # 'SMT Control'
+  The stdout should include 'Rome0162' # 'IOMMU'
+  The stdout should include 'Rome0565' # 'SVM Mode'
+  The lines of stderr should equal 1
+  The stdout should be_yaml
 End
 
 # Gigabyte should return friendly names on non-json output
@@ -131,8 +163,23 @@ It "--config ${GRU_CONF} 127.0.0.1:5001 --json"
   The stdout should include 'Rome0179'
   The stdout should include 'Disabled'
   The stdout should not include 'Determinism Slider'
+  The lines of stderr should equal 1
   The stdout should be_json
-  The lines of stderr should equal 0
+End
+
+# Gigabyte should not return friendly names on yaml output
+It "--config ${GRU_CONF} 127.0.0.1:5001 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" 127.0.0.1:5001 --yaml
+  The status should equal 0
+  # check for some randome keys
+  The stdout should include 'TCG023'
+  The stdout should include 'Disabled'
+  The stdout should not include 'Disable Block Sid'
+  The stdout should include 'Rome0179'
+  The stdout should include 'Disabled'
+  The stdout should not include 'Determinism Slider'
+  The lines of stderr should equal 1
+  The stdout should be_yaml
 End
 
 End

spec/functional/bios_get_spec.sh

@@ -68,6 +68,17 @@ End
 #  The lines of stderr should equal 0
 #End
 
+# TODO: restore when marshaling YAML errors is fixed.
+# getting pending changes should return an error if the Bios/Settings.Attributes does not exist and be valid yaml
+#It "--config ${GRU_CONF} --pending 127.0.0.1:5000 --yaml"
+#  When call ./gru bios get --config "${GRU_CONF}" --pending 127.0.0.1:5000 --yaml
+#  The status should equal 0
+#  The stdout should include 'error'
+#  The stdout should include '\"Attributes\" does not exist or is null, the BIOS/firmware may need to updated for proper Attributes support'
+#  The stdout should be_yaml
+#  The lines of stderr should equal 1
+#End
+
 # getting keys from a file should return those keys
 It "--config ${GRU_CONF} --from-file ${GRU_BIOS_KV} 127.0.0.1:5000"
   When call ./gru bios get --config "${GRU_CONF}" --from-file "${GRU_BIOS_KV}" 127.0.0.1:5000
@@ -84,8 +95,18 @@ It "--config ${GRU_CONF} --from-file ${GRU_BIOS_KV} 127.0.0.1:5000 --json"
   The status should equal 0
   The stdout should include 'BootTimeout'
   The stdout should include 'SRIOVEnable'
+  The lines of stderr should equal 1
   The stdout should be_json
-  The lines of stderr should equal 0
+End
+
+# getting keys from a file should return those keys and be valid yaml
+It "--config ${GRU_CONF} --from-file ${GRU_BIOS_KV} 127.0.0.1:5000 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" --from-file "${GRU_BIOS_KV}" 127.0.0.1:5000 --yaml
+  The status should equal 0
+  The stdout should include 'BootTimeout'
+  The stdout should include 'SRIOVEnable'
+  The lines of stderr should equal 1
+  The stdout should be_yaml
 End
 
 # passing a shortcut should return a limited set of pre-defined keys
@@ -107,10 +128,21 @@ It "--config ${GRU_CONF} --virtualization 127.0.0.1:5003 --json"
   The stdout should include 'ProcAmdVirtualization'
   The stdout should include 'Sriov'
   The stdout should be_json
-  The lines of stderr should equal 0
+  The lines of stderr should equal 1
 End
 
-# piping in hosts should also work
+# passing a shortcut should return a limited set of pre-defined keys and be valid yaml
+It "--config ${GRU_CONF} --virtualization 127.0.0.1:5003 --yaml"
+  When call ./gru bios get --config "${GRU_CONF}" --virtualization 127.0.0.1:5003 --yaml
+  The status should equal 0
+  The stdout should include 'ProcAmdIOMMU'
+  The stdout should include 'ProcAmdVirtualization'
+  The stdout should include 'Sriov'
+  The stdout should be_json
+  The lines of stderr should equal 1
+End
+
+# piping in hosts should also work (json)
 Describe 'validate STDIN works'
   Data
     #|host1 127.0.0.1:5003
@@ -126,4 +158,20 @@ Describe 'validate STDIN works'
   End
 End
 
+# piping in hosts should also work (yaml)
+Describe 'validate STDIN works'
+  Data
+    #|host1 127.0.0.1:5003
+  End
+  It "echo 127.0.0.1:5003 | --config ${GRU_CONF} --virtualization 127.0.0.1:5003 --yaml"
+    When call ./gru bios get --config "${GRU_CONF}" --virtualization 127.0.0.1:5003 --yaml
+    The status should equal 0
+    The stdout should include 'ProcAmdIOMMU'
+    The stdout should include 'ProcAmdVirtualization'
+    The stdout should include 'Sriov'
+    The stdout should be_json
+    The lines of stderr should equal 1
+  End
+End
+
 End

spec/functional/bios_set_spec.sh

@@ -71,8 +71,18 @@ End
 #   The status should equal 0
 #   The stdout should include 'Error'
 #   The stdout should include 'BIOS reset failure: unable to execute request, no target provided'
+#   The lines of stderr should equal 1
 #   The stdout should be_json
-#   The lines of stderr should equal 0
+# End
+
+# # restoring defaults and be valid yaml
+# It "--config ${GRU_CONF} --defaults 127.0.0.1:5000 --yaml"
+#   When call ./gru bios set --config "${GRU_CONF}" --defaults 127.0.0.1:5000 --yaml
+#   The status should equal 0
+#   The stdout should include 'Error'
+#   The stdout should include 'BIOS reset failure: unable to execute request, no target provided'
+#   The lines of stderr should equal 1
+#   The stdout should be_yaml
 # End
 
 # # setting keys from a file should return those keys
@@ -107,8 +117,26 @@ End
 #   The stdout should include 'SRIOVEnable'
 #   The stdout should include 'SvrMngmntAcpiIpmi'
 #   The stdout should include 'VTdSupport'
+#   The lines of stderr should equal 1
 #   The stdout should be_json
-#   The lines of stderr should equal 0
+# End
+
+# # setting keys from a file should return those keys and be valid yaml
+# It "--config ${GRU_CONF} --from-file ${GRU_BIOS_KV} 127.0.0.1:5000 --yaml"
+#   When call ./gru bios set --config "${GRU_CONF}" --from-file "${GRU_BIOS_KV}" 127.0.0.1:5000 --yaml
+#   The status should equal 0
+#   The stdout should include 'Pending'
+#   The stdout should include 'Attributes'
+#   The stdout should include 'BootMode'
+#   The stdout should include 'BootTimeout'
+#   The stdout should include 'ProcessorHyperThreadingDisable'
+#   The stdout should include 'ProcessorVmxEnable'
+#   The stdout should include 'ProcessorX2apic'
+#   The stdout should include 'SRIOVEnable'
+#   The stdout should include 'SvrMngmntAcpiIpmi'
+#   The stdout should include 'VTdSupport'
+#   The lines of stderr should equal 1
+#   The stdout should be_yaml
 # End
 
 # # passing a shortcut should return a limited set of pre-defined keys
@@ -136,8 +164,24 @@ End
 #   The stdout should include 'SRIOVEnable'
 #   The stdout should include 'SvrMngmntAcpiIpmi'
 #   The stdout should include 'VTdSupport'
+#   The lines of stderr should equal 1
 #   The stdout should be_json
-#   The lines of stderr should equal 0
+# End
+
+
+# # passing a shortcut should return a limited set of pre-defined keys and be valid yaml
+# It "--config ${GRU_CONF} --virtualization 127.0.0.1:5000 --yaml"
+#   When call ./gru bios set --config "${GRU_CONF}" --virtualization 127.0.0.1:5000 --yaml
+#   The status should equal 0
+#   The stdout should include 'BootMode'
+#   The stdout should include 'ProcessorHyperThreadingDisable'
+#   The stdout should include 'ProcessorVmxEnable'
+#   The stdout should include 'ProcessorX2apic'
+#   The stdout should include 'SRIOVEnable'
+#   The stdout should include 'SvrMngmntAcpiIpmi'
+#   The stdout should include 'VTdSupport'
+#   The lines of stderr should equal 1
+#   The stdout should be_yaml
 # End
 
 End