func createConfigFromMetadata()

in agentconfig/agentconfig.go [224:355]
114 lines of code
29 McCabe index (conditional complexity)

func createConfigFromMetadata(md metadataJSON) *config {
	old := getAgentConfig()
	c := &config{
		osInventoryEnabled:      osInventoryEnabledDefault,
		guestPoliciesEnabled:    guestPoliciesEnabledDefault,
		taskNotificationEnabled: taskNotificationEnabledDefault,
		debugEnabled:            debugEnabledDefault,
		svcEndpoint:             prodEndpoint,
		osConfigPollInterval:    osConfigPollIntervalDefault,

		googetRepoFilePath: googetRepoFilePath,
		zypperRepoFilePath: zypperRepoFilePath,
		yumRepoFilePath:    yumRepoFilePath,
		aptRepoFilePath:    aptRepoFilePath,

		projectID:        old.projectID,
		numericProjectID: old.numericProjectID,
		instanceZone:     old.instanceZone,
		instanceName:     old.instanceName,
		instanceID:       old.instanceID,
	}

	if md.Project.ProjectID != "" {
		c.projectID = md.Project.ProjectID
	}
	if md.Project.NumericProjectID != 0 {
		c.numericProjectID = md.Project.NumericProjectID
	}
	if md.Instance.Zone != "" {
		c.instanceZone = md.Instance.Zone
	}
	if md.Instance.Name != "" {
		c.instanceName = md.Instance.Name
	}
	if md.Instance.ID != nil {
		c.instanceID = md.Instance.ID.String()
	}

	// Check project first then instance as instance metadata overrides project.
	switch {
	case md.Project.Attributes.InventoryEnabled != "":
		c.osInventoryEnabled = parseBool(md.Project.Attributes.InventoryEnabled)
	case md.Project.Attributes.InventoryEnabledOld != "":
		c.osInventoryEnabled = parseBool(md.Project.Attributes.InventoryEnabledOld)
	}

	c.parseFeatures(md.Project.Attributes.PreReleaseFeaturesOld, true)
	c.parseFeatures(md.Project.Attributes.PreReleaseFeatures, true)
	if md.Project.Attributes.OSConfigEnabled != "" {
		e := parseBool(md.Project.Attributes.OSConfigEnabled)
		c.taskNotificationEnabled = e
		c.guestPoliciesEnabled = e
		c.osInventoryEnabled = e
	}
	c.parseFeatures(md.Project.Attributes.DisabledFeatures, false)

	switch {
	case md.Instance.Attributes.InventoryEnabled != "":
		c.osInventoryEnabled = parseBool(md.Instance.Attributes.InventoryEnabled)
	case md.Instance.Attributes.InventoryEnabledOld != "":
		c.osInventoryEnabled = parseBool(md.Instance.Attributes.InventoryEnabledOld)
	}

	c.parseFeatures(md.Instance.Attributes.PreReleaseFeaturesOld, true)
	c.parseFeatures(md.Instance.Attributes.PreReleaseFeatures, true)
	if md.Instance.Attributes.OSConfigEnabled != "" {
		e := parseBool(md.Instance.Attributes.OSConfigEnabled)
		c.taskNotificationEnabled = e
		c.guestPoliciesEnabled = e
		c.osInventoryEnabled = e
	}
	c.parseFeatures(md.Instance.Attributes.DisabledFeatures, false)

	switch {
	case md.Project.Attributes.PollInterval != nil:
		if val, err := md.Project.Attributes.PollInterval.Int64(); err == nil {
			c.osConfigPollInterval = int(val)
		}
	case md.Project.Attributes.PollIntervalOld != nil:
		if val, err := md.Project.Attributes.PollIntervalOld.Int64(); err == nil {
			c.osConfigPollInterval = int(val)
		}
	}

	switch {
	case md.Instance.Attributes.PollInterval != nil:
		if val, err := md.Instance.Attributes.PollInterval.Int64(); err == nil {
			c.osConfigPollInterval = int(val)
		}
	case md.Instance.Attributes.PollIntervalOld != nil:
		if val, err := md.Instance.Attributes.PollInterval.Int64(); err == nil {
			c.osConfigPollInterval = int(val)
		}
	}

	switch {
	case md.Project.Attributes.DebugEnabledOld != "":
		c.debugEnabled = parseBool(md.Project.Attributes.DebugEnabledOld)
	case md.Instance.Attributes.DebugEnabledOld != "":
		c.debugEnabled = parseBool(md.Instance.Attributes.DebugEnabledOld)
	}

	switch strings.ToLower(md.Project.Attributes.LogLevel) {
	case "debug":
		c.debugEnabled = true
	case "info":
		c.debugEnabled = false
	}

	switch strings.ToLower(md.Instance.Attributes.LogLevel) {
	case "debug":
		c.debugEnabled = true
	case "info":
		c.debugEnabled = false
	}

	if md.Project.Attributes.EnableGuestAttributes != "" {
		c.guestAttributesEnabled = parseBool(md.Project.Attributes.EnableGuestAttributes)
	}
	if md.Instance.Attributes.EnableGuestAttributes != "" {
		c.guestAttributesEnabled = parseBool(md.Instance.Attributes.EnableGuestAttributes)
	}

	// Flags take precedence over metadata.
	if *debug {
		c.debugEnabled = true
	}

	setSVCEndpoint(md, c)

	return c
}