Add balena block create command for creating Blocks

Change-type: minor

completion/_balena

@@ -8,10 +8,11 @@ _balena() {
   local context state line curcontext="$curcontext"
 
   # Valid top-level completions
-  main_commands=( build deploy envs fleets join keys leave login logout logs note orgs preload push releases scan settings ssh support tags tunnel version whoami api-key api-keys app config device device devices env fleet fleet internal key key local os release release tag util )
+  main_commands=( build deploy envs fleets join keys leave login logout logs note orgs preload push releases scan settings ssh support tags tunnel version whoami api-key api-keys app block config device device devices env fleet fleet internal key key local os release release tag util )
   # Sub-completions
   api_key_cmds=( generate )
   app_cmds=( create )
+  block_cmds=( create )
   config_cmds=( generate inject read reconfigure write )
   device_cmds=( deactivate identify init local-mode move os-update pin public-url purge reboot register rename restart rm shutdown track-fleet )
   devices_cmds=( supported )
@@ -47,6 +48,9 @@ _balena_sec_cmds() {
       "app")
         _describe -t app_cmds 'app_cmd' app_cmds "$@" && ret=0
       ;;
+      "block")
+        _describe -t block_cmds 'block_cmd' block_cmds "$@" && ret=0
+      ;;
       "config")
         _describe -t config_cmds 'config_cmd' config_cmds "$@" && ret=0
       ;;

completion/balena-completion.bash

@@ -7,10 +7,11 @@ _balena_complete()
   local cur prev
 
   # Valid top-level completions
-  main_commands="build deploy envs fleets join keys leave login logout logs note orgs preload push releases scan settings ssh support tags tunnel version whoami api-key api-keys app config device device devices env fleet fleet internal key key local os release release tag util"
+  main_commands="build deploy envs fleets join keys leave login logout logs note orgs preload push releases scan settings ssh support tags tunnel version whoami api-key api-keys app block config device device devices env fleet fleet internal key key local os release release tag util"
   # Sub-completions
   api_key_cmds="generate"
   app_cmds="create"
+  block_cmds="create"
   config_cmds="generate inject read reconfigure write"
   device_cmds="deactivate identify init local-mode move os-update pin public-url purge reboot register rename restart rm shutdown track-fleet"
   devices_cmds="supported"
@@ -41,6 +42,9 @@ _balena_complete()
       app)
         COMPREPLY=( $(compgen -W "$app_cmds" -- $cur) )
         ;;
+      block)
+        COMPREPLY=( $(compgen -W "$block_cmds" -- $cur) )
+        ;;
       config)
         COMPREPLY=( $(compgen -W "$config_cmds" -- $cur) )
         ;;

lib/commands/block/create.ts

@@ -0,0 +1,150 @@
+/**
+ * @license
+ * Copyright 2016-2021 Balena Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { flags } from '@oclif/command';
+
+import Command from '../../command';
+import { ExpectedError } from '../../errors';
+import * as cf from '../../utils/common-flags';
+import { getBalenaSdk, stripIndent } from '../../utils/lazy';
+
+interface FlagsDef {
+	organization?: string;
+	type?: string; // application device type
+	help: void;
+}
+
+interface ArgsDef {
+	name: string;
+}
+
+export default class BlockCreateCmd extends Command {
+	public static description = stripIndent`
+		Create an block.
+
+		Create a new balena block.
+
+		You can specify the organization the block should belong to using
+		the \`--organization\` option. The organization's handle, not its name,
+		should be provided. Organization handles can be listed with the
+		\`balena orgs\` command.
+
+		The block's default device type is specified with the \`--type\` option.
+		The \`balena devices supported\` command can be used to list the available
+		device types.
+
+		Interactive dropdowns will be shown for selection if no device type or
+		organization is specified and there are multiple options to choose from.
+		If there is a single option to choose from, it will be chosen automatically.
+		This interactive behavior can be disabled by explicitly specifying a device
+		type and organization.
+	`;
+
+	public static examples = [
+		'$ balena block create MyBlock',
+		'$ balena block create MyBlock --organization mmyorg',
+		'$ balena block create MyBlock -o myorg --type raspberry-pi',
+	];
+
+	public static args = [
+		{
+			name: 'name',
+			description: 'block name',
+			required: true,
+		},
+	];
+
+	public static usage = 'block create <name>';
+
+	public static flags: flags.Input<FlagsDef> = {
+		organization: flags.string({
+			char: 'o',
+			description: 'handle of the organization the block should belong to',
+		}),
+		type: flags.string({
+			char: 't',
+			description:
+				'block device type (Check available types with `balena devices supported`)',
+		}),
+		help: cf.help,
+	};
+
+	public static authenticated = true;
+
+	public async run() {
+		const { args: params, flags: options } = this.parse<FlagsDef, ArgsDef>(
+			BlockCreateCmd,
+		);
+
+		// Ascertain device type
+		const deviceType =
+			options.type ||
+			(await (await import('../../utils/patterns')).selectDeviceType());
+
+		// Ascertain organization
+		const organization =
+			options.organization?.toLowerCase() || (await this.getOrganization());
+
+		// Create application
+		try {
+			const application = await getBalenaSdk().models.application.create({
+				name: params.name,
+				deviceType,
+				organization,
+				applicationClass: 'block',
+			});
+
+			// Output
+			console.log(
+				`Block created: slug "${application.slug}", device type "${deviceType}"`,
+			);
+		} catch (err) {
+			if ((err.message || '').toLowerCase().includes('unique')) {
+				// BalenaRequestError: Request error: "organization" and "app_name" must be unique.
+				throw new ExpectedError(
+					`Error: An app or block or fleet with the name "${params.name}" already exists in organization "${organization}".`,
+				);
+			} else if ((err.message || '').toLowerCase().includes('unauthorized')) {
+				// BalenaRequestError: Request error: Unauthorized
+				throw new ExpectedError(
+					`Error: You are not authorized to create blocks in organization "${organization}".`,
+				);
+			}
+
+			throw err;
+		}
+	}
+
+	async getOrganization() {
+		const { getOwnOrganizations } = await import('../../utils/sdk');
+		const organizations = await getOwnOrganizations(getBalenaSdk(), {
+			$select: ['name', 'handle'],
+		});
+
+		if (organizations.length === 0) {
+			// User is not a member of any organizations (should not happen).
+			throw new Error('This account is not a member of any organizations');
+		} else if (organizations.length === 1) {
+			// User is a member of only one organization - use this.
+			return organizations[0].handle;
+		} else {
+			// User is a member of multiple organizations -
+			const { selectOrganization } = await import('../../utils/patterns');
+			return selectOrganization(organizations);
+		}
+	}
+}