523 lines
15 KiB
JavaScript
523 lines
15 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* Copyright 2015 Joyent, Inc.
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*
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* `triton rbac role ...`
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*/
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var assert = require('assert-plus');
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var format = require('util').format;
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var fs = require('fs');
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var strsplit = require('strsplit');
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var vasync = require('vasync');
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var common = require('../common');
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var errors = require('../errors');
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var UPDATABLE_ROLE_FIELDS = [
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{key: 'name', required: true},
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{key: 'default_members', array: true},
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{key: 'members', array: true},
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{key: 'policies', array: true}
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];
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var CREATE_ROLE_FIELDS = [
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{key: 'name', required: true},
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{key: 'default_members', array: true},
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{key: 'members', array: true},
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{key: 'policies', array: true}
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];
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var SHOW_ORDER_FIELDS = [
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'id', 'name', 'default_members', 'members', 'policies'
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];
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var _isArrayFromKey = {};
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UPDATABLE_ROLE_FIELDS.forEach(function (field) {
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_isArrayFromKey[field.key] = Boolean(field.array);
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});
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function _arrayFromCSV(csv) {
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// JSSTYLED
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return csv.split(/\s*,\s*/g).filter(function (v) { return v; });
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}
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function _showRole(opts, cb) {
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assert.object(opts.cli, 'opts.cli');
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assert.string(opts.id, 'opts.id');
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assert.func(cb, 'cb');
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var cli = opts.cli;
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cli.tritonapi.cloudapi.getRole({id: opts.id}, function onRole(err, role) {
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if (err) {
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cb(err);
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return;
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}
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if (opts.json) {
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console.log(JSON.stringify(role));
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} else {
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var keys = Object.keys(role);
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keys.sort(function cmpKeys(a, b) {
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var idxA = SHOW_ORDER_FIELDS.indexOf(a);
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var idxB = SHOW_ORDER_FIELDS.indexOf(b);
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if (idxA === -1 && idxB === -1) {
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return 0;
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} else if (idxA === -1) {
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return -1;
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} else if (idxB === -1) {
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return 1;
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} else if (idxA < idxB) {
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return -1;
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} else if (idxA > idxB) {
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return 1;
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}
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});
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keys.forEach(function (key) {
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var val = role[key];
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if (Array.isArray(val)) {
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val = val.join(', ');
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}
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console.log('%s: %s', key, val);
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});
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}
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cb();
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});
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}
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function _yamlishFromRole(role) {
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assert.object(role, 'role');
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var lines = [];
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UPDATABLE_ROLE_FIELDS.forEach(function (field) {
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var key = field.key;
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var val = role[key];
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if (!val) {
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val = '';
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} else if (Array.isArray(val)) {
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val = val.join(', ');
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}
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lines.push(format('%s: %s', key, val));
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});
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return lines.join('\n') + '\n';
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}
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function _roleFromYamlish(yamlish) {
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assert.string(yamlish, 'yamlish');
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var role = {};
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var lines = yamlish.split(/\n/g);
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lines.forEach(function (line) {
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var commentIdx = line.indexOf('#');
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if (commentIdx !== -1) {
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line = line.slice(0, commentIdx);
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}
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line = line.trim();
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if (!line) {
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return;
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}
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var parts = strsplit(line, ':', 2);
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var key = parts[0].trim();
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var value = parts[1].trim();
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if (_isArrayFromKey[key]) {
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value = _arrayFromCSV(value);
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}
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role[key] = value;
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});
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return role;
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}
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function _editRole(opts, cb) {
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assert.object(opts.cli, 'opts.cli');
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assert.string(opts.id, 'opts.id');
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assert.func(cb, 'cb');
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var cli = opts.cli;
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var role;
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var filename;
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var origText;
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function offerRetry(afterText) {
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common.promptEnter(
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'Press <Enter> to re-edit, Ctrl+C to abort.',
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function (aborted) {
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if (aborted) {
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console.log('\nAborting. No change made to role.');
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cb();
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} else {
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editAttempt(afterText);
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}
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});
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}
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function editAttempt(text) {
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common.editInEditor({
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text: text,
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filename: filename
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}, function (err, afterText, changed) {
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if (err) {
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return cb(new errors.TritonError(err));
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}
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// We don't use this `changed` in case it is a second attempt.
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try {
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var editedRole = _roleFromYamlish(afterText);
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editedRole.id = role.id;
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if (_yamlishFromRole(editedRole) === origText) {
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// This YAMLish is the closest to a canonical form we have.
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console.log('No change to role');
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cb();
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return;
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}
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} catch (textErr) {
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console.error('Error with your changes: %s', textErr);
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offerRetry(afterText);
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return;
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}
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// Save changes.
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cli.tritonapi.cloudapi.updateRole(editedRole, function (uErr, ur) {
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if (uErr) {
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console.error('Error updating role with your changes: %s',
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uErr);
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offerRetry(afterText);
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return;
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}
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console.log('Updated role "%s" (%s)', ur.name, ur.id);
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cb();
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});
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});
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}
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cli.tritonapi.cloudapi.getRole({id: opts.id}, function onRole(err, role_) {
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if (err) {
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return cb(err);
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}
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role = role_;
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filename = format('%s-role-%s.txt', cli.tritonapi.profile.account,
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role.name);
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origText = _yamlishFromRole(role);
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editAttempt(origText);
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});
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}
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function _deleteRoles(opts, cb) {
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assert.object(opts.cli, 'opts.cli');
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assert.arrayOfString(opts.ids, 'opts.ids');
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assert.optionalBool(opts.yes, 'opts.yes');
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assert.func(cb, 'cb');
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var cli = opts.cli;
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if (opts.ids.length === 0) {
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cb();
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return;
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}
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vasync.pipeline({funcs: [
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function confirm(_, next) {
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if (opts.yes) {
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return next();
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}
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var msg;
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if (opts.ids.length === 1) {
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msg = 'Delete role "' + opts.ids[0] + '"? [y/n] ';
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} else {
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msg = format('Delete %d roles (%s)? [y/n] ',
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opts.ids.length, opts.ids.join(', '));
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}
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common.promptYesNo({msg: msg}, function (answer) {
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if (answer !== 'y') {
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console.error('Aborting');
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next(true); // early abort signal
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} else {
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next();
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}
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});
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},
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function deleteThem(_, next) {
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vasync.forEachPipeline({
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inputs: opts.ids,
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func: function deleteOne(id, nextId) {
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cli.tritonapi.deleteRole({id: id}, function (err) {
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if (err) {
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nextId(err);
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return;
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}
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console.log('Deleted role "%s"', id);
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nextId();
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});
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}
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}, next);
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}
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]}, function (err) {
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if (err === true) {
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err = null;
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}
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cb(err);
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});
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}
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function _addRole(opts, cb) {
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assert.object(opts.cli, 'opts.cli');
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assert.optionalString(opts.file, 'opts.file');
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assert.func(cb, 'cb');
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var cli = opts.cli;
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var log = cli.log;
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var data;
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vasync.pipeline({funcs: [
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function gatherDataStdin(_, next) {
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if (opts.file !== '-') {
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return next();
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}
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common.readStdin(function gotStdin(stdin) {
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try {
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data = JSON.parse(stdin);
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} catch (err) {
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log.trace({stdin: stdin}, 'invalid role JSON on stdin');
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return next(new errors.TritonError(
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format('invalid role JSON on stdin: %s', err)));
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}
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next();
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});
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},
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function gatherDataFile(_, next) {
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if (!opts.file || opts.file === '-') {
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return next();
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}
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var input = fs.readFileSync(opts.file);
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try {
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data = JSON.parse(input);
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} catch (err) {
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return next(new errors.TritonError(format(
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'invalid role JSON in "%s": %s', opts.file, err)));
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}
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next();
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},
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function gatherDataInteractive(_, next) {
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if (opts.file) {
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return next();
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} else if (!process.stdin.isTTY) {
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return next(new errors.UsageError('cannot interactively ' +
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'create a role: stdin is not a TTY'));
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} else if (!process.stdout.isTTY) {
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return next(new errors.UsageError('cannot interactively ' +
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'create a role: stdout is not a TTY'));
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}
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// TODO: retries on failure
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// TODO: on failure write out to a tmp file with cmd to add it
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data = {};
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vasync.forEachPipeline({
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inputs: CREATE_ROLE_FIELDS,
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func: function getField(field_, nextField) {
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var field = common.objCopy(field_);
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// 'members' needs to hold all default_members, so default
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// that.
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if (field.key === 'members') {
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field['default'] = data['default_members'].join(', ');
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}
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common.promptField(field, function (err, value) {
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if (value) {
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if (_isArrayFromKey[field.key]) {
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value = _arrayFromCSV(value);
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}
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data[field.key] = value;
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}
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nextField(err);
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});
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}
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}, function (err) {
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console.log();
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next(err);
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});
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},
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function validateData(_, next) {
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var missing = [];
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var dataCopy = common.objCopy(data);
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CREATE_ROLE_FIELDS.forEach(function (field) {
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if (dataCopy.hasOwnProperty(field.key)) {
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delete dataCopy[field.key];
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} else if (field.required) {
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missing.push(field.key);
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}
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});
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var extra = Object.keys(dataCopy);
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var issues = [];
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if (missing.length) {
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issues.push(format('%s missing required field%s: %s',
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missing.length, (missing.length === 1 ? '' : 's'),
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missing.join(', ')));
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}
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if (extra.length) {
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issues.push(format('extraneous field%s: %s',
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(extra.length === 1 ? '' : 's'), extra.join(', ')));
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}
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if (issues.length) {
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next(new errors.TritonError(
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'invalid role data: ' + issues.join('; ')));
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} else {
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next();
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}
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},
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function createIt(_, next) {
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cli.tritonapi.cloudapi.createRole(data, function (err, role) {
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if (err) {
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next(err);
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return;
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}
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console.log('Created role "%s"', role.name);
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next();
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});
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}
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]}, cb);
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}
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function do_role(subcmd, opts, args, cb) {
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if (opts.help) {
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this.do_help('help', {}, [subcmd], cb);
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return;
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}
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// Which action?
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var actions = [];
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if (opts.add) { actions.push('add'); }
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if (opts.edit) { actions.push('edit'); }
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if (opts['delete']) { actions.push('delete'); }
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var action;
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if (actions.length === 0) {
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action = 'show';
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} else if (actions.length > 1) {
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return cb(new errors.UsageError(
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'only one action option may be used at once'));
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} else {
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action = actions[0];
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}
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// Arg count validation.
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if (args.length === 0 && ['show', 'edit'].indexOf(action) !== -1) {
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return cb(new errors.UsageError('ROLE argument is required'));
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} else if (action !== 'delete' && args.length > 1) {
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return cb(new errors.UsageError('too many arguments'));
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}
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switch (action) {
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case 'show':
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_showRole({
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cli: this.top,
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id: args[0],
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json: opts.json
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}, cb);
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break;
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case 'edit':
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_editRole({
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cli: this.top,
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id: args[0]
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}, cb);
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break;
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case 'delete':
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_deleteRoles({
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cli: this.top,
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ids: args,
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yes: opts.yes
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}, cb);
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break;
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case 'add':
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_addRole({cli: this.top, file: args[0]}, cb);
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break;
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default:
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return cb(new errors.InternalError('unknown action: ' + action));
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}
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}
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do_role.options = [
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{
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names: ['help', 'h'],
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type: 'bool',
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help: 'Show this help.'
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},
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{
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names: ['json', 'j'],
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type: 'bool',
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help: 'JSON stream output.'
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},
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{
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names: ['yes', 'y'],
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type: 'bool',
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help: 'Answer yes to confirmations, e.g. confirmation of deletion.'
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},
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{
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group: 'Action Options'
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},
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{
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names: ['edit', 'e'],
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type: 'bool',
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help: 'Edit the named role in your $EDITOR.'
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},
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{
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names: ['add', 'a'],
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type: 'bool',
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help: 'Add a new role.'
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},
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{
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names: ['delete', 'd'],
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type: 'bool',
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help: 'Delete the named role.'
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}
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];
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do_role.synopses = [
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'{{name}} {{cmd}} ROLE # show role ROLE',
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'{{name}} {{cmd}} -e|--edit ROLE # edit role ROLE in $EDITOR',
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'{{name}} {{cmd}} -d|--delete [ROLE...] # delete role ROLE',
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'{{name}} {{cmd}} -a|--add [FILE] # add a new role'
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];
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do_role.help = [
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/* BEGIN JSSTYLED */
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'Show, add, edit and delete RBAC roles.',
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'',
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'Usage:',
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' {{name}} {{cmd}} ROLE # show role ROLE',
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' {{name}} {{cmd}} -e|--edit ROLE # edit role ROLE in $EDITOR',
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' {{name}} {{cmd}} -d|--delete [ROLE...] # delete role ROLE',
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'',
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' {{name}} {{cmd}} -a|--add [FILE]',
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' # Add a new role. FILE must be a file path to a JSON file',
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' # with the role data or "-" to pass the role in on stdin.',
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' # Or exclude FILE to interactively add.',
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'',
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'{{options}}',
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'Where "ROLE" is a full role "id", the role "name" or a "shortid", i.e.',
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'an id prefix.',
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'',
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'Fields for creating a role:',
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CREATE_ROLE_FIELDS.map(function (field) {
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return ' ' + field.key + (field.required ? ' (required)' : '');
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}).join('\n')
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/* END JSSTYLED */
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].join('\n');
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module.exports = do_role;
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