阿里云api调用

# coding: utf-8
"""
This module be able to manage ecs instances on the aliyun cloud. We choose
some helper functions from salt.cloud.clouds.aliyun since DRY principle.
Full documentations about the Aliyun APIs are located at
"https://help.aliyun.com/document_detail/25484.html".
"""
import sys
import time
import uuid
import hmac
import base64
import json

#隐藏部分内部调用库

import logging

log = logging.getLogger(__name__)

from hashlib import sha1

import requests
import salt.utils

try:
    from salt.ext.six.moves.urllib.parse import quote as _quote
except:
    pass

DEFAULT_ALIYUN_API_VERSION = '2014-05-26'


def get_params(integration_info):
    utils.logger.info('{}'.format(integration_info))
    access_key_id = None
    secret_key = None
    if not isinstance(integration_info,dict):
        integration_info=json.loads(integration_info)

    for k, v in integration_info.items():
        if k == 'access_key_id':
            access_key_id = v
        elif k == 'secret_key':
            secret_key = v
    return access_key_id, secret_key


class HTTPError(Exception):
    def __init__(self, response):
        self.has_data = False

        self.status_code = response.status_code
        utils.logger.debug(self.status_code)
        self.content = response.content
        utils.logger.debug(self.content)
        if 'application/json' in response.headers['Content-Type'].lower():
            self.has_data = True
            self.data = json.loads(
                self.content, object_hook=salt.utils.decode_dict)


def _compute_signature(parameters, secret_key):
    '''
    Generate aliyun request signature
    '''

    def percent_encode(line):
        if not isinstance(line, str):
            return line

        s = line

        utils.logger.debug(sys.stdin.encoding)
        utils.logger.debug(sys.getdefaultencoding())
        utils.logger.debug(sys.getfilesystemencoding())
        if sys.stdin.encoding is None and sys.getfilesystemencoding() is None:
            s = line.decode().encode('utf8')
        elif sys.stdin.encoding is None and sys.getfilesystemencoding():
            s = line.decode(sys.getfilesystemencoding()).encode('utf8')
        else:
            s = line.decode(sys.stdin.encoding).encode('utf8')
        res = _quote(s, '')
        res = res.replace('+', '%20')
        res = res.replace('*', '%2A')
        res = res.replace('%7E', '~')
        return res

    sortedParameters = sorted(list(parameters.items()),
                              key=lambda items: items[0])

    canonicalizedQueryString = ''
    for k, v in sortedParameters:
        canonicalizedQueryString += '&' + percent_encode(k) 
                                    + '=' + percent_encode(v)

    # All aliyun API only support GET method
    stringToSign = 'GET&%2F&' + percent_encode(canonicalizedQueryString[1:])

    h = hmac.new(secret_key + "&", stringToSign, sha1)
    signature = base64.encodestring(h.digest()).strip()
    return signature


def query(access_key_id, secret_key, params, jid=None, outputParam=[], **kwargs):
    '''
    Make a web call to aliyun ECS REST API
    '''
    path = 'https://ecs.aliyuncs.com/'

    timestamp = time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime())

    # public interface parameters
    parameters = {
        'Format': 'JSON',
        'Version': DEFAULT_ALIYUN_API_VERSION,
        'AccessKeyId': access_key_id,
        'SignatureVersion': '1.0',
        'SignatureMethod': 'HMAC-SHA1',
        'SignatureNonce': str(uuid.uuid1()),
        'TimeStamp': timestamp,
    }

    # include action or function parameters
    if params:
        parameters.update(params)

    # Calculate the string for Signature
    signature = _compute_signature(parameters, secret_key)
    parameters['Signature'] = signature
    utils.logger.debug(parameters)
    utils.logger.debug(path)
    utils.logger.debug(parameters)
    request = requests.get(path, params=parameters, verify=True)
    utils.logger.debug('request url:{}'.format(path))
    utils.logger.debug('parameters:{}'.format(parameters))

    if request.status_code != 200:
        raise HTTPError(request)

    log.debug(request.url)
    utils.logger.debug(request.url)
    utils.logger.debug(request.status_code)

    content = request.text
    utils.logger.debug(content)
    result = json.loads(content, object_hook=salt.utils.decode_dict)
    if 'Code' in result:
        raise HTTPError(request)

    return result


def http_error_code_result(http_error):
    if http_error.has_data and 'Code' in http_error.data:
        return {"success": False, "message": u'error code:{0}'.format(http_error.data['Code'])}
    else:
        log.error('{}'.format(http_error.content))
        utils.logger.error('{}'.format(http_error.content))
        return {"success": False, "message": u'unknown error'}


def byteify(input_str):
    if isinstance(input_str, dict):
        return {byteify(key): byteify(value) for key, value in input_str.iteritems()}
    elif isinstance(input_str, list):
        return [byteify(element) for element in input_str]
    elif isinstance(input_str, unicode):
        return input_str.encode('utf-8')
    else:
        return input_str


def create(integration_info=None, vm_conf=None, jid=None, outputParam=[], **kwargs):
    params = {
        'Action': 'CreateInstance',
    }
    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        if vm_conf in ({}, None, ''):
            return {"success": False, "message": u'create ECS instance fail,please check the config params'}
        else:
            params.update(vm_conf)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
        utils.logger.info('result:{}'.format(result))
        instanceId = result.get('InstanceId', None)
        out = {'instance_id': instanceId}
        utils.logger.info('{} {}'.format(out, outputParam))
        outs = utils_params.get_output(out, outputParam)
    except HTTPError as e:
        return http_error_code_result(e)
    return {"success": True, "message": u'create ECS instance success,instance ID:{0}'.format(instanceId),
            'outputParam': outs}


def edit(integration_info=None, opts=None, access_key_id=None, secret_key=None, instance_id=None,
         instanceName=None,
         Description=None, Password=None, HostName=None, jid=None, outputParam=[], **kwargs):
    access_key_id, secret_key = get_params(integration_info)
    params = {
        'Action': 'ModifyInstanceAttribute',
        'InstanceId': instance_id,
        'InstanceName': instanceName,
        'Description': Description,
        'Password': Password,
        'HostName': HostName,
    }

    for k, v in params.items():
        if not v:
            del params[k]

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
        utils.logger.info('{}'.format(result))
        instanceId = result.get('RequestId', None)
        out = {'instance_id': instanceId}
        outs = utils_params.get_output(out, outputParam)
        utils.logger.info('{}'.format(outs))

    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': u'edit ECS instance success,instance ID:{0}'.format(
            instanceId), 'outputParam': outs}


def _query_status(integration_info, region_id=None, instance_id=None, **kwargs):
    access_key_id, secret_key = get_params(integration_info)
    params = {
        'Action': 'DescribeInstanceStatus',
    }
    try:
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        regions = _query_region(integration_info)
        status = None
        for i in regions:
            params['RegionId'] = i
            result = query(access_key_id, secret_key, params)
            for i in result['InstanceStatuses']['InstanceStatus']:
                if i['InstanceId'] == instance_id:
                    status = i['Status']
                    break
            if status:  # Running|Stopped
                return True, status
        if not status:
            return False, 'the instance not exists'
    except HTTPError as e:
        return http_error_code_result(e)


def start(integration_info=None, opts=None, access_key_id=None, secret_key=None, instance_id=None,
          jid=None,
          outputParam=[], **kwargs):
    access_key_id, secret_key = get_params(integration_info)
    params = {
        'Action': 'StartInstance',
        'InstanceId': instance_id,
    }

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': u'instance start success'}


def _query_zone(integration_info=None, region_id=None):
    params = {
        'Action': 'DescribeZones',
        'RegionId': region_id,
    }
    access_key_id, secret_key = get_params(integration_info)
    params = byteify(params)
    access_key_id = byteify(access_key_id)
    secret_key = byteify(secret_key)
    result = query(access_key_id, secret_key, params)
    return result.get('ZoneId')


def _query_region(integration_info=None):
    params = {
        'Action': 'DescribeRegions',
    }
    access_key_id, secret_key = get_params(integration_info)
    params = byteify(params)
    access_key_id = byteify(access_key_id)
    secret_key = byteify(secret_key)
    result = query(access_key_id, secret_key, params)
    result = result['Regions']['Region']
    results = [i['RegionId'] for i in result]
    return results


def query_ecs(integration_info=None, opts=None, region_id=None, instance_id='Instances', jid=None,
              outputParam=[], **kwargs):
    params = {
        'Action': 'DescribeInstances',
        'RegionId': region_id,
    }

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)['Instances']['Instance']
        out = {}
        for i in result:
            if i['InstanceId'] == instance_id:
                out['PrivateIpAddresses'] = ','.join(
                    i['VpcAttributes']['PrivateIpAddress']['IpAddress'])
                out['InnerIpAddresses'] = ','.join(i['InnerIpAddress']['IpAddress'])
                out['PublicIpAddresses'] = ','.join(i['PublicIpAddress']['IpAddress'])

                out['InstanceName'] = ','.join(i['InstanceName'])
                out['Memory'] = ','.join(i['Memory'])
                out['CPU'] = ','.join(i['Cpu'])

                out['HostName'] = ','.join(i['HostName'])
                out['Status'] = ','.join(i['Status'])
                out['CreationTime'] = ','.join(i['CreationTime'])
                out['ExpiredTime'] = ','.join(i['ExpiredTime'])
                out['InstanceNetworkType'] = ','.join(i['InstanceNetworkType'])
        outs = utils_params.get_output(out, outputParam)
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': 'query success', 'outputParam': outs}


def query_zone(integration_info=None, region_id=None, **kwargs):
    params = {
        'Action': 'DescribeZones',
        'RegionId': region_id
    }
    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': 'query result:
{}'.format(utils_params.format_json(result))}


def reboot(integration_info=None, opts=None, access_key_id=None, secret_key=None, instance_id=None,
           jid=None, outputParam=[], **kwargs):
    params = {
        'Action': 'RebootInstance',
        'InstanceId': instance_id,
    }

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': u'instance restart success'}


def stop(integration_info=None, instance_id=None, **kwargs):
    params = {
        'Action': 'StopInstance',
        'InstanceId': instance_id,
    }

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)

        start_time = time.time()
        while True:
            status, res = _query_status(integration_info, instance_id=instance_id)
            if status and res == 'Stopped':
                return {'success': True, 'message': u'instance stop success'}
            end_time = time.time()
            if end_time - start_time >= 10000:
                return {'success': False, 'message': u'time is out'}
    except HTTPError as e:
        return http_error_code_result(e)


def delete(integration_info=None, opts=None, instance_id=None, access_key_id=None, secret_key=None,
           jid=None, outputParam=[], **kwargs):
    params = {
        'Action': 'DeleteInstance',
        'InstanceId': instance_id,
    }

    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': u'instance delete success'}


def create_image(integration_info=None, opts=None, image=None, jid=None, access_key_id=None,
                 secret_key=None,
                 outputParam=[], **kwargs):
    params = {
        'Action': 'CreateImage',
    }


    try:
        ret, param = utils_errors.check_inputs(locals())
        if not ret:
            return {'success': False, 'message': 'input params error,please check input params:{}'.format(param)}

        access_key_id, secret_key = get_params(integration_info)
        params.update(image)
        params = byteify(params)
        access_key_id = byteify(access_key_id)
        secret_key = byteify(secret_key)
        result = query(access_key_id, secret_key, params)
        utils.logger.debug('create_image')
    except HTTPError as e:
        return http_error_code_result(e)
    else:
        return {'success': True, 'message': u'create image success,image ID：{0}'.format(result['ImageId'])}