我正在尝试使用Linux的crontab来执行Python脚本。我希望每隔10分钟运行一次这个脚本。
我找到了很多解决方案,但都没有起作用。例如:编辑/etc/cron.d中的anacron或使用crontab -e
。我在文件末尾添加了这一行,但它并没有起到任何作用。我需要重新启动某些服务吗?
*/2 * * * * /usr/bin/python /home/souza/Documets/Listener/listener.py
我需要编辑哪个文件来进行配置?
这是脚本。
#!/usr/bin/python
# -*- coding: iso-8859-15 -*-
import json
import os
import pycurl
import sys
import cStringIO
if __name__ == "__main__":
name_server_standart = "Server created by script %d"
json_file_standart = "{ \"server\" : { \"name\" : \"%s\", \"imageRef\" : \"%s\", \"flavorRef\" : \"%s\" } }"
curl_auth_token = pycurl.Curl()
gettoken = cStringIO.StringIO()
curl_auth_token.setopt(pycurl.URL, "http://192.168.100.241:8774/v1.1")
curl_auth_token.setopt(pycurl.POST, 1)
curl_auth_token.setopt(pycurl.HTTPHEADER, ["X-Auth-User: cpca",
"X-Auth-Key: 438ac2d9-689f-4c50-9d00-c2883cfd38d0"])
curl_auth_token.setopt(pycurl.HEADERFUNCTION, gettoken.write)
curl_auth_token.perform()
chg = gettoken.getvalue()
auth_token = chg[chg.find("X-Auth-Token: ")+len("X-Auth-Token: ") : chg.find("X-Server-Management-Url:")-1]
token = "X-Auth-Token: {0}".format(auth_token)
curl_auth_token.close()
#----------------------------
getter = cStringIO.StringIO()
curl_hab_image = pycurl.Curl()
curl_hab_image.setopt(pycurl.URL, "http://192.168.100.241:8774/v1.1/nuvemcpca/images/7")
curl_hab_image.setopt(pycurl.HTTPGET, 1) #tirei essa linha e funcionou, nao sei porque
curl_hab_image.setopt(pycurl.HTTPHEADER, [token])
curl_hab_image.setopt(pycurl.WRITEFUNCTION, getter.write)
#curl_list.setopt(pycurl.VERBOSE, 1)
curl_hab_image.perform()
curl_hab_image.close()
getter = cStringIO.StringIO()
curl_list = pycurl.Curl()
curl_list.setopt(pycurl.URL, "http://192.168.100.241:8774/v1.1/nuvemcpca/servers/detail")
curl_list.setopt(pycurl.HTTPGET, 1) #tirei essa linha e funcionou, nao sei porque
curl_list.setopt(pycurl.HTTPHEADER, [token])
curl_list.setopt(pycurl.WRITEFUNCTION, getter.write)
#curl_list.setopt(pycurl.VERBOSE, 1)
curl_list.perform()
curl_list.close()
#----------------------------
resp = getter.getvalue()
con = int(resp.count("status"))
s = json.loads(resp)
lst = []
for i in range(con):
lst.append(s['servers'][i]['status'])
for j in range(len(lst)):
actual = lst.pop()
print actual
if actual != "ACTIVE" and actual != "BUILD" and actual != "REBOOT" and actual != "RESIZE":
print "Entra no If"
f = file('counter', 'r+w')
num = 0
for line in f:
num = line
content = int(num)+1
ins = str(content)
f.seek(0)
f.write(ins)
f.truncate()
f.close()
print "Contador"
json_file = file('json_file_create_server.json','r+w')
name_server_final = name_server_standart % content
path_to_image = "http://192.168.100.241:8774/v1.1/nuvemcpca/images/7"
path_to_flavor = "http://192.168.100.241:8774/v1.1/nuvemcpca/flavors/1"
new_json_file_content = json_file_standart % (name_server_final, path_to_image, path_to_flavor)
json_file.seek(0)
json_file.write(new_json_file_content)
json_file.truncate()
json_file.close()
print "Json File"
fil = file("json_file_create_server.json")
siz = os.path.getsize("json_file_create_server.json")
cont_size = "Content-Length: %d" % siz
cont_type = "Content-Type: application/json"
accept = "Accept: application/json"
c_create_servers = pycurl.Curl()
logger = cStringIO.StringIO()
c_create_servers.setopt(pycurl.URL, "http://192.168.100.241:8774/v1.1/nuvemcpca/servers")
c_create_servers.setopt(pycurl.HTTPHEADER, [token, cont_type, accept, cont_size])
c_create_servers.setopt(pycurl.POST, 1)
c_create_servers.setopt(pycurl.INFILE, fil)
c_create_servers.setopt(pycurl.INFILESIZE, siz)
c_create_servers.setopt(pycurl.WRITEFUNCTION, logger.write)
print "Teste perform"
c_create_servers.perform()
print logger.getvalue()
c_create_servers.close()
cron
故障排除技巧:https://dev59.com/uWEh5IYBdhLWcg3wKQnY - tripleee