44 lines
1.6 KiB
44 lines
1.6 KiB
"""EasyEngine Hash bucket calculate function for Nginx"""
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from ee.core.fileutils import EEFileUtils
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import math
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import os
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import fileinput
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import re
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import subprocess
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def hashbucket(self):
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# Check Nginx Hashbucket error
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sub = subprocess.Popen('nginx -t', stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, shell=True)
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output, error_output = sub.communicate()
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if 'server_names_hash_bucket_size' not in str(error_output):
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return True
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count = 0
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# Get the list of sites-availble
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sites_list = os.listdir("/etc/nginx/sites-enabled/")
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# Count the number of characters in site names
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for site in sites_list:
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count = sum([count, len(site)])
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# Calculate Nginx hash bucket size
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ngx_calc = math.trunc(sum([math.log(count, 2), 2]))
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ngx_hash = math.trunc(math.pow(2, ngx_calc))
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# Replace hashbucket in Nginx.conf file
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if EEFileUtils.grep(self, "/etc/nginx/nginx.conf",
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"server_names_hash_bucket_size"):
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for line in fileinput.FileInput("/etc/nginx/nginx.conf", inplace=1):
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if "server_names_hash_bucket_size" in line:
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print("\tserver_names_hash_bucket_size {0};".format(ngx_hash))
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else:
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print(line, end='')
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else:
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EEFileUtils.searchreplace(self, '/etc/nginx/nginx.conf',
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"gzip_disable \"msie6\";",
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"gzip_disable \"msie6\";\n"
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"\tserver_names_hash_bucket_size {0};\n"
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.format(ngx_hash))
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