open-falcon ---安装Dashboard时候报错"SSLError: The read operation timed out"

在部署open-falcon环境过程中，安装Dashboard时候报错"SSLError: The read operation timed out"。如下：

[root@open dashboard]# ./env/bin/pip install -r pip_requirements.txt
Downloading/unpacking Flask==0.10.1 (from -r pip_requirements.txt (line 1))
  Downloading Flask-0.10.1.tar.gz (544kB): 544kB downloaded
  Running setup.py egg_info for package Flask
    warning: no files found matching '*' under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    no previously-included directories found matching 'docs/_build'
    no previously-included directories found matching 'docs/_themes/.git'
Downloading/unpacking Jinja2==2.7.2 (from -r pip_requirements.txt (line 2))
  Downloading Jinja2-2.7.2.tar.gz (378kB): 184kB downloaded
Cleaning up...
Exception:
Traceback (most recent call last):
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/basecommand.py", line 134, in main
    status = self.run(options, args)
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/commands/install.py", line 236, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/req.py", line 1092, in prepare_files
    self.unpack_url(url, location, self.is_download)
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/req.py", line 1238, in unpack_url
    retval = unpack_http_url(link, location, self.download_cache, self.download_dir)
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/download.py", line 622, in unpack_http_url
    download_hash = _download_url(resp, link, temp_location)
  File "/data/work/open-falcon/dashboard/env/lib/python2.6/site-packages/pip/download.py", line 495, in _download_url
    chunk = resp.read(4096)
  File "/usr/lib64/python2.6/socket.py", line 383, in read
    data = self._sock.recv(left)
  File "/usr/lib64/python2.6/httplib.py", line 587, in read
    s = self.fp.read(amt)
  File "/usr/lib64/python2.6/socket.py", line 383, in read
    data = self._sock.recv(left)
  File "/usr/lib64/python2.6/ssl.py", line 215, in recv
    return self.read(buflen)
  File "/usr/lib64/python2.6/ssl.py", line 136, in read
    return self._sslobj.read(len)
SSLError: The read operation timed out

解决办法：在命令后面追加"-i http://pypi.doubanio.com/simple"

[root@open dashboard]# ./env/bin/pip install -r pip_requirements.txt -i http://pypi.doubanio.com/simple
Downloading/unpacking Flask==0.10.1 (from -r pip_requirements.txt (line 1))
  Downloading Flask-0.10.1.tar.gz (544kB): 544kB downloaded
  Running setup.py egg_info for package Flask
    warning: no files found matching '*' under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    no previously-included directories found matching 'docs/_build'
    no previously-included directories found matching 'docs/_themes/.git'
Downloading/unpacking Jinja2==2.7.2 (from -r pip_requirements.txt (line 2))
  Downloading Jinja2-2.7.2.tar.gz (378kB): 378kB downloaded
  Running setup.py egg_info for package Jinja2
    warning: no files found matching '*' under directory 'custom_fixers'
    warning: no previously-included files matching '*' found under directory 'docs/_build'
    warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
Downloading/unpacking Werkzeug==0.9.4 (from -r pip_requirements.txt (line 3))
  Downloading Werkzeug-0.9.4.tar.gz (1.1MB): 1.1MB downloaded
  Running setup.py egg_info for package Werkzeug
    warning: no files found matching '*' under directory 'werkzeug/debug/templates'
    warning: no files found matching '*' under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    no previously-included directories found matching 'docs/_build'
Downloading/unpacking gunicorn==18.0 (from -r pip_requirements.txt (line 4))
  Downloading gunicorn-18.0.tar.gz (366kB): 366kB downloaded
  Running setup.py egg_info for package gunicorn
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
Downloading/unpacking python-dateutil==2.2 (from -r pip_requirements.txt (line 5))
  Downloading python-dateutil-2.2.tar.gz (259kB): 259kB downloaded
  Running setup.py egg_info for package python-dateutil
Downloading/unpacking requests==2.3.0 (from -r pip_requirements.txt (line 6))
  Downloading requests-2.3.0.tar.gz (429kB): 429kB downloaded
  Running setup.py egg_info for package requests
Downloading/unpacking mysql-python (from -r pip_requirements.txt (line 7))
  Downloading MySQL-python-1.2.5.zip (108kB): 108kB downloaded
  Running setup.py egg_info for package mysql-python
Downloading/unpacking itsdangerous>=0.21 (from Flask==0.10.1->-r pip_requirements.txt (line 1))
  Downloading itsdangerous-0.24.tar.gz (46kB): 46kB downloaded
  Running setup.py egg_info for package itsdangerous
    warning: no previously-included files matching '*' found under directory 'docs/_build'
Downloading/unpacking markupsafe (from Jinja2==2.7.2->-r pip_requirements.txt (line 2))
  Downloading MarkupSafe-1.0.tar.gz
  Running setup.py egg_info for package markupsafe
Downloading/unpacking six (from python-dateutil==2.2->-r pip_requirements.txt (line 5))
  Downloading six-1.10.0.tar.gz
  Running setup.py egg_info for package six
    no previously-included directories found matching 'documentation/_build'
Installing collected packages: Flask, Jinja2, Werkzeug, gunicorn, python-dateutil, requests, mysql-python, itsdangerous, markupsafe, six
  Running setup.py install for Flask
    warning: no files found matching '*' under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    no previously-included directories found matching 'docs/_build'
    no previously-included directories found matching 'docs/_themes/.git'
  Running setup.py install for Jinja2
    warning: no files found matching '*' under directory 'custom_fixers'
    warning: no previously-included files matching '*' found under directory 'docs/_build'
    warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
  Running setup.py install for Werkzeug
    warning: no files found matching '*' under directory 'werkzeug/debug/templates'
    warning: no files found matching '*' under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    no previously-included directories found matching 'docs/_build'
  Running setup.py install for gunicorn
    warning: no previously-included files matching '*.pyc' found under directory 'docs'
    warning: no previously-included files matching '*.pyo' found under directory 'docs'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    warning: no previously-included files matching '*.pyc' found under directory 'examples'
    warning: no previously-included files matching '*.pyo' found under directory 'examples'
    Installing gunicorn_paster script to /data/work/open-falcon/dashboard/env/bin
    Installing gunicorn script to /data/work/open-falcon/dashboard/env/bin
    Installing gunicorn_django script to /data/work/open-falcon/dashboard/env/bin
  Running setup.py install for python-dateutil
  Running setup.py install for requests
  Running setup.py install for mysql-python
    building '_mysql' extension
    gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -Dversion_info=(1,2,5,'final',1) -D__version__=1.2.5 -I/usr/include/mysql -I/usr/include/python2.6 -c _mysql.c -o build/temp.linux-x86_64-2.6/_mysql.o -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -fno-strict-aliasing -fwrapv -fPIC -DUNIV_LINUX -DUNIV_LINUX
    In file included from /usr/include/mysql/my_config.h:14,
                     from _mysql.c:44:
    /usr/include/mysql/my_config_x86_64.h:1082:1: warning: "HAVE_WCSCOLL" redefined
    In file included from /usr/include/python2.6/pyconfig.h:6,
                     from /usr/include/python2.6/Python.h:8,
                     from _mysql.c:29:
    /usr/include/python2.6/pyconfig-64.h:808:1: warning: this is the location of the previous definition
    gcc -pthread -shared build/temp.linux-x86_64-2.6/_mysql.o -L/usr/lib64/mysql -L/usr/lib64 -lmysqlclient_r -lz -lpthread -lcrypt -lnsl -lm -lpthread -lssl -lcrypto -lpython2.6 -o build/lib.linux-x86_64-2.6/_mysql.so
  Running setup.py install for itsdangerous
    warning: no previously-included files matching '*' found under directory 'docs/_build'
  Running setup.py install for markupsafe
    building 'markupsafe._speedups' extension
    gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/include/python2.6 -c markupsafe/_speedups.c -o build/temp.linux-x86_64-2.6/markupsafe/_speedups.o
    gcc -pthread -shared build/temp.linux-x86_64-2.6/markupsafe/_speedups.o -L/usr/lib64 -lpython2.6 -o build/lib.linux-x86_64-2.6/markupsafe/_speedups.so
  Running setup.py install for six
    no previously-included directories found matching 'documentation/_build'
Successfully installed Flask Jinja2 Werkzeug gunicorn python-dateutil requests mysql-python itsdangerous markupsafe six
Cleaning up...