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relocate_python_scripts.py: Fix node-exporter install on Debian variants

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The relocatable Python is built from Fedora packages. Unfortunately TLS
certificates are in a different location on Debian variants, which
causes "node_exporter_install" to fail as follows:

  Traceback (most recent call last):
    File "/usr/lib/scylla/libexec/node_exporter_install", line 58, in <module>
      data = curl('https://github.com/prometheus/node_exporter/releases/download/v{version}/node_exporter-{version}.linux-amd64.tar.gz'.format(version=VERSION), byte=True)
    File "/usr/lib/scylla/scylla_util.py", line 40, in curl
      with urllib.request.urlopen(req) as res:
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 222, in urlopen
      return opener.open(url, data, timeout)
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 525, in open
      response = self._open(req, data)
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 543, in _open
      '_open', req)
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 503, in _call_chain
      result = func(*args)
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 1360, in https_open
      context=self._context, check_hostname=self._check_hostname)
    File "/opt/scylladb/python3/lib64/python3.7/urllib/request.py", line 1319, in do_open
      raise URLError(err)
  urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)>
  Unable to retrieve version information
  node exporter setup failed.

Fix the problem by overriding the SSL_CERT_FILE environment variable to
point to the correct location of the TLS bundle.

Message-Id: <20190604175434.24534-1-penberg@scylladb.com>
This commit is contained in:
Pekka Enberg
2019-06-04 20:54:34 +03:00
committed by Avi Kivity
parent b3396dbb57
commit eb00095bca
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
scripts/relocate_python_scripts.py
View File

@@ -34,7 +34,15 @@ class FilesystemFixup:
x="$(readlink -f "$0")"
b="$(basename "$x")"
d="$(dirname "$x")"
PYTHONPATH="${{d}}:${{d}}/libexec:$PYTHONPATH" PATH="${{d}}/{pythonpath}:${{PATH}}" exec -a "$0" "${{d}}/libexec/${{b}}" "$@"
CENTOS_SSL_CERT_FILE="/etc/pki/tls/cert.pem"
if [ -f "${{CENTOS_SSL_CERT_FILE}}" ]; then
c=${{CENTOS_SSL_CERT_FILE}}
fi
DEBIAN_SSL_CERT_FILE="/etc/ssl/certs/ca-certificates.crt"
if [ -f "${{DEBIAN_SSL_CERT_FILE}}" ]; then
c=${{DEBIAN_SSL_CERT_FILE}}
fi
PYTHONPATH="${{d}}:${{d}}/libexec:$PYTHONPATH" PATH="${{d}}/{pythonpath}:${{PATH}}" SSL_CERT_FILE="${{c}}" exec -a "$0" "${{d}}/libexec/${{b}}" "$@"
'''
self.python_path = python_path
self.installroot = installroot