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Re: [Merge] ~smoser/cloud-init:fix/1775371-non-utf8-in-proc-env into cloud-init:master

 


Diff comments:

> diff --git a/cloudinit/util.py b/cloudinit/util.py
> index d9b61cf..441d5f7 100644
> --- a/cloudinit/util.py
> +++ b/cloudinit/util.py
> @@ -2080,24 +2080,33 @@ def is_container():
>      return False
>  
>  
> -def get_proc_env(pid):
> +def get_proc_env(pid, encoding='utf-8', errors='replace'):
>      """
>      Return the environment in a dict that a given process id was started with.
> -    """
>  
> -    env = {}
> -    fn = os.path.join("/proc/", str(pid), "environ")
> +    @param encoding: if true, then decoding will be done with
> +                     .decode(encoding, errors) and text will be returned.
> +                     if false then binary will be returned.
> +    @param errors:   only used if encoding is true."""
> +    fn = os.path.join("/proc", str(pid), "environ")
> +
>      try:
> -        contents = load_file(fn)
> -        toks = contents.split("\x00")
> -        for tok in toks:
> -            if tok == "":
> -                continue
> -            (name, val) = tok.split("=", 1)
> -            if name:
> -                env[name] = val
> +        contents = load_file(fn, decode=False)
>      except (IOError, OSError):

well this behavior is not new.  it *is* FileNotFound Error, but that only exists in py3.

it is a crappy failure path, to just return an empty dict, but i left it that way to be safe.

> -        pass
> +        return {}
> +
> +    env = {}
> +    null, equal = (b"\x00", b"=")
> +    if encoding:
> +        null, equal = ("\x00", "=")
> +        contents = contents.decode(encoding, errors)
> +
> +    for tok in contents.split(null):
> +        if not tok:
> +            continue
> +        (name, val) = tok.split(equal, 1)
> +        if name:
> +            env[name] = val
>      return env
>  
>  


-- 
https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/347698
Your team cloud-init commiters is requested to review the proposed merge of ~smoser/cloud-init:fix/1775371-non-utf8-in-proc-env into cloud-init:master.


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