SSH forwarding doesn't work

Using the -A option isn't forwarding the ssh agent.

Running with regular ssh command
Running presto-admin file run /path/to/file -A (the file has a env command)

ssh -A centos@some-instance.compute.amazonaws.com -C "env"
XDG_SESSION_ID=27
SELINUX_ROLE_REQUESTED=
SHELL=/bin/bash
SSH_CLIENT=79.176.159.191 51009 22
SELINUX_USE_CURRENT_RANGE=
USER=centos
SSH_AUTH_SOCK=/tmp/ssh-jZ5dPMnANa/agent.8081
MAIL=/var/mail/centos
PATH=/usr/local/bin:/usr/bin
PWD=/home/centos
LANG=en_US.UTF-8
SELINUX_LEVEL_REQUESTED=
SHLVL=1
HOME=/home/centos
LOGNAME=centos
SSH_CONNECTION=79.176.159.191 51009 10.0.0.90 22
LESSOPEN=||/usr/bin/lesspipe.sh %s
XDG_RUNTIME_DIR=/run/user/1000
_=/usr/bin/env


presto-admin file run /var/folders/86/hp4s9wxn43q5fcm9850qzbn80000gn/T/tmp.RZuorAUY -A
[some-instance.us-west-2.compute.amazonaws.com] out: HOSTNAME=ip-10-0-0-90.us-west-2.compute.internal
[some-instance.us-west-2.compute.amazonaws.com] out: TERM=vt100
some-instanceus-west-2.compute.amazonaws.com] out: SHELL=/bin/bash
[some-instance.us-west-2.compute.amazonaws.com] out: HISTSIZE=1000
[some-instance.us-west-2.compute.amazonaws.com] out: USER=root
[some-instance.us-west-2.compute.amazonaws.com] out: [some-instance.us-west-2.compute.amazonaws.com] out: SUDO_USER=centos
[some-instance.us-west-2.compute.amazonaws.com] out: SUDO_UID=1000
[some-instance.us-west-2.compute.amazonaws.com] out: USERNAME=root
[some-instance.us-west-2.compute.amazonaws.com] out: MAIL=/var/spool/mail/root
[some-instance.us-west-2.compute.amazonaws.com] out: PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
[some-instance.us-west-2.compute.amazonaws.com] out: PWD=/home/centos
[some-instance.us-west-2.compute.amazonaws.com] out: LANG=en_US.UTF-8
[some-instance.us-west-2.compute.amazonaws.com] out: HISTCONTROL=ignoredups
[some-instance.us-west-2.compute.amazonaws.com] out: HOME=/root
[some-instance.us-west-2.compute.amazonaws.com] out: SUDO_COMMAND=/bin/bash -l -c /tmp/tmp.RZuorAUY
[some-instance.us-west-2.compute.amazonaws.com] out: SHLVL=2
[some-instance.us-west-2.compute.amazonaws.com] out: LOGNAME=root
[some-instance.us-west-2.compute.amazonaws.com] out: LESSOPEN=||/usr/bin/lesspipe.sh %s
[some-instance.us-west-2.compute.amazonaws.com] out: SUDO_GID=1000
[some-instance.us-west-2.compute.amazonaws.com] out: _=/bin/env

You can see that the SSH_AUTH_SOCK is missing

[yuokada]

We use ~/.ssh/config to set ForwardAgent.

Host *
    ForwardAgent yes
    # SomeSetting