Copying file from remote host to another remote host

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Hi,

I am new to Ansible, and I use Ansible 2.0.1.0 on CentOS 6.x.
I need to copy a file from ServerA to Serverb (both are remote systems). I used following code block.
Ansible host, ServerA, ServerB has same private key /root/.ssh/mykey.pem.
each /root/myfile.txt file has just one line.

  • name: Write to myfile.txt in host
    synchronize: mode=pull src=/root/myfile.txt dest=/root/myfile.txt
    delegate_to: serverb
    register: file_copied

In my inventory file I have following entries as well.
[servera]
<ServerA_IP> ansible_ssh_private_key_file=/root/.ssh/mykey.pem

[serverb]
<ServerB_IP> ansible_ssh_private_key_file=/root/.ssh/mykey.pem

When I run the playbook I get following error.

fatal: [<ServerA_IP> → <ServerB_IP>]: FAILED! => {“changed”: false, “cmd”: “/usr/bin/rsync --delay-updates -F --compress --archive --rsh ‘/usr/bin/ssh -i /root/.ssh/ap-southeast-1-20130927.pem -S none -o StrictHostKeyChecking=no’ --out-format=‘<>%i %n%L’ "<ServerA_IP>:/root/read.txt" "/root/read.txt"”, “failed”: true, “invocation”: {“module_args”: {“_local_rsync_path”: “rsync”, “_substitute_controller”: false, “archive”: true, “checksum”: false, “compress”: true, “copy_links”: null, “delete”: false, “dest”: “/root/read.txt”, “dest_port”: 22, “dirs”: false, “existing_only”: false, “group”: null, “links”: null, “mode”: “pull”, “owner”: null, “partial”: false, “perms”: null, “private_key”: “/root/.ssh/mykey.pem”, “recursive”: null, “rsync_opts”: null, “rsync_path”: null, “rsync_timeout”: 0, “set_remote_user”: true, “src”: “<ServerA_IP>:/root/read.txt”, “ssh_args”: null, “times”: null, “verify_host”: false}}, “msg”: “Warning: Identity file /root/.ssh/mykey.pem not accessible: No such file or directory.\nPermission denied (publickey,gssapi-keyex,gssapi-with-mic).\r\nrsync: connection unexpectedly closed (0 bytes received so far) [receiver]\nrsync error: error in rsync protocol data stream (code 12) at io.c(600) [receiver=3.0.6]\n”, “rc”: 12}

  1. How can I send a file from ServerA to ServerB?
  2. How to append content of /root/myfile.txt file in ServerA to /root/myfile.txt file of Server B

Thanks,
Danishka