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Ansible Provisionner auto-generated keys are blank (Linux) #178

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Wenzel opened this issue Sep 7, 2023 · 1 comment
Open

Ansible Provisionner auto-generated keys are blank (Linux) #178

Wenzel opened this issue Sep 7, 2023 · 1 comment
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@Wenzel
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Wenzel commented Sep 7, 2023 •
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Overview of the Issue

When Packer is generating a keypair to use the Ansible provisioner, the generated public key file is empty.
This results in a libcrypto failure.

Reproduction Steps

This repository is here to reproduce the issue:
https://github.com/Wenzel/bug_report/tree/packer/ansible/libcrypto_error

git clone https://github.com/Wenzel/bug_report -b 'packer/ansible/libcrypto_error'

and then

make build

Packer version

Packer v1.9.4

Operating system and Environment details

  • Ubuntu 23.04

Log Fragments and crash.log files

image

    qemu.ubuntu: fatal: [default]: UNREACHABLE! => changed=false
    qemu.ubuntu:   msg: |-
    qemu.ubuntu:     Failed to connect to the host via ssh: OpenSSH_9.0p1 Ubuntu-1ubuntu8.4, OpenSSL 3.0.8 7 Feb 2023
    qemu.ubuntu:     debug1: Reading configuration data /home/wenzel/.ssh/config
    qemu.ubuntu:     debug3: kex names ok: [[email protected],diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1]
    qemu.ubuntu:     debug1: Reading configuration data /etc/ssh/ssh_config
    qemu.ubuntu:     debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files
    qemu.ubuntu:     debug1: /etc/ssh/ssh_config line 21: Applying options for *
    qemu.ubuntu:     debug2: resolve_canonicalize: hostname 127.0.0.1 is address
    qemu.ubuntu:     debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/home/wenzel/.ssh/known_hosts'
    qemu.ubuntu:     debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/home/wenzel/.ssh/known_hosts2'
    qemu.ubuntu:     debug1: auto-mux: Trying existing master
    qemu.ubuntu:     debug1: Control socket "/home/wenzel/.ansible/cp/487625204a" does not exist
    qemu.ubuntu:     debug3: ssh_connect_direct: entering
    qemu.ubuntu:     debug1: Connecting to 127.0.0.1 [127.0.0.1] port 4395.
    qemu.ubuntu:     debug3: set_sock_tos: set socket 3 IP_TOS 0x10
    qemu.ubuntu:     debug2: fd 3 setting O_NONBLOCK
    qemu.ubuntu:     debug1: fd 3 clearing O_NONBLOCK
    qemu.ubuntu:     debug1: Connection established.
    qemu.ubuntu:     debug3: timeout: 10000 ms remain after connect
    qemu.ubuntu:     debug1: identity file /tmp/ansible-key3234825831 type -1
    qemu.ubuntu:     debug1: identity file /tmp/ansible-key3234825831-cert type -1
    qemu.ubuntu:     debug1: Local version string SSH-2.0-OpenSSH_9.0p1 Ubuntu-1ubuntu8.4
    qemu.ubuntu:     debug1: Remote protocol version 2.0, remote software version OpenSSH_7.6p1 Ubuntu-4ubuntu0.7
    qemu.ubuntu:     debug1: compat_banner: match: OpenSSH_7.6p1 Ubuntu-4ubuntu0.7 pat OpenSSH_7.0*,OpenSSH_7.1*,OpenSSH_7.2*,OpenSSH_7.3*,OpenSSH_7.5*,OpenSSH_7.6*,OpenSSH_7.7* compat 0x04000002
    qemu.ubuntu:     debug2: fd 3 setting O_NONBLOCK
    qemu.ubuntu:     debug1: Authenticating to 127.0.0.1:4395 as 'vagrant'
    qemu.ubuntu:     debug3: put_host_port: [127.0.0.1]:4395
    qemu.ubuntu:     debug1: load_hostkeys: fopen /home/wenzel/.ssh/known_hosts2: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
    qemu.ubuntu:     debug3: order_hostkeyalgs: no algorithms matched; accept original
    qemu.ubuntu:     debug3: send packet: type 20
    qemu.ubuntu:     debug1: SSH2_MSG_KEXINIT sent
    qemu.ubuntu:     debug3: receive packet: type 20
    qemu.ubuntu:     debug1: SSH2_MSG_KEXINIT received
    qemu.ubuntu:     debug2: local client KEXINIT proposal
    qemu.ubuntu:     debug2: KEX algorithms: [email protected],curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c
    qemu.ubuntu:     debug2: host key algorithms: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],rsa-sha2-512,rsa-sha2-256
    qemu.ubuntu:     debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
    qemu.ubuntu:     debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
    qemu.ubuntu:     debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
    qemu.ubuntu:     debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
    qemu.ubuntu:     debug2: compression ctos: [email protected],zlib,none
    qemu.ubuntu:     debug2: compression stoc: [email protected],zlib,none
    qemu.ubuntu:     debug2: languages ctos:
    qemu.ubuntu:     debug2: languages stoc:
    qemu.ubuntu:     debug2: first_kex_follows 0
    qemu.ubuntu:     debug2: reserved 0
    qemu.ubuntu:     debug2: peer server KEXINIT proposal
    qemu.ubuntu:     debug2: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
    qemu.ubuntu:     debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
    qemu.ubuntu:     debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
    qemu.ubuntu:     debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
    qemu.ubuntu:     debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
    qemu.ubuntu:     debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
    qemu.ubuntu:     debug2: compression ctos: none,[email protected]
    qemu.ubuntu:     debug2: compression stoc: none,[email protected]
    qemu.ubuntu:     debug2: languages ctos:
    qemu.ubuntu:     debug2: languages stoc:
    qemu.ubuntu:     debug2: first_kex_follows 0
    qemu.ubuntu:     debug2: reserved 0
    qemu.ubuntu:     debug1: kex: algorithm: curve25519-sha256
    qemu.ubuntu:     debug1: kex: host key algorithm: ssh-ed25519
    qemu.ubuntu:     debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: [email protected]
    qemu.ubuntu:     debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: [email protected]
    qemu.ubuntu:     debug3: send packet: type 30
    qemu.ubuntu:     debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
    qemu.ubuntu:     debug3: receive packet: type 31
    qemu.ubuntu:     debug1: SSH2_MSG_KEX_ECDH_REPLY received
    qemu.ubuntu:     debug1: Server host key: ssh-ed25519 SHA256:IY9hFW6Z/t3JlLDCerSAs7+CkOYrV83gDUXyCaHs6VM
    qemu.ubuntu:     debug3: put_host_port: [127.0.0.1]:4395
    qemu.ubuntu:     debug3: put_host_port: [127.0.0.1]:4395
    qemu.ubuntu:     debug1: load_hostkeys: fopen /home/wenzel/.ssh/known_hosts2: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
    qemu.ubuntu:     debug1: checking without port identifier
    qemu.ubuntu:     debug1: load_hostkeys: fopen /home/wenzel/.ssh/known_hosts2: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory
    qemu.ubuntu:     debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory
    qemu.ubuntu:     Warning: Permanently added '[127.0.0.1]:4395' (ED25519) to the list of known hosts.
    qemu.ubuntu:     debug1: check_host_key: hostkey not known or explicitly trusted: disabling UpdateHostkeys
    qemu.ubuntu:     debug3: send packet: type 21
    qemu.ubuntu:     debug2: ssh_set_newkeys: mode 1
    qemu.ubuntu:     debug1: rekey out after 134217728 blocks
    qemu.ubuntu:     debug1: SSH2_MSG_NEWKEYS sent
    qemu.ubuntu:     debug1: expecting SSH2_MSG_NEWKEYS
    qemu.ubuntu:     debug3: receive packet: type 21
    qemu.ubuntu:     debug1: SSH2_MSG_NEWKEYS received
    qemu.ubuntu:     debug2: ssh_set_newkeys: mode 0
    qemu.ubuntu:     debug1: rekey in after 134217728 blocks
    qemu.ubuntu:     debug1: get_agent_identities: bound agent to hostkey
    qemu.ubuntu:     debug1: get_agent_identities: agent returned 2 keys
    qemu.ubuntu:     debug1: Will attempt key: /tmp/ansible-key3234825831  explicit
    qemu.ubuntu:     debug2: pubkey_prepare: done
    qemu.ubuntu:     debug3: send packet: type 5
    qemu.ubuntu:     debug3: receive packet: type 7
    qemu.ubuntu:     debug1: SSH2_MSG_EXT_INFO received
    qemu.ubuntu:     debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
    qemu.ubuntu:     debug3: receive packet: type 6
    qemu.ubuntu:     debug2: service_accept: ssh-userauth
    qemu.ubuntu:     debug1: SSH2_MSG_SERVICE_ACCEPT received
    qemu.ubuntu:     debug3: send packet: type 50
    qemu.ubuntu:     debug3: receive packet: type 51
    qemu.ubuntu:     debug1: Authentications that can continue: publickey,password
    qemu.ubuntu:     debug3: start over, passed a different list publickey,password
    qemu.ubuntu:     debug3: preferred gssapi-with-mic,gssapi-keyex,hostbased,publickey
    qemu.ubuntu:     debug3: authmethod_lookup publickey
    qemu.ubuntu:     debug3: remaining preferred: ,gssapi-keyex,hostbased,publickey
    qemu.ubuntu:     debug3: authmethod_is_enabled publickey
    qemu.ubuntu:     debug1: Next authentication method: publickey
    qemu.ubuntu:     debug1: Trying private key: /tmp/ansible-key3234825831
    qemu.ubuntu:     Load key "/tmp/ansible-key3234825831": error in libcrypto
    qemu.ubuntu:     debug2: we did not send a packet, disable method
    qemu.ubuntu:     debug1: No more authentication methods to try.
    qemu.ubuntu:     [email protected]: Permission denied (publickey,password).
    qemu.ubuntu:   unreachable: true
    qemu.ubuntu:
    qemu.ubuntu: PLAY RECAP *********************************************************************
    qemu.ubuntu: default                    : ok=0    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0
    qemu.ubuntu:
==> qemu.ubuntu: Provisioning step had errors: Running the cleanup provisioner, if present...
==> qemu.ubuntu: Deleting output directory...
Build 'qemu.ubuntu' errored after 6 minutes 39 seconds: Error executing Ansible: Non-zero exit status: exit status 4

Packer log Gist

Related hashicorp/packer#12325
@Wenzel Wenzel added the bug label Sep 7, 2023
@nywilken nywilken transferred this issue from hashicorp/packer Dec 7, 2023
@liuzheng
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liuzheng commented Mar 5, 2024

same case please try easingthemes/ssh-deploy#143 (comment)

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@Wenzel @liuzheng