Cannot restore with foreman-maintain - undefined method `installer_command' for nil:NilClass

@jtruestedt @evgeni thanks for your replay…

foreman-installer.log:


2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Using /usr/share/foreman-installer/parser_cache/foreman.yaml cache with parsed modules"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/01-kafo-hook-extensions.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/02-message-helpers.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/03-foreman-maintain-extensions.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/04-services.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/05-environment.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/09-version_locking.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/10-reset_data.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/11-detailed_exitcodes.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/13-tuning.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/boot/20-certs_update.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_validations/01-reset_data.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_validations/12-check_certs_tar.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_validations/34-pulpcore_directory_layout.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_commit/05-puppet_certs_exist.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_commit/09-version_locking.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_commit/13-tuning.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_commit/20-certs_update.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_commit/33-pulpcore_assets_permissions.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/10-reset_data.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/20-certs_update.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/20-check-hammer-credentials.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/25-remove_apache_from_foreman_group.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/31-puppet_agent_oauth.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/31-puppet_server_migrate_ca.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/32-install_selinux_packages.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/33-pulpcore_assets_permissions.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre/34-pulpcore_directory_layout.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/post/30-upgrade.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/post/34-pulpcore_directory_layout.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/post/99-post_install_message.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/post/99-version_locking.rb"]
2023-04-05 01:35:26 [DEBUG ] [root] <Array> ["Loading hook /usr/share/foreman-installer/hooks/pre_exit/20-certs_regenerate.rb"]
2023-04-05 01:35:26 [INFO  ] [pre_migrations] <Array> ["Executing hooks in group pre_migrations"]
2023-04-05 01:35:26 [INFO  ] [pre_migrations] <Array> ["All hooks in group pre_migrations finished"]
2023-04-05 01:35:26 [NOTICE] [root] Log buffers flushed
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::LogLevel
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::ModProxyProtocol
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::ServerTokens
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::OIDCSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::Vhost::ProxyPass
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apache::Vhost::Priority
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apt::Proxy_Per_Host
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apt::Auth_conf_entry
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Apt::Proxy
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Katello::HieraBoolean
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::Ephemeral
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::Dynamic
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::Unprivileged
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::Privileged
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::Registered
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Port::User
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::MAC
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Base64
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::ObjectStore::S3Uri
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::ObjectStore::GSUri
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Filemode
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Ensure::File::Link
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Ensure::File::File
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Ensure::File::Directory
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Ensure::File
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Ensure::Service
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Syslogfacility
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Fqdn
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Yes_no
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Unixpath
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::HTTPUrl
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Absolutepath
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Datasize
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Filesource
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::HTTPSUrl
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Base32
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Email
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Nosubnet::Full
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Nosubnet::Compressed
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Nosubnet::Alternative
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::CIDR
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Full
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Nosubnet
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Compressed
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6::Alternative
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V4
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::Nosubnet
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V4::CIDR
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V4::Nosubnet
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::IP::Address::V6
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::HttpStatus
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Host
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::ObjectStore
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::CreateResources
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Float
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Array
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Ip_address
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Absolute_path
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Integer
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Hash
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Ipv6
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Ipv4
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Bool
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::Numeric
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Compat::String
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Stdlib::Windowspath
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Pulpcore::LogLevel
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Pulpcore::ChecksumTypes
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Pulpcore::Logger
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Foreman_proxy::Sshloglevel
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Foreman_proxy::ListenOn
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Redis::LogLevel
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Redis::MemoryPolicy
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Redis::RedisUrl
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Puppet::Custom_trusted_oid_mapping
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::LogindSettings::Ensure
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::CoredumpSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::MachineInfoSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::Unit
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::JournaldSettings::Ensure
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::JournaldSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::LogindSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::ServiceLimits
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::Dropin
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Systemd::OomdSettings
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Foreman::Column_view_column
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dhcp::Macaddress
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dhcp::Range
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dhcp::DhcpPool
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dhcp::StaticRoute
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dns::UpdatePolicy
2023-04-05 01:35:26 [DEBUG ] [root] Registering extended data type Dns::Dnssec_policy_key
2023-04-05 01:35:28 [DEBUG ] [root] Provider KafoParsers::PuppetStringsModuleParser not available: /opt/puppetlabs/bin/puppet does not have strings module installed.
2023-04-05 01:35:28 [DEBUG ] [root] No available Puppet module parser found

I see this at the end of the file: No available Puppet module parser found

I create the Backup morning on the server and I want to restore it on the same server. and I get above error…

thats what I get when I run apt policy foreman-installer:

# apt policy foreman-installer
foreman-installer:
  Installiert:           3.5.2-1+ubuntu2004
  Installationskandidat: 3.5.2-1+ubuntu2004
  Versionstabelle:
 *** 3.5.2-1+ubuntu2004 500
        500 http://deb.theforeman.org focal/3.5 amd64 Packages
        500 http://deb.theforeman.org focal/3.5 i386 Packages
        100 /var/lib/dpkg/status
     3.5.1-1+ubuntu2004 500
        500 http://deb.theforeman.org focal/3.5 amd64 Packages
        500 http://deb.theforeman.org focal/3.5 i386 Packages
     3.5.0-1+ubuntu2004 500
        500 http://deb.theforeman.org focal/3.5 amd64 Packages
        500 http://deb.theforeman.org focal/3.5 i386 Packages
     3.5.0~rc2-1+ubuntu2004 500
        500 http://deb.theforeman.org focal/3.5 amd64 Packages
        500 http://deb.theforeman.org focal/3.5 i386 Packages
     3.5.0~rc1-1+ubuntu2004 500
        500 http://deb.theforeman.org focal/3.5 amd64 Packages
        500 http://deb.theforeman.org focal/3.5 i386 Packages

And all installed packages for foreman.

# dpkg-query -l | grep foreman
ii  foreman                                3.5.2-1+ubuntu2004                amd64        Systems management web interface
ii  foreman-cli                            3.5.2-1+ubuntu2004                all          metapackage providing hammer CLI for Foreman
ii  foreman-debug                          3.5.2-1+ubuntu2004                all          provides support utility foreman-debug.
ii  foreman-dynflow-sidekiq                3.5.2-1+ubuntu2004                all          package providing dynflow sidekiq services for Foreman
iF  foreman-installer                      3.5.2-1+ubuntu2004                all          Automated puppet-based installer for The Foreman
ii  foreman-postgresql                     3.5.2-1+ubuntu2004                all          metapackage providing PostgreSQL dependencies for Foreman
ii  foreman-proxy                          3.5.2-1+ubuntu2004                all          RESTful proxies for DNS, DHCP, TFTP, and Puppet
ii  foreman-service                        3.5.2-1+ubuntu2004                all          package providing Foreman services running via puma
ii  ruby-foreman-column-view               0.4.0-2                           all          Foreman Column View Plugin
ii  ruby-foreman-deface                    1.9.0-2                           all          Foreman Deface Plugin Dependency
ii  ruby-foreman-maintain                  1.2.4-1+ubuntu2004                all          Foreman maintenance tool belt
ii  ruby-foreman-puppet                    5.0.0-1                           all          Foreman Puppet Plugin
ii  ruby-hammer-cli-foreman                3.5.1-1+ubuntu2004                all          Foreman commands for Hammer
ii  ruby-hammer-cli-foreman-puppet         0.0.6-1                           all          Foreman Puppet plugin for Hammer CLI

@evgeni do you have any advice for me here please: Node.rb host - 500 Internal Server Error. Error is ignored and the execution continues - #6 by Neeloj