Could not find a valid gem 'sys-proctable' (= 0.9.8) in any repository

[phynias]

gem install sensu-plugins-docker
ERROR:  Could not find a valid gem 'sys-proctable' (= 0.9.8) in any repository
ERROR:  Possible alternatives: sys-proctable

looks like the verison of sys-proctable you are using isn't there anymore, and it won't run on the newer version either.

ruby metrics-docker-stats.rb
/usr/lib/ruby/2.4.0/rubygems/dependency.rb:310:in `to_specs': Could not find 'sys-proctable' (= 0.9.8) - did find: [sys-proctable-1.2.1] (Gem::MissingSpecVersionError)
Checked in 'GEM_PATH=/root/.gem/ruby/2.4.0:/usr/lib/ruby/gems/2.4.0', execute `gem env` for more information
        from /usr/lib/ruby/2.4.0/rubygems/specification.rb:1445:in `block in activate_dependencies'
        from /usr/lib/ruby/2.4.0/rubygems/specification.rb:1434:in `each'
        from /usr/lib/ruby/2.4.0/rubygems/specification.rb:1434:in `activate_dependencies'
        from /usr/lib/ruby/2.4.0/rubygems/specification.rb:1416:in `activate'
        from /usr/lib/ruby/2.4.0/rubygems.rb:220:in `rescue in try_activate'
        from /usr/lib/ruby/2.4.0/rubygems.rb:213:in `try_activate'
        from /usr/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:126:in `rescue in require'
        from /usr/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:39:in `require'
        from metrics-docker-stats.rb:41:in `<main>'
(failed reverse-i-search)`insall': cd /usr/lib/ruby/gems/2.4.0/gems/sensu-plugins-docker-3.1.1/lib/sensu-plug^Cs-docker

[phynias]

figured out my own you need the platform for version older than 1.1.5
gem install sys-proctable --platform linux -v 0.9.8

[phynias]

never mind that doesnt work either.
/usr/lib/ruby/2.4.0/rubygems/dependency.rb:310:into_specs': Could not find 'sys-proctable' (= 0.9.8) - did find: [sys-proctable-0.9.8-universal-linux] (Gem::MissingSpecVersionError)`

[majormoses]

Hm I see that version still on rubygems: https://rubygems.org/gems/sys-proctable/versions/0.9.8-universal-linux and I can install it:

$ gem install sensu-plugins-docker
Fetching: sys-proctable-0.9.8-universal-linux.gem (100%)
Successfully installed sys-proctable-0.9.8-universal-linux
Fetching: net_http_unix-0.2.2.gem (100%)
Successfully installed net_http_unix-0.2.2
Fetching: sensu-plugins-docker-3.1.1.gem (100%)
You can use the embedded Ruby by setting EMBEDDED_RUBY=true in /etc/default/sensu
Successfully installed sensu-plugins-docker-3.1.1
Parsing documentation for sys-proctable-0.9.8-universal-linux
Installing ri documentation for sys-proctable-0.9.8-universal-linux
Parsing documentation for net_http_unix-0.2.2
Installing ri documentation for net_http_unix-0.2.2
Parsing documentation for sensu-plugins-docker-3.1.1
Installing ri documentation for sensu-plugins-docker-3.1.1
Done installing documentation for sys-proctable, net_http_unix, sensu-plugins-docker after 0 seconds
3 gems installed

[majormoses]

I am guessing this may be contributing to your issue:

GEM_PATH=/root/.gem/ruby/2.4.0:/usr/lib/ruby/gems/2.4.0

What you might try:

• install into the sensu embedded ruby via /opt/sensu/embedded/bin/gem install sensu-plugins-docker
• fix the $GEM_HOME var to point to a non privileged location
• install gem with sudo privileges
• cleaning out your ruby install and try reinstalling

One final plea if this is for a production environment please pin your gem versions