require 'etc'
require 'fileutils'
require 'yaml'
+require 'optparse'
+require 'open3'
req_envs = %w(ARVADOS_API_HOST ARVADOS_API_TOKEN ARVADOS_VIRTUAL_MACHINE_UUID)
req_envs.each do |k|
end
end
-exclusive_mode = ARGV.index("--exclusive")
+options = {}
+OptionParser.new do |parser|
+ parser.on('--exclusive', 'Manage SSH keys file exclusively.')
+ parser.on('--rotate-tokens', 'Force a rotation of all user tokens.')
+ parser.on('--skip-missing-users', "Don't try to create any local accounts.")
+ parser.on('--token-lifetime SECONDS', 'Create user tokens that expire after SECONDS.', Integer)
+ parser.on('--debug', 'Enable debug output')
+end.parse!(into: options)
+
exclusive_banner = "#######################################################################################
# THIS FILE IS MANAGED BY #{$0} -- CHANGES WILL BE OVERWRITTEN #
#######################################################################################\n\n"
start_banner = "### BEGIN Arvados-managed keys -- changes between markers will be overwritten\n"
end_banner = "### END Arvados-managed keys -- changes between markers will be overwritten\n"
-# Don't try to create any local accounts
-skip_missing_users = ARGV.index("--skip-missing-users")
-
keys = ''
begin
+ debug = false
+ if options[:"debug"]
+ debug = true
+ end
arv = Arvados.new({ :suppress_ssl_warnings => false })
+ logincluster_arv = Arvados.new({ :api_host => (ENV['LOGINCLUSTER_ARVADOS_API_HOST'] || ENV['ARVADOS_API_HOST']),
+ :api_token => (ENV['LOGINCLUSTER_ARVADOS_API_TOKEN'] || ENV['ARVADOS_API_TOKEN']),
+ :suppress_ssl_warnings => false })
vm_uuid = ENV['ARVADOS_VIRTUAL_MACHINE_UUID']
begin
pwnam[l[:username]] = Etc.getpwnam(l[:username])
rescue
- if skip_missing_users
+ if options[:"skip-missing-users"]
STDERR.puts "Account #{l[:username]} not found. Skipping"
true
end
else
if pwnam[l[:username]].uid < uid_min
- STDERR.puts "Account #{l[:username]} uid #{pwnam[l[:username]].uid} < uid_min #{uid_min}. Skipping"
+ STDERR.puts "Account #{l[:username]} uid #{pwnam[l[:username]].uid} < uid_min #{uid_min}. Skipping" if debug
true
end
end
# Collect all keys
logins.each do |l|
+ STDERR.puts("Considering #{l[:username]} ...") if debug
keys[l[:username]] = Array.new() if not keys.has_key?(l[:username])
key = l[:public_key]
if !key.nil?
end
seen = Hash.new()
- devnull = open("/dev/null", "w")
+
+ current_user_groups = Hash.new
+ while (ent = Etc.getgrent()) do
+ ent.mem.each do |member|
+ current_user_groups[member] ||= Array.new
+ current_user_groups[member].push ent.name
+ end
+ end
+ Etc.endgrent()
logins.each do |l|
next if seen[l[:username]]
seen[l[:username]] = true
+ username = l[:username]
+
unless pwnam[l[:username]]
STDERR.puts "Creating account #{l[:username]}"
- groups = l[:groups] || []
- # Adding users to the FUSE group has long been hardcoded behavior.
- groups << "fuse"
- groups.select! { |g| Etc.getgrnam(g) rescue false }
# Create new user
- unless system("useradd", "-m",
- "-c", l[:username],
+ out, st = Open3.capture2e("useradd", "-m",
+ "-c", username,
"-s", "/bin/bash",
- "-G", groups.join(","),
- l[:username],
- out: devnull)
- STDERR.puts "Account creation failed for #{l[:username]}: #{$?}"
+ username)
+ if st.exitstatus != 0
+ STDERR.puts "Account creation failed for #{l[:username]}:\n#{out}"
next
end
begin
- pwnam[l[:username]] = Etc.getpwnam(l[:username])
+ pwnam[username] = Etc.getpwnam(username)
rescue => e
STDERR.puts "Created account but then getpwnam() failed for #{l[:username]}: #{e}"
raise
end
end
+ existing_groups = current_user_groups[username] || []
+ groups = l[:groups] || []
+ # Adding users to the FUSE group has long been hardcoded behavior.
+ groups << "fuse"
+ groups << username
+ groups.select! { |g| Etc.getgrnam(g) rescue false }
+
+ groups.each do |addgroup|
+ if existing_groups.index(addgroup).nil?
+ # User should be in group, but isn't, so add them.
+ STDERR.puts "Add user #{username} to #{addgroup} group"
+ out, st = Open3.capture2e("usermod", "-aG", addgroup, username)
+ if st.exitstatus != 0
+ STDERR.puts "Failed to add #{username} to #{addgroup} group:\n#{out}"
+ end
+ end
+ end
+
+ existing_groups.each do |removegroup|
+ if groups.index(removegroup).nil?
+ # User is in a group, but shouldn't be, so remove them.
+ STDERR.puts "Remove user #{username} from #{removegroup} group"
+ out, st = Open3.capture2e("gpasswd", "-d", username, removegroup)
+ if st.exitstatus != 0
+ STDERR.puts "Failed to remove user #{username} from #{removegroup} group:\n#{out}"
+ end
+ end
+ end
+
homedir = pwnam[l[:username]].dir
userdotssh = File.join(homedir, ".ssh")
Dir.mkdir(userdotssh) if !File.exist?(userdotssh)
oldkeys = ""
end
- if exclusive_mode
+ if options[:exclusive]
newkeys = exclusive_banner + newkeys
elsif oldkeys.start_with?(exclusive_banner)
newkeys = start_banner + newkeys + end_banner
tokenfile = File.join(configarvados, "settings.conf")
begin
- if !File.exist?(tokenfile)
- user_token = arv.api_client_authorization.create(api_client_authorization: {owner_uuid: l[:user_uuid], api_client_id: 0})
+ STDERR.puts "Processing #{tokenfile} ..." if debug
+ newToken = false
+ if File.exist?(tokenfile)
+ # check if the token is still valid
+ myToken = ENV["ARVADOS_API_TOKEN"]
+ userEnv = IO::read(tokenfile)
+ if (m = /^ARVADOS_API_TOKEN=(.*?\n)/m.match(userEnv))
+ begin
+ tmp_arv = Arvados.new({ :api_host => (ENV['LOGINCLUSTER_ARVADOS_API_HOST'] || ENV['ARVADOS_API_HOST']),
+ :api_token => (m[1]),
+ :suppress_ssl_warnings => false })
+ tmp_arv.user.current
+ rescue Arvados::TransactionFailedError => e
+ if e.to_s =~ /401 Unauthorized/
+ STDERR.puts "Account #{l[:username]} token not valid, creating new token."
+ newToken = true
+ else
+ raise
+ end
+ end
+ end
+ elsif !File.exist?(tokenfile) || options[:"rotate-tokens"]
+ STDERR.puts "Account #{l[:username]} token file not found, creating new token."
+ newToken = true
+ end
+ if newToken
+ aca_params = {owner_uuid: l[:user_uuid], api_client_id: 0}
+ if options[:"token-lifetime"] && options[:"token-lifetime"] > 0
+ aca_params.merge!(expires_at: (Time.now + options[:"token-lifetime"]))
+ end
+ user_token = logincluster_arv.api_client_authorization.create(api_client_authorization: aca_params)
f = File.new(tokenfile, 'w')
f.write("ARVADOS_API_HOST=#{ENV['ARVADOS_API_HOST']}\n")
f.write("ARVADOS_API_TOKEN=v2/#{user_token[:uuid]}/#{user_token[:api_token]}\n")
end
end
- devnull.close
rescue Exception => bang
puts "Error: " + bang.to_s
puts bang.backtrace.join("\n")
projects / arvados.git / blobdiff