require 'etc'
require 'fileutils'
require 'yaml'
+require 'optparse'
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', 'Always create new user tokens. Usually needed with --token-lifetime.')
+ 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)
+end.parse!(into: options)
+
exclusive_banner = "#######################################################################################
# THIS FILE IS MANAGED BY #{$0} -- CHANGES WILL BE OVERWRITTEN #
#######################################################################################\n\n"
start_banner = "### BEGIN Arvados-managed keys -- changes between markers will be overwritten\n"
end_banner = "### END Arvados-managed keys -- changes between markers will be overwritten\n"
-# Don't try to create any local accounts
-skip_missing_users = ARGV.index("--skip-missing-users")
-
keys = ''
begin
arv = Arvados.new({ :suppress_ssl_warnings => false })
+ logincluster_arv = Arvados.new({ :api_host => (ENV['LOGINCLUSTER_ARVADOS_API_HOST'] || ENV['ARVADOS_API_HOST']),
+ :api_token => (ENV['LOGINCLUSTER_ARVADOS_API_TOKEN'] || ENV['ARVADOS_API_TOKEN']),
+ :suppress_ssl_warnings => false })
vm_uuid = ENV['ARVADOS_VIRTUAL_MACHINE_UUID']
logins = arv.virtual_machine.logins(:uuid => vm_uuid)[:items]
logins = [] if logins.nil?
- logins = logins.reject { |l| l[:username].nil? or l[:hostname].nil? or l[:public_key].nil? or l[:virtual_machine_uuid] != vm_uuid }
+ logins = logins.reject { |l| l[:username].nil? or l[:hostname].nil? or l[:virtual_machine_uuid] != vm_uuid }
# No system users
uid_min = 1000
pwnam = Hash.new()
logins.reject! do |l|
- if pwnam[l[:username]]
- false
- else
+ if not pwnam[l[:username]]
begin
pwnam[l[:username]] = Etc.getpwnam(l[:username])
rescue
- if skip_missing_users
+ if options[:"skip-missing-users"]
STDERR.puts "Account #{l[:username]} not found. Skipping"
true
end
logins.each do |l|
keys[l[:username]] = Array.new() if not keys.has_key?(l[:username])
key = l[:public_key]
- # Handle putty-style ssh public keys
- key.sub!(/^(Comment: "r[^\n]*\n)(.*)$/m,'ssh-rsa \2 \1')
- key.sub!(/^(Comment: "d[^\n]*\n)(.*)$/m,'ssh-dss \2 \1')
- key.gsub!(/\n/,'')
- key.strip
-
- keys[l[:username]].push(key) if not keys[l[:username]].include?(key)
+ if !key.nil?
+ # Handle putty-style ssh public keys
+ key.sub!(/^(Comment: "r[^\n]*\n)(.*)$/m,'ssh-rsa \2 \1')
+ key.sub!(/^(Comment: "d[^\n]*\n)(.*)$/m,'ssh-dss \2 \1')
+ key.gsub!(/\n/,'')
+ key.strip
+
+ keys[l[:username]].push(key) if not keys[l[:username]].include?(key)
+ end
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],
+ "-c", username,
"-s", "/bin/bash",
- "-G", groups.join(","),
- l[:username],
- out: devnull)
- STDERR.puts "Account creation failed for #{l[:username]}: $?"
+ username)
+ STDERR.puts "Account creation failed for #{l[:username]}: #{$?}"
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
- @homedir = pwnam[l[:username]].dir
- userdotssh = File.join(@homedir, ".ssh")
- Dir.mkdir(userdotssh) if !File.exists?(userdotssh)
+ 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"
+ system("adduser", username, addgroup)
+ 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"
+ system("deluser", username, removegroup)
+ end
+ end
+
+ homedir = pwnam[l[:username]].dir
+ userdotssh = File.join(homedir, ".ssh")
+ Dir.mkdir(userdotssh) if !File.exist?(userdotssh)
newkeys = "###\n###\n" + keys[l[:username]].join("\n") + "\n###\n###\n"
keysfile = File.join(userdotssh, "authorized_keys")
- if File.exists?(keysfile)
+ if File.exist?(keysfile)
oldkeys = IO::read(keysfile)
else
oldkeys = ""
end
- if exclusive_mode
+ if options[:exclusive]
newkeys = exclusive_banner + newkeys
elsif oldkeys.start_with?(exclusive_banner)
newkeys = start_banner + newkeys + end_banner
f.write(newkeys)
f.close()
end
+
+ userdotconfig = File.join(homedir, ".config")
+ if !File.exist?(userdotconfig)
+ Dir.mkdir(userdotconfig)
+ end
+
+ configarvados = File.join(userdotconfig, "arvados")
+ Dir.mkdir(configarvados) if !File.exist?(configarvados)
+
+ tokenfile = File.join(configarvados, "settings.conf")
+
+ begin
+ if !File.exist?(tokenfile) || options[:"rotate-tokens"]
+ 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")
+ f.close()
+ end
+ rescue => e
+ STDERR.puts "Error setting token for #{l[:username]}: #{e}"
+ end
+
FileUtils.chown_R(l[:username], nil, userdotssh)
+ FileUtils.chown_R(l[:username], nil, userdotconfig)
File.chmod(0700, userdotssh)
- File.chmod(0750, @homedir)
+ File.chmod(0700, userdotconfig)
+ File.chmod(0700, configarvados)
+ File.chmod(0750, homedir)
File.chmod(0600, keysfile)
+ if File.exist?(tokenfile)
+ File.chmod(0600, tokenfile)
+ end
end
- devnull.close
rescue Exception => bang
puts "Error: " + bang.to_s
puts bang.backtrace.join("\n")
projects / arvados.git / blobdiff