1 require "chef/mixin/shell_out"
5 include Chef::Mixin::ShellOut
8 :select, :insert, :update, :delete, :truncate, :references, :trigger
11 def initialize(cluster)
16 # Create argument array
20 args.push("--cluster")
24 args.push("--no-align") unless options.fetch(:align, true)
26 # Add any SQL command to execute
28 args.push("--command")
29 args.push(options[:command])
32 # Add any file to execute SQL commands from
35 args.push(options[:file])
38 # Add the database name
39 args.push(options[:database] || "template1")
41 # Get the user and group to run as
42 user = options[:user] || "postgres"
43 group = options[:group] || "postgres"
46 shell_out!("/usr/bin/psql", *args, :user => user, :group => group)
49 def query(sql, options = {})
51 result = execute(options.merge(:command => sql, :align => false))
53 # Split the output into lines
54 lines = result.stdout.split("\n")
56 # Remove the "(N rows)" line from the end
60 fields = lines.shift.split("|")
62 # Extract the record data
63 lines.collect do |line|
65 fields.zip(line.split("|")) { |name, value| record[name.to_sym] = value }
71 @users ||= query("SELECT * FROM pg_user").each_with_object({}) do |user, users|
72 users[user[:usename]] = {
73 :superuser => user[:usesuper] == "t",
74 :createdb => user[:usercreatedb] == "t",
75 :createrole => user[:usecatupd] == "t",
76 :replication => user[:userepl] == "t"
82 @databases ||= query("SELECT d.datname, u.usename, d.encoding, d.datcollate, d.datctype FROM pg_database AS d INNER JOIN pg_user AS u ON d.datdba = u.usesysid").each_with_object({}) do |database, databases|
83 databases[database[:datname]] = {
84 :owner => database[:usename],
85 :encoding => database[:encoding],
86 :collate => database[:datcollate],
87 :ctype => database[:datctype]
92 def extensions(database)
94 @extensions[database] ||= query("SELECT extname, extversion FROM pg_extension", :database => database).each_with_object({}) do |extension, extensions|
95 extensions[extension[:extname]] = {
96 :version => extension[:extversion]
102 @tablespaces ||= query("SELECT spcname, usename FROM pg_tablespace AS t INNER JOIN pg_user AS u ON t.spcowner = u.usesysid").each_with_object({}) do |tablespace, tablespaces|
103 tablespaces[tablespace[:spcname]] = {
104 :owner => tablespace[:usename]
111 @tables[database] ||= query("SELECT n.nspname, c.relname, u.usename, c.relacl FROM pg_class AS c INNER JOIN pg_user AS u ON c.relowner = u.usesysid INNER JOIN pg_namespace AS n ON c.relnamespace = n.oid", :database => database).each_with_object({}) do |table, tables|
112 name = "#{table[:nspname]}.#{table[:relname]}"
115 :owner => table[:usename],
116 :permissions => parse_acl(table[:relacl] || "{}")
124 acl.sub(/^\{(.*)\}$/, "\\1").split(",").each_with_object({}) do |entry, permissions|
125 entry = entry.sub(/^"(.*)"$/) { Regexp.last_match[1].gsub(/\\"/, '"') }.sub(%r{/.*$}, "")
126 user, privileges = entry.split("=")
128 user = user.sub(/^"(.*)"$/, "\\1")
129 user = "public" if user == ""
131 permissions[user] = {
132 "a" => :insert, "r" => :select, "w" => :update, "d" => :delete,
133 "D" => :truncate, "x" => :references, "t" => :trigger
134 }.values_at(*privileges.chars).compact