-require 'chef/mixin/command'
+require "chef/mixin/shell_out"
-class Chef
+module OpenStreetMap
class PostgreSQL
- include Chef::Mixin::Command
+ include Chef::Mixin::ShellOut
TABLE_PRIVILEGES = [
:select, :insert, :update, :delete, :truncate, :references, :trigger
- ]
+ ].freeze
def initialize(cluster)
@cluster = cluster
end
+ def version
+ @cluster.split("/").first.to_f
+ end
+
def execute(options)
# Create argument array
args = []
- # Build the arguments
- args.push("--command=\"#{options[:command].gsub('"', '\\"')}\"") if options[:command]
- args.push("--file=#{options[:file]}") if options[:file]
+ # Add the cluster
+ args.push("--cluster")
+ args.push(@cluster)
- # Get the database to use
- database = options[:database] || "template1"
+ # Set output format
+ args.push("--no-align") unless options.fetch(:align, true)
- # Build the command to run
- command = "/usr/bin/psql --cluster #{@cluster} #{args.join(' ')} #{database}"
+ # Add any SQL command to execute
+ if options[:command]
+ args.push("--command")
+ args.push(options[:command])
+ end
+
+ # Add any file to execute SQL commands from
+ if options[:file]
+ args.push("--file")
+ args.push(options[:file])
+ end
+
+ # Add the database name
+ args.push(options[:database] || "template1")
# Get the user and group to run as
user = options[:user] || "postgres"
group = options[:group] || "postgres"
# Run the command
- run_command(:command => command, :user => user, :group => group)
+ shell_out!("/usr/bin/psql", *args, :user => user, :group => group)
end
def query(sql, options = {})
- # Get the database to use
- database = options[:database] || "template1"
-
- # Construct the command string
- command = "/usr/bin/psql --cluster #{@cluster} --no-align --command='#{sql}' #{database}"
-
# Run the query
- status, stdout, stderr = output_of_command(command, :user => "postgres", :group => "postgres")
- handle_command_failures(status, "STDOUT: #{stdout}\nSTDERR: #{stderr}", :output_on_failure => true)
+ result = execute(options.merge(:command => sql, :align => false))
# Split the output into lines
- lines = stdout.split("\n")
+ lines = result.stdout.split("\n")
# Remove the "(N rows)" line from the end
lines.pop
# Extract the record data
lines.collect do |line|
record = {}
- fields.zip(line.split("|")) { |name,value| record[name.to_sym] = value }
+ fields.zip(line.split("|")) { |name, value| record[name.to_sym] = value }
record
end
end
def users
- @users ||= query("SELECT * FROM pg_user").inject({}) do |users,user|
+ @users ||= query("SELECT * FROM pg_user").each_with_object({}) do |user, users|
users[user[:usename]] = {
:superuser => user[:usesuper] == "t",
:createdb => user[:usercreatedb] == "t",
:createrole => user[:usecatupd] == "t",
:replication => user[:userepl] == "t"
}
- users
end
end
def databases
- @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").inject({}) do |databases,database|
+ @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|
databases[database[:datname]] = {
:owner => database[:usename],
:encoding => database[:encoding],
:collate => database[:datcollate],
:ctype => database[:datctype]
}
- databases
end
end
def extensions(database)
@extensions ||= {}
- @extensions[database] ||= query("SELECT extname, extversion FROM pg_extension", :database => database).inject({}) do |extensions,extension|
+ @extensions[database] ||= query("SELECT extname, extversion FROM pg_extension", :database => database).each_with_object({}) do |extension, extensions|
extensions[extension[:extname]] = {
:version => extension[:extversion]
}
- databases
+ end
+ end
+
+ def tablespaces
+ @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|
+ tablespaces[tablespace[:spcname]] = {
+ :owner => tablespace[:usename]
+ }
end
end
def tables(database)
@tables ||= {}
- @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).inject({}) do |tables,table|
+ @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|
name = "#{table[:nspname]}.#{table[:relname]}"
tables[name] = {
:owner => table[:usename],
:permissions => parse_acl(table[:relacl] || "{}")
}
-
- tables
end
end
- private
+ private
def parse_acl(acl)
- acl.sub(/^\{(.*)\}$/, "\\1").split(",").inject({}) do |permissions, entry|
- entry = entry.sub(/^"(.*)"$/) { $1.gsub(/\\"/, '"') }.sub(/\/.*$/, "")
+ acl.sub(/^\{(.*)\}$/, "\\1").split(",").each_with_object({}) do |entry, permissions|
+ entry = entry.sub(/^"(.*)"$/) { Regexp.last_match[1].gsub(/\\"/, '"') }.sub(%r{/.*$}, "")
user, privileges = entry.split("=")
user = user.sub(/^"(.*)"$/, "\\1")
permissions[user] = {
"a" => :insert, "r" => :select, "w" => :update, "d" => :delete,
"D" => :truncate, "x" => :references, "t" => :trigger
- }.values_at(*(privileges.chars)).compact
-
- permissions
+ }.values_at(*privileges.chars).compact
end
end
end
projects / chef.git / blobdiff