ad5bc23088
Adds powershell validation to ensure powershell is available on the PATH and checks powershell version to ensure meets the defined minimum powershell version.
107 lines
2.9 KiB
Ruby
107 lines
2.9 KiB
Ruby
require_relative "subprocess"
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require_relative "which"
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module Vagrant
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module Util
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# Executes PowerShell scripts.
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#
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# This is primarily a convenience wrapper around Subprocess that
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# properly sets powershell flags for you.
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class PowerShell
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# NOTE: Version checks are only on Major
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MINIMUM_REQUIRED_VERSION = 3
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# @return [Boolean] powershell executable available on PATH
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def self.available?
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if !defined?(@_powershell_available)
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@_powershell_available = !!Which.which("powershell")
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end
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@_powershell_available
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end
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# Execute a powershell script.
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#
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# @param [String] path Path to the PowerShell script to execute.
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# @return [Subprocess::Result]
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def self.execute(path, *args, **opts, &block)
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validate_install!
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command = [
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"powershell",
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"-NoLogo",
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"-NoProfile",
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"-NonInteractive",
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"-ExecutionPolicy", "Bypass",
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"&('#{path}')",
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args
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].flatten
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# Append on the options hash since Subprocess doesn't use
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# Ruby 2.0 style options yet.
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command << opts
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Subprocess.execute(*command, &block)
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end
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# Execute a powershell command.
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#
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# @param [String] command PowerShell command to execute.
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# @return [Subprocess::Result]
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def self.execute_cmd(command)
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validate_install!
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c = [
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"powershell",
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"-NoLogo",
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"-NoProfile",
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"-NonInteractive",
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"-ExecutionPolicy", "Bypass",
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"-Command",
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command
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].flatten
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r = Subprocess.execute(*c)
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return nil if r.exit_code != 0
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return r.stdout.chomp
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end
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# Returns the version of PowerShell that is installed.
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#
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# @return [String]
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def self.version
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if !defined?(@_powershell_version)
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command = [
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"powershell",
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"-NoLogo",
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"-NoProfile",
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"-NonInteractive",
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"-ExecutionPolicy", "Bypass",
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"-Command",
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"$PSVersionTable.PSVersion.Major"
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].flatten
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r = Subprocess.execute(*command)
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@_powershell_version = r.exit_code != 0 ? nil : r.stdout.chomp
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end
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@_powershell_version
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end
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# Validates that powershell is installed, available, and
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# at or above minimum required version
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#
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# @return [Boolean]
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# @raises []
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def self.validate_install!
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if !defined?(@_powershell_validation)
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raise Errors::PowerShellNotFound if !available?
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if version.to_i < MINIMUM_REQUIRED_VERSION
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raise Errors::PowerShellInvalidVersion,
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minimum_version: MINIMUM_REQUIRED_VERSION,
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installed_version: version ? version : "N/A"
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end
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@_powershell_validation = true
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end
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@_powershell_validation
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end
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end
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end
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end
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