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Revert "Add PowerShell exception handling and turn on strict mode."

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This commit is contained in:
James Cammarata 2015-08-23 21:09:16 -04:00
parent 3aedc0bca9
commit db65503778
9 changed files with 22 additions and 286 deletions
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45
lib/ansible/module_utils/powershell.ps1
View file

@ -26,8 +26,6 @@
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
Set-StrictMode -Version Latest
# Ansible v2 will insert the module arguments below as a string containing
# JSON; assign them to an environment variable and redefine $args so existing
# modules will continue to work.
@ -49,14 +47,7 @@ Function Set-Attr($obj, $name, $value)
$obj = New-Object psobject
}
Try
{
$obj.$name = $value
}
Catch
{
$obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
}
$obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
}
# Helper function to convert a powershell object to JSON to echo it, exiting
@ -87,7 +78,7 @@ Function Fail-Json($obj, $message = $null)
$obj = New-Object psobject
}
# If the first args is undefined or not an object, make it an object
ElseIf (-not $obj -or -not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
ElseIf (-not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
{
$obj = New-Object psobject
}
@ -103,32 +94,24 @@ Function Fail-Json($obj, $message = $null)
# slightly more pythonic
# Example: $attr = Get-Attr $response "code" -default "1"
#Note that if you use the failifempty option, you do need to specify resultobject as well.
Function Get-Attr($obj, $name, $default = $null, $resultobj, $failifempty=$false, $emptyattributefailmessage)
Function Get-Attr($obj, $name, $default = $null,$resultobj, $failifempty=$false, $emptyattributefailmessage)
{
# Check if the provided Member $name exists in $obj and return it or the default.
Try
# Check if the provided Member $name exists in $obj and return it or the
# default
If ($obj.$name.GetType)
{
If (-not $obj.$name.GetType)
{
throw
}
$obj.$name
}
Catch
Elseif($failifempty -eq $false)
{
If ($failifempty -eq $false)
{
$default
}
Else
{
If (!$emptyattributefailmessage)
{
$emptyattributefailmessage = "Missing required argument: $name"
}
Fail-Json -obj $resultobj -message $emptyattributefailmessage
}
$default
}
else
{
if (!$emptyattributefailmessage) {$emptyattributefailmessage = "Missing required argument: $name"}
Fail-Json -obj $resultobj -message $emptyattributefailmessage
}
return
}
# Helper filter/pipeline function to convert a value to boolean following current

2
lib/ansible/plugins/connections/winrm.py
View file

@ -167,7 +167,7 @@ class Connection(ConnectionBase):
elif '-EncodedCommand' not in cmd_parts:
script = ' '.join(cmd_parts)
if script:
cmd_parts = self._shell._encode_script(script, as_list=True, strict_mode=False)
cmd_parts = self._shell._encode_script(script, as_list=True)
if '-EncodedCommand' in cmd_parts:
encoded_cmd = cmd_parts[cmd_parts.index('-EncodedCommand') + 1]
decoded_cmd = to_unicode(base64.b64decode(encoded_cmd))

45
lib/ansible/plugins/shell/powershell.py
View file

@ -112,41 +112,12 @@ class ShellModule(object):
cmd_parts.insert(0, '&')
elif shebang and shebang.startswith('#!'):
cmd_parts.insert(0, shebang[2:])
script = '''
Try
{
%s
}
Catch
{
$_obj = @{ failed = $true }
If ($_.Exception.GetType)
{
$_obj.Add('msg', $_.Exception.Message)
}
Else
{
$_obj.Add('msg', $_.ToString())
}
If ($_.InvocationInfo.PositionMessage)
{
$_obj.Add('exception', $_.InvocationInfo.PositionMessage)
}
ElseIf ($_.ScriptStackTrace)
{
$_obj.Add('exception', $_.ScriptStackTrace)
}
Try
{
$_obj.Add('error_record', ($_ | ConvertTo-Json | ConvertFrom-Json))
}
Catch
{
}
Echo $_obj | ConvertTo-Json -Compress -Depth 99
Exit 1
}
''' % (' '.join(cmd_parts))
catch = '''
$_obj = @{ failed = $true; $msg = $_ }
echo $_obj | ConvertTo-Json -Compress -Depth 99
Exit 1
'''
script = 'Try { %s }\nCatch { %s }' % (' '.join(cmd_parts), 'throw')
if rm_tmp:
rm_tmp = self._escape(self._unquote(rm_tmp))
rm_cmd = 'Remove-Item "%s" -Force -Recurse -ErrorAction SilentlyContinue' % rm_tmp
@ -178,11 +149,9 @@ class ShellModule(object):
replace = lambda m: substs[m.lastindex - 1]
return re.sub(pattern, replace, value)
def _encode_script(self, script, as_list=False, strict_mode=True):
def _encode_script(self, script, as_list=False):
'''Convert a PowerShell script to a single base64-encoded command.'''
script = to_unicode(script)
if strict_mode:
script = u'Set-StrictMode -Version Latest\r\n%s' % script
script = '\n'.join([x.strip() for x in script.splitlines() if x.strip()])
encoded_script = base64.b64encode(script.encode('utf-16-le'))
cmd_parts = _common_args + ['-EncodedCommand', encoded_script]

31
test/integration/roles/test_win_ping/library/win_ping_set_attr.ps1
View file

@ -1,31 +0,0 @@
#!powershell
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# POWERSHELL_COMMON
$params = Parse-Args $args $true;
$data = Get-Attr $params "data" "pong";
$result = New-Object psobject @{
changed = $false
ping = "pong"
};
# Test that Set-Attr will replace an existing attribute.
Set-Attr $result "ping" $data
Exit-Json $result;

30
test/integration/roles/test_win_ping/library/win_ping_strict_mode_error.ps1
View file

@ -1,30 +0,0 @@
#!powershell
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# POWERSHELL_COMMON
$params = Parse-Args $args $true;
$x = $params.thisPropertyDoesNotExist
$data = Get-Attr $params "data" "pong";
$result = New-Object psobject @{
changed = $false
ping = $data
};
Exit-Json $result;

30
test/integration/roles/test_win_ping/library/win_ping_syntax_error.ps1
View file

@ -1,30 +0,0 @@
#!powershell
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# POWERSHELL_COMMON
$blah = 'I can't quote my strings correctly.'
$params = Parse-Args $args $true;
$data = Get-Attr $params "data" "pong";
$result = New-Object psobject @{
changed = $false
ping = $data
};
Exit-Json $result;

30
test/integration/roles/test_win_ping/library/win_ping_throw.ps1
View file

@ -1,30 +0,0 @@
#!powershell
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# POWERSHELL_COMMON
throw
$params = Parse-Args $args $true;
$data = Get-Attr $params "data" "pong";
$result = New-Object psobject @{
changed = $false
ping = $data
};
Exit-Json $result;

30
test/integration/roles/test_win_ping/library/win_ping_throw_string.ps1
View file

@ -1,30 +0,0 @@
#!powershell
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# POWERSHELL_COMMON
throw "no ping for you"
$params = Parse-Args $args $true;
$data = Get-Attr $params "data" "pong";
$result = New-Object psobject @{
changed = $false
ping = $data
};
Exit-Json $result;

65
test/integration/roles/test_win_ping/tasks/main.yml
View file

@ -79,68 +79,3 @@
- "not win_ping_extra_args_result|failed"
- "not win_ping_extra_args_result|changed"
- "win_ping_extra_args_result.ping == 'bloop'"
- name: test modified win_ping that throws an exception
action: win_ping_throw
register: win_ping_throw_result
ignore_errors: true
- name: check win_ping_throw result
assert:
that:
- "win_ping_throw_result|failed"
- "not win_ping_throw_result|changed"
- "win_ping_throw_result.msg == 'ScriptHalted'"
- "win_ping_throw_result.exception"
- "win_ping_throw_result.error_record"
- name: test modified win_ping that throws a string exception
action: win_ping_throw_string
register: win_ping_throw_string_result
ignore_errors: true
- name: check win_ping_throw_string result
assert:
that:
- "win_ping_throw_string_result|failed"
- "not win_ping_throw_string_result|changed"
- "win_ping_throw_string_result.msg == 'no ping for you'"
- "win_ping_throw_string_result.exception"
- "win_ping_throw_string_result.error_record"
- name: test modified win_ping that has a syntax error
action: win_ping_syntax_error
register: win_ping_syntax_error_result
ignore_errors: true
- name: check win_ping_syntax_error result
assert:
that:
- "win_ping_syntax_error_result|failed"
- "not win_ping_syntax_error_result|changed"
- "win_ping_syntax_error_result.msg"
- "win_ping_syntax_error_result.exception"
- name: test modified win_ping that has an error that only surfaces when strict mode is on
action: win_ping_strict_mode_error
register: win_ping_strict_mode_error_result
ignore_errors: true
- name: check win_ping_strict_mode_error result
assert:
that:
- "win_ping_strict_mode_error_result|failed"
- "not win_ping_strict_mode_error_result|changed"
- "win_ping_strict_mode_error_result.msg"
- "win_ping_strict_mode_error_result.exception"
- name: test modified win_ping to verify a Set-Attr fix
action: win_ping_set_attr data="fixed"
register: win_ping_set_attr_result
- name: check win_ping_set_attr_result result
assert:
that:
- "not win_ping_set_attr_result|failed"
- "not win_ping_set_attr_result|changed"
- "win_ping_set_attr_result.ping == 'fixed'"