Error passing Pillar data to slack engine

[neeleshg]

Description of Issue

Unable to pass Pillar data to !state.apply command.
For eg. ! state.apply pillar=‘{“editPackage”: “vim”}’ target=*
It throws error in salt master log.
It is similar like #39783

Setup

/etc/salt/master:

file_roots:
  base:
    - /opt/salt/base
pillar_roots:
  base:
    - /opt/pillar/base
log_file: /var/log/salt/master
log_level: debug
engines_dirs:
  - /opt/engines

engines:
  - slack:
      token: 'TOKEN VALUE'
      control: True
      fire_all: false
      groups_pillar_name: 'slack_engine:groups_pillar'
      groups:
        default:
          users:
            - '*'
          commands:
            - test.ping
            - state.apply 
            - grains.ls
            - cmd.run
            - list_jobs
            - list_commands
          aliases:
            list_jobs:
              cmd: jobs.list_jobs
            list_commands:
              cmd: 'pillar.get salt:engines:slack:valid_commands target=* tgt_type=glob'
            ping_all:
              cmd: test.ping target='*'
          default_target:
            target: <MASTER MINION ID>
            tgt_type: list

/opt/salt/base/top.sls:

base:
  '*':
    - package

/opt/salt/base/package.sls:

editpackage:
  pkg.installed:
    - name: {{ pillar['editPackage']  }}

Steps to Reproduce Issue

Command executed in slackbot:

! state.apply pillar=‘{“editPackage”: “vim”}’ target=*

It shows cmdline in master log:

u'cmdline': [u'state.apply', u'pillar=\u2018{\u201ceditPackage\u201d:', u'\u201cvim\u201d}\u2019']

and throw below errors in /var/log/salt/master:

[CRITICAL][30693] Engine 'slack' could not be started!
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/salt/engines/__init__.py", line 132, in run
    self.engine[self.fun](**kwargs)
  File "/opt/engines/slack.py", line 849, in start
    raise Exception('{}'.format(traceback.format_exc()))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 671: ordinal not in range(128)

Versions Report

[root@ip-172-31-13-97 ~]# salt --versions-report
Salt Version:
           Salt: 2019.2.2
 
Dependency Versions:
           cffi: 1.6.0
       cherrypy: unknown
       dateutil: 2.6.0
      docker-py: Not Installed
          gitdb: Not Installed
      gitpython: Not Installed
          ioflo: Not Installed
         Jinja2: 2.7.2
        libgit2: Not Installed
        libnacl: Not Installed
       M2Crypto: 0.31.0
           Mako: Not Installed
   msgpack-pure: Not Installed
 msgpack-python: 0.5.6
   mysql-python: Not Installed
      pycparser: 2.14
       pycrypto: 2.6.1
   pycryptodome: Not Installed
         pygit2: Not Installed
         Python: 2.7.16 (default, Sep 13 2019, 20:28:21)
   python-gnupg: Not Installed
         PyYAML: 3.11
          PyZMQ: 15.3.0
           RAET: Not Installed
          smmap: Not Installed
        timelib: Not Installed
        Tornado: 4.2.1
            ZMQ: 4.1.4
 
System Versions:
           dist:   
         locale: UTF-8
        machine: x86_64
        release: 4.14.152-127.182.amzn2.x86_64
         system: Linux
        version: Not Installed