software/theia: Fix slapos env discrepancy

See merge request !938

software/theia/buildout.hash.cfg

@@ -15,7 +15,7 @@
 
 [instance]
 filename = instance.cfg.in
-md5sum = e56a6722e4f0bc958f6b61f13174e852
+md5sum = ab61eeb45300a91c0c4fb42bd5c52c9f
 
 [yarn.lock]
 filename = yarn.lock

software/theia/instance.cfg.in

@@ -279,6 +279,23 @@ location = $${directory:frontend-static}/$${:filename}
 filename = $${:_buildout_section_name_}
 
 
+# Common Environment
+# ------------------
+
+[common-environment]
+recipe = slapos.recipe.template:jinja2
+rendered = ${buildout:bin-directory}/${:_buildout_section_name_}
+mode = 0777
+template =
+  inline:
+  #!/bin/sh
+  . ${gowork:env.sh}
+  # reset PS1 from gowork
+  export PS1='$ '
+  export HOME=$${buildout:directory}
+  export PATH=${python-language-server:location}/bin:${java-jdk:location}/bin:${cli-utilities:PATH}:$HOME/.cargo/bin:$PATH
+
+
 # Theia Backend
 # -------------
 
@@ -300,12 +317,13 @@ template =
   export THEIA_OPEN_EDITOR_TOKEN=$(${openssl:location}/bin/openssl rand -hex 32)
   export THEIA_URL=$${:base-url}
   export THEIA_SHELL=$${theia-shell:rendered}
-  export HOME=$${buildout:directory}
   export TMP=$${directory:tmp}
   export TEMP=$TMP
   export LC_ALL=C.UTF-8
   export TERMINFO=${ncurses:location}/lib/terminfo/
   export EDITOR="${python-language-server:location}/bin/python -m theia_open --wait"
+  export THEIA_DEFAULT_PLUGINS="local-dir:${theia-plugins:location}"
+  . $${common-environment:rendered}
   exec ${theia-wrapper:rendered} $@
 ip =  $${theia-service-port:ip}
 port = $${theia-service-port:port}
@@ -392,7 +410,9 @@ rendered = $${directory:bin}/$${:_buildout_section_name_}
 mode = 0700
 template =
   inline:#!/bin/sh
-  export PATH=${buildout:bin-directory}:$PATH
+  . $${common-environment:rendered}
+  export PATH=${nodejs:location}/bin/:$PATH
+  . $${slapos-standalone-activate:rendered}
   exec ${slapos-standalone:script-path} \
       $${directory:runner} \
       $${slapos-standalone-config:ipv4} \

software/theia/software.cfg

@@ -299,7 +299,8 @@ install +=
 
 
 [cli-utilities]
-PATH = ${nodejs:location}/bin/:${bash:location}/bin/:${fish-shell:location}/bin/:${tig:location}/bin/:${vim:location}/bin/:${tmux:location}/bin/:${git:location}/bin/:${curl:location}/bin:${python2.7:location}/bin/:${buildout:bin-directory}
+PATH = ${nodejs:location}/bin:${bash:location}/bin:${fish-shell:location}/bin:${tig:location}/bin:${vim:location}/bin:${tmux:location}/bin:${git:location}/bin:${curl:location}/bin:${python2.7:location}/bin:${buildout:bin-directory}
+
 
 [theia-wrapper]
 recipe = slapos.recipe.template:jinja2
@@ -307,12 +308,7 @@ rendered = ${buildout:bin-directory}/${:_buildout_section_name_}
 mode = 0777
 template =
   inline:
-  #!/bin/bash
-  . ${gowork:env.sh}
-  export PATH=${python-language-server:location}/bin/:${java-jdk:location}/bin/:${cli-utilities:PATH}:$HOME/.cargo/bin:$PATH
-  export THEIA_DEFAULT_PLUGINS="local-dir:${theia-plugins:location}"
-  # reset PS1 from gowork
-  export PS1='$ '
+  #!/bin/sh
   cd ${theia:location}
   exec ${yarn:location}/bin/yarn theia start $@
 

software/theia/test/dummy/README.md

+# Dummy Software
+
+A very simple SR that dumps the environment in JSON format during installation.

software/theia/test/dummy/software.cfg

+[buildout]
+
+newest = false
+
+versions = versions
+
+parts =
+  log-env
+
+[log-env]
+recipe = slapos.recipe.build
+init =
+  import json
+  import os
+  with open("${buildout:directory}/../env.json", 'w') as f:
+    json.dump(dict(os.environ), f)
+
+[versions]
+slapos.recipe.build = 0.46

software/theia/test/test.py

@@ -33,6 +33,7 @@ import subprocess
 import tempfile
 import time
 import re
+import json
 from six.moves.urllib.parse import urlparse, urljoin
 
 import pexpect
@@ -50,8 +51,17 @@ setUpModule, SlapOSInstanceTestCase = makeModuleSetUpAndTestCaseClass(
         os.path.join(os.path.dirname(__file__), '..', 'software.cfg')))
 
 
-class TestTheia(SlapOSInstanceTestCase):
-  __partition_reference__ = 'T' # for sockets in included slapos
+class TheiaTestCase(SlapOSInstanceTestCase):
+  __partition_reference__ = 'T' # for supervisord sockets in included slapos
+
+  @classmethod
+  def _getSlapos(cls):
+    partition_root = cls.computer_partition_root_path
+    slapos = os.path.join(partition_root, 'srv', 'runner', 'bin', 'slapos')
+    return slapos
+
+
+class TestTheia(TheiaTestCase):
   def setUp(self):
     self.connection_parameters = self.computer_partition.getConnectionParameterDict()
 
@@ -178,9 +188,7 @@ class TestTheia(SlapOSInstanceTestCase):
     self.assertTrue(os.path.exists(script_path))
 
 
-class TestTheiaEmbeddedSlapOSShutdown(SlapOSInstanceTestCase):
-  __partition_reference__ = 'T' # for sockets in included slapos
-
+class TestTheiaEmbeddedSlapOSShutdown(TheiaTestCase):
   def test_stopping_instance_stops_embedded_slapos(self):
     embedded_slapos_supervisord_socket = _getSupervisordSocketPath(
         os.path.join(
@@ -212,57 +220,95 @@ class TestTheiaEmbeddedSlapOSShutdown(SlapOSInstanceTestCase):
     self.assertFalse(embedded_slapos_process.is_running())
 
 
-class SQLiteDB(object):
-  def __init__(self, sqlitedb_file):
-    self.sqlitedb_file = sqlitedb_file
-
-  def select(self, fields, table, where={}):
-    connection = sqlite3.connect(self.sqlitedb_file)
-
-    def dict_factory(cursor, row):
-      d = {}
-      for idx, col in enumerate(cursor.description):
-        d[col[0]] = row[idx]
-      return d
-    connection.row_factory = dict_factory
-    cursor = connection.cursor()
-
-    condition = " AND ".join("%s='%s'" % (k, v) for k, v in where.items())
-    cursor.execute(
-      "SELECT %s FROM %s%s"
-      % (
-        ", ".join(fields),
-        table,
-        " WHERE %s" % condition if where else "",
-      )
-    )
-    return cursor.fetchall()
+class TestTheiaWithSR(TheiaTestCase):
+  sr_url = 'bogus/software.cfg'
+  sr_type = 'bogus_type'
 
+  @classmethod
+  def getInstanceParameterDict(cls):
+    return {
+      'embedded-sr': cls.sr_url,
+      'embedded-sr-type': cls.sr_type,
+    }
+
+  def test(self):
+    slapos = self._getSlapos()
+    info = subprocess.check_output((slapos, 'proxy', 'show'))
+    instance_name = "Embedded Instance"
+
+    self.assertIsNotNone(re.search(r"%s\s+slaprunner\s+available" % (self.sr_url,), info), info)
+    self.assertIsNotNone(re.search(r"%s\s+%s\s+%s" % (self.sr_url, self.sr_type, instance_name), info), info)
 
-class TestTheiaWithSR(SlapOSInstanceTestCase):
-  __partition_reference__ = 'T' # for sockets in included slapos
 
-  srurl = 'bogus/software.cfg'
-  srtype = 'bogus'
+class TestTheiaEnv(TheiaTestCase):
+  dummy_software_path = os.path.abspath('dummy/software.cfg')
 
   @classmethod
   def getInstanceParameterDict(cls):
     return {
-      'embedded-sr': cls.srurl,
-      'embedded-sr-type': cls.srtype,
+      'embedded-sr': cls.dummy_software_path,
+      'autorun': 'stopped',
     }
 
-  def test(self):
-    db = SQLiteDB(os.path.join(self.computer_partition_root_path, 'srv', 'runner', 'var', 'proxy.db'))
-    supplied = db.select(
-      fields=["*"],
-      table = "software14",
-      where={'url': self.srurl}
-    )
-    self.assertEqual(len(supplied), 1)
-    requested = db.select(
-      fields=["*"],
-      table = "partition14",
-      where={'software_release': self.srurl, 'software_type': self.srtype}
-    )
-    self.assertEqual(len(requested), 1)
+  def test_theia_env(self):
+    # The path of the env.json file expected to be generated by building the dummy software release
+    env_json_path = os.path.join(self.computer_partition_root_path, 'srv', 'runner', 'software', 'env.json')
+
+    # Get the pid of the theia process from the test node's instance-supervisord
+    with self.slap.instance_supervisor_rpc as supervisor:
+      all_process_info = supervisor.getAllProcessInfo()
+      for p in all_process_info:
+        if p['name'].startswith('theia-instance'):
+          theia_process = p
+          break
+      else:
+        self.fail("Could not find theia process")
+    theia_pid = theia_process['pid']
+
+    # Get the environment of the theia process
+    theia_env = psutil.Process(theia_pid).environ()
+
+    # Start a theia shell that inherits the environment of the theia process
+    # This simulates the environment of a shell launched from the browser application
+    theia_shell_process = pexpect.spawnu('{}/bin/theia-shell'.format(self.computer_partition_root_path), env=theia_env)
+    theia_shell_process.expect_exact('Standalone SlapOS for computer `slaprunner` activated')
+
+    # Launch slapos node software from theia shell
+    theia_shell_process.sendline('slapos node software')
+    theia_shell_process.expect('Installing software release %s' % self.dummy_software_path)
+    theia_shell_process.expect('Finished software releases.')
+
+    # Get the theia shell environment
+    with open(env_json_path) as f:
+      theia_shell_env = json.load(f)
+
+    # Remove the env.json file to later be sure that a new one has been generated
+    os.remove(env_json_path)
+
+    # Launch slapos-node-software from the embedded supervisord
+    embedded_run_path = os.path.join(self.computer_partition_root_path, 'srv', 'runner', 'var', 'run')
+    embedded_supervisord_socket_path = _getSupervisordSocketPath(embedded_run_path, self.logger)
+    with getSupervisorRPC(embedded_supervisord_socket_path) as embedded_supervisor:
+      previous_stop_time = embedded_supervisor.getProcessInfo('slapos-node-software')['stop']
+      embedded_supervisor.startProcess('slapos-node-software')
+      for _retries in range(20):
+        time.sleep(1)
+        if embedded_supervisor.getProcessInfo('slapos-node-software')['stop'] != previous_stop_time:
+          break
+      else:
+        self.fail("the supervisord service 'slapos-node-software' takes too long to finish")
+
+    # Get the supervisord environment
+    with open(env_json_path) as f:
+      supervisord_env = json.load(f)
+
+    # Compare relevant variables from both environments
+    self.maxDiff = None
+    self.assertEqual(theia_shell_env['PATH'].split(':'), supervisord_env['PATH'].split(':'))
+    self.assertEqual(theia_shell_env['SLAPOS_CONFIGURATION'], supervisord_env['SLAPOS_CONFIGURATION'])
+    self.assertEqual(theia_shell_env['SLAPOS_CLIENT_CONFIGURATION'], supervisord_env['SLAPOS_CLIENT_CONFIGURATION'])
+    self.assertEqual(theia_shell_env['HOME'], supervisord_env['HOME'])
+
+    # Cleanup the theia shell process
+    theia_shell_process.terminate()
+    theia_shell_process.wait()