supervisor: Add-ons missing - Official and 3rd party

Describe the issue you are experiencing

Addons from the official store and from 3rd parties hosted on github.com disappeared. This occurs under 5.11, 5.12 and now 6.x. This was a clean install around 3 months ago on a RP4. Supervisor complains it can find guthub.com. Dropping to the CLI and doing an nslookup or ping of github.com fails. Other random sites seem to complete successfully. Added static entries to the docker container via CLI, name resolution then succeeds. Still can’t add official store or 3rd part stores, supervisor still complains. A complete system shutdown and restart of the OS occasionally brings back official store. Official store will occasionally come back but then disappear again after 24 ~48 hours. Upgraded to OS 6.x and so far official store has stayed visible for over 24 hours but still can’t add 3rd part stores back.

What is the used version of the Supervisor?

supervisor-2021.06.0

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

What is the version of your installed operating system?

Home Assistant OS 6.0

What version of Home Assistant Core is installed?

core-2021.6.3

Steps to reproduce the issue

1. Open Add-Ons panel is HA. Wait for store to disappear.

Anything in the Supervisor logs that might be useful for us?

Same issue noted here - but bug was closed before resolution - https://github.com/home-assistant/supervisor/issues/2774

Problem still exists after update to OS 6.0 - Official add-ons are present for now, other add-ons still missing and can not be added - ex: adding https://github.com/home-assistant/addons results in log file below

21-06-11 20:43:55 INFO (MainThread) [supervisor.core] Start Home Assistant Core
21-06-11 20:43:55 INFO (SyncWorker_5) [supervisor.docker.interface] Starting homeassistant
21-06-11 20:43:56 INFO (MainThread) [supervisor.homeassistant.core] Wait until Home Assistant is ready
21-06-11 20:44:12 INFO (MainThread) [supervisor.resolution.evaluate] Starting system evaluation with state CoreState.STARTUP
21-06-11 20:44:12 INFO (MainThread) [supervisor.resolution.evaluate] System evaluation complete
21-06-11 20:44:17 INFO (MainThread) [supervisor.homeassistant.api] Updated Home Assistant API token
21-06-11 20:44:35 INFO (MainThread) [supervisor.homeassistant.core] Detect a running Home Assistant instance
21-06-11 20:44:35 INFO (MainThread) [supervisor.addons] Phase 'AddonStartup.APPLICATION' starting 2 add-ons
21-06-11 20:44:37 INFO (SyncWorker_5) [supervisor.docker.addon] Starting Docker add-on homeassistant/aarch64-addon-almond with version 1.1.2
21-06-11 20:44:39 INFO (SyncWorker_1) [supervisor.docker.addon] Starting Docker add-on homeassistant/aarch64-addon-configurator with version 5.3.1
21-06-11 20:44:44 INFO (MainThread) [supervisor.misc.tasks] All core tasks are scheduled
21-06-11 20:44:44 INFO (MainThread) [supervisor.core] Supervisor is up and running
21-06-11 20:44:44 INFO (MainThread) [supervisor.host.info] Updating local host information
21-06-11 20:44:44 INFO (MainThread) [supervisor.updater] Fetching update data from https://version.home-assistant.io/stable.json
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.check] Starting system checks with state CoreState.RUNNING
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.SECURITY/ContextType.CORE
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.PWNED/ContextType.ADDON
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.FREE_SPACE/ContextType.SYSTEM
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.check] System checks complete
21-06-11 20:44:44 INFO (MainThread) [supervisor.resolution.evaluate] Starting system evaluation with state CoreState.RUNNING
21-06-11 20:44:45 INFO (MainThread) [supervisor.host.services] Updating service information
21-06-11 20:44:45 INFO (MainThread) [supervisor.host.network] Updating local network information
21-06-11 20:44:49 INFO (MainThread) [supervisor.api.proxy] Home Assistant WebSocket API request initialize
21-06-11 20:44:49 INFO (MainThread) [supervisor.api.proxy] WebSocket access from core_almond
21-06-11 20:44:49 INFO (MainThread) [supervisor.api.proxy] Home Assistant WebSocket API request running
21-06-11 20:44:49 INFO (MainThread) [supervisor.host.sound] Updating PulseAudio information
21-06-11 20:44:49 INFO (MainThread) [supervisor.host] Host information reload completed
21-06-11 20:44:50 INFO (MainThread) [supervisor.resolution.evaluate] System evaluation complete
21-06-11 20:44:50 INFO (MainThread) [supervisor.resolution.fixup] Starting system autofix at state CoreState.RUNNING
21-06-11 20:44:50 INFO (MainThread) [supervisor.resolution.fixup] System autofix complete
21-06-11 20:45:44 INFO (MainThread) [supervisor.snapshots] Found 9 snapshot files
21-06-11 20:45:44 INFO (MainThread) [supervisor.snapshots] Found 9 snapshot files
21-06-11 20:46:30 INFO (MainThread) [supervisor.store.git] Cloning add-on https://github.com/home-assistant/addons repository
21-06-11 20:46:36 ERROR (MainThread) [supervisor.store.git] Can't clone https://github.com/home-assistant/addons repository: Cmd('git') failed due to: exit code(128)
  cmdline: git clone -v --recursive --depth=1 --shallow-submodules https://github.com/home-assistant/addons /data/addons/git/96a017aa
  stderr: 'Cloning into '/data/addons/git/96a017aa'...
fatal: unable to access 'https://github.com/home-assistant/addons/': Could not resolve host: github.com
'.
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.module] Create new issue IssueType.FATAL_ERROR - ContextType.STORE / 96a017aa
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.module] Create new suggestion SuggestionType.EXECUTE_REMOVE - ContextType.STORE / 96a017aa
21-06-11 20:46:36 ERROR (MainThread) [supervisor.store] Can't load data from repository https://github.com/home-assistant/addons
21-06-11 20:46:36 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.fixups.store_execute_remove] Remove invalid Store: 96a017aa
21-06-11 20:46:36 INFO (MainThread) [supervisor.store.git] Removing custom add-on repository https://github.com/home-assistant/addons
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.check] Starting system checks with state CoreState.RUNNING
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.SECURITY/ContextType.CORE
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.PWNED/ContextType.ADDON
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.FREE_SPACE/ContextType.SYSTEM
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.check] System checks complete
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.evaluate] Starting system evaluation with state CoreState.RUNNING
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.evaluate] System evaluation complete
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.fixup] Starting system autofix at state CoreState.RUNNING
21-06-11 20:46:36 INFO (MainThread) [supervisor.resolution.fixup] System autofix complete


Can't ping github.com or www.github.com
![image](https://user-images.githubusercontent.com/51183445/121781771-4b020300-cb74-11eb-96d6-c9fedbeb7309.png)

Manually added entries fixes name resolution issue
![image](https://user-images.githubusercontent.com/51183445/121781697-0a09ee80-cb74-11eb-9a7d-b8bff40015fc.png)

![image](https://user-images.githubusercontent.com/51183445/121781710-15f5b080-cb74-11eb-9f01-a7ec28e4af59.png)

Same ping / lookup to google.com works just find with no entries added:
![image](https://user-images.githubusercontent.com/51183445/121781722-1e4deb80-cb74-11eb-9609-0065e6f90dae.png)

Trying to add repo after still fails but doesn't show in logs.  Refresh repos shows:
21-06-11 21:01:35 INFO (MainThread) [supervisor.store.git] Update add-on https://github.com/home-assistant/addons repository
21-06-11 21:01:40 ERROR (MainThread) [supervisor.store.git] Can't update https://github.com/home-assistant/addons repo: Cmd('git') failed due to: exit code(128)
  cmdline: git fetch -v --update-shallow --depth=1 origin
  stderr: 'fatal: unable to access 'https://github.com/home-assistant/addons/': Could not resolve host: github.com'.
21-06-11 21:01:40 INFO (MainThread) [supervisor.resolution.module] Create new issue IssueType.CORRUPT_REPOSITORY - ContextType.STORE / core
21-06-11 21:01:40 INFO (MainThread) [supervisor.resolution.module] Create new suggestion SuggestionType.EXECUTE_RESET - ContextType.STORE / core
21-06-11 21:01:40 ERROR (MainThread) [asyncio] Task exception was never retrieved
future: <Task finished name='Task-1871' coro=<Repository.update() done, defined at /usr/src/supervisor/supervisor/store/repository.py:106> exception=StoreGitError()>
Traceback (most recent call last):
  File "/usr/src/supervisor/supervisor/store/git.py", line 155, in pull
    await self.sys_run_in_executor(
  File "/usr/local/lib/python3.9/concurrent/futures/thread.py", line 52, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.9/site-packages/git/remote.py", line 828, in fetch
    res = self._get_fetch_info_from_stderr(proc, progress)
  File "/usr/local/lib/python3.9/site-packages/git/remote.py", line 702, in _get_fetch_info_from_stderr
    proc.wait(stderr=stderr_text)
  File "/usr/local/lib/python3.9/site-packages/git/cmd.py", line 450, in wait
    raise GitCommandError(remove_password_if_present(self.args), status, errstr)
git.exc.GitCommandError: Cmd('git') failed due to: exit code(128)
  cmdline: git fetch -v --update-shallow --depth=1 origin
  stderr: 'fatal: unable to access 'https://github.com/home-assistant/addons/': Could not resolve host: github.com'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/usr/src/supervisor/supervisor/store/repository.py", line 110, in update
    await self.git.pull()
  File "/usr/src/supervisor/supervisor/jobs/decorator.py", line 107, in wrapper
    raise err
  File "/usr/src/supervisor/supervisor/jobs/decorator.py", line 105, in wrapper
    return await self._method(*args, **kwargs)
  File "/usr/src/supervisor/supervisor/store/git.py", line 195, in pull
    raise StoreGitError() from err
supervisor.exceptions.StoreGitError
21-06-11 21:01:40 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-11 21:01:40 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-11 21:04:53 INFO (MainThread) [supervisor.store.git] Cloning add-on https://github.com/home-assistant/addons repository
21-06-11 21:04:57 ERROR (MainThread) [supervisor.store] https://github.com/home-assistant/addons is not a valid add-on repository
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.module] Create new issue IssueType.CORRUPT_REPOSITORY - ContextType.STORE / 96a017aa
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.module] Create new suggestion SuggestionType.EXECUTE_REMOVE - ContextType.STORE / 96a017aa
21-06-11 21:04:57 WARNING (MainThread) [supervisor.store.data] No repository information exists at /data/addons/git/96a017aa
21-06-11 21:04:57 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.fixups.store_execute_remove] Remove invalid Store: 96a017aa
21-06-11 21:04:57 INFO (MainThread) [supervisor.store.git] Removing custom add-on repository https://github.com/home-assistant/addons
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.check] Starting system checks with state CoreState.RUNNING
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.SECURITY/ContextType.CORE
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.PWNED/ContextType.ADDON
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.FREE_SPACE/ContextType.SYSTEM
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.check] System checks complete
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.evaluate] Starting system evaluation with state CoreState.RUNNING
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.evaluate] System evaluation complete
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.fixup] Starting system autofix at state CoreState.RUNNING
21-06-11 21:04:57 INFO (MainThread) [supervisor.resolution.fixups.store_execute_reset] Reset corrupt Store: core
21-06-11 21:04:57 INFO (MainThread) [supervisor.store.git] Cloning add-on https://github.com/home-assistant/addons repository
21-06-11 21:04:58 INFO (MainThread) [supervisor.resolution.fixup] System autofix complete

_Originally posted by @jspanitz in https://github.com/home-assistant/supervisor/issues/2774#issuecomment-859904586_

And hourly it in my sup log:

21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.check] Starting system checks with state CoreState.RUNNING
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.SECURITY/ContextType.CORE
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.PWNED/ContextType.ADDON
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.checks.base] Run check for IssueType.FREE_SPACE/ContextType.SYSTEM
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.check] System checks complete
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.evaluate] Starting system evaluation with state CoreState.RUNNING
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.evaluate] System evaluation complete
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.fixup] Starting system autofix at state CoreState.RUNNING
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.fixups.store_execute_remove] Remove invalid Store: core
21-06-12 14:44:34 ERROR (MainThread) [supervisor.store.repository] Can't remove built-in repositories!
21-06-12 14:44:34 INFO (MainThread) [supervisor.resolution.fixup] System autofix complete
21-06-12 14:44:34 INFO (MainThread) [supervisor.homeassistant.api] Updated Home Assistant API token
21-06-12 14:44:47 INFO (MainThread) [supervisor.updater] Fetching update data from https://version.home-assistant.io/stable.json
21-06-12 14:45:00 INFO (MainThread) [supervisor.store.git] Update add-on https://github.com/home-assistant/addons repository
21-06-12 14:45:04 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-12 14:45:04 INFO (MainThread) [supervisor.store] Loading add-ons from store: 23 all - 0 new - 0 remove
21-06-12 15:30:19 INFO (MainThread) [supervisor.snapshots] Found 7 snapshot files
21-06-12 15:30:19 INFO (MainThread) [supervisor.snapshots] Found 7 snapshot files

Additional information

No response