public async Task <IChangeSummary> AddOrUpdateOrganizationWebhooks(ShipHubContext context, IGitHubOrganizationAdmin admin)
{
var changes = ChangeSummary.Empty;
var hook = await context.Hooks.AsNoTracking().SingleOrDefaultAsync(x => x.OrganizationId == _orgId);
context.Database.Connection.Close();
// If our last operation on this repo hook resulted in error, delay.
if (hook?.LastError != null && hook?.LastError.Value > DateTimeOffset.UtcNow.Subtract(HookErrorDelay))
{
return(changes); // Wait to try later.
}
// There are now a few cases to handle
// If there is no record of a hook, try to make one.
// If there is an incomplete record, try to make it.
// If there is an errored record, sleep or retry
if (hook?.GitHubId == null)
{
// GitHub will immediately send a ping when the webhook is created.
// To avoid any chance for a race, add the Hook to the DB first, then
// create on GitHub.
HookTableType newHook = null;
if (hook == null)
{
newHook = await context.CreateHook(Guid.NewGuid(), string.Join(",", RequiredEvents), organizationId : _orgId);
}
else
{
newHook = new HookTableType()
{
Id = hook.Id,
Secret = hook.Secret,
Events = string.Join(",", RequiredEvents),
};
}
// Assume failure until we succeed
newHook.LastError = DateTimeOffset.UtcNow;
try {
var hookList = await admin.OrganizationWebhooks(_login);
if (!hookList.IsOk)
{
this.Info($"Unable to list hooks for {_login}. {hookList.Status} {hookList.Error}");
return(changes);
}
var existingHooks = hookList.Result
.Where(x => x.Name.Equals("web"))
.Where(x => x.Config.Url.StartsWith($"https://{_apiHostName}/", StringComparison.OrdinalIgnoreCase));
// Delete any existing hooks that already point back to us - don't
// want to risk adding multiple Ship hooks.
foreach (var existingHook in existingHooks)
{
var deleteResponse = await admin.DeleteOrganizationWebhook(_login, existingHook.Id);
if (!deleteResponse.Succeeded)
{
this.Info($"Failed to delete existing hook ({existingHook.Id}) for org '{_login}' {deleteResponse.Status} {deleteResponse.Error}");
}
}
var addHookResponse = await admin.AddOrganizationWebhook(
_login,
new gh.Webhook()
{
Name = "web",
Active = true,
Events = RequiredEvents,
Config = new gh.WebhookConfiguration()
{
Url = $"https://{_apiHostName}/webhook/org/{_orgId}",
ContentType = "json",
Secret = newHook.Secret.ToString(),
},
});
if (addHookResponse.Succeeded)
{
newHook.GitHubId = addHookResponse.Result.Id;
newHook.LastError = null;
changes = await context.BulkUpdateHooks(hooks : new[] { newHook });
}
else
{
this.Error($"Failed to add hook for org '{_login}' ({_orgId}): {addHookResponse.Status} {addHookResponse.Error}");
}
} catch (Exception e) {
e.Report($"Failed to add hook for org '{_login}' ({_orgId})");
// Save LastError
await context.BulkUpdateHooks(hooks : new[] { newHook });
}
}
else if (!RequiredEvents.SetEquals(hook.Events.Split(',')))
{
var editHook = new HookTableType()
{
Id = hook.Id,
GitHubId = hook.GitHubId,
Secret = hook.Secret,
Events = hook.Events,
LastError = DateTimeOffset.UtcNow, // Default to faulted.
};
try {
this.Info($"Updating webhook {_login}/{hook.GitHubId} from [{hook.Events}] to [{string.Join(",", RequiredEvents)}]");
var editResponse = await admin.EditOrganizationWebhookEvents(_login, (long)hook.GitHubId, RequiredEvents);
if (editResponse.Succeeded)
{
editHook.LastError = null;
editHook.GitHubId = editResponse.Result.Id;
editHook.Events = string.Join(",", editResponse.Result.Events);
await context.BulkUpdateHooks(hooks : new[] { editHook });
}
else if (editResponse.Status == HttpStatusCode.NotFound)
{
// Our record is out of date.
this.Info($"Failed to edit hook for org '{_login}'. Deleting our hook record. {editResponse.Status} {editResponse.Error}");
changes = await context.BulkUpdateHooks(deleted : new[] { editHook.Id });
}
else
{
throw new Exception($"Failed to edit hook for org '{_login}': {editResponse.Status} {editResponse.Error}");
}
} catch (Exception e) {
e.Report();
// Save LastError
await context.BulkUpdateHooks(hooks : new[] { editHook });
}
}
return(changes);
}