[MM-31094] Replication Lag (#16888)

* MM-31094: Adds tooling to develop and test using a MySQL instance with replication lag. Adds some lazy lookups to fallback to master if results are not found.

* MM-31094: Removes mysql-read-replica from default docker services.

* MM-31094: Switches (store..SessionStore).Get and (store.TeamStore).GetMember to using context.Context.

* MM-31094: Updates (store.UsersStore).Get to use context.

* MM-31094: Updates (store.PostStore).Get to use context.

* MM-31094: Removes feature flag and config setting.

* MM-31094: Rolls back some master reads.

* MM-31094: Rolls a non-cache read.

* MM-31094: Removes feature flag from the store.

* MM-31094: Removes unused constant and struct field.

* MM-31094: Removes some old feature flag references.

* MM-31094: Fixes some tests.

* MM-31094: App layers fix.

* MM-31094: Fixes mocks.

* MM-31094: Don't reparse flag.

* MM-31094: No reparse.

* MM-31094: Removed unused FeatureFlags field.

* MM-31094: Removes unnecessary feature flags variable declarations.

* MM-31094: Fixes copy-paste error.

* MM-31094: Fixes logical error.

* MM-30194: Removes test method from store.

* Revert "MM-30194: Removes test method from store."

This reverts commit d5a6e8529bd5f4d993824c828e239d009b05e567.

* MM-31094: Conforming to make's strange syntax.

* MM-31094: Configures helper for read replica with option.

* MM-31094: Adds some missing ctx's.

* MM-31094: WIP

* MM-31094: Updates test names.

* MM-31094: WIP

* MM-31094: Removes unnecessary master reads.

* MM-31094: ID case changes out of scope.

* MM-31094: Removes unused context.

* MM-31094: Switches to a helper. Removes some var naming changes. Fixes a merge error.

* MM-31094: Removes SQLITE db driver ref.

* MM-31094: Layer generate fix.

* MM-31094: Removes unnecessary changes.

* MM-31094: Moves test method.

* MM-31094: Re-add previous fix.

* MM-31094: Removes make command for dev.

* MM-31094: Fix for login.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

store/store.go

@@ -97,7 +97,7 @@ type TeamStore interface {
 	SaveMember(member *model.TeamMember, maxUsersPerTeam int) (*model.TeamMember, error)
 	UpdateMember(member *model.TeamMember) (*model.TeamMember, error)
 	UpdateMultipleMembers(members []*model.TeamMember) ([]*model.TeamMember, error)
-	GetMember(teamID string, userId string) (*model.TeamMember, error)
+	GetMember(ctx context.Context, teamID string, userId string) (*model.TeamMember, error)
 	GetMembers(teamID string, offset int, limit int, teamMembersGetOptions *model.TeamMembersGetOptions) ([]*model.TeamMember, error)
 	GetMembersByIds(teamID string, userIds []string, restrictions *model.ViewUsersRestrictions) ([]*model.TeamMember, error)
 	GetTotalMemberCount(teamID string, restrictions *model.ViewUsersRestrictions) (int64, error)
@@ -274,7 +274,7 @@ type PostStore interface {
 	SaveMultiple(posts []*model.Post) ([]*model.Post, int, error)
 	Save(post *model.Post) (*model.Post, error)
 	Update(newPost *model.Post, oldPost *model.Post) (*model.Post, error)
-	Get(id string, skipFetchThreads, collapsedThreads, collapsedThreadsExtended bool) (*model.PostList, error)
+	Get(ctx context.Context, id string, skipFetchThreads, collapsedThreads, collapsedThreadsExtended bool) (*model.PostList, error)
 	GetSingle(id string) (*model.Post, error)
 	Delete(postID string, time int64, deleteByID string) error
 	PermanentDeleteByUser(userId string) error
@@ -393,7 +393,7 @@ type BotStore interface {
 }
 
 type SessionStore interface {
-	Get(sessionIDOrToken string) (*model.Session, error)
+	Get(ctx context.Context, sessionIDOrToken string) (*model.Session, error)
 	Save(session *model.Session) (*model.Session, error)
 	GetSessions(userId string) ([]*model.Session, error)
 	GetSessionsWithActiveDeviceIds(userId string) ([]*model.Session, error)