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Add initial telemetry code, system_settings table and the task scheduler
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved. | ||
| // See LICENSE.txt for license information. | ||
|
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| package scheduler | ||
|
|
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| import ( | ||
| "fmt" | ||
| "time" | ||
| ) | ||
|
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| type TaskFunc func() | ||
|
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| type ScheduledTask struct { | ||
| Name string `json:"name"` | ||
| Interval time.Duration `json:"interval"` | ||
| Recurring bool `json:"recurring"` | ||
| function func() | ||
| cancel chan struct{} | ||
| cancelled chan struct{} | ||
| } | ||
|
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| func CreateTask(name string, function TaskFunc, timeToExecution time.Duration) *ScheduledTask { | ||
| return createTask(name, function, timeToExecution, false) | ||
| } | ||
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| func CreateRecurringTask(name string, function TaskFunc, interval time.Duration) *ScheduledTask { | ||
| return createTask(name, function, interval, true) | ||
| } | ||
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| func createTask(name string, function TaskFunc, interval time.Duration, recurring bool) *ScheduledTask { | ||
| task := &ScheduledTask{ | ||
| Name: name, | ||
| Interval: interval, | ||
| Recurring: recurring, | ||
| function: function, | ||
| cancel: make(chan struct{}), | ||
| cancelled: make(chan struct{}), | ||
| } | ||
|
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| go func() { | ||
| defer close(task.cancelled) | ||
|
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| ticker := time.NewTicker(interval) | ||
| defer func() { | ||
| ticker.Stop() | ||
| }() | ||
|
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| for { | ||
| select { | ||
| case <-ticker.C: | ||
| function() | ||
| case <-task.cancel: | ||
| return | ||
| } | ||
|
|
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| if !task.Recurring { | ||
| break | ||
| } | ||
| } | ||
| }() | ||
|
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| return task | ||
| } | ||
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| func (task *ScheduledTask) Cancel() { | ||
| close(task.cancel) | ||
| <-task.cancelled | ||
| } | ||
|
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| func (task *ScheduledTask) String() string { | ||
| return fmt.Sprintf( | ||
| "%s\nInterval: %s\nRecurring: %t\n", | ||
| task.Name, | ||
| task.Interval.String(), | ||
| task.Recurring, | ||
| ) | ||
| } |
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1 change: 1 addition & 0 deletions
1
...r/services/store/sqlstore/migrations/postgres_files/000002_system_settings_table.down.sql
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| DROP TABLE system_settings; |
5 changes: 5 additions & 0 deletions
5
server/services/store/sqlstore/migrations/postgres_files/000002_system_settings_table.up.sql
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| CREATE TABLE IF NOT EXISTS system_settings ( | ||
| id VARCHAR(100), | ||
| value TEXT, | ||
| PRIMARY KEY (id) | ||
| ); |
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