79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package database
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import (
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"time"
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"github.com/pkg/errors"
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log "github.com/sirupsen/logrus"
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"github.com/crowdsecurity/crowdsec/pkg/database/ent"
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"github.com/crowdsecurity/crowdsec/pkg/database/ent/lock"
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"github.com/crowdsecurity/crowdsec/pkg/types"
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)
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const (
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CAPIPullLockTimeout = 10
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CapiPullLockName = "pullCAPI"
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)
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func (c *Client) AcquireLock(name string) error {
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log.Debugf("acquiring lock %s", name)
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_, err := c.Ent.Lock.Create().
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SetName(name).
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SetCreatedAt(types.UtcNow()).
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Save(c.CTX)
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if ent.IsConstraintError(err) {
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return err
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}
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if err != nil {
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return errors.Wrapf(InsertFail, "insert lock: %s", err)
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}
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return nil
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}
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func (c *Client) ReleaseLock(name string) error {
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log.Debugf("releasing lock %s", name)
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_, err := c.Ent.Lock.Delete().Where(lock.NameEQ(name)).Exec(c.CTX)
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if err != nil {
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return errors.Wrapf(DeleteFail, "delete lock: %s", err)
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}
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return nil
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}
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func (c *Client) ReleaseLockWithTimeout(name string, timeout int) error {
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log.Debugf("releasing lock %s with timeout of %d minutes", name, timeout)
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_, err := c.Ent.Lock.Delete().Where(
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lock.NameEQ(name),
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lock.CreatedAtLT(time.Now().UTC().Add(-time.Duration(timeout)*time.Minute)),
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).Exec(c.CTX)
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if err != nil {
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return errors.Wrapf(DeleteFail, "delete lock: %s", err)
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}
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return nil
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}
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func (c *Client) IsLocked(err error) bool {
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return ent.IsConstraintError(err)
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}
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func (c *Client) AcquirePullCAPILock() error {
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/*delete orphan "old" lock if present*/
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err := c.ReleaseLockWithTimeout(CapiPullLockName, CAPIPullLockTimeout)
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if err != nil {
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log.Errorf("unable to release pullCAPI lock: %s", err)
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}
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return c.AcquireLock(CapiPullLockName)
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}
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func (c *Client) ReleasePullCAPILock() error {
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log.Debugf("deleting lock %s", CapiPullLockName)
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_, err := c.Ent.Lock.Delete().Where(
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lock.NameEQ(CapiPullLockName),
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).Exec(c.CTX)
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if err != nil {
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return errors.Wrapf(DeleteFail, "delete lock: %s", err)
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}
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return nil
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}
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