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8153c2e2a9
Instead of passing around a struct, it is better if we pass around an interface that describes the behavior we want. The Runtime interface provides a common place to describe runtime specific parameters. This initial implementation offers the runtime mode, the platform specifics, and the config. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package sysctls
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import (
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"github.com/hashicorp/go-multierror"
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"github.com/pkg/errors"
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"github.com/talos-systems/talos/internal/app/machined/internal/phase"
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"github.com/talos-systems/talos/internal/pkg/runtime"
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"github.com/talos-systems/talos/pkg/sysctl"
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)
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// Task represents the Task task.
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type Task struct{}
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// NewSysctlsTask initializes and returns a Task task.
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func NewSysctlsTask() phase.Task {
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return &Task{}
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}
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// TaskFunc returns the runtime function.
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func (task *Task) TaskFunc(mode runtime.Mode) phase.TaskFunc {
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return task.runtime
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}
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func (task *Task) runtime(r runtime.Runtime) error {
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var multiErr *multierror.Error
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if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "net.ipv4.ip_forward", Value: "1"}); err != nil {
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multiErr = multierror.Append(multiErr, errors.Wrapf(err, "failed to set IPv4 forwarding"))
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}
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if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "net.ipv6.conf.default.forwarding", Value: "1"}); err != nil {
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multiErr = multierror.Append(multiErr, errors.Wrap(err, "failed to set IPv6 forwarding"))
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}
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if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "kernel.pid_max", Value: "262144"}); err != nil {
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multiErr = multierror.Append(multiErr, errors.Wrap(err, "failed to set pid_max"))
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}
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return multiErr.ErrorOrNil()
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}
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