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A count above 0 in a running container's current run fires the existing app_oom line (source cgroup/docker in the details), whatever Docker's OOMKilled says. Old agent: 404 back-off; no agent: Docker's flag only. Tests TestR528_* red first / red-proved. Commit only.
32 lines
1.1 KiB
Go
32 lines
1.1 KiB
Go
package agentapi
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import (
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"context"
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"encoding/json"
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"fmt"
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)
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// GuestOOMKillsState mirrors the agent's GET /guest/oom-kills (R-528, agent ≥ the R-528 commit): the kernel's oom_kill
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// counter of each of THIS guest's containers, read on the host — Docker's own OOMKilled flag can stay false inside an
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// LXC guest. Containers maps the full 64-hex container id to the count for the container's current run.
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// Available=false: the guest has no cgroup folder the host can read. An agent that predates the route answers 404 (a
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// *StatusError) — the controller then keeps Docker's flag only.
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type GuestOOMKillsState struct {
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VMID int `json:"vmid"`
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Available bool `json:"available"`
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Containers map[string]int64 `json:"containers"`
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}
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// GuestOOMKills calls GET /guest/oom-kills.
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func (c *Client) GuestOOMKills(ctx context.Context) (GuestOOMKillsState, error) {
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var out GuestOOMKillsState
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body, err := c.get(ctx, "/guest/oom-kills")
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if err != nil {
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return out, err
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}
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if err := json.Unmarshal(body, &out); err != nil {
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return out, fmt.Errorf("agentapi: decode /guest/oom-kills: %w", err)
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}
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return out, nil
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}
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