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forwarder: Fix docs socket path

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Updated the trace forwarder README to ensure the real socket path is
created, not the template socket path returned by `kata-runtime env`.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
This commit is contained in:
James O. D. Hunt
2021-10-25 17:16:33 +01:00
parent d1d9e84e9f
commit e377578e08
1 changed files with 8 additions and 7 deletions
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15
src/trace-forwarder/README.md
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@@ -71,16 +71,16 @@ represents the real sandbox ID or name.
#### Configured hypervisor is Cloud Hypervisor #### Configured hypervisor is Cloud Hypervisor
```bash ```bash
$ socket_path=$(sudo kata-runtime env --json | jq '.Hypervisor.SocketPath') $ socket_path_template=$(sudo kata-runtime env --json | jq '.Hypervisor.SocketPath')
$ echo "$socket_path" $ echo "$socket_path_template"
"/run/vc/vm/{ID}/clh.sock" "/run/vc/vm/{ID}/clh.sock"
``` ```
#### Configured hypervisor is Firecracker #### Configured hypervisor is Firecracker
```bash ```bash
$ socket_path=$(sudo kata-runtime env --json | jq '.Hypervisor.SocketPath') $ socket_path_template=$(sudo kata-runtime env --json | jq '.Hypervisor.SocketPath')
$ echo "$socket_path" $ echo "$socket_path_template"
"/run/vc/firecracker/{ID}/root/kata.hvsock" "/run/vc/firecracker/{ID}/root/kata.hvsock"
``` ```
@@ -118,14 +118,15 @@ You will need to change the `sandbox_id` variable below to match the name of
the container (sandbox) you plan to create _after_ starting the trace the container (sandbox) you plan to create _after_ starting the trace
forwarder. forwarder.
The `socket_path` variable was set in the
[Cloud Hypervisor and Firecracker](#cloud-hypervisor-and-firecracker) section.
```bash ```bash
$ sandbox_id="foo" $ sandbox_id="foo"
$ socket_path=$(echo "$socket_path_template" | sed "s/{ID}/${sandbox_id}/g")
$ sudo mkdir -p $(dirname "$socket_path") $ sudo mkdir -p $(dirname "$socket_path")
``` ```
> **Note:** The `socket_path_template` variable was set in the
> [Cloud Hypervisor and Firecracker](#cloud-hypervisor-and-firecracker) section.
#### Run the forwarder specifying socket path #### Run the forwarder specifying socket path
```bash ```bash