create a podman container with fifo named pipe as log file

podman-create-container-via-api.sh

#!/bin/sh
# create a podman container with fifo named pipe as log file
# for demonstrate issue https://github.com/containers/podman/issues/13081

CTR_NAME="redis-demo"

function print_title() {
    title=$1
    echo ""
    echo "|=================== $title ===================>>>"
    echo ""
}

print_title "remove container first, name=$CTR_NAME"
sudo podman rm -f $CTR_NAME

sudo test -d /var/lib/containers/ || sudo mkdir -p /var/lib/containers/

sudo rm /var/lib/containers/redis-demo.fifo

sudo mkfifo /var/lib/containers/redis-demo.fifo

sudo ls -lh /var/lib/containers/redis-demo.fifo

print_title "begin POST /v1.0.0/libpod/containers/create"

PODMAN_API_CALL='sudo curl --max-time 60 -sSf --unix-socket /run/podman/podman.sock'

CTR_ID=$($PODMAN_API_CALL -X POST http://d/v1.0.0/libpod/containers/create -H 'Content-Type: application/json' -d '{ "name": "redis-demo", "log_configuration": { "driver": "k8s-file", "path": "/var/lib/containers/redis-demo.fifo" }, "env": { "foo": "bar" }, "pidns": {}, "utsns": {}, "image": "redis:6.2.6", "mounts": [], "ipcns": {}, "netns": {}, "portmappings": [], "dns_server": [ "8.8.8.8" ], "resource_limits": { "memory": { "limit": 314572800 }, "cpu": { "shares": 100 } }, "cgroupns": {} }' | jq -r '.Id')

if [[ "x$CTR_ID" = "x" ]]; then
    echo "failed to create container"
    exit -1
else
    echo "container created, id=$CTR_ID"
    sudo podman inspect $CTR_NAME
fi

podman-start-container-via-api.sh

#!/bin/sh
# try start a podman container which been created with fifo named pipe as log file
# for demonstrate issue https://github.com/containers/podman/issues/13081

CTR_NAME="redis-demo"

function print_title() {
    title=$1
    now_date=$(date '+%Y-%m-%d %T')
    echo ""
    echo ""
    echo "$now_date |=================== $title ===================>>>"
    echo ""
}

function podman_api_call() {
    method=$1
    api=$2
    verbose=${3:-true}
    data=${4:-"{}"}
    curl_param="-sSf"
    if [[ $verbose = "true" ]]; then
        curl_param="-D -"
    fi
    data_param=''
    if [[ "$method" = "POST" ]] && [[ "$data" != "{}" ]]; then
        data_param="-H 'Content-Type: application/json' -d $data"
    fi
    print_title "begin $method $api $data_param"
    sudo curl --max-time 60 $curl_param --unix-socket /run/podman/podman.sock -X $method http://d$api $data_param
}


CTR_ID=$(sudo podman inspect --format "{{.Id}}" redis-demo)
if [[ "x$CTR_ID" = "x" ]]; then
    echo "failed to find container id by name"
    exit -1
else
    echo "exists container found, id=$CTR_ID"
fi

#podman_api_call DELETE /v1.0.0/libpod/containers/$CTR_NAME?force=true&v=true

podman_api_call POST /v1.0.0/libpod/containers/$CTR_ID/start

if [[ $? -ne 0 ]]; then
    echo "start container failed, timeout is 60s"
    echo "now there is one conmon process got stuck forever..."
    ps aux | grep -i conmon | grep -i $CTR_ID
    exit $?
fi

podman_api_call POST "/v1.0.0/libpod/containers/$CTR_ID/wait?condition=running&condition=exited"

podman_api_call GET /v1.0.0/libpod/containers/$CTR_ID/json

podman_api_call GET "/v1.0.0/libpod/containers/$CTR_ID/stats?stream=false"

print_title "check container status"
sudo podman ps | grep $CTR_NAME