k8s.io/test-infra@v0.0.0-20240520184403-27c6b4c223d8/experiment/dump_kind_coverage.sh (about)

     1  #!/usr/bin/env bash
     2  # Copyright 2018 The Kubernetes Authors.
     3  #
     4  # Licensed under the Apache License, Version 2.0 (the "License");
     5  # you may not use this file except in compliance with the License.
     6  # You may obtain a copy of the License at
     7  #
     8  #     http://www.apache.org/licenses/LICENSE-2.0
     9  #
    10  # Unless required by applicable law or agreed to in writing, software
    11  # distributed under the License is distributed on an "AS IS" BASIS,
    12  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  # See the License for the specific language governing permissions and
    14  # limitations under the License.
    15  
    16  # Dump coverage files from a kind node.
    17  # Usage: dump_kind_coverage.sh [cluster] [destination]
    18  
    19  # Executes a command inside the node running the kind cluster named ${cluster}.
    20  exec_in_node() {
    21     docker exec $(docker ps -f name=kind-${cluster}-control-plane --format '{{.ID}}') "$@"
    22  }
    23  
    24  # Executes a command in container $1 in the kind cluster named ${cluster}
    25  exec_in_container() {
    26    local container="$1"
    27    shift
    28    exec_in_node bash -c "docker exec \"\$(docker ps -f label=io.kubernetes.container.name=${container} --format '{{.ID}}')\" $*"
    29  }
    30  
    31  # Produces the coverage log for service $1 in the kind cluster named ${cluster}
    32  get_container_log() {
    33    local service="$1"
    34    exec_in_container "${service}" cat "/tmp/k8s-${service}.cov"
    35  }
    36  
    37  # Dumps logs from the cluster named $1 to $2.
    38  dump_logs() {
    39    local cluster="$1"
    40    local destination="$2"
    41    get_container_log "kube-apiserver" > "${destination}/kube-apiserver.cov"
    42    get_container_log "kube-scheduler" > "${destination}/kube-scheduler.cov"
    43    get_container_log "kube-controller-manager" > "${destination}/kube-controller-manager.cov"
    44    get_container_log "kube-proxy" > "${destination}/kube-proxy.cov"
    45    exec_in_node cat /tmp/k8s-kubelet.cov > "${destination}/kubelet.cov"
    46  }
    47  
    48  dump_logs "$@"