airshipctl/roles/describe-kubernetes-objects/tasks/save-context-objects.yaml
Andrii Ostapenko cd1ca0b787
Fix describe-kubernetes-objects role
According to [0] kubectl get all -A does not include all types (e.g.
configmaps) and is going to be deprecated. Instead of getting all
objects with one kubectl request, doing the same for each object type
separately.

[0] https://github.com/kubernetes/kubectl/issues/151

Change-Id: I624e785b95e0c5697a567251b42855545d771179
Signed-off-by: Andrii Ostapenko <andrii.ostapenko@att.com>
2020-10-24 13:15:06 -05:00

113 lines
4.5 KiB
YAML

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---
- name: "creating directory for cluster scoped objects"
file:
path: "{{ logs_dir }}/objects/{{ kctl_context }}/cluster"
state: directory
- name: "Gathering descriptions for cluster scoped objects"
shell: |-
set -e
export KUBECONFIG="{{ kubeconfig }}"
export CONTEXT={{ kctl_context | default("dummy_cluster") }}
kubectl config use-context ${CONTEXT}
export OBJECT_TYPE="{{ collect_clustered_objects | join(',') }}"
export PARALLELISM_FACTOR=2
function list_objects () {
printf ${OBJECT_TYPE} | xargs -d ',' -I {} -P1 -n1 bash -c 'echo "$@"' _ {}
}
export -f list_objects
function name_objects () {
export OBJECT=$1
kubectl get ${OBJECT} -o name | xargs -L1 -I {} -P1 -n1 bash -c 'echo "${OBJECT} ${1#*/}"' _ {}
}
export -f name_objects
function get_objects () {
input=($1)
export OBJECT=${input[0]}
export NAME=${input[1]#*/}
echo "${OBJECT}/${NAME}"
DIR="{{ logs_dir }}/objects/${CONTEXT}/cluster/${OBJECT}"
mkdir -p ${DIR}
kubectl get ${OBJECT} ${NAME} -o yaml > "${DIR}/${NAME}.yaml"
kubectl describe ${OBJECT} ${NAME} > "${DIR}/${NAME}.txt"
}
export -f get_objects
list_objects | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'name_objects "$@"' _ {} | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'get_objects "$@"' _ {}
args:
executable: /bin/bash
ignore_errors: True
- name: "creating directory for namespace scoped objects"
file:
path: "{{ logs_dir }}/objects/{{ kctl_context }}/namespaced"
state: directory
- name: "Gathering descriptions for namespace scoped objects"
shell: |-
set -e
export KUBECONFIG="{{ kubeconfig }}"
export CONTEXT={{ kctl_context | default("dummy_cluster") }}
kubectl config use-context ${CONTEXT}
export OBJECT_TYPE="{{ collect_namespaced_objects | join(',') }}"
export TMP_DIR=$(mktemp -d)
export PARALLELISM_FACTOR=2
printf ${OBJECT_TYPE} | xargs -d ',' -I {} -P ${PARALLELISM_FACTOR} -n1 bash -c 'kubectl get -A -oyaml "$@" > ${TMP_DIR}/"$@".yaml' _ {}
function get_namespaces () {
kubectl get namespaces -o name | awk -F '/' '{ print $NF }'
}
function list_namespaced_objects () {
export NAMESPACE=$1
printf ${OBJECT_TYPE} | xargs -d ',' -I {} -P1 -n1 bash -c 'echo "${NAMESPACE} $@"' _ {}
}
export -f list_namespaced_objects
function name_objects () {
input=($1)
export NAMESPACE=${input[0]}
export OBJECT=${input[1]}
kubectl get -n ${NAMESPACE} ${OBJECT} -o name | xargs -L1 -I {} -P1 -n1 bash -c 'echo "${NAMESPACE} ${OBJECT} $@"' _ {}
}
export -f name_objects
function get_objects () {
input=($1)
export NAMESPACE=${input[0]}
export OBJECT=${input[1]}
export NAME=${input[2]#*/}
echo "${NAMESPACE}/${OBJECT}/${NAME}"
DIR="{{ logs_dir }}/objects/${CONTEXT}/namespaced/${NAMESPACE}/${OBJECT}"
mkdir -p ${DIR}
cat "${TMP_DIR}/${OBJECT}.yaml" | kustomize cfg grep "metadata.namespace=${NAMESPACE}" | kustomize cfg grep "metadata.name=${NAME}" > "${DIR}/${NAME}.yaml"
kubectl describe -n ${NAMESPACE} ${OBJECT} ${NAME} > "${DIR}/${NAME}.txt"
}
export -f get_objects
get_namespaces | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'list_namespaced_objects "$@"' _ {} | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'name_objects "$@"' _ {} | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'get_objects "$@"' _ {}
args:
executable: /bin/bash
ignore_errors: True
...