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test-lib-openshift.sh
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# shellcheck disable=SC2148
if [ -z "${sourced_test_lib_openshift:-}" ]; then
sourced_test_lib_openshift=1
else
return 0
fi
# shellcheck shell=bash
# some functions are used from test-lib.sh, that is usually in the same dir
# shellcheck source=/dev/null
source "$(dirname "${BASH_SOURCE[0]}")"/test-lib.sh
# Set of functions for testing docker images in OpenShift using 'oc' command
# A variable containing the overall test result
# TESTSUITE_RESULT=0
# And the following trap must be set, in the beginning of the test script:
# trap ct_os_cleanup EXIT SIGINT
TESTSUITE_RESULT=0
function ct_os_cleanup() {
local exit_code=$?
echo "${TEST_SUMMARY:-}"
if [ "$TESTSUITE_RESULT" -ne 0 ] || [ "$exit_code" -ne 0 ]; then
# shellcheck disable=SC2153
echo "OpenShift tests for ${IMAGE_NAME} failed."
exit 1
else
# shellcheck disable=SC2153
echo "OpenShift tests for ${IMAGE_NAME} succeeded."
exit 0
fi
}
# ct_os_check_compulsory_vars
# ---------------------------
# Check the compulsory variables:
# * IMAGE_NAME specifies a name of the candidate image used for testing.
# * VERSION specifies the major version of the MariaDB in format of X.Y
# * OS specifies RHEL version (e.g. OS=rhel8)
function ct_os_check_compulsory_vars() {
# shellcheck disable=SC2016
test -n "${IMAGE_NAME-}" || ( echo 'make sure $IMAGE_NAME is defined' >&2 ; exit 1)
# shellcheck disable=SC2016
test -n "${VERSION-}" || ( echo 'make sure $VERSION is defined' >&2 ; exit 1)
# shellcheck disable=SC2016
test -n "${OS-}" || ( echo 'make sure $OS is defined' >&2 ; exit 1)
}
# ct_os_get_status
# --------------------
# Returns status of all objects to make debugging easier.
function ct_os_get_status() {
oc get all
oc status
oc status --suggest
}
# ct_os_print_logs
# --------------------
# Returns status of all objects and logs from all pods.
function ct_os_print_logs() {
ct_os_get_status
while read -r pod_name; do
echo "INFO: printing logs for pod ${pod_name}"
oc logs "${pod_name}"
done < <(oc get pods --no-headers=true -o custom-columns=NAME:.metadata.name)
}
# ct_os_enable_print_logs
# --------------------
# Enables automatic printing of pod logs on ERR.
function ct_os_enable_print_logs() {
set -E
trap ct_os_print_logs ERR
}
# ct_get_public_ip
# --------------------
# Returns best guess for the IP that the node is accessible from other computers.
# This is a bit funny heuristic, simply goes through all IPv4 addresses that
# hostname -I returns and de-prioritizes IP addresses commonly used for local
# addressing. The rest of addresses are taken as public with higher probability.
function ct_get_public_ip() {
local hostnames
local public_ip=''
local found_ip
hostnames=$(hostname -I)
for guess_exp in '127\.0\.0\.1' '192\.168\.[0-9\.]*' '172\.[0-9\.]*' \
'10\.[0-9\.]*' '[0-9\.]*' ; do
found_ip=$(echo "${hostnames}" | grep -oe "${guess_exp}")
if [ -n "${found_ip}" ] ; then
# shellcheck disable=SC2001
hostnames=$(echo "${hostnames}" | sed -e "s/${found_ip}//")
public_ip="${found_ip}"
fi
done
if [ -z "${public_ip}" ] ; then
echo "ERROR: public IP could not be guessed." >&2
return 1
fi
echo "${public_ip}"
}
# ct_os_run_in_pod POD_NAME CMD
# --------------------
# Runs [cmd] in the pod specified by prefix [pod_prefix].
# Arguments: pod_name - full name of the pod
# Arguments: cmd - command to be run in the pod
function ct_os_run_in_pod() {
local pod_name="$1" ; shift
oc exec "$pod_name" -- "$@"
}
# ct_os_get_service_ip SERVICE_NAME
# --------------------
# Returns IP of the service specified by [service_name].
# Arguments: service_name - name of the service
function ct_os_get_service_ip() {
local service_name="${1}" ; shift
local ocp_docker_address="172\.30\.[0-9\.]*"
if [ "${CVP:-0}" -eq "1" ]; then
# shellcheck disable=SC2034
ocp_docker_address="172\.27\.[0-9\.]*"
fi
# shellcheck disable=SC2016
oc get "svc/${service_name}" -o yaml | grep clusterIP | \
cut -d':' -f2 | grep -oe "$ocp_docker_address"
}
# ct_os_get_all_pods_status
# --------------------
# Returns status of all pods.
function ct_os_get_all_pods_status() {
oc get pods -o custom-columns=Ready:status.containerStatuses[0].ready,NAME:.metadata.name
}
# ct_os_get_all_pods_name
# --------------------
# Returns the full name of all pods.
function ct_os_get_all_pods_name() {
oc get pods --no-headers -o custom-columns=NAME:.metadata.name
}
# ct_os_get_pod_status POD_PREFIX
# --------------------
# Returns status of the pod specified by prefix [pod_prefix].
# Note: Ignores -build and -deploy pods
# Arguments: pod_prefix - prefix or whole ID of the pod
function ct_os_get_pod_status() {
local pod_prefix="${1}" ; shift
ct_os_get_all_pods_status | grep -e "${pod_prefix}" | grep -Ev "(build|deploy)$" \
| awk '{print $1}' | head -n 1
}
# ct_os_get_build_pod_status POD_PREFIX
# --------------------
# Returns status of the build pod specified by prefix [pod_prefix].
# Arguments: pod_prefix - prefix or whole ID of the pod
function ct_os_get_build_pod_status() {
local pod_prefix="${1}" ; shift
local query="custom-columns=NAME:.metadata.name,Ready:status.phase"
oc get pods -o "$query" | grep -e "${pod_prefix}" | grep -E "\-build\s" \
| sort -u | awk '{print $2}' | tail -n 1
}
# ct_os_get_buildconfig_pod_name POD_PREFIX
# ----------------------------
# Returns status of the buildconfig pod specified by prefix [pod_prefix].
# Argument: pod_prefix - prefix
function ct_os_get_buildconfig_pod_name() {
local pod_prefix="${1}" ; shift
local query="custom-columns=NAME:.metadata.name"
oc get bc -o "$query" | grep -e "${pod_prefix}" | sort -u | tail -n 1
}
# ct_os_get_pod_name POD_PREFIX
# --------------------
# Returns the full name of pods specified by prefix [pod_prefix].
# Note: Ignores -build and -deploy pods
# Arguments: pod_prefix - prefix or whole ID of the pod
function ct_os_get_pod_name() {
local pod_prefix="${1}" ; shift
ct_os_get_all_pods_name | grep -e "^${pod_prefix}" | grep -Ev "(build|deploy)$"
}
# ct_os_get_pod_ip POD_NAME
# --------------------
# Returns the ip of the pod specified by [pod_name].
# Arguments: pod_name - full name of the pod
function ct_os_get_pod_ip() {
local pod_name="${1}"
oc get pod "$pod_name" --no-headers -o custom-columns=IP:status.podIP
}
# ct_os_get_sti_build_logs
# -----------------
# Return logs from sti_build
# Arguments: pod_name
function ct_os_get_sti_build_logs() {
local pod_prefix="${1}"
oc status --suggest
pod_name=$(ct_os_get_buildconfig_pod_name "${pod_prefix}")
# Print logs but do not failed. Just for traces
if [ x"${pod_name}" != "x" ]; then
oc logs "bc/$pod_name" || return 0
else
echo "Build config bc/$pod_name does not exist for some reason."
echo "Import probably failed."
fi
}
# ct_os_check_pod_readiness POD_PREFIX STATUS
# --------------------
# Checks whether the pod is ready.
# Arguments: pod_prefix - prefix or whole ID of the pod
# Arguments: status - expected status (true, false)
function ct_os_check_pod_readiness() {
local pod_prefix="${1}" ; shift
local status="${1}" ; shift
test "$(ct_os_get_pod_status "${pod_prefix}")" == "${status}"
}
# ct_os_wait_pod_ready POD_PREFIX TIMEOUT
# --------------------
# Wait maximum [timeout] for the pod becomming ready.
# Arguments: pod_prefix - prefix or whole ID of the pod
# Arguments: timeout - how many seconds to wait seconds
function ct_os_wait_pod_ready() {
local pod_prefix="${1}" ; shift
local timeout="${1}" ; shift
# If there is a build pod - wait for it to finish first
sleep 3
if ct_os_get_all_pods_name | grep -E "${pod_prefix}.*-build"; then
SECONDS=0
echo -n "Waiting for ${pod_prefix} build pod to finish ..."
while ! [ "$(ct_os_get_build_pod_status "${pod_prefix}")" == "Succeeded" ] ; do
echo -n "."
if [ "${SECONDS}" -gt "${timeout}0" ]; then
echo " FAIL"
ct_os_print_logs || :
ct_os_get_sti_build_logs "${pod_prefix}" || :
return 1
fi
sleep 3
done
echo " DONE"
fi
SECONDS=0
echo -n "Waiting for ${pod_prefix} pod becoming ready ..."
while ! ct_os_check_pod_readiness "${pod_prefix}" "true" ; do
echo -n "."
if [ "${SECONDS}" -gt "${timeout}" ]; then
echo " FAIL";
ct_os_print_logs || :
ct_os_get_sti_build_logs "${pod_prefix}" || :
return 1
fi
sleep 3
done
echo " DONE"
}
# ct_os_wait_rc_ready POD_PREFIX TIMEOUT
# --------------------
# Wait maximum [timeout] for the rc having desired number of replicas ready.
# Arguments: pod_prefix - prefix of the replication controller
# Arguments: timeout - how many seconds to wait seconds
function ct_os_wait_rc_ready() {
local pod_prefix="${1}" ; shift
local timeout="${1}" ; shift
SECONDS=0
echo -n "Waiting for ${pod_prefix} having desired numbers of replicas ..."
while ! test "$( (oc get --no-headers statefulsets; oc get --no-headers rc) 2>/dev/null \
| grep "^${pod_prefix}" | awk '$2==$3 {print "ready"}')" == "ready" ; do
echo -n "."
if [ "${SECONDS}" -gt "${timeout}" ]; then
echo " FAIL";
ct_os_print_logs || :
ct_os_get_sti_build_logs "${pod_prefix}" || :
return 1
fi
sleep 3
done
echo " DONE"
}
# ct_os_deploy_pure_image IMAGE [ENV_PARAMS, ...]
# --------------------
# Runs [image] in the openshift and optionally specifies env_params
# as environment variables to the image.
# Arguments: image - prefix or whole ID of the pod to run the cmd in
# Arguments: env_params - environment variables parameters for the images.
function ct_os_deploy_pure_image() {
local image="${1}" ; shift
# ignore error exit code, because oc new-app returns error when image exists
oc new-app "${image}" "$@" || :
# let openshift cluster to sync to avoid some race condition errors
sleep 3
}
# ct_os_deploy_s2i_image IMAGE APP [ENV_PARAMS, ... ]
# --------------------
# Runs [image] and [app] in the openshift and optionally specifies env_params
# as environment variables to the image.
# Arguments: image - prefix or whole ID of the pod to run the cmd in
# Arguments: app - url or local path to git repo with the application sources.
# Arguments: env_params - environment variables parameters for the images.
function ct_os_deploy_s2i_image() {
local image="${1}" ; shift
local app="${1}" ; shift
# ignore error exit code, because oc new-app returns error when image exists
oc new-app "${image}~${app}" --strategy=source "$@" || :
# let openshift cluster to sync to avoid some race condition errors
sleep 3
}
# ct_os_deploy_template_image TEMPLATE [ENV_PARAMS, ...]
# --------------------
# Runs template in the openshift and optionally gives env_params to use
# specific values in the template.
# Arguments: template - prefix or whole ID of the pod to run the cmd in
# Arguments: env_params - environment variables parameters for the template.
# Example usage: ct_os_deploy_template_image mariadb-ephemeral-template.yaml \
# DATABASE_SERVICE_NAME=mysql-80-c9s \
# DATABASE_IMAGE=mysql-80-c9s \
# MYSQL_USER=testu \
# MYSQL_PASSWORD=testp \
# MYSQL_DATABASE=testdb
function ct_os_deploy_template_image() {
local template="${1}" ; shift
oc process -f "${template}" "$@" | oc create -f -
# let openshift cluster to sync to avoid some race condition errors
sleep 3
}
# _ct_os_get_uniq_project_name
# --------------------
# Returns a uniq name of the OpenShift project.
function _ct_os_get_uniq_project_name() {
local r
while true ; do
r=${RANDOM}
mkdir /var/tmp/sclorg-test-${r} &>/dev/null && echo sclorg-test-${r} && break
done
}
# ct_os_new_project [PROJECT]
# --------------------
# Creates a new project in the openshfit using 'os' command.
# Arguments: project - project name, uses a new random name if omitted
# Expects 'os' command that is properly logged in to the OpenShift cluster.
# Not using mktemp, because we cannot use uppercase characters.
# The OPENSHIFT_CLUSTER_PULLSECRET_PATH environment variable can be set
# to contain a path to a k8s secret definition which will be used
# to authenticate to image registries.
# shellcheck disable=SC2120
function ct_os_new_project() {
if [ "${CVP:-0}" -eq "1" ]; then
echo "Testing in CVP environment. No need to create OpenShift project. This is done by CVP pipeline"
return
fi
if [ "${CT_SKIP_NEW_PROJECT:-false}" == 'true' ] ; then
echo "Creating project skipped."
return
fi
local project_name="${1:-$(_ct_os_get_uniq_project_name)}" ; shift || :
oc new-project "${project_name}"
# let openshift cluster to sync to avoid some race condition errors
sleep 3
if test -n "${OPENSHIFT_CLUSTER_PULLSECRET_PATH:-}" -a -e "${OPENSHIFT_CLUSTER_PULLSECRET_PATH:-}"; then
oc create -f "$OPENSHIFT_CLUSTER_PULLSECRET_PATH"
# add registry pullsecret to the serviceaccount if provided
secret_name=$(grep '^\s*name:' "$OPENSHIFT_CLUSTER_PULLSECRET_PATH" | awk '{ print $2 }')
oc secrets link --for=pull default "$secret_name"
fi
}
# ct_os_delete_project [PROJECT]
# --------------------
# Deletes the specified project in the openshfit
# Arguments: project - project name, uses the current project if omitted
# shellcheck disable=SC2120
function ct_os_delete_project() {
if [ "${CT_SKIP_NEW_PROJECT:-false}" == 'true' ] || [ "${CVP:-0}" -eq "1" ]; then
echo "Deleting project skipped, cleaning objects only."
# when not having enough privileges (remote cluster), it might fail and
# it is not a big problem, so ignore failure in this case
ct_delete_all_objects || :
return
fi
local project_name="${1:-$(oc project -q)}" ; shift || :
if oc delete project "${project_name}" ; then
echo "Project ${project_name} was deleted properly"
else
echo "Project ${project_name} was not delete properly. But it does not block CI."
fi
}
# ct_delete_all_objects
# -----------------
# Deletes all objects within the project.
# Handy when we have one project and want to run more tests.
function ct_delete_all_objects() {
local objects="bc builds dc is isimage istag po rc routes svc"
if [ "${CVP:-0}" -eq "1" ]; then
echo "Testing in CVP environment. No need to delete isimage and istag in OpenShift project. This is done by CVP pipeline"
objects="bc builds dc po pvc rc routes"
fi
for x in $objects; do
echo "oc gets info about $x"
oc get "$x"
echo "oc deletes $x with --all --force --grace-period=0"
oc delete "$x" --all --force --grace-period=0
done
# for some objects it takes longer to be really deleted, so a dummy sleep
# to avoid some races when other test can see not-yet-deleted objects and can fail
sleep 10
}
# ct_os_docker_login_v4
# --------------------
# Logs in into docker daemon
# Uses global REGISRTY_ADDRESS environment variable for arbitrary registry address.
# Does not do anything if REGISTRY_ADDRESS is set.
function ct_os_docker_login_v4() {
OCP4_REGISTER=$(oc get route default-route -n openshift-image-registry --template='{{ .spec.host }}')
echo "OCP4 loging address is $OCP4_REGISTER."
if [ -z "${OCP4_REGISTER}" ]; then
echo "!!!OpenShift 4 registry address not found. This is an error. Check OpenShift 4 cluster!!!"
return 1
fi
if docker login -u kubeadmin -p "$(oc whoami -t)" "${OCP4_REGISTER}"; then
echo "Login to $OCP4_REGISTER was successfully."
return 0
fi
return 1
}
# ct_os_upload_image IMAGE [IMAGESTREAM]
# --------------------
# Uploads image from local registry to the OpenShift internal registry.
# Arguments: image - image name to upload
# Arguments: imagestream - name and tag to use for the internal registry.
# In the format of name:tag ($image_name:latest by default)
# Uses global REGISRTY_ADDRESS environment variable for arbitrary registry address.
function ct_os_upload_image() {
local input_name="${1}" ; shift
local image_name=${1}
local output_name
local source_name
source_name="${input_name}"
# Variable OCP4_REGISTER is set in function ct_os_docker_login_v4
if ! ct_os_docker_login_v4; then
return 1
fi
output_name="$OCP4_REGISTER/$namespace/$image_name"
docker tag "${source_name}" "${output_name}"
docker push "${output_name}"
}
# ct_os_is_tag_exists IS_NAME TAG
# --------------------
# Checks whether the specified tag exists for an image stream
# Arguments: is_name - name of the image stream
# Arguments: tag - name of the tag (usually version)
function ct_os_is_tag_exists() {
local is_name=$1 ; shift
local tag=$1 ; shift
oc get is "${is_name}" -n openshift -o=jsonpath='{.spec.tags[*].name}' | grep -qw "${tag}"
}
# ct_os_template_exists T_NAME
# --------------------
# Checks whether the specified template exists for an image stream
# Arguments: t_name - template name of the image stream
function ct_os_template_exists() {
local t_name=$1 ; shift
oc get templates -n openshift | grep -q "^${t_name}\s"
}
# ct_os_cluster_running
# --------------------
# Returns 0 if oc cluster is running
function ct_os_cluster_running() {
oc cluster status &>/dev/null
}
# ct_os_logged_in
# ---------------
# Returns 0 if logged in to a cluster (remote or local)
function ct_os_logged_in() {
oc whoami >/dev/null
}
# ct_os_test_s2i_app_func IMAGE APP CONTEXT_DIR CHECK_CMD [OC_ARGS]
# --------------------
# Runs [image] and [app] in the openshift and optionally specifies env_params
# as environment variables to the image. Then check the container by arbitrary
# function given as argument (such an argument may include <IP> string,
# that will be replaced with actual IP).
# Arguments: image - prefix or whole ID of the pod to run the cmd in (compulsory)
# Arguments: app - url or local path to git repo with the application sources (compulsory)
# Arguments: context_dir - sub-directory inside the repository with the application sources (compulsory)
# Arguments: check_command - CMD line that checks whether the container works (compulsory; '<IP>' will be replaced with actual IP)
# Arguments: oc_args - all other arguments are used as additional parameters for the `oc new-app`
# command, typically environment variables (optional)
function ct_os_test_s2i_app_func() {
local image_name=${1}
local app=${2}
local context_dir=${3}
local check_command=${4}
local oc_args=${5:-}
local image_name_no_namespace=${image_name##*/}
local service_name="${image_name_no_namespace%%:*}-testing"
local namespace
if [ $# -lt 4 ] || [ -z "${1}" ] || [ -z "${2}" ] || [ -z "${3}" ] || [ -z "${4}" ]; then
echo "ERROR: ct_os_test_s2i_app_func() requires at least 4 arguments that cannot be emtpy." >&2
return 1
fi
# shellcheck disable=SC2119
ct_os_new_project
namespace=${CT_NAMESPACE:-"$(oc project -q)"}
local image_tagged="${image_name_no_namespace%:*}:${VERSION}"
if [ "${CVP:-0}" -eq "0" ]; then
echo "Uploading image ${image_name} as ${image_tagged} into OpenShift internal registry."
ct_os_upload_image "${image_name}" "${image_tagged}"
else
echo "Testing image ${image_name} in CVP pipeline."
fi
local app_param="${app}"
if [ -d "${app}" ] ; then
# for local directory, we need to copy the content, otherwise too smart os command
# pulls the git remote repository instead
app_param=$(ct_obtain_input "${app}")
fi
# shellcheck disable=SC2086
ct_os_deploy_s2i_image "${image_tagged}" "${app_param}" \
--context-dir="${context_dir}" \
--name "${service_name}" \
${oc_args}
if [ -d "${app}" ] ; then
# in order to avoid weird race seen sometimes, let's wait shortly
# before starting the build explicitly
sleep 5
oc start-build "${service_name}" --from-dir="${app_param}"
fi
ct_os_wait_pod_ready "${service_name}" 300
local ip
local check_command_exp
local image_id
# get image ID from the deployment config
image_id=$(oc get "deploymentconfig.apps.openshift.io/${service_name}" -o custom-columns=IMAGE:.spec.template.spec.containers[*].image | tail -n 1)
ip=$(ct_os_get_service_ip "${service_name}")
# shellcheck disable=SC2001
check_command_exp=$(echo "$check_command" | sed -e "s/<IP>/$ip/g" -e "s|<SAME_IMAGE>|${image_id}|g")
echo " Checking APP using $check_command_exp ..."
local result=0
eval "$check_command_exp" || result=1
ct_os_service_image_info "${service_name}"
if [ $result -eq 0 ] ; then
echo " Check passed."
else
echo " Check failed."
fi
# shellcheck disable=SC2119
ct_os_delete_project
return $result
}
# ct_os_test_s2i_app IMAGE APP CONTEXT_DIR EXPECTED_OUTPUT [PORT, PROTOCOL, RESPONSE_CODE, OC_ARGS, ... ]
# --------------------
# Runs [image] and [app] in the openshift and optionally specifies env_params
# as environment variables to the image. Then check the http response.
# Arguments: image - prefix or whole ID of the pod to run the cmd in (compulsory)
# Arguments: app - url or local path to git repo with the application sources (compulsory)
# Arguments: context_dir - sub-directory inside the repository with the application sources (compulsory)
# Arguments: expected_output - PCRE regular expression that must match the response body (compulsory)
# Arguments: port - which port to use (optional; default: 8080)
# Arguments: protocol - which protocol to use (optional; default: http)
# Arguments: response_code - what http response code to expect (optional; default: 200)
# Arguments: oc_args - all other arguments are used as additional parameters for the `oc new-app`
# command, typically environment variables (optional)
function ct_os_test_s2i_app() {
local image_name=${1}
local app=${2}
local context_dir=${3}
local expected_output=${4}
local port=${5:-8080}
local protocol=${6:-http}
local response_code=${7:-200}
local oc_args=${8:-}
if [ $# -lt 4 ] || [ -z "${1}" ] || [ -z "${2}" ] || [ -z "${3}" ] || [ -z "${4}" ]; then
echo "ERROR: ct_os_test_s2i_app() requires at least 4 arguments that cannot be emtpy." >&2
return 1
fi
ct_os_test_s2i_app_func "${image_name}" \
"${app}" \
"${context_dir}" \
"ct_os_test_response_internal '${protocol}://<IP>:${port}' '${response_code}' '${expected_output}'" \
"${oc_args}"
}
# ct_os_test_template_app_func IMAGE APP IMAGE_IN_TEMPLATE CHECK_CMD [OC_ARGS]
# --------------------
# Runs [image] and [app] in the openshift and optionally specifies env_params
# as environment variables to the image. Then check the container by arbitrary
# function given as argument (such an argument may include <IP> string,
# that will be replaced with actual IP).
# Arguments: image_name - prefix or whole ID of the pod to run the cmd in (compulsory)
# Arguments: template - url or local path to a template to use (compulsory)
# Arguments: name_in_template - image name used in the template
# Arguments: check_command - CMD line that checks whether the container works (compulsory; '<IP>' will be replaced with actual IP)
# Arguments: oc_args - all other arguments are used as additional parameters for the `oc new-app`
# command, typically environment variables (optional)
# Arguments: other_images - some templates need other image to be pushed into the OpenShift registry,
# specify them in this parameter as "<image>|<tag>", where "<image>" is a full image name
# (including registry if needed) and "<tag>" is a tag under which the image should be available
# in the OpenShift registry.
function ct_os_test_template_app_func() {
local image_name=${1}
local template=${2}
local name_in_template=${3}
local check_command=${4}
local oc_args=${5:-}
local other_images=${6:-}
if [ $# -lt 4 ] || [ -z "${1}" ] || [ -z "${2}" ] || [ -z "${3}" ] || [ -z "${4}" ]; then
echo "ERROR: ct_os_test_template_app_func() requires at least 4 arguments that cannot be emtpy." >&2
return 1
fi
local service_name="${name_in_template}-testing"
local image_tagged="${name_in_template}:${VERSION}"
local namespace
# shellcheck disable=SC2119
ct_os_new_project
namespace=${CT_NAMESPACE:-"$(oc project -q)"}
# Upload main image is already done by CVP pipeline. No need to do it twice.
if [ "${CVP:-0}" -eq "0" ]; then
# Create a specific imagestream tag for the image so that oc cannot use anything else
echo "Uploading image ${image_name} as ${image_tagged} into OpenShift internal registry."
ct_os_upload_image "${image_name}" "${image_tagged}"
else
echo "Import is already done by CVP pipeline."
fi
# Upload main image is already done by CVP pipeline. No need to do it twice.
if [ "${CVP:-0}" -eq "0" ]; then
# Other images are not uploaded by CVP pipeline. We need to do it.
# upload also other images, that template might need (list of pairs in the format <image>|<tag>
local image_tag_a
local i_t
for i_t in ${other_images} ; do
echo "${i_t}"
IFS='|' read -ra image_tag_a <<< "${i_t}"
if [[ "$(docker images -q "$image_name" 2>/dev/null)" == "" ]]; then
echo "ERROR: Image $image_name is not pulled yet."
docker images
echo "Add to the beginning of scripts run-openshift-remote-cluster and run-openshift row"
echo "'ct_pull_image $image_name true'."
exit 1
fi
echo "Uploading image ${image_tag_a[0]} as ${image_tag_a[1]} into OpenShift internal registry."
ct_os_upload_image "${image_tag_a[0]}" "${image_tag_a[1]}"
done
fi
# get the template file from remote or local location; if not found, it is
# considered an internal template name, like 'mysql', so use the name
# explicitly
local local_template
local_template=$(ct_obtain_input "${template}" 2>/dev/null || echo "--template=${template}")
echo "Creating a new-app with name ${name_in_template} in namespace ${namespace} with args ${oc_args}."
# shellcheck disable=SC2086
oc new-app "${local_template}" \
--name "${name_in_template}" \
-p NAMESPACE="${namespace}" \
${oc_args}
ct_os_wait_pod_ready "${service_name}" 300
local ip
local check_command_exp
local image_id
# get image ID from the deployment config
image_id=$(oc get "deploymentconfig.apps.openshift.io/${service_name}" -o custom-columns=IMAGE:.spec.template.spec.containers[*].image | tail -n 1)
ip=$(ct_os_get_service_ip "${service_name}")
# shellcheck disable=SC2001
check_command_exp=$(echo "$check_command" | sed -e "s/<IP>/$ip/g" -e "s|<SAME_IMAGE>|${image_id}|g")
echo " Checking APP using $check_command_exp ..."
local result=0
eval "$check_command_exp" || result=1
ct_os_service_image_info "${service_name}"
if [ $result -eq 0 ] ; then
echo " Check passed."
else
echo " Check failed."
fi
# shellcheck disable=SC2119
ct_os_delete_project
return $result
}
# params:
# ct_os_test_template_app IMAGE APP IMAGE_IN_TEMPLATE EXPECTED_OUTPUT [PORT, PROTOCOL, RESPONSE_CODE, OC_ARGS, ... ]
# --------------------
# Runs [image] and [app] in the openshift and optionally specifies env_params
# as environment variables to the image. Then check the http response.
# Arguments: image_name - prefix or whole ID of the pod to run the cmd in (compulsory)
# Arguments: template - url or local path to a template to use (compulsory)
# Arguments: name_in_template - image name used in the template
# Arguments: expected_output - PCRE regular expression that must match the response body (compulsory)
# Arguments: port - which port to use (optional; default: 8080)
# Arguments: protocol - which protocol to use (optional; default: http)
# Arguments: response_code - what http response code to expect (optional; default: 200)
# Arguments: oc_args - all other arguments are used as additional parameters for the `oc new-app`
# command, typically environment variables (optional)
# Arguments: other_images - some templates need other image to be pushed into the OpenShift registry,
# specify them in this parameter as "<image>|<tag>", where "<image>" is a full image name
# (including registry if needed) and "<tag>" is a tag under which the image should be available
# in the OpenShift registry.
function ct_os_test_template_app() {
local image_name=${1}
local template=${2}
local name_in_template=${3}
local expected_output=${4}
local port=${5:-8080}
local protocol=${6:-http}
local response_code=${7:-200}
local oc_args=${8:-}
local other_images=${9:-}
if [ $# -lt 4 ] || [ -z "${1}" ] || [ -z "${2}" ] || [ -z "${3}" ] || [ -z "${4}" ]; then
echo "ERROR: ct_os_test_template_app() requires at least 4 arguments that cannot be emtpy." >&2
return 1
fi
ct_os_test_template_app_func "${image_name}" \
"${template}" \
"${name_in_template}" \
"ct_os_test_response_internal '${protocol}://<IP>:${port}' '${response_code}' '${expected_output}'" \
"${oc_args}" \
"${other_images}"
}
# ct_os_test_image_update IMAGE_NAME OLD_IMAGE ISTAG CHECK_FUNCTION OC_ARGS
# --------------------
# Runs an image update test with [image] uploaded to [is] imagestream
# and checks the services using an arbitrary function provided in [check_function].
# Arguments: image_name - prefix or whole ID of the pod to run the cmd in (compulsory)
# Arguments: old_image - valid name of the image from the registry
# Arguments: istag - imagestream to upload the images into (compulsory)
# Arguments: check_function - command to be run to check functionality of created services (compulsory)
# Arguments: oc_args - arguments to use during oc new-app (compulsory)
ct_os_test_image_update() {
local image_name=$1; shift
local old_image=$1; shift
local istag=$1; shift
local check_function=$1; shift
local ip="" check_command_exp=""
local image_name_no_namespace=${image_name##*/}
local service_name="${image_name_no_namespace%%:*}-testing"
echo "Running image update test for: $image_name"
# shellcheck disable=SC2119
ct_os_new_project
# Get current image from repository and create an imagestream
docker pull "$old_image:latest" 2>/dev/null
ct_os_upload_image "$old_image" "$istag"
# Setup example application with curent image
oc new-app "$@" --name "$service_name"
ct_os_wait_pod_ready "$service_name" 60
# Check application output
ip=$(ct_os_get_service_ip "$service_name")
check_command_exp=${check_function//<IP>/$ip}
ct_assert_cmd_success "$check_command_exp"
# Tag built image into the imagestream and wait for rebuild
ct_os_upload_image "$image_name" "$istag"
ct_os_wait_pod_ready "${service_name}-2" 60
# Check application output
ip=$(ct_os_get_service_ip "$service_name")
check_command_exp=${check_function//<IP>/$ip}
ct_assert_cmd_success "$check_command_exp"
# shellcheck disable=SC2119
ct_os_delete_project
}
# ct_os_deploy_cmd_image IMAGE_NAME
# --------------------
# Runs a special command pod, a pod that does nothing, but includes utilities for testing.
# A typical usage is a mysql pod that includes mysql commandline, that we need for testing.
# Running commands inside this command pod is done via ct_os_cmd_image_run function.
# The pod is not run again if already running.
# Arguments: image_name - image to be used as a command pod
function ct_os_deploy_cmd_image() {
local image_name=${1}
oc get pod command-app &>/dev/null && echo "command POD already running" && return 0
echo "command POD not running yet, will start one called command-app ${image_name}"
oc create -f - <<EOF
apiVersion: v1
kind: Pod
metadata:
name: command-app
spec:
containers:
- name: command-container
image: "${image_name}"
command: ["sleep"]
args: ["3h"]
restartPolicy: OnFailure
EOF
SECONDS=0
echo -n "Waiting for command POD ."
while [ $SECONDS -lt 180 ] ; do
# Let's show status of all pods. Not only command-container for tracking issues
oc get pods
# shellcheck disable=SC2016
sout="$(ct_os_cmd_image_run 'echo $((11*11))' 2>/dev/null)"
# shellcheck disable=SC2015
grep -q '^121$' <<< "$sout" && echo "DONE" && return 0 || :
sleep 3
echo -n "."
done
echo "FAIL"
return 1
}
# ct_os_cmd_image_run CMD [ ARG ... ]
# --------------------
# Runs a command CMD inside a special command pod
# Arguments: cmd - shell command with args to run in a pod
function ct_os_cmd_image_run() {
oc exec command-app -- bash -c "$@"
}
# ct_os_test_response_internal
# ----------------
# Perform GET request to the application container, checks output with
# a reg-exp and HTTP response code.
# That all is done inside an image in the cluster, so the function is used
# typically in clusters that are not accessible outside.
# The interanal image is a python image that should include the most of the useful commands.
# The check is repeated until timeout.
# Argument: url - request URL path
# Argument: expected_code - expected HTTP response code
# Argument: body_regexp - PCRE regular expression that must match the response body
# Argument: max_attempts - Optional number of attempts (default: 20), three seconds sleep between
# Argument: ignore_error_attempts - Optional number of attempts when we ignore error output (default: 10)
ct_os_test_response_internal() {
local url="$1"
local expected_code="$2"
local body_regexp="$3"
local max_attempts=${4:-20}
local ignore_error_attempts=${5:-10}
: " Testing the HTTP(S) response for <${url}>"
local sleep_time=3
local attempt=1
local result=1
local status
local response_code
local response_file
local util_image_name='registry.access.redhat.com/ubi7/ubi'
response_file=$(mktemp /tmp/ct_test_response_XXXXXX)
ct_os_deploy_cmd_image "${util_image_name}"
while [ "${attempt}" -le "${max_attempts}" ]; do
ct_os_cmd_image_run "curl --connect-timeout 10 -s -w '%{http_code}' '${url}'" >"${response_file}" && status=0 || status=1
if [ "${status}" -eq 0 ]; then
response_code=$(tail -c 3 "${response_file}")
if [ "${response_code}" -eq "${expected_code}" ]; then
result=0
fi
grep -qP -e "${body_regexp}" "${response_file}" || result=1;
# Some services return 40x code until they are ready, so let's give them
# some chance and not end with failure right away
# Do not wait if we already have expected outcome though
if [ "${result}" -eq 0 ] || [ "${attempt}" -gt "${ignore_error_attempts}" ] || [ "${attempt}" -eq "${max_attempts}" ] ; then
break
fi
fi
attempt=$(( attempt + 1 ))
sleep "${sleep_time}"
done
rm -f "${response_file}"
return "${result}"
}
# ct_os_get_image_from_pod
# ------------------------
# Print image identifier from an existing pod to stdout
# Argument: pod_prefix - prefix or full name of the pod to get image from
ct_os_get_image_from_pod() {
local pod_prefix=$1 ; shift
local pod_name
pod_name=$(ct_os_get_pod_name "$pod_prefix")
oc get "po/${pod_name}" -o yaml | sed -ne 's/^\s*image:\s*\(.*\)\s*$/\1/ p' | head -1
}
# ct_os_check_cmd_internal
# ----------------
# Runs a specified command, checks exit code and compares the output with expected regexp.
# That all is done inside an image in the cluster, so the function is used
# typically in clusters that are not accessible outside.
# The check is repeated until timeout.
# Argument: util_image_name - name of the image in the cluster that is used for running the cmd
# Argument: service_name - kubernetes' service name to work with (IP address is taken from this one)
# Argument: check_command - command that is run within the util_image_name container
# Argument: expected_content_match - regexp that must be in the output (use .* to ignore check)
# Argument: timeout - number of seconds to wait till the check succeeds
function ct_os_check_cmd_internal() {
local util_image_name=$1 ; shift
local service_name=$1 ; shift
local check_command=$1 ; shift
local expected_content_match=${1:-.*} ; shift
local timeout=${1:-60} ; shift || :
: " Service ${service_name} check ..."
local output
local ret
local ip
local check_command_exp
ip=$(ct_os_get_service_ip "${service_name}")
# shellcheck disable=SC2001
check_command_exp=$(echo "$check_command" | sed -e "s/<IP>/$ip/g")
ct_os_deploy_cmd_image "${util_image_name}"
SECONDS=0
echo -n "Waiting for ${service_name} service becoming ready ..."
while true ; do
output=$(ct_os_cmd_image_run "$check_command_exp")
ret=$?
echo "${output}" | grep -qe "${expected_content_match}" || ret=1
if [ ${ret} -eq 0 ] ; then
echo " PASS"
return 0
fi
echo -n "."
[ ${SECONDS} -gt "${timeout}" ] && break
sleep 3
done
echo " FAIL"
return 1
}
# ct_os_test_image_stream_template IMAGE_STREAM_FILE TEMPLATE_FILE SERVICE NAME [TEMPLATE_PARAMS]
# ------------------------
# Creates an image stream and deploys a specified template. Then checks that a pod runs.
# Argument: image_stream_file - local or remote file with the image stream definition
# Argument: template_file - local file name with a template
# Argument: service_name - how the pod will be named (prefix)
# Argument: template_params (optional) - parameters for the template, like image stream version
function ct_os_test_image_stream_template() {
local image_stream_file=${1}