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functions
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functions
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#!/usr/bin/env bash
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/property-functions"
source "$PLUGIN_AVAILABLE_PATH/config/functions"
if [[ -f "$PLUGIN_AVAILABLE_PATH/docker-options/functions" ]]; then
source "$PLUGIN_AVAILABLE_PATH/docker-options/functions"
fi
service_connect() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
dokku_log_fail "Not yet implemented"
}
service_create() {
local SERVICE="$1"
is_valid_service_name "$SERVICE" || dokku_log_fail "Please specify a valid name for the service. Valid characters are: [A-Za-z0-9_]+"
[[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a valid name for the service"
[[ ! -d "$PLUGIN_DATA_ROOT/$SERVICE" ]] || dokku_log_fail "$PLUGIN_SERVICE service $SERVICE already exists"
SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
LINKS_FILE="$SERVICE_ROOT/LINKS"
service_parse_args "${@:2}"
if ! service_image_exists "$SERVICE"; then
if [[ "$PLUGIN_DISABLE_PULL" == "true" ]]; then
dokku_log_warn "${PLUGIN_DISABLE_PULL_VARIABLE} environment variable detected. Not running pull command." 1>&2
dokku_log_warn " docker image pull ${IMAGE}" 1>&2
dokku_log_warn "$PLUGIN_SERVICE service creation failed"
exit 1
fi
"$DOCKER_BIN" image pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
fi
plugn trigger service-action pre-create "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
mkdir -p "$SERVICE_ROOT" || dokku_log_fail "Unable to create service directory"
mkdir -p "$SERVICE_ROOT/data" || dokku_log_fail "Unable to create service data directory"
mkdir -p "$SERVICE_ROOT/$PLUGIN_CONFIG_SUFFIX" || dokku_log_fail "Unable to create service config directory"
touch "$LINKS_FILE"
PASSWORD=$(openssl rand -hex 16)
if [[ -n "$SERVICE_PASSWORD" ]]; then
PASSWORD="$SERVICE_PASSWORD"
dokku_log_warn "Specified password may not be as secure as the auto-generated password"
fi
echo "$PASSWORD" >"$SERVICE_ROOT/PASSWORD"
chmod 640 "$SERVICE_ROOT/PASSWORD"
service_commit_config "$SERVICE"
write_database_name "$SERVICE"
plugn trigger service-action post-create "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
service_create_container "$SERVICE"
plugn trigger service-action post-create-complete "$PLUGIN_COMMAND_PREFIX" "$SERVICE"
}
service_create_container() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_HOST_ROOT="$PLUGIN_DATA_HOST_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
if [[ -f "$SERVICE_ROOT/CONFIG_OPTIONS" ]]; then
export CONFIG_OPTIONS="$(cat "$SERVICE_ROOT/CONFIG_OPTIONS")"
fi
local network_alias="$(service_dns_hostname "$SERVICE")"
rm -f "$SERVICE_ROOT/ID"
declare -a DOCKER_ARGS
DOCKER_ARGS=()
DOCKER_ARGS+=("--cidfile=$SERVICE_ROOT/ID")
DOCKER_ARGS+=("--env-file=$SERVICE_ROOT/ENV")
DOCKER_ARGS+=("--env=GRAPHITE_PASSWORD=$PASSWORD")
DOCKER_ARGS+=("--hostname=$SERVICE_NAME")
DOCKER_ARGS+=("--label=dokku.service=$PLUGIN_COMMAND_PREFIX")
DOCKER_ARGS+=("--label=dokku=service")
DOCKER_ARGS+=("--name=$SERVICE_NAME")
DOCKER_ARGS+=("--restart=always")
DOCKER_ARGS+=("--volume=$SERVICE_HOST_ROOT/data/grafana:/opt/grafana/data")
DOCKER_ARGS+=("--volume=$SERVICE_HOST_ROOT/data/whisper:/opt/graphite/storage/whisper")
declare -a LINK_CONTAINER_DOCKER_ARGS
LINK_CONTAINER_DOCKER_ARGS=()
LINK_CONTAINER_DOCKER_ARGS+=("--rm")
LINK_CONTAINER_DOCKER_ARGS+=("--link")
LINK_CONTAINER_DOCKER_ARGS+=("$SERVICE_NAME:$network_alias")
[[ -f "$SERVICE_ROOT/SERVICE_MEMORY" ]] && SERVICE_MEMORY="$(cat "$SERVICE_ROOT/SERVICE_MEMORY")"
if [[ -n "$SERVICE_MEMORY" ]]; then
DOCKER_ARGS+=("--memory=${SERVICE_MEMORY}m")
fi
[[ -f "$SERVICE_ROOT/SHM_SIZE" ]] && SERVICE_SHM_SIZE="$(cat "$SERVICE_ROOT/SHM_SIZE")"
if [[ -n "$SERVICE_SHM_SIZE" ]]; then
DOCKER_ARGS+=("--shm-size=${SERVICE_SHM_SIZE}")
fi
[[ -f "$SERVICE_ROOT/IMAGE" ]] && PLUGIN_IMAGE="$(cat "$SERVICE_ROOT/IMAGE")"
[[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && PLUGIN_IMAGE_VERSION="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
local network="$(fn-plugin-property-get "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "initial-network")"
if [[ -n "$network" ]]; then
DOCKER_ARGS+=("--network=${network}")
DOCKER_ARGS+=("--network-alias=${network_alias}")
LINK_CONTAINER_DOCKER_ARGS+=("--network=${network}")
fi
# shellcheck disable=SC2086
suppress_output "$DOCKER_BIN" container create "${DOCKER_ARGS[@]}" "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" $CONFIG_OPTIONS
if [[ -n "$(fn-plugin-property-get "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "post-create-network")" ]]; then
dokku_log_verbose_quiet "Connecting to networks after container create"
while read -r line || [[ -n "$line" ]]; do
dokku_log_verbose_quiet "- $line"
"$DOCKER_BIN" network connect --alias "$network_alias" "$line" "$SERVICE_NAME"
done < <(fn-plugin-property-get "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "post-create-network" | tr "," "\n")
fi
suppress_output "$DOCKER_BIN" container start "$(cat "$SERVICE_ROOT/ID")"
service_port_reconcile_status "$SERVICE"
if [[ -n "$(fn-plugin-property-get "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "post-start-network")" ]]; then
dokku_log_verbose_quiet "Connecting to networks after container start"
while read -r line || [[ -n "$line" ]]; do
dokku_log_verbose_quiet "- $line"
"$DOCKER_BIN" network connect --alias "$network_alias" "$line" "$SERVICE_NAME"
done < <(fn-plugin-property-get "$PLUGIN_COMMAND_PREFIX" "$SERVICE" "post-start-network" | tr "," "\n")
fi
IP=$(get_container_ip "$(cat "$SERVICE_ROOT/ID")")
dokku_log_verbose_quiet "Waiting for container to be ready"
if ! suppress_output "$DOCKER_BIN" container run "${LINK_CONTAINER_DOCKER_ARGS[@]}" "$PLUGIN_WAIT_IMAGE" -c "$network_alias:$PLUGIN_DATASTORE_WAIT_PORT"; then
dokku_log_info2_quiet "Start of $SERVICE container output"
dokku_container_log_verbose_quiet "$SERVICE_NAME"
dokku_log_info2_quiet "End of $SERVICE container output"
return 1
fi
dokku_log_info2 "$PLUGIN_SERVICE container created: $SERVICE"
service_info "$SERVICE"
dokku_log_info1 "Grafana for $SERVICE available under $IP:80"
dokku_log_info1 "Initial login/pass: admin/admin. Please change it on first login"
dokku_log_info1 "Graphite for $SERVICE available under $IP:81"
}
service_export() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
dokku_log_fail "Not yet implemented"
}
service_import() {
local SERVICE="$1"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_HOST_ROOT="$PLUGIN_DATA_HOST_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
dokku_log_fail "Not yet implemented"
}
service_start() {
local SERVICE="$1"
local QUIET="$2"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local SERVICE_NAME="$(get_service_name "$SERVICE")"
local ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "status=running" --filter "name=^/$SERVICE_NAME$") || true
if [[ -n $ID ]]; then
[[ -z $QUIET ]] && dokku_log_warn "Service is already started"
if [[ ! -f "$SERVICE_ROOT/ID" ]] || [[ "$(cat "$SERVICE_ROOT/ID")" != "$ID" ]]; then
[[ -z $QUIET ]] && dokku_log_warn "Updating local container ID"
echo "$ID" >"$SERVICE_ROOT/ID"
fi
return 0
fi
dokku_log_info2_quiet "Starting container"
local PREVIOUS_ID=$("$DOCKER_BIN" container ps -aq --no-trunc --filter "status=exited" --filter "name=^/$SERVICE_NAME$") || true
local PASSWORD="$(service_password "$SERVICE")"
if [[ -n $PREVIOUS_ID ]]; then
"$DOCKER_BIN" container start "$PREVIOUS_ID" >/dev/null
service_port_reconcile_status "$SERVICE"
dokku_log_info2 "Container started"
elif service_image_exists "$SERVICE" && [[ -n "$PASSWORD" ]]; then
service_create_container "$SERVICE"
else
if ! service_image_exists "$SERVICE"; then
[[ -f "$SERVICE_ROOT/IMAGE" ]] && PLUGIN_IMAGE="$(cat "$SERVICE_ROOT/IMAGE")"
[[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && PLUGIN_IMAGE_VERSION="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
dokku_log_verbose_quiet "Missing image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION for $SERVICE"
else
dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"
fi
fi
}
service_url() {
local SERVICE="$1"
local SERVICE_DNS_HOSTNAME="$(service_dns_hostname "$SERVICE")"
echo "$PLUGIN_SCHEME://$SERVICE_DNS_HOSTNAME:${PLUGIN_DATASTORE_PORTS[0]}"
}