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gac.sh
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gac.sh
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#!/usr/bin/env bash
set -e
usage() {
echo "$(basename "$0") [--verbose] COMMAND ARGS.." >&2
echo
echo " new CLUSTER-NAME [OPS-BRANCH-NAME] [CLUSTER-TYPE] [CLUSTER-KIND]"
grep ' ) # Doc:' "$0" | sed 's,^\([^ ]*\) .* \([^ ]*\) ) # Doc:\(.*\)$,"\1" "\2",' | tail -n +2 | {
read -r a b
while test -n "$a"
do
printf '%20s %s\n' "$(echo "$a" | xargs)" "$(echo "$b" | sed 's,-, ,g; s/\b\(.\)/\u\1/' | xargs)"
read -r a b
done
}
}
load_config() {
if [[ ! "$CONFIGURED" = "true" ]]
then
log "Loading .config.sh"
verbose=""
if ! [[ -f ./.config.sh ]]; then
log "ERROR: .config.sh does not exist; please create it."
exit 1
fi
if ! grep -q CLUSTER_KIND ./.config.sh || \
! grep -q CLUSTER_TYPE ./.config.sh || \
! grep -q CLUSTER_NAME ./.config.sh || \
! grep -q CONFIG ./.config.sh
then
log "ERROR: malformed .config.sh -- missing one of CLUSTER_{KIND,TYPE,NAME} or CONFIG"
exit 1
fi
# Shellcheck complains that `.config.sh` is not present; however,
# at the time we run Shellcheck, it's not supposed to be present.
# shellcheck disable=SC1091
. ./.config.sh
if test -z "${GAC_RECURSIVE}"
then log ".config.sh settings:"
cat <<EOF
CLUSTER_KIND=${CLUSTER_KIND}
CLUSTER_TYPE=${CLUSTER_TYPE}
CLUSTER_NAME=${CLUSTER_NAME}
CONFIG=${CONFIG}
EOF
fi
NODE_DERIVATION=${CLUSTER_KIND}
NODE_EXECUTABLE=${CLUSTER_KIND}
DEFAULT_NODE=${CLUSTER_KIND}-a-0
NODE_SERVICE=${CLUSTER_KIND}
NODE_DB_PATH=/data/${CLUSTER_KIND}
ALL_NODES="${DEFAULT_NODE} ${CLUSTER_KIND}-b-0 ${CLUSTER_KIND}-c-0 "
TLS_CERT_DIR="$(pwd)/tls-cert"
TLS_CERT="${TLS_CERT_DIR}/cert.pem"
TLS_CERT_KEY="${TLS_CERT_DIR}/key.pem"
set -u
CONFIGURED="true"
fi
}
if test -n "GAC_RUNNING"
then GAC_RECURSIVE=yes
fi
export GAC_RUNNING=yes
log() {
echo "==( $*" >&2
}
verbose=
while test -n "$1"
do case "$1" in
--verbose | -v ) set -x; verbose="--verbose";;
--help | "--"* ) usage; exit 1;;
* ) break;;
esac; shift; done
self="$(realpath "$0") ${verbose}"
cmd=${1:-doit}; test -n "$1"; shift
###
### Overlay root detection: ${PWD}, $(dirname $self)
###
gacroot="$(realpath "$0" | xargs dirname)"
if [[ -d "$PWD/clusters" ]]
then overlayroot=$PWD
elif [[ -d "$PWD/.seed/clusters" ]]
then overlayroot="$PWD/.seed"
else overlayroot="${gacroot}"
fi
###
### Overlay/defaults: ${PWD}/.defaults
###
# shellcheck disable=SC1090
if test -f "${overlayroot}/.gac.defaults"
then . "${overlayroot}/.gac.defaults"
else . "${gacroot}/.gac.defaults"
fi
###
### Overlay/command overrides: ${overlayroot}/gac-${cmd}.sh defines 'gac ${cmd}'
###
local_override="${overlayroot}/gac-${cmd}.sh"
central_override="${gacroot}/gac-${cmd}.sh"
if test -x "${local_override}"
then override="${local_override}"
elif test -x "${central_override}"
then override="${central_override}"
else override=
fi
if test -x "${override}"
then log "running an override for 'gac ${cmd}': ${override}"
# Shellcheck complains that `GAC_CENTRAL` is unused; however,
# it is used by `gac-new.sh` (which is sourced in here whenever `gac new` is called)
# shellcheck disable=SC2034
GAC_CENTRAL=$self
# Shellcheck can't follow non-constant source. Too bad.
# shellcheck disable=SC1090
. ${override} "$@"
exit $? ## set -e does this already, so adding just for clarity.
fi
load_config
###
### Note: Nixpkgs specification convention
### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
### gac.sh relies on ./default.nix providing the 'pkgs' and 'nixpkgs' attributes coming from iohk-nix.
###
nixpkgs_out=$(nix-instantiate --eval -E 'let inherit (import ./. {}) nixpkgs; in nixpkgs.outPath or nixpkgs' | xargs echo)
nix_out="$( nix-build --no-out-link -E '(import ./. {}).pkgs.nix' | xargs echo)"
nixops_out="$(nix-build --no-out-link -E '(import ./. {}).pkgs.nixops' | xargs echo)"
nix=${nix_out}/bin/nix
nix_build=${nix_out}/bin/nix-build
nix_inst=${nix_out}/bin/nix-instantiate
nixops=${nixops_out}/bin/nixops
## Are we in overlay mode?
if test "$(pwd)" != "${gacroot}"
then log "overlay mode ON"
OVERLAY_MODE=yes
else OVERLAY_MODE=
fi
nix_opts=(--max-jobs 4
--cores 0
--show-trace
-I "nixpkgs=${nixpkgs_out}")
nixops_nix_opts=("${nix_opts[@]}"
-I "nixops=${nixops_out}/share/nix/nixops"
-I "config=./configs/${CONFIG}.nix"
-I "configs=./configs"
-I "module=${gacroot}/modules"
-I "overlay=${gacroot}/overlays"
-I "static=./static"
-I "goguen=${gacroot}/goguen"
${OVERLAY_MODE:+-I local-module=./modules}
${OVERLAY_MODE:+-I iops=${gacroot}})
if test ! -f "${nixops}"
then nix-store --realise "${nixops}"
fi
export NIX_PATH="nixpkgs=${nixpkgs_out}"
nixops_subopts=(--deployment "${CLUSTER_NAME}" "${nixops_nix_opts[@]}")
nixops_subopts_deploy=("${nixops_subopts[@]}" "--max-concurrent-copy=50")
nixops_constituents="$(ls "./clusters/${CLUSTER_TYPE}"/*.nix)"
# We're using `ls -Q` here to quote; make sure we have the GNU version of `ls`
# because the Darwin/BSD version does *not* support this option.
PATH=$(nix-build -E "(import ./. {}).pkgs.coreutils" --no-out-link)/bin:$PATH
nixops_constituents_quoted="$(echo "${nixops_constituents}" | xargs ls -Q)"
nixops_deplArgs="{ accessKeyId = \"AKID\"; deployerIP = \"127.0.0.1\"; }"
nixops_network_expr="import <nixops/eval-machine-info.nix> { \
networkExprs = [ ${nixops_constituents_quoted} ]; \
args = ${nixops_deplArgs}; \
uuid = \"81976a61-80f6-11e7-9369-06258a1e40fd\"; \
deploymentName = \"${CLUSTER_NAME}\"; \
checkConfigurationOptions = false; \
}"
generate_faucet_keys () {
JAVA_HOME=$(nix-build -E "(import ./. {}).pkgs.openjdk8" --no-out-link)
export JAVA_HOME
node=$(nix-build --no-out-link -E "(import ./. {}).${NODE_DERIVATION}")
FAUCETS="faucet-a"
FAUCET_ADDRS="static/faucet-addresses.nix"
FAUCET_KEYGEN_CONF="static/faucet-keygen.conf"
echo 'include "application.conf"' > ${FAUCET_KEYGEN_CONF}
echo '{' > ${FAUCET_ADDRS}
for f in $FAUCETS; do
rm -f ~/.mallet/*
"${node}/bin/${NODE_EXECUTABLE}" -Dconfig.file=${FAUCET_KEYGEN_CONF} mallet "http://127.0.0.1" --command newAccount --password ""
cat ~/.mallet/* >> "static/mallet-${f}.json"
addr="$(jq ".address" ~/.mallet/*)"
echo "${f} = ${addr};" >> ${FAUCET_ADDRS}
done
echo '}' >> ${FAUCET_ADDRS}
}
generate_node_keys () {
JAVA_HOME=$(nix-build -E "(import ./. {}).pkgs.openjdk8" --no-out-link)
export JAVA_HOME
node=$(nix-build --no-out-link -E "(import ./. {}).${NODE_DERIVATION}")
NODE_IDS="static/node-ids.nix"
mkdir -p "static"
echo "{" > "$NODE_IDS"
for n in $ALL_NODES; do
KEY_FILE="static/$n.key"
if [[ ! -f "$KEY_FILE" ]]; then
"${node}/bin/eckeygen" > "$KEY_FILE"
fi
NODE_ID="$(sed -n 2p "$KEY_FILE")"
echo " $n = { id = \"$NODE_ID\"; };" >> "$NODE_IDS"
done
echo "}" >> "$NODE_IDS"
}
generate_self_signed_tls_cert () {
rm -rf "${TLS_CERT_DIR}"
mkdir -p "${TLS_CERT_DIR}"
openssl=$(nix-build --no-out-link -E '(import ./. {}).pkgs.openssl' | xargs echo)/bin/openssl
${openssl} req -x509 -newkey rsa:4096 -nodes -keyout "${TLS_CERT_KEY}" -out \
"${TLS_CERT}" -days 365 -subj '/CN=localhost'
}
# shellcheck disable=SC2221,SC2222
case ${cmd} in
"" | "" ) # Doc:
;;
"" | debug-support ) # Doc:
;;
"" | "" ) # Doc:
;;
eval | evaluate-nixops-machine-definition ) # Doc:
nix-instantiate "${nixops_nix_opts[@]}" --eval -E "let depl = ${nixops_network_expr}; in depl.machines { names = [\"${DEFAULT_NODE}\"]; }";;
repl | repl-with-machine-definition ) # Doc:
nixver="$(nix --version | cut -d ' ' -f3)"
if test "${nixver}" != 2.2 -a "${nixver}" != 2.3 -a "${nixver}" != 2.4 -a "${nixver}" != 2.5
then log "ERROR: nix version 2.2 required for 'gac repl'"
fi
nix repl "${nixops_nix_opts[@]}" --arg depl "${nixops_network_expr}" ./network.nix \
--argstr nixpkgsSrc "${nixpkgs_out}";;
dry | full-new-cluster-create-and-deploy-dry-run ) # Doc:
export AWS_PROFILE=default AWS_ACCESS_KEY_ID=AKIASDADFLKJDFJDJFDJ AWS_SECRET_ACCESS_KEY=Hlkjdflsjfjlnrmnsiuhfskjhkshfiuurrfsd/Rp
if ${nixops} info "${nixops_subopts[@]}" >/dev/null 2>&1
then op=modify
else op=create; generate_node_keys; fi
${nixops} ${op} "${nixops_subopts[@]}" "${nixops_constituents}"
deployerIP="127.0.0.1"
AKID=someBoringAKID # "(pow 2.71828 . (3.1415 *) . sqrt) -1 = -1"
${nixops} set-args "${nixops_subopts[@]}" \
--argstr accessKeyId "${AKID}" \
--argstr deployerIP "${deployerIP}" \
--argstr clusterName "${CLUSTER_NAME}" \
--arg config "import ./config.nix { clusterName = \"${CLUSTER_NAME}\"; deployerIP = \"${deployerIP}\"; accessKeyId = \"${AKID}\"; }"
${nixops} deploy "${nixops_subopts_deploy[@]}" --dry-run "$@"
;;
"" | "" ) # Doc:
;;
"" | initial-cluster-setup ) # Doc:
;;
"" | "" ) # Doc:
;;
create | create-cluster-nixops-deployment ) # Doc:
set +u; AKID="$1"; test -n "$1" && shift; set -u
${nixops} create -d "${CLUSTER_NAME}" "clusters/${CLUSTER_TYPE}"/*.nix
;;
components | ls | list-cluster-components ) # Doc:
log "components of cluster ${CLUSTER_NAME}:"
echo "${nixops_constituents}" | tr " " '\n' | sort | sed 's,^, ,';;
configure | config | cfg | conf | configure-nixops-deployment-arguments ) # Doc:
log "querying own IP.."
deployerIP="$(curl --connect-timeout 2 --silent http://169.254.169.254/latest/meta-data/public-ipv4)"
log "setting up the AWS access key.."
set +u; AKID="$1"; set -u
if [[ -z $AKID ]]; then
AKID="$(grep aws_access_key_id ~/.aws/credentials | cut -d= -f2 | xargs)"
fi
if [[ -z $AKID ]]; then
read -rep "Use AWS access key ID: " AKID
fi
if ! [[ -f "${TLS_CERT}" || -f "${TLS_CERT_KEY}" ]]
then log "generating self-signed TLS certificate"
generate_self_signed_tls_cert
fi
${nixops} set-args "${nixops_subopts[@]}" \
--argstr accessKeyId "${AKID}" \
--argstr deployerIP "${deployerIP}" \
--argstr clusterName "${CLUSTER_NAME}" \
--arg config "import ${gacroot}/config.nix { \
clusterName = \"${CLUSTER_NAME}\"; \
deployerIP = \"${deployerIP}\"; \
accessKeyId = \"${AKID}\"; \
tlsCert = /. + \"${TLS_CERT}\"; \
tlsCertKey = /. + \"${TLS_CERT_KEY}\";
}"
;;
genkey | g | generate-node-keys ) # Doc:
generate_node_keys;;
destroy ) # Doc:
${nixops} destroy "${nixops_subopts[@]}" "$@";;
delete ) # Doc:
${nixops} delete "${nixops_subopts[@]}" "$@";;
info | i | nixops-info ) # Doc:
${nixops} info "${nixops_subopts[@]}";;
"" | "" ) # Doc:
;;
"" | cluster-deployment ) # Doc:
;;
"" | "" ) # Doc:
;;
deploy-one | one | deploy-one-machine ) # Doc:
$self deploy --include "${DEFAULT_NODE}";;
deploy | d | update-and-deploy ) # Doc:
if ! ${nixops} info "${nixops_subopts[@]}" &>/dev/null; then
log "recreating the Nixops deployment.."
$self create
fi
$self components
$self configure-nixops-deployment-arguments
${nixops} check "${nixops_subopts[@]}" || true # <- nixops check returns non-zero status when resources are missing but it still updates the state. so we don't want this to stop us.
${nixops} modify "${nixops_subopts[@]}" "clusters/${CLUSTER_TYPE}"/*.nix
${nixops} deploy "${nixops_subopts_deploy[@]}" "$@";;
"" | "" ) # Doc:
;;
"" | building-derivations ) # Doc:
;;
"" | "" ) # Doc:
;;
update-pin | update | pin | update-a-goguen-package-pin ) # Doc:
"${gacroot}/goguen/update-pin.sh" "$@";;
build | b | build-goguen-package ) # Doc:
pkg=$1; shift
${nix_build} "${nix_opts[@]}" -A "${pkg}" './default.nix' "$@";;
build-ala-hydra | build-goguen-package-like-hydra-does ) # Doc:
#pkg=$1
log "building Hydra"
hydra_drv="$( nix-instantiate -E '(import ./. {}).pkgs.hydra')"
hydra=$(${nix_build} "${nix_opts[@]}" "${hydra_drv}")
log "using Hydra to evaluate goguen/release.nix"
"${hydra}/bin/hydra-eval-jobs" -I "${nixpkgs_out}" -I . -I https://github.com/input-output-hk/iohk-nix/archive/25225e9e23d8fe73663c1e958d41d481b0a4e0f0.tar.gz goguen/release.nix "$@";;
drv | goguen-derivation ) # Doc:
pkg=$1
${nix_inst} "${nix_opts[@]}" -A "${pkg}" goguen/release.nix;;
drv-show | prettyprint-goguen-derivation ) # Doc:
pkg=$1
${nix_inst} "${nix_opts[@]}" -A "${pkg}" goguen/release.nix | xargs "${nix}" show-derivation;;
"" | "" ) # Doc:
;;
"" | basic-node-ssh ) # Doc:
;;
"" | "" ) # Doc:
;;
ssh | ssh-to-node ) # Doc:
machine="${1:-${DEFAULT_NODE}}";
set +u; test -n "$1" && shift; set -u
${nixops} ssh "${nixops_subopts[@]}" "${machine}" "$@";;
ssh-all | parallel-ssh-on-all-nodes ) # Doc:
${nixops} ssh-for-each "${nixops_subopts[@]}" --parallel --include "${ALL_NODES}" -- "$@";;
"" | "" ) # Doc:
;;
"" | systemd-service-control ) # Doc:
;;
"" | "" ) # Doc:
;;
stop | stop-all-node-services ) # Doc:
on=${1:+--include $*}
log "stopping node services on: ${on}"
$self ssh-all "${on}" -- systemctl stop "${NODE_SERVICE}";;
start | start-all-node-services ) # Doc:
on=${1:+--include $*}
log "starting node services on: ${on}"
$self ssh-all "${on}" -- systemctl start "${NODE_SERVICE}"; log "new start date: $($self since "${DEFAULT_NODE}")";;
restart | restart-all-node-services ) # Doc:
on=${1:+--include $*}
$self ssh-all "${on}" -- systemctl restart "${NODE_SERVICE}"; log "new start date: $($self since "${DEFAULT_NODE}")";;
statuses | ss | all-node-service-statuses ) # Doc:
on=${1:+--include $*}
$self ssh-all "${on}" -- systemctl status "${NODE_SERVICE}";;
"" | "" ) # Doc:
;;
"" | journald-logs-and-grepping ) # Doc:
;;
"" | "" ) # Doc:
;;
since | node-service-start-date-on ) # Doc:
node=${1:-${DEFAULT_NODE}}
${nixops} ssh "${nixops_subopts[@]}" "${node}" -- systemctl show "${NODE_SERVICE}" --value --property WatchdogTimestamp 2>&1 | cut -d' ' -f3;;
journal-on | jo | node-service-journal-on-node-since-start ) # Doc:
node=${1:-${DEFAULT_NODE}}
set +u; since=${2:-$($self since "${node}")}; set -u
if test -z "${since}"; then since='3 hours ago'; fi
${nixops} ssh "${nixops_subopts[@]}" "${node}" -- journalctl -u "${NODE_SERVICE}" --since "'${since}'" 2>&1;;
pretty-journal-on | pj | node-service-journal-on-node-since-its-start-prettified-version ) # Doc:
node=${1:-${DEFAULT_NODE}}
$self node-service-journal-on-node-since-start "${node}" | grep --fixed-strings --invert-match ',"state": "ok","service": "' | cut -c92- | less;;
journal | jall | j | all-node-service-journals ) # Doc:
start_sample_node=${DEFAULT_NODE}
since=${1:-$($self since "${start_sample_node}")}
if test -z "${since}"; then since='3 hours ago'; fi
log "journal since: ${since}"
$self ssh-all -- journalctl -u "${NODE_SERVICE}" --since "'${since}'" 2>&1;;
system-journal | sysj | system-journal-on-node ) # Doc:
node=${1:-${DEFAULT_NODE}}
$self ssh "${node}" -- journalctl -xe 2>&1;;
follow | f | follow-node-service-journal-on ) # Doc:
node=${1:-${DEFAULT_NODE}}
$self ssh "${node}" -- journalctl -fu "${NODE_SERVICE}" 2>&1;;
follow-all | fa | follow-all-node-service-journals ) # Doc:
$self ssh-all -- journalctl -fu "${NODE_SERVICE}" "$@" 2>&1;;
grep-on | gro | grep-node-service-journals-since-start ) # Doc:
node=$1; shift
log "node: ${node}"
log "filter: ag $*"
ag=$( nix-build --no-out-link -E '(import ./. {}).pkgs.ag' | xargs echo)/bin/ag
$self journal-on "${node}" 2>&1 | ${ag} "$@";;
grep-since | gras | grep-all-node-service-journals-since-timestamp ) # Doc:
since=$1; shift
log "journal since: ${since}"
log "filter: ag $*"
ag=$( nix-build --no-out-link -E '(import ./. {}).pkgs.ag' | xargs echo)/bin/ag
$self journal "${since}" 2>&1 | ${ag} "$@";;
grep | g | grep-all-node-service-journals-since-last-restart ) # Doc:
start_sample_node=${DEFAULT_NODE}
since=$($self since "${start_sample_node}")
if test -z "${since}"; then since='3 hours ago'; fi
$self grep-since "${since}" "$@";;
watch-for | w | watch-all-node-service-journals-for-regex-occurence ) # Doc:
ag=$( nix-build --no-out-link -E '(import ./. {}).pkgs.ag' | xargs echo)/bin/ag
$self follow-all 2>&1 | ${ag} "$@";;
"" | "" ) # Doc:
;;
"" | service-logs-interpretation ) # Doc:
;;
"" | "" ) # Doc:
;;
blocks | bs | node-recent-block-numbers ) # Doc:
$self grep-since "'30 seconds ago'" 'Best Block: ' | cut -d' ' -f5,14-;;
roles | rs | node-roles-since-start ) # Doc:
$self grep 'role changed|LEADER';;
exceptions | ex | node-exceptions-since-start ) # Doc:
$self grep -i exception | ag -v 'RiemannBatchClient|exception.counter';;
watch-blocks | wb | watch-node-current-block-number-stream ) # Doc:
$self watch-for 'Best Block: ' | cut -d' ' -f5,14-;;
watch-roles | wr | watch-node-current-role-stream ) # Doc:
$self watch-for 'role changed|LEADER';;
watch-roles-pretty | wrp | watch-node-current-role-stream-prettified ) # Doc:
$self watch-roles | sed 's/^\([^\.]*\)\..*oldRole","value": "\([A-Z]*\)".*newRole","value": "\([A-Z]*\).*$/\1: \2 -> \3/';;
watch-exceptions | we | watch-node-current-exception-stream ) # Doc:
$self watch-for -i exception | ag -v 'RiemannBatchClient|exception.counter';;
troubleshoot | tro | troubleshoot-node-logs-for-known-problems ) # Doc:
node=${1:-${DEFAULT_NODE}}
($self grep-node-service-journals-since-start "${node}" 'Genesis data present in the database does not match genesis block from file.' && echo 'PROBLEM FOUND!') || true
($self grep-node-service-journals-since-start "${node}" 'candidate is not known to the local member' && echo 'PROBLEM FOUND!') || true
;;
"" | "" ) # Doc:
;;
"" | DANGER:-destructive-operations ) # Doc:
;;
"" | "" ) # Doc:
;;
drop-dbs | remove-all-blockchain-data-on-all-nodes ) # Doc:
log "about to nuke blockchain DB and leadership consensus DB, globally.."
read -rei "No!" -p "Really? Type 'yes' to confirm: " disaster
test "${disaster}" == "yes" || { log "disaster averted"; exit 1; }
log "disaster considered authorized"
$self stop
log "nuking.."
$self ssh-all -- rm -rf "${NODE_DB_PATH}"
$self start;;
"" | "" ) # Doc:
;;
"" | blockchain-level-interaction ) # Doc:
;;
"" | "" ) # Doc:
;;
get-funds | faucet | money-please | withdraw-funds-from-faucet ) # Doc:
to_addr=${1:-805932097ab26cc1061424ddcae9f4cd54a09c7b}
curl -X POST "http://faucet-a.${CLUSTER_NAME}.dev-mantis.iohkdev.io:8099/faucet?address=0x${to_addr}";;
"" | "" ) # Doc:
;;
help | show-this-help-message ) # Doc: Show this help message
usage; exit 1;;
* ) usage; exit 1;;
esac