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86 lines
2.3 KiB
Bash
86 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2021-05-16 10:15:00 +0100 (Sun, 16 May 2021)
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090,SC1091
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Waits for Selenium Grid Hub status to be ready
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If Selenium hub url isn't given, can construct it from
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\$SELENIUM_HUB_URL
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or
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http://\$SELENIUM_HUB_HOST:\$SELENIUM_HUB_PORT
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If \$SELENIUM_HUB_SSL is set, or \$SELENIUM_HUB_PORT is 443, will enable https
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Max secs may use environment variable \$MAX_SECS, or defaults to 300
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="<selenium_grid_hub_url> [<max_secs>]"
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help_usage "$@"
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#min_args 1 "$@"
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if [ $# -gt 0 ]; then
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hub_url="$1"
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else
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if [ -n "${SELENIUM_HUB_URL:-}" ]; then
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hub_url="$SELENIUM_HUB_URL"
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elif [ -n "${SELENIUM_HUB_HOST:-}" ]; then
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hub_url="http://$SELENIUM_HUB_HOST:${SELENIUM_HUB_PORT:-4444}"
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if [ -n "${SELENIUM_HUB_SSL:-}" ] ||
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[ "${SELENIUM_HUB_PORT:-}" = 443 ]; then
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hub_url="https://${hub_url#http://}"
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fi
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else
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usage "selenium hub url not given and \$SELENIUM_HUB_URL / \$SELENIUM_HUB_HOST not set"
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fi
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fi
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max_secs="${2:-${MAX_SECS:-300}}"
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hub_url="${hub_url%%/}"
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hub_url="${hub_url%/wd/hub}"
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if [ -n "$max_secs" ] &&
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[[ "$max_secs" =~ ^[[:digit:]]+$ ]]; then
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timestamp "setting timeout to $max_secs secs"
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TMOUT="$max_secs"
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# shellcheck disable=SC2064
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trap_cmd "echo 'Timed out waiting for Selenium Grid Hub to come up after $max_secs secs' >&2; exit 1"
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fi
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while :; do
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status="$(curl -sSL "$hub_url/wd/hub/status")"
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ready="$(jq -r '.value.ready' <<< "$status" || die "FAILED to parse Selenium Hub response: $status" >&2)"
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if [[ "$ready" =~ true ]]; then
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timestamp "Selenium Grid Hub is up"
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break
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fi
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timestamp 'Waiting for Selenium Grid Hub to be ready'
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sleep 1
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done
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untrap
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